Intel

EPF10K30RI208-4 - FLEX 10K FPGA 30K Gates 208-RQFP | Intel / Altera

MPN: EPF10K30RI208-4 ✗ End of Life
In Stock Ships in 1-3 business days
5 V Vdss 208-BFQFP / 208-RQFP Exposed Pad Package 125 MHz Speed
From $18.2 USD / Unit
MOQ: 1 |
Price updated: 2026-09-11
Volume Pricing
Qty Unit Price Extended
1 $38.5 $38.50
10 $32.75 $327.50
100 $26.4 $2,640.00
500 $21.85 $10,925.00
1,000 $18.2 $18,200.00
ℹ️ All prices are in USD

EPF10K30RI208-4 Overview

The Intel / Altera (formerly Altera) EPF10K30RI208-4 is a member of the FLEX 10K family of Field Programmable Gate Arrays (FPGAs) delivering 30,000 gates and 1,728 logic cells in a 208-pin RQFP (Power Quad Flat Pack) package with exposed pad. It offers 147 user I/Os, 216 Logic Array Blocks (LABs), and 12,288 bits of embedded memory, fabricated on a 0.42 µm CMOS process and operating from a 5 V supply. The device runs at up to 125 MHz internal frequency and is built around the industry's first embedded programmable logic architecture that integrates a System-on-a-Programmable-Chip (SOPC) block alongside a general-purpose logic array.

What is an FPGA? A Field Programmable Gate Array is a semiconductor IC containing an array of configurable logic blocks (CLBs/LABs), programmable interconnect, and I/O cells that engineers can program to implement custom digital hardware. FPGAs sit above microcontrollers and ASICs in the design complexity hierarchy, offering parallel hardware execution, deterministic timing, and re-programmability for prototyping, low-volume production, and compute acceleration.

Key features of the EPF10K30RI208-4 include 30K equivalent gates, 1,728 logic cells, 12,288-bit embedded array block (EAB) memory, 147 user I/O pins, and a 0.6000 ns propagation delay per logic element. The embedded array blocks can be configured as RAM, ROM, or first-in first-out (FIFO) functions, eliminating the need for external memory in many glue-logic designs. The 5 V I/O standard simplifies interface with legacy TTL/CMOS peripherals.

The FLEX 10K architecture combines fine-grained logic elements (Logic Elements / LEs) with coarse-grained embedded array blocks (EABs). The Look-Up Table (LUT)-based logic elements implement combinational and sequential functions, while the 2,048-bit EABs implement high-density memories or complex arithmetic. The continuous FastTrack interconnect fabric provides predictable timing across all device densities.

Typical applications include telecommunications line cards, industrial control systems, glue logic between microprocessors and peripherals, bus bridging, and prototype ASIC emulation. The combination of moderate gate count and integrated memory makes this device especially suited for state machine control, FIFO buffering, and protocol adaptation tasks.

When designing with this part, mind the 5 V supply rail and TTL-compatible I/O thresholds — the device cannot be directly interfaced to 3.3 V logic without level translation. The exposed pad on the RQFP package must be soldered to the PCB thermal land for reliable operation.

This page synthesizes distributor pricing, FLEX 10K family drop-in alternatives, and design notes that complement the manufacturer datasheet to support sourcing decisions for legacy and MRO applications.

Drop-in alternatives for EPF10K30RI208-4 — 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 EPF10K30RI208-4 (same form factor and footprint) — differing in Package, Operating Temperature, Process Technology, Mounting Type, Total RAM Bits.

Intel
Package: 208-BQFP (PQFP) 28×28 mm
Operating Temperature: 0 °C to +70 °C (Commercial)
Process Technology: 0.30 µm CMOS SRAM
Compare with EPF10K30RI208-4 →
Intel
Package: 208-pin PQFP (Plastic Quad Flat Pack)
Operating Temperature: Commercial (0 °C to +70 °C)
Process Technology: 0.22 µm CMOS
Compare with EPF10K30RI208-4 →
Intel
Package: 208-PQFP (BFQFP)
Operating Temperature: 0 C to 70 C (Commercial)
Process Technology: CMOS
Compare with EPF10K30RI208-4 →
Intel
Package: 208-pin PQFP (BFQFP, plastic)
Operating Temperature: 0 °C to +70 °C (commercial)
Process Technology: 0.22 µm CMOS
Compare with EPF10K30RI208-4 →
Intel
Package: 208-PQFP (BFQFP)
Operating Temperature: -40 °C to +85 °C (Industrial)
Process Technology: 0.42 µm CMOS SRAM
Compare with EPF10K30RI208-4 →
Intel
Package: 208-pin RQFP (Power Quad Flat Pack) with exposed pad
Operating Temperature: 0 °C to +70 °C (commercial)
Mounting Type: Surface Mount
Compare with EPF10K30RI208-4 →
Altera
Package: 208-pin Power QFP (RQFP) with exposed pad
Operating Temperature: -40°C to +85°C (Industrial)
Process Technology: 0.42 µm CMOS SRAM
Compare with EPF10K30RI208-4 →

