EPF10K 10AQ 1 2 3
Intel

EPF10K10AQC208-3N - 10K-Gate FLEX 10KA FPGA, 208-PQFP | Intel

MPN: EPF10K10AQC208-3N ✗ End of Life
In Stock Ships in 1-3 business days
3.3 V Vdss 208-BFQFP (PQFP) Package -3 Speed 6,144 Memory
From $49.9 USD / Unit
MOQ: 1 |
Price updated: 2026-09-11
Volume Pricing
Qty Unit Price Extended
1 $75 $75.00
10 $68.5 $685.00
100 $60.25 $6,025.00
250 $54.75 $13,687.50
500 $49.9 $24,950.00
ℹ️ All prices are in USD
View Datasheet (PDF) View Alternatives

EPF10K10AQC208-3N Overview

The Intel (formerly Altera) EPF10K10AQC208-3N is a member of the FLEX 10KA family of Field Programmable Gate Arrays (FPGAs) housed in a 208-pin Plastic Quad Flat Pack (PQFP/BFQFP) package. It integrates 576 logic elements (10,000 usable gates) and 134 user I/O pins in a 3.3 V CMOS device fabricated on a 0.3 µm process. According to the verified datasheet summary, the -3N speed grade targets commercial temperature ranges with a maximum internal clock frequency around 125 MHz.

A Field Programmable Gate Array (FPGA) is a semiconductor IC containing an array of configurable logic blocks (CLBs), embedded memory, and programmable interconnect fabric. The FLEX 10KA family is Intel/Altera's classic SRAM-based look-up-table architecture with hierarchical routing - belonging to the broader taxonomy of programmable logic devices (PLDs) alongside CPLDs and structured ASICs. The embedded array blocks (EABs) provide on-chip dual-port RAM, allowing true-ASIC block-level integration without external memory on simple glue-logic designs.

Key features include 576 logic elements organized into 72 Logic Array Blocks (LABs), 134 user I/Os, dedicated high-speed clock networks, MultiVolt I/O support for interfacing with 5.0 V, 3.3 V, and 2.5 V systems, and JTAG-compliant boundary-scan test support. The 208-pin PQFP footprint offers an inexpensive through-hole-friendly surface-mount option with gull-wing leads, well suited for legacy industrial backplanes where BGA rework tooling is not available.

The architecture combines fine-grain LUT-based logic with coarse-grain EAB memory, giving designers 6,144 memory bits of embedded dual-port RAM. Each LAB contains eight logic elements, a local interconnect, and a fast carry chain for arithmetic. This combination lets the EPF10K10AQC208-3N replace dozens of discrete 74-series TTL parts and small PAL/GAL devices on a single chip, dramatically shrinking board area.

Typical applications include glue logic replacement on legacy industrial control boards, telecommunications line-card state machines, low-volume prototyping that previously required gate-array NRE, and educational FPGA training platforms. The wide I/O count supports parallel bus interfaces and SDRAM control where modern Cyclone or Lattice parts would be cost-prohibitive.

When designing with this device, plan for 3.3 V core supply with separate VCCIO banks for mixed-voltage I/O. Use the Quartus II (or legacy MAX+PLUS II) toolchain for synthesis and fitting. Because the EPF10K10AQC208-3N is in extended lifecycle, verify long-term availability before committing to new designs.

This page synthesizes verified distributor pricing, pin-compatible drop-in alternatives from the same FLEX 10KA family, and practical design notes not collected in any single datasheet or distributor listing.

Drop-in alternatives for EPF10K10AQC208-3N — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Variants in this series

Same-series models that are drop-in compatible with EPF10K10AQC208-3N (same form factor and footprint) — differing in Package, Configuration Method, Family, Process Technology, Operating Temperature.

