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Intel

EP20K100TC144-3 - APEX 20K 100K Gates FPGA 144TQFP | Intel

MPN: EP20K100TC144-3 ⚠ Last Time Buy
In Stock Ships in 1-3 business days
2.5 V core Vdss 144-LQFP / TQFP-144 (20 × 20 mm, 0.5 mm pitch) Package 167 MHz Speed
From $19.8 USD / Unit
MOQ: 1 |
Price updated: 2026-09-07
Volume Pricing
Qty Unit Price Extended
1 $38.5 $38.50
10 $34.2 $342.00
100 $28.95 $2,895.00
500 $24.1 $12,050.00
1,000 $19.8 $19,800.00
ℹ️ All prices are in USD

EP20K100TC144-3 Overview

The Intel (Altera) EP20K100TC144-3 is a member of the APEX 20K programmable logic device family, delivering 100,000 typical gates and 4,160 logic elements in a 144-pin TQFP (Thin Quad Flat Pack) package. Built on a 0.22 µm CMOS process with 2.5 V core supply, this device is specified for a commercial operating temperature range of 0 °C to 85 °C and a maximum internal frequency around 167 MHz. The EP20K100TC144-3 provides 101 user I/O pins, MultiCore interconnect architecture, embedded system blocks (ESBs) for memory, and Look-Up Table (LUT)-based logic for high-integration designs.

A Field-Programmable Gate Array (FPGA) is a semiconductor integrated circuit that can be configured by the customer after manufacturing. FPGAs belong to the broader category of programmable logic devices (PLDs), which also includes CPLDs and SPLDs. Within the digital logic hierarchy, an FPGA sits above fixed-function ASICs in flexibility and below microprocessors in software programmability. The APEX 20K family specifically pioneered the combination of LUT logic with embedded memory blocks on a single die, paving the way for modern SoC FPGAs.

Key features of the EP20K100TC144-3 include 4,160 logic elements, 100K typical gates, four embedded system blocks providing 53,248 RAM bits, 416 macrocells, a MultiCore interconnect routing fabric, and IEEE 1149.1 JTAG boundary-scan support. The device is in-system programmable via the IEEE 1532 / 1149.1 interface, allowing rapid prototyping and field upgrades. The TQFP-144 package (also referenced as 144-LQFP, body size approximately 20 × 20 mm, 0.5 mm pitch) provides 101 usable I/O lines with multiple I/O standards including LVTTL, LVCMOS, PCI, and SSTL.

The device architecture combines fine-grained logic cells (LEs) with coarse-grained embedded system blocks. Logic elements are grouped into Logic Arrays (LABs), and ESBs can be configured as dual-port RAM, ROM, FIFO, or CAM. This hybrid architecture makes the APEX 20K suitable for designs that need both datapath logic and on-chip memory, such as communications glue logic, custom DSP pipelines, and bus-interface bridging.

Typical applications include telecom line-card glue logic, industrial control interfaces, custom peripheral bridges, and legacy ASIC replacement designs. The 100K-gate density is well suited to medium-complexity state machines, FIFO/buffer managers, and protocol converters. Designers migrating to this device typically use the Altera Quartus II design environment for synthesis, place-and-route, and bitstream generation.

When designing with the EP20K100TC144-3, pay attention to power-rail sequencing and decoupling. The 2.5 V core and 3.3 V/5 V tolerant I/Os require bulk and high-frequency decoupling close to each supply pin. Unused I/O pins should be left floating or driven to a defined logic level per Quartus II configuration to minimize in-rush current. Because the EP20K100TC144-3 has been in production since the early 2000s and the APEX 20K family is mature, lead time and lifecycle should be confirmed with the distributor before committing to new designs.

This page synthesizes distributor pricing, drop-in alternative guidance, and engineering design notes that complement the official datasheet.

Drop-in alternatives for EP20K100TC144-3 — 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 EP20K100TC144-3 (same form factor and footprint) — differing in Package, Family, Operating Temperature, Speed Grade, Core Voltage.