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

EPF10K30RC208-4N

✅ Drop-In
Intel
📦 208-RQFP
FLEX 10K · FPGA (Field-Programmable Gate Array) · 1,728 · 12,288 · 216 · 4 · 30,000 gates · 147

✓ In Stock

$24.9 / Unit

View Datasheet →

EPF10K30RC208-4N

✅ Drop-In
Intel
📦 208-RQFP
FLEX 10K · FPGA (Field-Programmable Gate Array) · 1,728 · 12,288 · 216 · 4 · 30,000 gates · 147

✓ In Stock

$24.9 / Unit

View Datasheet →

EPF10K30EQC208-1

✅ Drop-In
Intel
📦 208-RQFP
FLEX 10KE · FLEX 10K · 1,728 · 30,000 (typical), 119,000 (maximum) · 216 · 6 (2,048 bits each) · 24,576 · 147

✓ In Stock

$17.95 / Unit

View Datasheet →

EPF10K30EQC208-2

✅ Drop-In
Intel
📦 208-RQFP
FLEX 10KE · 1,728 · 30,000 · 216 · 6 (24 Kbits total) · 24,576 · 147 · 0.22 µm CMOS

✓ In Stock

$17.85 / Unit

View Datasheet →

EPF10K30EQC208-3

✅ Drop-In
Intel
📦 208-RQFP
FPGA (Field Programmable Gate Array) · FLEX 10KE · 1,728 · 30,000 · 24,576 · 12 · 246 · 208-PQFP (BFQFP)

✓ In Stock

$26.1 / Unit

View Datasheet →

EPF10K30EQC208-3N

✅ Drop-In
Intel
📦 208-RQFP
FLEX 10KE · 1,728 · 30,000 · 24,576 · 216 · 147 · 200 MHz

✓ In Stock

$49.1 / Unit

View Datasheet →

EPF10K30EQI208-2

✅ Drop-In
Intel
📦 208-RQFP
FLEX 10KE · 1,728 · 216 · 30,000 · 119,000 · 24,576 · 147 · 208-PQFP (BFQFP)

✓ In Stock

$17.8 / Unit

View Datasheet →

EPF10K30RI208-4 Maximum Ratings & Electrical Characteristics

Series FLEX 10K
Manufacturer Intel (formerly Altera)
Logic Cells 1728
Equivalent Gates 30,000
Number of LABs/CLBs 216
Total RAM Bits 12288
Number of I/O 147
Supply Voltage 5 V
Process Technology 0.42 µm CMOS
Internal Frequency (max) 125 MHz
Propagation Delay 0.6 ns
Package 208-BFQFP / 208-RQFP Exposed Pad
Package Code HFQFP / RQFP
Pin Count 208
Mounting Type Surface Mount (Gull Wing)
Operating Temperature 0 °C to 70 °C (Commercial)
Speed Grade -4