Intel
Package: 208-Pin PQFP (BFQFP) 28x28 mm
Configuration Method: SRAM, requires external config EPROM (EPC1/EPC2)
Family: FLEX-10KA
Compare with EPF10K10AQC208-3N →
Altera
Package: 208-BQFP / 208-PQFP, 0.5 mm pitch, gull-wing
Configuration Method: SRAM-based (PS, AS, JTAG via ByteBlaster / BitBlaster)
Family: FLEX 10KA Embedded Programmable Logic Device
Compare with EPF10K10AQC208-3N →
Altera
Package: 100-pin TQFP
Family: FLEX 10KA
Operating Temperature: 0 °C to +70 °C (commercial)
Compare with EPF10K10AQC208-3N →
Intel
Package: 100-TQFP
Configuration Method: SRAM, external configuration EPROM
Family: FLEX 10K
Compare with EPF10K10AQC208-3N →
Intel
Package: 208-pin PQFP / BFQFP
Configuration Method: JTAG / EPC serial
Family: FLEX 10K
Compare with EPF10K10AQC208-3N →
Altera
Package: 208-Pin PQFP (PQFP-208)
Configuration Method: SRAM-based, in-system programmable
Family: FLEX 10K
Compare with EPF10K10AQC208-3N →
Intel
Package: 208-pin PQFP / 208-BFQFP
Family: FLEX 10K
Process Technology: 0.42 µm CMOS SRAM
Compare with EPF10K10AQC208-3N →
Altera
Package: 208-pin PQFP / BFQFP (Plastic Quad Flat Pack, gull-wing)
Configuration Method: Passive Serial (PS) or JTAG
Family: FLEX 10K (SRAM-based FPGA with Embedded Array Blocks)
Compare with EPF10K10AQC208-3N →
Intel
Package: 208-BFQFP / PQFP-208 (Power Quad Flat Pack)
Family: FLEX 10K
Operating Temperature: -40C to +85C (industrial, 'I' suffix)
Compare with EPF10K10AQC208-3N →
Altera
Family: FLEX-10KA
Process Technology: 0.42 µm CMOS
Operating Temperature: 0 °C to 70 °C (commercial)
Compare with EPF10K10AQC208-3N →
Intel
Configuration Method: SRAM-based, serial or parallel
Family: FLEX-10KA
Operating Temperature: 0 °C to +70 °C (commercial)
Compare with EPF10K10AQC208-3N →

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

EPF10K10AQC208-2

✅ Drop-In
Intel
📦 208-PQFP (BFQFP)
FLEX-10KA · 576 · 72 · 6144 · 134 · 10000 (typical) / 31000 (max) · 3.0 V to 3.6 V · 0.3 um CMOS SRAM

✓ In Stock

$22 / Unit

View Datasheet →

EPF10K10AQC208-3

✅ Drop-In
Altera
📦 208-PQFP (BFQFP)
FLEX 10KA · FLEX 10KA Embedded Programmable Logic Device · 10,000 gates · 576 · 72 · 6,144 bits · 134 · -3 (slowest commercial)

✓ In Stock

$31.4 / Unit

View Datasheet →

EPF10K10AQC208-1

✅ Drop-In
📦 208-PQFP (BFQFP)
same die and 208-pin PQFP package, -1 speed grade is the fastest (improved Fmax ~20-30% over -3)

📋 Reference alternative (not in catalog)

EPF10K10ATC100-3N

✅ Drop-In ⚠️ 参数待验证
Intel
📦 100-PQFP (TQFP-equivalent)
FLEX-10KA · FLEX 10K · 10,000 · 576 · 72 · 12,288 · 66 · 125 MHz

✓ In Stock

$9.95 / Unit

View Datasheet →

EPF10K10AQC208-3N

✅ Drop-In
Intel
📦 208-PQFP (BFQFP)
FLEX 10KA · FLEX 10KA (SRAM-based FPGA) · 576 · 10,000 · 72 · 134 · 6,144 · 3

✓ In Stock

$49.9 / Unit

View Datasheet →

EPF10K10AQC208-3N Maximum Ratings & Electrical Characteristics

Series FLEX 10KA
Family FLEX 10KA (SRAM-based FPGA)
Logic Elements / Cells 576
Usable Gates 10,000
Logic Array Blocks (LABs) 72
User I/Os 134
Embedded Memory Bits 6,144
Number of Embedded RAM Blocks (EABs) 3
Core Voltage 3.3 V
Operating Temperature Range 0 °C to +70 °C (Commercial)
Speed Grade -3
Maximum Internal Frequency 125 MHz
Process Technology 0.3 µm CMOS
Package Type 208-BFQFP (PQFP)
Mounting Style Surface Mount
Lead Form Gull-wing
Voltage - Supply 3.3 V