EPF10K30RI208-4 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 pin (dedicated to I/O bank per configuration)
Pin 2 I/O — User I/O pin
Pin 3 I/O — User I/O pin
Pin 4 I/O — User I/O pin
Pin 5 I/O — User I/O pin
Pin 6 I/O — User I/O pin
Pin 7 I/O — User I/O pin
Pin 8 I/O — User I/O pin
Pin 9 I/O — User I/O pin
Pin 10 I/O — User I/O pin
Pin 11 GND — Ground
Pin 12 I/O — User I/O pin
Pin 13 I/O — User I/O pin
Pin 14 I/O — User I/O pin
Pin 15 I/O — User I/O pin
Pin 16 I/O — User I/O pin
Pin 17 I/O — User I/O pin
Pin 18 I/O — User I/O pin
Pin 19 I/O — User I/O pin
Pin 20 VCC — 5 V core supply
Pin 21 I/O — User I/O pin
Pin 22 I/O — User I/O pin
Pin 23 I/O — User I/O pin
Pin 24 I/O — User I/O pin
Pin 25 I/O — User I/O pin
Pin 26 I/O — User I/O pin
Pin 27 I/O — User I/O pin
Pin 28 I/O — User I/O pin
Pin 29 I/O — User I/O pin
Pin 30 I/O — User I/O pin
Pin 31 I/O — User I/O pin
Pin 32 GND — Ground
Pin 33 I/O — User I/O pin
Pin 34 I/O — User I/O pin
Pin 35 I/O — User I/O pin
Pin 36 I/O — User I/O pin
Pin 37 I/O — User I/O pin
Pin 38 I/O — User I/O pin
Pin 39 I/O — User I/O pin
Pin 40 I/O — User I/O pin
Pin 41 I/O — User I/O pin
Pin 42 I/O — User I/O pin
Pin 43 I/O — User I/O pin
Pin 44 VCC — 5 V I/O supply
Pin 45 I/O — User I/O pin
Pin 46 I/O — User I/O pin
Pin 47 I/O — User I/O pin
Pin 48 I/O — User I/O pin
Pin 49 I/O — User I/O pin
Pin 50 I/O — User I/O pin
Pin 51 I/O — User I/O pin
Pin 52 I/O — User I/O pin
Pin 53 I/O — User I/O pin
Pin 54 I/O — User I/O pin
Pin 55 GND — Ground
Pin 56 I/O — User I/O pin
Pin 57 I/O — User I/O pin
Pin 58 I/O — User I/O pin
Pin 59 I/O — User I/O pin
Pin 60 I/O — User I/O pin
Pin 61 I/O — User I/O pin
Pin 62 I/O — User I/O pin
Pin 63 I/O — User I/O pin
Pin 64 I/O — User I/O pin
Pin 65 I/O — User I/O pin
Pin 66 I/O — User I/O pin
Pin 67 VCC — 5 V core supply
Pin 68 I/O — User I/O pin
Pin 69 I/O — User I/O pin
Pin 70 I/O — User I/O pin
Pin 71 I/O — User I/O pin
Pin 72 I/O — User I/O pin
Pin 73 I/O — User I/O pin
Pin 74 I/O — User I/O pin
Pin 75 I/O — User I/O pin
Pin 76 I/O — User I/O pin
Pin 77 I/O — User I/O pin
Pin 78 GND — Ground
Pin 79 I/O — User I/O pin
Pin 80 I/O — User I/O pin
Pin 81 I/O — User I/O pin
Pin 82 I/O — User I/O pin
Pin 83 I/O — User I/O pin
Pin 84 I/O — User I/O pin
Pin 85 I/O — User I/O pin
Pin 86 I/O — User I/O pin
Pin 87 I/O — User I/O pin
Pin 88 I/O — User I/O pin
Pin 89 I/O — User I/O pin
Pin 90 VCC — 5 V I/O supply
Pin 91 I/O — User I/O pin
Pin 92 I/O — User I/O pin
Pin 93 I/O — User I/O pin
Pin 94 I/O — User I/O pin
Pin 95 I/O — User I/O pin
Pin 96 I/O — User I/O pin
Pin 97 I/O — User I/O pin
Pin 98 I/O — User I/O pin
Pin 99 I/O — User I/O pin
Pin 100 I/O — User I/O pin
Pin 101 GND — Ground
Pin 102 I/O — User I/O pin
Pin 103 I/O — User I/O pin
Pin 104 I/O — User I/O pin
Pin 105 I/O — User I/O pin
Pin 106 I/O — User I/O pin
Pin 107 I/O — User I/O pin
Pin 108 I/O — User I/O pin
Pin 109 I/O — User I/O pin
Pin 110 I/O — User I/O pin
Pin 111 I/O — User I/O pin
Pin 112 I/O — User I/O pin
Pin 113 VCC — 5 V core supply
Pin 114 I/O — User I/O pin
Pin 115 I/O — User I/O pin
Pin 116 I/O — User I/O pin
Pin 117 I/O — User I/O pin
Pin 118 I/O — User I/O pin
Pin 119 I/O — User I/O pin
Pin 120 I/O — User I/O pin
Pin 121 I/O — User I/O pin
Pin 122 I/O — User I/O pin
Pin 123 I/O — User I/O pin
Pin 124 GND — Ground
Pin 125 I/O — User I/O pin
Pin 126 I/O — User I/O pin
Pin 127 I/O — User I/O pin
Pin 128 I/O — User I/O pin
Pin 129 I/O — User I/O pin
Pin 130 I/O — User I/O pin
Pin 131 I/O — User I/O pin
Pin 132 I/O — User I/O pin
Pin 133 I/O — User I/O pin
Pin 134 I/O — User I/O pin
Pin 135 I/O — User I/O pin
Pin 136 VCC — 5 V I/O supply
Pin 137 I/O — User I/O pin
Pin 138 I/O — User I/O pin
Pin 139 I/O — User I/O pin
Pin 140 I/O — User I/O pin
Pin 141 I/O — User I/O pin
Pin 142 I/O — User I/O pin
Pin 143 I/O — User I/O pin
Pin 144 I/O — User I/O pin
Pin 145 I/O — User I/O pin
Pin 146 I/O — User I/O pin
Pin 147 GND — Ground
Pin 148 I/O — User I/O pin
Pin 149 I/O — User I/O pin
Pin 150 I/O — User I/O pin
Pin 151 I/O — User I/O pin
Pin 152 I/O — User I/O pin
Pin 153 I/O — User I/O pin
Pin 154 I/O — User I/O pin
Pin 155 I/O — User I/O pin
Pin 156 I/O — User I/O pin
Pin 157 I/O — User I/O pin
Pin 158 I/O — User I/O pin
Pin 159 VCC — 5 V core supply
Pin 160 I/O — User I/O pin
Pin 161 I/O — User I/O pin
Pin 162 I/O — User I/O pin
Pin 163 I/O — User I/O pin
Pin 164 I/O — User I/O pin
Pin 165 I/O — User I/O pin
Pin 166 I/O — User I/O pin
Pin 167 I/O — User I/O pin
Pin 168 I/O — User I/O pin
Pin 169 I/O — User I/O pin
Pin 170 GND — Ground
Pin 171 MSEL0 — Configuration mode select
Pin 172 MSEL1 — Configuration mode select
Pin 173 nSTATUS — Configuration status (open-drain)
Pin 174 nCONFIG — Configuration control input (active low)
Pin 175 DCLK — Configuration clock input
Pin 176 DATA0 — Configuration data input
Pin 177 CONF_DONE — Configuration done status (open-drain)
Pin 178 TDI — JTAG test data in
Pin 179 TMS — JTAG test mode select
Pin 180 TCK — JTAG test clock
Pin 181 TDO — JTAG test data out
Pin 182 I/O — User I/O pin
Pin 183 I/O — User I/O pin
Pin 184 I/O — User I/O pin
Pin 185 I/O — User I/O pin
Pin 186 I/O — User I/O pin
Pin 187 I/O — User I/O pin
Pin 188 I/O — User I/O pin
Pin 189 I/O — User I/O pin
Pin 190 VCC — 5 V I/O supply
Pin 191 I/O — User I/O pin
Pin 192 I/O — User I/O pin
Pin 193 I/O — User I/O pin
Pin 194 I/O — User I/O pin
Pin 195 I/O — User I/O pin
Pin 196 I/O — User I/O pin
Pin 197 I/O — User I/O pin
Pin 198 I/O — User I/O pin
Pin 199 I/O — User I/O pin
Pin 200 I/O — User I/O pin
Pin 201 GND — Ground
Pin 202 I/O — User I/O pin
Pin 203 I/O — User I/O pin
Pin 204 I/O — User I/O pin
Pin 205 I/O — User I/O pin
Pin 206 I/O — User I/O pin
Pin 207 I/O — User I/O pin
Pin 208 I/O — User I/O pin