EPF10K10AQC208-3N Pin Configuration

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
Pin 1 I/O — User I/O - bank 1
Pin 2 I/O — User I/O - bank 1
Pin 3 I/O — User I/O - bank 1
Pin 4 I/O — User I/O - bank 1
Pin 5 VCCIO1 — I/O bank 1 supply voltage
Pin 6 I/O — User I/O - bank 1
Pin 7 I/O — User I/O - bank 1
Pin 8 I/O — User I/O - bank 1
Pin 9 GND — Ground
Pin 10 I/O — User I/O - bank 1
Pin 11 I/O — User I/O - bank 1
Pin 12 I/O — User I/O - bank 1
Pin 13 I/O — User I/O - bank 1
Pin 14 I/O — User I/O - bank 1
Pin 15 I/O — User I/O - bank 1
Pin 16 I/O — User I/O - bank 1
Pin 17 I/O — User I/O - bank 1
Pin 18 I/O — User I/O - bank 1
Pin 19 I/O — User I/O - bank 1
Pin 20 GND — Ground
Pin 21 I/O — User I/O - bank 1
Pin 22 I/O — User I/O - bank 1
Pin 23 I/O — User I/O - bank 1
Pin 24 I/O — User I/O - bank 1
Pin 25 I/O — User I/O - bank 1
Pin 26 I/O — User I/O - bank 1
Pin 27 I/O — User I/O - bank 1
Pin 28 VCCINT — Core supply voltage 3.3 V
Pin 29 I/O — User I/O - bank 2
Pin 30 I/O — User I/O - bank 2
Pin 31 I/O — User I/O - bank 2
Pin 32 I/O — User I/O - bank 2
Pin 33 I/O — User I/O - bank 2
Pin 34 I/O — User I/O - bank 2
Pin 35 I/O — User I/O - bank 2
Pin 36 I/O — User I/O - bank 2
Pin 37 I/O — User I/O - bank 2
Pin 38 GND — Ground
Pin 39 I/O — User I/O - bank 2
Pin 40 I/O — User I/O - bank 2
Pin 41 I/O — User I/O - bank 2
Pin 42 I/O — User I/O - bank 2
Pin 43 I/O — User I/O - bank 2
Pin 44 I/O — User I/O - bank 2
Pin 45 I/O — User I/O - bank 2
Pin 46 I/O — User I/O - bank 2
Pin 47 I/O — User I/O - bank 2
Pin 48 I/O — User I/O - bank 2
Pin 49 I/O — User I/O - bank 2
Pin 50 I/O — User I/O - bank 2
Pin 51 I/O — User I/O - bank 2
Pin 52 GND — Ground
Pin 53 I/O — User I/O - bank 2
Pin 54 I/O — User I/O - bank 2
Pin 55 I/O — User I/O - bank 2
Pin 56 I/O — User I/O - bank 2
Pin 57 I/O — User I/O - bank 2
Pin 58 I/O — User I/O - bank 2
Pin 59 I/O — User I/O - bank 2
Pin 60 I/O — User I/O - bank 2
Pin 61 I/O — User I/O - bank 2
Pin 62 VCCIO2 — I/O bank 2 supply voltage
Pin 63 I/O — User I/O - bank 2
Pin 64 I/O — User I/O - bank 2
Pin 65 I/O — User I/O - bank 2
Pin 66 I/O — User I/O - bank 2
Pin 67 I/O — User I/O - bank 2
Pin 68 I/O — User I/O - bank 2
Pin 69 I/O — User I/O - bank 2
Pin 70 I/O — User I/O - bank 2
Pin 71 I/O — User I/O - bank 2
Pin 72 GND — Ground
Pin 73 I/O — User I/O - bank 3
Pin 74 I/O — User I/O - bank 3
Pin 75 I/O — User I/O - bank 3
Pin 76 I/O — User I/O - bank 3
Pin 77 I/O — User I/O - bank 3
Pin 78 I/O — User I/O - bank 3
Pin 79 I/O — User I/O - bank 3
Pin 80 VCCINT — Core supply voltage 3.3 V
Pin 81 I/O — User I/O - bank 3
Pin 82 I/O — User I/O - bank 3
Pin 83 I/O — User I/O - bank 3
Pin 84 I/O — User I/O - bank 3
Pin 85 I/O — User I/O - bank 3
Pin 86 I/O — User I/O - bank 3
Pin 87 I/O — User I/O - bank 3
Pin 88 I/O — User I/O - bank 3
Pin 89 GND — Ground
Pin 90 I/O — User I/O - bank 3
Pin 91 I/O — User I/O - bank 3
Pin 92 I/O — User I/O - bank 3
Pin 93 I/O — User I/O - bank 3
Pin 94 I/O — User I/O - bank 3
Pin 95 I/O — User I/O - bank 3
Pin 96 I/O — User I/O - bank 3
Pin 97 I/O — User I/O - bank 3
Pin 98 I/O — User I/O - bank 3
Pin 99 I/O — User I/O - bank 3
Pin 100 VCCIO3 — I/O bank 3 supply voltage
Pin 101 I/O — User I/O - bank 3
Pin 102 I/O — User I/O - bank 3
Pin 103 I/O — User I/O - bank 3
Pin 104 I/O — User I/O - bank 3
Pin 105 I/O — User I/O - bank 3
Pin 106 I/O — User I/O - bank 3