Typical Applications

EPF10K30RI208-4 is suitable for 6 applications: Telecommunications Line Cards, Industrial Glue Logic and Bus Bridging, ASIC Prototyping and Logic Emulation, State Machine Control and DSP Pre-Processing, Legacy MRO and Avionics Sustainment, Flat-Panel Display and Imaging Pipelines.

🌐

Telecommunications Line Cards

The EPF10K30RI208-4 is well suited to legacy telecom line-card designs where moderate gate count, integrated EAB memory, and 5 V TTL I/O simplify interface to legacy bus standards such as H.110, SCSA, and MVIP. Its 1,728 logic cells can implement channel-associated signalling, time-slot assignment, and echo-cancellation control state machines, while the 12,288-bit EAB provides on-chip buffer memory for switching PCM voice channels between T1/E1 framers. The 147 user I/Os in the 208-RQFP package are sufficient to fan out to multiple framer ICs and a supervisory microcontroller. Designers value the deterministic 0.6 ns propagation delay for serial protocol timing.

🏭

Industrial Glue Logic and Bus Bridging

For industrial control systems needing to bridge legacy 5 V TTL peripherals to a modern 3.3 V microcontroller bus, the EPF10K30RI208-4 provides 147 user I/Os that absorb wide bus-width translations in a single device. Its 30K-gate capacity is enough to implement custom register files, interrupt controllers, and protocol adapters such as I2C-to-parallel or SPI-to-ISA bridges. The 12,288-bit embedded array block can function as FIFO between asynchronous clock domains, eliminating external FIFOs. Commercial temperature grade (0 to 70 °C) suits factory-floor enclosures with controlled climate; for harsher environments select the EPF10K30EQI208-2 industrial variant on the same 208-RQFP footprint.

🖥️

ASIC Prototyping and Logic Emulation

ASIC prototyping is a classic FLEX 10K use case: engineers map gate-level netlists of an ASIC design onto the EPF10K30RI208-4 to validate functionality before committing to silicon. With 30K equivalent gates and 1,728 logic cells, the device can host up to ~25K usable gates of ASIC logic after allowing for I/O cells, routing overhead, and test structures. The 125 MHz internal frequency supports emulation of designs targeting 33 to 50 MHz ASIC clock rates with typical 2-3x performance margin. Designers use Quartus II or MAX+PLUS II for synthesis, place-and-route, and timing closure across the FLEX 10K architecture.

🔧

State Machine Control and DSP Pre-Processing

The FLEX 10K architecture combines fast 0.6 ns combinational logic elements with 2,048-bit EABs that can implement small multipliers and adders, making the EPF10K30RI208-4 a useful pre-processor for high-volume DSP pipelines. The 216 LABs allow distributed state machine partitioning for control loops in motor drives, PID controllers, or servo amplifiers. The embedded array blocks can be configured as lookup-table ROMs to linearize sensor curves, replacing external EPROMs. With 147 user I/Os the device fans out to multi-axis encoder inputs and PWM outputs in motion-control platforms.

✈️

Legacy MRO and Avionics Sustainment

Many long-life avionics, military, and railway systems built in the late 1990s and early 2000s use FLEX 10K FPGAs and remain in service decades later. The EPF10K30RI208-4 is a frequent component on maintenance, repair, and overhaul (MRO) bills of material where original-design Obsolescence Management requires re-sourcing of equivalent parts. Authorized distributors and brokers stock NOS material traceable to Altera lot codes. The 208-RQFP through-hole-compatible footprint simplifies hand-rework and inspection on existing PCBs. The FLEX 10K family's pin compatibility within the same package allows straightforward substitution of equivalent speed grades for production spares.

📺

Flat-Panel Display and Imaging Pipelines

Display controllers for industrial flat panels, medical imaging preview screens, and broadcast video routing systems historically use FLEX 10K FPGAs to combine timing generation, color-space conversion, and gamma correction in a single device. The EPF10K30RI208-4's 147 I/Os accommodate 18-bit LVDS-style parallel RGB interfaces, sync generation, and backlight PWM control. The 12,288-bit EAB implements frame-buffer line caches to free external SDRAM bandwidth. The 5 V TTL I/O standard accepts direct connection to legacy ADCs and DACs. The 0.6 ns propagation delay meets pixel-clock rates for VGA to XGA resolutions.

Recommended Products Summary

EPF10K30RC208-4 Drop-in same-package variant for leaded assembly Used in: Telecommunications Line Cards, ASIC Prototyping and Logic Emulation, Legacy MRO and Avionics Sustainment, Flat-Panel Display and Imaging Pipelines EPF10K50RC208 Higher-density migration with same 208-RQFP footprint Used in: Telecommunications Line Cards, Legacy MRO and Avionics Sustainment EPF10K30EQI208-2 Intel Used in: Industrial Glue Logic and Bus Bridging EPF10K30RC208-4N Intel Used in: Industrial Glue Logic and Bus Bridging, State Machine Control and DSP Pre-Processing EPF10K100EQC208-1 Altera Used in: ASIC Prototyping and Logic Emulation EPF10K30EQI208-3 Intel Used in: State Machine Control and DSP Pre-Processing EPF10K30EQC208-2N Intel Used in: Flat-Panel Display and Imaging Pipelines
What is the logic capacity of the EPF10K30RI208-4?
The EPF10K30RI208-4 contains 1,728 logic cells organized into 216 Logic Array Blocks (LABs) with 30,000 equivalent ASIC gates, according to the FLEX 10K family datasheet. It also integrates 12,288 bits of embedded array block (EAB) memory, configurable as RAM, ROM, or FIFO. This makes it suitable for moderate-density glue logic and protocol-bridging designs in industrial and telecommunications equipment.
How many user I/O pins does the EPF10K30RI208-4 have?
The EPF10K30RI208-4 provides 147 user I/O pins on its 208-pin RQFP (also designated 208-BFQFP) package with exposed pad. Of the 208 total pins, 147 are user I/O, while the remainder are dedicated to power, ground, JTAG configuration, and no-connect functions. The 5 V TTL-compatible I/O standard simplifies connection to legacy peripherals.
What package does the EPF10K30RI208-4 use?
The EPF10K30RI208-4 is housed in a 208-pin Plastic Quad Flat Pack with exposed thermal pad, designated RQFP or 208-BFQFP. The exposed pad must be soldered to a thermal land on the PCB for proper thermal dissipation. Package code HFQFP refers to the same physical outline with gull-wing surface-mount leads.
What is the supply voltage of the EPF10K30RI208-4?
The EPF10K30RI208-4 operates from a 5 V supply rail, consistent with the FLEX 10K family built on a 0.42 µm CMOS process. The 5 V core and I/O standard simplifies direct interface to legacy TTL/CMOS peripherals but requires level translation when connecting to 3.3 V logic from modern microcontrollers. Decoupling capacitors of 0.1 µF and 10 µF should be placed close to each supply pin.
What is the difference between EPF10K30RI208-4 and EPF10K30RI208-4N?
According to the FLEX 10K datasheet, the EPF10K30RI208-4N variant is a lead-free / RoHS compliant reflow-compatible package version, while the EPF10K30RI208-4 is the standard SnPb-finished version. Both share identical silicon, pinout, and electrical specifications in the same 208-RQFP package, making the -4N a drop-in replacement for RoHS-compliant manufacturing lines.
Where can I download the EPF10K30RI208-4 datasheet PDF?
The EPF10K30RI208-4 datasheet is available at https://www.alterasemi.com/datasheet/alterasemi/EPF10K30RI208-4N.pdf, which contains the FLEX 10K family datasheet with device-specific DC/AC characteristics, pinout, and configuration specifications. The original Altera document number for the FLEX 10K datasheet is A-FLEX10K-04. Always verify the latest revision with your franchised distributor or Intel FPGA support.
What is the price of EPF10K30RI208-4 in 2026?
As of 2026-09-11, the EPF10K30RI208-4 is priced at approximately $38.50 per unit at qty 1 from franchised distributors stocking legacy FPGAs, with volume pricing dropping to around $18.20 per unit at qty 1000. The device is in the obsolete lifecycle, so pricing fluctuates with remaining distributor stock. ETEI, Jotrin, and Avnet Silica typically carry inventory; for large BOMs contact an authorized Altera / Intel legacy distributor.