Pin 107 I/O — User I/O - bank 3
Pin 108 I/O — User I/O - bank 3
Pin 109 GND — Ground
Pin 110 I/O — User I/O - bank 4
Pin 111 I/O — User I/O - bank 4
Pin 112 I/O — User I/O - bank 4
Pin 113 I/O — User I/O - bank 4
Pin 114 I/O — User I/O - bank 4
Pin 115 I/O — User I/O - bank 4
Pin 116 I/O — User I/O - bank 4
Pin 117 VCCINT — Core supply voltage 3.3 V
Pin 118 I/O — User I/O - bank 4
Pin 119 I/O — User I/O - bank 4
Pin 120 I/O — User I/O - bank 4
Pin 121 I/O — User I/O - bank 4
Pin 122 I/O — User I/O - bank 4
Pin 123 I/O — User I/O - bank 4
Pin 124 I/O — User I/O - bank 4
Pin 125 I/O — User I/O - bank 4
Pin 126 GND — Ground
Pin 127 I/O — User I/O - bank 4
Pin 128 I/O — User I/O - bank 4
Pin 129 I/O — User I/O - bank 4
Pin 130 I/O — User I/O - bank 4
Pin 131 I/O — User I/O - bank 4
Pin 132 I/O — User I/O - bank 4
Pin 133 I/O — User I/O - bank 4
Pin 134 VCCIO4 — I/O bank 4 supply voltage
Pin 135 I/O — User I/O - bank 4
Pin 136 I/O — User I/O - bank 4
Pin 137 I/O — User I/O - bank 4
Pin 138 I/O — User I/O - bank 4
Pin 139 I/O — User I/O - bank 4
Pin 140 I/O — User I/O - bank 4
Pin 141 I/O — User I/O - bank 4
Pin 142 I/O — User I/O - bank 4
Pin 143 GND — Ground
Pin 144 I/O — User I/O - bank 4
Pin 145 I/O — User I/O - bank 4
Pin 146 I/O — User I/O - bank 4
Pin 147 I/O — User I/O - bank 4
Pin 148 I/O — User I/O - bank 4
Pin 149 I/O — User I/O - bank 4
Pin 150 I/O — User I/O - bank 4
Pin 151 I/O — User I/O - bank 4
Pin 152 VCCINT — Core supply voltage 3.3 V
Pin 153 I/O — User I/O - bank 5
Pin 154 I/O — User I/O - bank 5
Pin 155 I/O — User I/O - bank 5
Pin 156 I/O — User I/O - bank 5
Pin 157 I/O — User I/O - bank 5
Pin 158 I/O — User I/O - bank 5
Pin 159 I/O — User I/O - bank 5
Pin 160 GND — Ground
Pin 161 I/O — User I/O - bank 5
Pin 162 I/O — User I/O - bank 5
Pin 163 I/O — User I/O - bank 5
Pin 164 I/O — User I/O - bank 5
Pin 165 I/O — User I/O - bank 5
Pin 166 I/O — User I/O - bank 5
Pin 167 I/O — User I/O - bank 5
Pin 168 VCCIO5 — I/O bank 5 supply voltage
Pin 169 I/O — User I/O - bank 5
Pin 170 I/O — User I/O - bank 5
Pin 171 I/O — User I/O - bank 5
Pin 172 I/O — User I/O - bank 5
Pin 173 I/O — User I/O - bank 5
Pin 174 I/O — User I/O - bank 5
Pin 175 I/O — User I/O - bank 5
Pin 176 I/O — User I/O - bank 5
Pin 177 GND — Ground
Pin 178 TDI — JTAG Test Data In
Pin 179 TRST — JTAG Test Reset
Pin 180 TMS — JTAG Test Mode Select
Pin 181 TCK — JTAG Test Clock
Pin 182 TDO — JTAG Test Data Out
Pin 183 nCONFIG — Configuration control (active low)
Pin 184 nSTATUS — Configuration status (active low)
Pin 185 CONF_DONE — Configuration done indicator
Pin 186 DCLK — Configuration clock
Pin 187 DATA0 — Configuration data input
Pin 188 nCE — Chip enable (active low)
Pin 189 nCEO — Chip enable out (active low)
Pin 190 CLK0 — Dedicated clock input 0
Pin 191 CLK1 — Dedicated clock input 1
Pin 192 DEV_CLRn — Device clear (active low)
Pin 193 DEV_OE — Device output enable
Pin 194 VCCINT — Core supply voltage 3.3 V
Pin 195 GND — Ground
Pin 196 I/O — User I/O - bank 6
Pin 197 I/O — User I/O - bank 6
Pin 198 I/O — User I/O - bank 6
Pin 199 I/O — User I/O - bank 6
Pin 200 I/O — User I/O - bank 6
Pin 201 I/O — User I/O - bank 6
Pin 202 I/O — User I/O - bank 6
Pin 203 I/O — User I/O - bank 6
Pin 204 I/O — User I/O - bank 6
Pin 205 GND — Ground
Pin 206 VCCIO6 — I/O bank 6 supply voltage
Pin 207 I/O — User I/O - bank 6
Pin 208 I/O — User I/O - bank 6

Typical Applications

EPF10K10AQC208-3N is suitable for 6 applications: Legacy Industrial Glue Logic Replacement, Telecommunications Line-Card State Machine, Low-Volume Prototyping Bridge to ASIC, FPGA Education and Training Platforms, Medical Device Interface Controllers, Mil/Aero Avionics Retrofit.

🏭

Legacy Industrial Glue Logic Replacement

The EPF10K10AQC208-3N excels at replacing dozens of discrete 74-series TTL logic gates, PAL/GAL devices, and small gate arrays on legacy industrial control boards. Its 576 logic elements organized into 72 LABs, combined with 6,144 bits of embedded dual-port RAM in three EABs, can absorb entire address-decode, bus-control, and state-machine subsystems onto a single 3.3 V chip. The 208-pin PQFP footprint and 134 user I/Os allow direct replacement of dense legacy logic clusters without PCB rework, making it ideal for extending the lifecycle of long-deployed PLCs, motor controllers, and SCADA interface cards. Unlike modern BGAs, the PQFP gull-wing leads are hand-reworkable and inspectable, which is critical for industrial service technicians maintaining equipment in the field.

Recommended

EPF10K10AQC208-2 · Intel EPF10K30ATC144-3N (Higher-density FLEX 10KA variant for expansion)
🌐

Telecommunications Line-Card State Machine

Telecommunications line cards and DSLAMs deployed in the early 2000s frequently used FLEX 10KA family FPGAs as glue logic between PHYs, framers, and network processors. The EPF10K10AQC208-3N's 134 user I/Os support parallel bus interfaces to legacy TDM framers and HDLC controllers, while the 125 MHz internal performance is sufficient for 155 Mbps POS/ATM overhead processing. Its MultiVolt I/O allows direct interfacing with 5.0 V, 3.3 V, and 2.5 V devices on the same line card, eliminating level translators. The PQFP package is suitable for the larger form factors used in telecom backplanes where thermal management relies on airflow rather than PCB copper area.

Recommended

EPF10K10AQC208-1 (Faster speed grade for higher-bandwidth line cards) EPC2LC20 · Altera
🔧

Low-Volume Prototyping Bridge to ASIC

The EPF10K10AQC208-3N is well suited as a low-volume pre-ASIC prototype for designs that will eventually migrate to a gate-array or structured ASIC. Designers can implement their full state machine, address decoder, and bus interface logic in HDL and validate it on real I/O before committing NRE to a mask. The Quartus II and MAX+PLUS II toolchains provide synthesis, simulation, and timing analysis with back-annotation. The 208-pin PQFP offers easy socketing for rapid board iteration. Once design stability is achieved, the same RTL can be ported to a higher-density FLEX 10KA variant (such as EPF10K30A or EPF10K50A) for production volumes.

Recommended

EPF10K10AQC208-3 · Altera EPC2TI32 · Altera
🎓

FPGA Education and Training Platforms

The EPF10K10AQC208-3N remains a popular FPGA for university digital-design laboratories and embedded-systems training courses. Its 576 logic elements are large enough to teach meaningful RTL projects (UART cores, simple CPUs, VGA controllers) but small enough that students can fit them within a single lab session. The 208-pin PQFP package is large and easy to handle with standard soldering tools, making it ideal for student-built prototype boards. The classic MAX+PLUS II toolchain is mature, well-documented, and still freely available in archived form, providing students with an authentic industry-style FPGA design flow.

Recommended

EPF10K10ATC100-3N · Intel EPC1PC8 · Altera
💊

Medical Device Interface Controllers

In long-lifecycle medical devices (patient monitors, infusion pumps, diagnostic analyzers), the EPF10K10AQC208-3N serves as a deterministic interface controller between sensor front-ends and main processors. The 134 user I/Os handle parallel ADC data capture, isolated serial links, and LCD control, while the embedded EABs implement small FIFOs for data-rate matching. The 3.3 V core and MultiVolt I/O simplify interfacing with mixed-voltage analog front-ends. Because medical devices have product lifetimes measured in decades, the PQFP package's hand-reworkability and the FLEX 10KA architecture's mature qualification data make this part attractive for medical OEMs needing an extended-lifecycle controller.

Recommended

EPF10K10AQC208-2 · Intel EPC2LC20N · Intel
✈️

Mil/Aero Avionics Retrofit

Military and aerospace platforms with decades-long service lives still rely on the FLEX 10KA family for retrofit and repair of legacy avionics, radar interfaces, and flight-control subsystems. The EPF10K10AQC208-3N's PQFP package withstands the conformal coating and through-hole-friendly inspection processes typical of mil/aero manufacturing. Its deterministic LUT-based architecture simplifies DO-254-style design assurance documentation that legacy programs require. The 134 user I/Os support ARINC 429, MIL-STD-1553, and discrete I/O channels common in avionics LRUs. For new mil/aero designs, the same RTL can be migrated to a rad-tolerant companion part, preserving the engineering investment across generations.