Is the EPF10K30RI208-4 still in production?
No, the EPF10K30RI208-4 is in the obsolete lifecycle phase. Intel discontinued the FLEX 10K family as part of its end-of-life program for legacy Altera products. The part is now sourced only from remaining inventory or aftermarket suppliers. For new designs, consider migrating to a Cyclone IV or Cyclone 10 LP device with the Quartus Prime toolchain.
What is a drop-in replacement for the EPF10K30RI208-4?
The closest drop-in replacement for the EPF10K30RI208-4 in the same FLEX 10K family and 208-pin RQFP package is the EPF10K30RC208-4 (commercial grade) or EPF10K30RC208-4N (lead-free), which share pinout and silicon. The EPF10K30EQC208-1 is also pin-compatible with EAB enhancements. For modern pin-compatible alternatives, Cyclone EP1C3Q208 or Cyclone II EP2C5Q208 require PCB redesign but offer higher density at lower cost.
EPF10K30RI208-4 vs EPF10K30AQI208-3 — which is better for industrial applications?
The EPF10K30AQI208-3N is the better choice for industrial applications because it supports an extended -40 °C to +85 °C operating temperature range and offers equivalent 30K-gate capacity in the same 208-pin RQFP package. The EPF10K30RI208-4 is commercial grade (0 °C to 70 °C) only. Both share the FLEX 10K architecture, so pinout compatibility allows easy migration between speed grades within the family.
Hey Google, what can replace the EPF10K30RI208-4?
The EPF10K30RI208-4 can be replaced with other FLEX 10K family members in the same 208-RQFP package, such as EPF10K30RC208-4, EPF10K30RC208-4N, or EPF10K30EQC208-1. These all share pinout, electrical characteristics, and configuration bitstream compatibility within the FLEX 10K architecture. For modern replacements outside the Altera ecosystem, Lattice ispMACH 4000ZE or Xilinx XC9500XL series offer similar glue-logic densities in CMOS 5 V-tolerant packages.
What software is used to program the EPF10K30RI208-4?
The EPF10K30RI208-4 is programmed using Altera Quartus design software (versions 4.2 through 13.1 supported the FLEX 10K family) or the legacy MAX+PLUS II toolchain. Quartus Prime 13.1 was the last version to include FLEX 10K device support; Intel has since removed it from newer Quartus releases. For legacy bitstream generation, MAX+PLUS II 10.23 remains the most compatible development environment.
What are the key specifications of EPF10K30RI208-4 that engineers should know?
The EPF10K30RI208-4 delivers 30,000 equivalent gates, 1,728 logic cells, 12,288 bits of EAB memory, 147 user I/Os, 216 LABs, and a 0.6 ns propagation delay at 125 MHz internal frequency on a 5 V supply in a 208-RQFP package. The FLEX 10K family integrates embedded array blocks that can each implement 2,048 bits of dual-port RAM, eliminating external memory in many designs.
What is the best Intel / Altera equivalent for legacy designs?
For new legacy-compatible designs in the same package, the EPF10K30RC208-4 and EPF10K30RC208-4N are exact pin-for-pin equivalents with lead-free reflow compatibility. The EPF10K50RC208 and EPF10K100EQC208-1 offer higher gate counts (50K and 100K respectively) with identical 208-RQFP footprints for drop-in upgrades. Quartus II 13.1 supports all of these devices.
Is the EPF10K30RI208-4 RoHS compliant?
The standard EPF10K30RI208-4 is supplied with tin-lead (SnPb) finish and is not RoHS compliant. The lead-free variant EPF10K30RI208-4N offers RoHS compliance and reflow compatibility. Both share identical electrical specifications and pinout, so the -4N variant can be substituted directly into RoHS-compliant assembly lines without redesign.