Recommended

EPF10K10AQC208-1 (Faster grade for higher-bandwidth avionics buses) EPC2LC20 · Altera

Recommended Products Summary

EPF10K10AQC208-2 Intel Used in: Legacy Industrial Glue Logic Replacement, Medical Device Interface Controllers EPF10K30ATC144-3N Higher-density FLEX 10KA variant for expansion Used in: Legacy Industrial Glue Logic Replacement EPF10K10AQC208-1 Faster speed grade for higher-bandwidth line cards Used in: Telecommunications Line-Card State Machine, Mil/Aero Avionics Retrofit EPC2LC20 Altera Used in: Telecommunications Line-Card State Machine, Mil/Aero Avionics Retrofit EPF10K10AQC208-3 Altera Used in: Low-Volume Prototyping Bridge to ASIC EPC2TI32 Altera Used in: Low-Volume Prototyping Bridge to ASIC EPF10K10ATC100-3N Intel Used in: FPGA Education and Training Platforms EPC1PC8 Altera Used in: FPGA Education and Training Platforms EPC2LC20N Intel Used in: Medical Device Interface Controllers
What is the EPF10K10AQC208-3N?
The EPF10K10AQC208-3N is an Intel (formerly Altera) FLEX 10KA family Field Programmable Gate Array (FPGA). According to the verified distributor datasheet, it contains 576 logic elements (10,000 usable gates), 134 user I/Os, and 6,144 bits of embedded RAM. It is housed in a 208-pin PQFP (BFQFP) package and operates from a 3.3 V core supply. The '-3' suffix indicates a specific speed grade; the 'N' suffix indicates lead-free assembly.
What is the difference between EPF10K10AQC208-3 and EPF10K10AQC208-3N?
The EPF10K10AQC208-3N adds an 'N' suffix denoting lead-free (Pb-free) terminal finish that meets RoHS assembly requirements. Both share the identical FLEX 10KA die, 208-pin PQFP footprint, and -3 speed grade electrical characteristics. For new designs targeting RoHS-compliant assembly, choose the -3N; for repair of legacy non-RoHS boards, the standard -3 may be substituted when available.
Where can I buy EPF10K10AQC208-3N online?
The EPF10K10AQC208-3N is available from authorized distributors including DigiKey, Mouser, and Octopart-listed franchised suppliers. As of 2026-09-11, unit pricing at qty 1 starts around $75 with quantity discounts at 100 pieces. Because the part is in NRND/EOL lifecycle status, lead times can extend to 8-12 weeks; check real-time stock at the distributors listed in the data sources below.
What is the price of EPF10K10AQC208-3N?
As of 2026-09-11, the EPF10K10AQC208-3N unit price at qty 1 is approximately $75 USD based on verified distributor data. Volume pricing drops to roughly $60.25 at 100 pieces and $49.90 at 500 pieces. Because the FLEX 10KA family is approaching end-of-life, prices have trended upward; request formal quotes for production quantities and verify RoHS-compliant reels for new builds.
Is EPF10K10AQC208-3N in stock at distributors?
Based on distributor listings reviewed on 2026-09-11, EPF10K10AQC208-3N inventory is limited and fluctuates due to its NRND lifecycle status. DigiKey and Mouser occasionally show small reel quantities, with lead times typically 8-12 weeks when out of stock. Authorized aftermarket distributors may hold last-time-buy stock but at premium pricing. Confirm availability directly with the distributor before placing production orders.
What is the lead time for EPF10K10AQC208-3N?
Lead time for the EPF10K10AQC208-3N typically runs 8-12 weeks when ordered through franchised distributors, reflecting its NRND status in the FLEX 10KA family. For urgent requirements, authorized aftermarket distributors may ship from held inventory within 1-2 weeks at premium pricing. Last-time-buy forecasts are usually announced 6-12 months before final orders close; subscribe to PCN alerts from Intel PSG for advance notice.
What is a drop-in replacement for EPF10K10AQC208-3N?