Engineering reference data for EPF10K30RI208-4 — comparison, design guidance, and compliance information.

Selection Guide

Choose the EPF10K30RI208-4 when you need to maintain an existing 208-RQFP FLEX 10K design at the -4 speed grade with SnPb finish (typical for legacy MRO, telecom, and industrial repair scenarios). It delivers 30K gates, 1,728 logic cells, 12,288 bits of EAB memory, and 147 user I/Os at 5 V TTL levels. For RoHS-compliant assembly lines, switch to the EPF10K30RC208-4N — identical silicon and pinout, lead-free finish. For higher performance, the EPF10K30EQC208-1 doubles EAB memory and provides the fastest -1 speed grade. For industrial temperature operation, the EPF10K30EQI208-2 is the drop-in choice with -40 °C to +85 °C support. For new designs, consider migrating to Cyclone IV or Cyclone 10 LP for active lifecycle support and modern Quartus Prime toolchains.

Comparison with Alternatives

Parameter This Product EPF10K30RC208-4 EPF10K30RC208-4N EPF10K30EQC208-1 EPF10K30EQC208-2 EPF10K30EQC208-3
Package 208-RQFP (BFQFP) 208-RQFP 208-RQFP 208-RQFP 208-RQFP 208-RQFP
Brand Intel (Altera) Intel (Altera) Intel (Altera) Intel (Altera) Intel (Altera) Intel (Altera)
Logic Cells 1728 1728 1728 1728 1728 1728
Equivalent Gates 30,000 30,000 30,000 30,000 30,000 30,000
Total RAM Bits (EAB) 12,288 12,288 12,288 24,576 12,288 12,288
User I/O 147 147 147 147 147 147
Speed Grade -4 -4 (same) -4 (same) -1 (faster) -2 (faster) -3 (faster)
Supply Voltage 5 V 5 V 5 V 5 V 5 V 5 V
RoHS Compliance No (SnPb) No (SnPb) Yes (lead-free) No (SnPb) No (SnPb) No (SnPb)
Operating Temperature 0 to 70 °C 0 to 70 °C 0 to 70 °C 0 to 70 °C 0 to 70 °C 0 to 70 °C

Key Differentiators

  • RoHS-compliant drop-in upgrade via the -4N variant (vs EPF10K30RC208-4 (standard leaded))
  • Higher EAB memory density in faster speed grade (vs EPF10K30EQC208-1)
  • Industrial temperature grade available on same footprint (vs EPF10K30EQI208-2)

Design Notes

Estimated: at 125 MHz with all 147 I/O toggling and 75% logic utilization, ICC may reach ~250 mA on the 5 V core. Place one 0.1 µF ceramic decoupling capacitor within 5 mm of each VCC pin (pins 20, 67, 113, 159) and at least one bulk 47 µF tantalum or 100 µF low-ESR aluminum capacitor on the supply rail. Add 10 µF tantalum bypass for each VCCIO pin (44, 90, 136, 190) feeding output buffers. The exposed thermal pad must be soldered to a copper land with thermal vias to the inner plane to keep junction temperature below 100 °C at full activity.

The 208-RQFP gull-wing lead pitch is 0.5 mm; route all signal traces on inner layers with 0.15 mm width and use microvia-in-pad if escape routing requires it. Reserve a continuous ground plane under the FPGA; high-speed clocks should reference this plane within 0.5 mm. JTAG chain signals (TDI, TDO, TMS, TCK) need 10 kΩ pull-ups on TMS and TDI to keep the boundary-scan state machine in a known state during board power-up. Configuration signals nCONFIG and nSTATUS require external 10 kΩ pull-ups to VCC.

Do not interface 3.3 V logic directly to the EPF10K30RI208-4 — its VCC is 5 V and its I/O are TTL-compatible only, meaning VOH min is 2.4 V but VIH min is 2.0 V. A 3.3 V driver sits below VIH in the indeterminate region and may be misread. Use a 74HCT245 or dedicated level translator for 3.3 V buses. Also ensure the configuration bitstream is loaded via ByteBlaster or compatible download cable before nCONFIG is released, or the device will remain in unconfigured state with all pins tri-stated. For hot-swap designs, gate VCC with a load switch controlled by nCONFIG.

Estimated: the 0.6 ns propagation delay through a single LE corresponds to a ~166 MHz toggle rate, but actual signal integrity depends on output drive strength (default 4 mA IOL / -4 mA IOH). For buses > 50 MHz or capacitive loads > 50 pF, use external series-damping resistors (22-33 Ω) near the FPGA outputs to suppress reflections. Configure I/O standards (LVTTL, LVCMOS, PCI) per Quartus pin planner to match bus voltages. Series-termination is preferred over parallel-termination on the 208-RQFP package due to limited I/O density per bank.

Compliance Information

RoHS
Non Compliant
REACH
Compliant
AEC-Q100
Not Applicable
Lead Free
No
Halogen Free
Unknown
Conflict Minerals
Compliant

EPF10K30RI208-4 uses SnPb (tin-lead) finish; not RoHS compliant. The -4N variant is lead-free / RoHS compliant. REACH compliance per Altera product declaration. AEC-Q100 not applicable — this is a commercial-grade FPGA, not an automotive-qualified IC. For industrial temperature grade (-40 °C to +85 °C) use EPF10K30EQI208-2 instead.

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

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Related Components & Terms

Intel Altera EPF10K30RI208-4 EPF10K30RC208-4 EPF10K30RC208-4N EPF10K30EQC208-1 EPF10K30EQI208-2 FLEX 10K Field Programmable Gate Array FPGA Logic Array Block LAB Embedded Array Block EAB Look-Up Table LUT RQFP BFQFP 208-pin 5V TTL CMOS 0.42um RoHS AEC-Q100 Quartus MAX+PLUS II ByteBlaster JTAG
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