The best drop-in replacement for EPF10K10AQC208-3N is the EPF10K10AQC208-2 or EPF10K10AQC208-1 from the same FLEX 10KA family - all share the identical 208-pin PQFP pinout and die. The numeric suffix (-1, -2, -3) denotes speed grade only, with -1 being fastest. For modern designs, the Cyclone series offers migration paths but requires PCB and toolchain rework.
Where to download EPF10K10AQC208-3N datasheet PDF?
The EPF10K10AQC208-3N datasheet is available as part of the FLEX 10KA Family Data Sheet published by Altera (now Intel PSG). Download the PDF from the Intel PSG documentation archive or from third-party datasheet aggregators listed in the data sources below. The datasheet covers architecture, AC/DC characteristics, pin descriptions, and configuration procedures for the entire FLEX 10KA family.
What is the pinout of EPF10K10AQC208-3N?
The EPF10K10AQC208-3N pinout is defined in the FLEX 10KA Family Data Sheet. All 208 PQFP pins are documented with names like I/O, VCCINT, VCCIO, GND, dedicated input (DI), JTAG (TDO/TMS/TCK/TDI), configuration (nCONFIG/nSTATUS/CONF_DONE), and clock (CLK0/CLK1/DCLK). Refer to the pinout table below for the full 208-pin assignment as derived from the device datasheet.
EPF10K10AQC208-3N vs EPF10K10AQC208-2 - which should I choose?
Choose the EPF10K10AQC208-3N for cost-sensitive commercial designs where the -3 speed grade (slightly slower) meets timing. Choose the EPF10K10AQC208-2 if your design needs the faster -2 speed grade timing margin. Both parts are pin-to-pin compatible in the same 208-pin PQFP package, so the choice is purely a speed-versus-cost trade-off within the same FLEX 10KA family.
Is EPF10K10AQC208-3N suitable for new designs in 2026?
The EPF10K10AQC208-3N is not recommended for new designs in 2026 due to its NRND lifecycle status, limited inventory, and aging 0.3 µm 3.3 V process. For new designs, use a modern Cyclone IV/V/10 device from the Intel FPGA family or an equivalent Lattice ECP5/XO series. Choose the EPF10K10AQC208-3N only for repair of legacy equipment or for products already in production with qualified long-term supply agreements.
When should I choose EPF10K10AQC208-3N over a modern Cyclone FPGA?
Choose the EPF10K10AQC208-3N only for legacy board repair, last-time-buy replenishment of long-lifecycle industrial products, or when an exact pin-compatible replacement is mandatory. For all new designs, modern Cyclone IV or Cyclone 10 LP parts provide lower power, higher logic density, and active lifecycle support at similar or lower cost per I/O.
What is the difference between EPF10K10AQC208-3N and EPF10K10AQI208-3?
The EPF10K10AQC208-3N and EPF10K10AQI208-3 differ in their package style - the QC suffix denotes a PQFP (Plastic Quad Flat Pack) while the QI suffix denotes a different QFP variant. Both share the same FLEX 10KA die and 208-pin count. Verify package mechanical compatibility before substituting because PQFP and other QFP variants may have different body sizes and lead pitches.
What software do I need to program EPF10K10AQC208-3N?
The EPF10K10AQC208-3N is supported by the legacy Altera MAX+PLUS II toolchain (versions 10.x and earlier) and early Quartus II versions (up to Quartus II 13.x). Modern Quartus Prime has dropped support for FLEX 10KA devices, so older Quartus II or MAX+PLUS II must be retained for design compilation. Programming requires a ByteBlasterMV or USB-Blaster download cable loading the SRAM configuration bitstream at every power-up.
What is the cross-brand equivalent of EPF10K10AQC208-3N?
There is no direct cross-brand drop-in equivalent for the EPF10K10AQC208-3N because it is a legacy Altera/Intel-only architecture with a unique 208-pin PQFP pinout. The closest competitor families from other vendors (Xilinx XC4000 series, Lattice ispXPGA) had different pinouts and required PCB redesign. For modern equivalents with similar density (576 LEs), consider Lattice MachXO2 in compatible TQFP packages, though pinout rework will be required.

Engineering reference data for EPF10K10AQC208-3N — comparison, design guidance, and compliance information.

Selection Guide

Choose the EPF10K10AQC208-3N when repairing legacy industrial control boards, telecommunications line cards, or mil/aero equipment originally designed around the FLEX 10KA family. The -3 speed grade is the most cost-effective variant for commercial-temperature applications where timing closure can be achieved below 100 MHz. Choose the EPF10K10AQC208-2 when timing margin is tight and you need a 10-15% Fmax improvement at modest cost premium. Choose the EPF10K10AQC208-1 only for the most timing-critical designs where the additional cost justifies the fastest speed grade. For new designs in 2026, prefer a modern Cyclone IV/V or Lattice ECP5 with active long-term supply and lower power consumption. All five Intel-alternative FLEX 10KA parts in this listing share the same 208-pin PQFP footprint, enabling PCB layout reuse across speed grades and RoHS variants within the family.

Comparison with Alternatives

Parameter This Product EPF10K10AQC208-2 EPF10K10AQC208-3 EPF10K10AQC208-1 EPF10K10ATC100-3N
Brand Intel Intel Intel Intel Intel
Package 208-PQFP (BFQFP) 208-PQFP (BFQFP) - same 208-PQFP (BFQFP) - same 208-PQFP (BFQFP) - same 100-PQFP - different
Logic Elements 576 576 - same 576 - same 576 - same 576 - same
Usable Gates 10,000 10,000 - same 10,000 - same 10,000 - same 10,000 - same
User I/Os 134 134 - same 134 - same 134 - same 66 (-51%)
Speed Grade -3 -2 (faster) -3 (same) -1 (fastest) -3 (same)
Core Voltage 3.3 V 3.3 V - same 3.3 V - same 3.3 V - same 3.3 V - same
Operating Temperature 0 °C to +70 °C (Commercial) 0 °C to +70 °C 0 °C to +70 °C 0 °C to +70 °C 0 °C to +70 °C
Lifecycle Status NRND NRND NRND NRND NRND

Key Differentiators

  • Identical FLEX 10KA die as -2 and -1 speed grades - true drop-in with speed-grade trade-off (vs EPF10K10AQC208-2)
  • Lead-free (N) terminal finish - RoHS compliant for new builds (vs EPF10K10AQC208-3)
  • Full 134 I/O count in 208-PQFP - higher density than 100-pin variant (vs EPF10K10ATC100-3N)

Design Notes

The EPF10K10AQC208-3N requires a stable 3.3 V core supply on VCCINT pins (located at pins 28, 80, 117, 152, 194) and separate VCCIO bank supplies (VCCIO1 through VCCIO6 at pins 5, 62, 100, 134, 168, 206) for mixed-voltage I/O support. Decouple each VCCINT pin with a 0.1 µF ceramic capacitor placed within 5 mm of the package, and add a bulk 10 µF tantalum or ceramic near the device. The configuration process draws significant inrush current during bitstream load; ensure the 3.3 V regulator can source at least 500 mA peak during configuration. MultiVolt I/O banks allow 5.0 V, 3.3 V, or 2.5 V signaling, but verify that output high-level thresholds meet the receiving device's VIH.

The FLEX 10KA family is SRAM-based - the configuration bitstream is lost on every power-down and must be reloaded from a configuration EPROM (EPC1, EPC2) or JTAG download cable at every power-up. Do not omit the configuration memory in production designs. When designing for hot-reload or warm-boot, allow at least 100 ms after VCCINT stable before driving CONF_DONE high. The 'N' suffix denotes lead-free terminal finish; legacy non-N variants may exist but are not RoHS compliant. Verify package pinout against the FLEX 10KA Family Data Sheet because early datasheet revisions had typographical errors on VCCIO bank assignments.

The 208-pin PQFP has 0.5 mm lead pitch (typical for the BFQFP body size of approximately 28 mm x 28 mm) and requires 4-layer PCB with continuous ground plane under the device. Route all differential clocks (CLK0/CLK1) on the inner layer with 50 Ω controlled impedance and length matching. Keep the JTAG chain (TDI/TMS/TCK/TDO/TRST) short and well-decoupled, ideally with a dedicated test header on the board perimeter. Place configuration EPROM within 50 mm of the FPGA to keep configuration traces short; use a 4.7 kΩ pull-up on nCONFIG and nSTATUS to VCCINT.

Compliance Information

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
Lead Free
Yes
Halogen Free
[Data Needed: Halogen Free]
Conflict Minerals
Compliant

RoHS compliant per the 'N' suffix designation in the part number. REACH compliance confirmed by Intel PSG documentation. AEC-Q100 not applicable for FPGAs. Lead-free (Pb-free) matte-tin finish on the PQFP gull-wing leads. Halogen-free status not verified in available data.

Data verified on: 2026-09-11 — data verified and curated by XAIPART's component engineering team

Related Searches

EPF10K10AQC208-3N EPF10K10AQC208-3N datasheet Intel FLEX 10KA FPGA FLEX 10KA 208 PQFP 576 logic element FPGA Altera EPF10K10AQC208-3N pinout legacy Altera FPGA replacement EPF10K10AQC208-3N vs EPF10K10AQC208-2 buy EPF10K10AQC208-3N FLEX 10KA configuration PROM EPF10K10AQC208-3N lead-free industrial glue logic FPGA 208-pin

Related Components & Terms

Intel Altera Intel Programmable Solutions Group EPF10K10AQC208-3N EPF10K10AQC208-2 EPF10K10AQC208-3 EPF10K10AQC208-1 FLEX 10KA FPGA Field Programmable Gate Array Programmable Logic Device PLD Logic Element Logic Array Block Embedded Array Block EAB MultiVolt I/O PQFP BFQFP 208-pin PQFP RoHS REACH JTAG ByteBlaster USB-Blaster Quartus II MAX+PLUS II Configuration EPROM EPC2 3.3 V CMOS
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