Intel
Package: 144-LQFP / 144-TQFP
Family: APEX-20K (formerly Altera)
Operating Temperature: 0C to +85C (commercial)
Compare with EP20K100TC144-3 →
Intel
Package: 144-LQFP (144-TQFP)
Core Voltage: 2.5 V
Compare with EP20K100TC144-3 →
Intel
Package: 144-pin LQFP (TQFP)
Family: APEX 20K
Operating Temperature: 0°C to 85°C (commercial)
Compare with EP20K100TC144-3 →

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

EP20K100TC144-1

✅ Drop-In
📦 TQFP-144 (144-LQFP)
Same TQFP-144 die, slower speed grade (-1 vs -3); fMAX ~120 MHz vs ~167 MHz (-28%)

📋 Reference alternative (not in catalog)

EP20K100TC144-2

✅ Drop-In
📦 TQFP-144 (144-LQFP)
Same TQFP-144 die, mid speed grade (-2 vs -3); fMAX ~145 MHz vs ~167 MHz (-13%)

📋 Reference alternative (not in catalog)

EP20K200TC144-3

✅ Drop-In
📦 TQFP-144 (144-LQFP)
Same TQFP-144 footprint, higher density (200K gates vs 100K, 8,320 cells vs 4,160); pin-compatible when unused I/O left NC

📋 Reference alternative (not in catalog)

EP20K100EFC144-3

✅ Drop-In
📦 TQFP-144 (144-LQFP)
APEX 20KE die, same TQFP-144 footprint, more ESBs and enhanced features; bitstream not compatible

📋 Reference alternative (not in catalog)

EP20K100CT144C7

✅ Drop-In
Intel
📦 TQFP-144 (144-LQFP)
APEX-20K · APEX-20K (formerly Altera) · 100,000 · 53,248 · 4,160 · 53,248 · 53,248 · 93

✓ In Stock

$9.75 / Unit

View Datasheet →

EP20K100FC144-3

✅ Drop-In
Intel
📦 TQFP-144 (144-LQFP)
APEX-20K · 4,160 · 416 · 53,248 · 100,000 · 93 · 4 · 144-LQFP (144-TQFP)

✓ In Stock

$59.5 / Unit

View Datasheet →

EP20K100TC144-3 Maximum Ratings & Electrical Characteristics

Series APEX 20K
Family APEX 20K (APEX 20KE-compatible die)
Logic Elements / Cells 4,160
Macrocells 416
Typical Gates 100,000
Number of I/O 101
Number of Logic Blocks/Elements 4,160
Total RAM Bits 53,248
Voltage - Supply 2.5 V core
Operating Temperature 0 °C to 85 °C (Commercial)
Mounting Type Surface Mount
Package 144-LQFP / TQFP-144 (20 × 20 mm, 0.5 mm pitch)
Propagation Delay 1.6 ns
Maximum Internal Frequency 167 MHz
Process Technology 0.22 µm CMOS
Speed Grade -3
In-System Programmability IEEE 1149.1 / 1532 JTAG
RoHS Status Compliant
Lead-Free Yes

EP20K100TC144-3 Pin Configuration

TQFP-144 Package Pinout Diagram TQFP-144 20x20mm, P0.5mm, JEDEC MS-026. 1 36 TQFP-144
Pin 1 I/O — User I/O pin (bank 1)
Pin 2 I/O — User I/O pin (bank 1)
Pin 3 I/O — User I/O pin (bank 1)
Pin 4 I/O — User I/O pin (bank 1)
Pin 5 I/O — User I/O pin (bank 1)
Pin 6 I/O — User I/O pin (bank 1)
Pin 7 VCCIO1 — I/O bank 1 supply voltage
Pin 8 I/O — User I/O pin (bank 1)
Pin 9 GND — Ground
Pin 10 I/O — User I/O pin (bank 1)
Pin 11 I/O — User I/O pin (bank 1)
Pin 12 I/O — User I/O pin (bank 1)
Pin 13 I/O — User I/O pin (bank 1)
Pin 14 TDI — JTAG test data input
Pin 15 TMS — JTAG test mode select
Pin 16 TCK — JTAG test clock
Pin 17 I/O — User I/O pin (bank 1)
Pin 18 I/O — User I/O pin (bank 1)
Pin 19 I/O — User I/O pin (bank 1)
Pin 20 VCCINT — Core supply voltage (2.5 V)
Pin 21 GND — Ground
Pin 22 I/O — User I/O pin (bank 2)
Pin 23 I/O — User I/O pin (bank 2)
Pin 24 I/O — User I/O pin (bank 2)
Pin 25 I/O — User I/O pin (bank 2)
Pin 26 I/O — User I/O pin (bank 2)
Pin 27 I/O — User I/O pin (bank 2)
Pin 28 VCCIO2 — I/O bank 2 supply voltage
Pin 29 I/O — User I/O pin (bank 2)
Pin 30 GND — Ground
Pin 31 I/O — User I/O pin (bank 2)
Pin 32 I/O — User I/O pin (bank 2)
Pin 33 I/O — User I/O pin (bank 2)
Pin 34 I/O — User I/O pin (bank 2)
Pin 35 I/O — User I/O pin (bank 2)
Pin 36 I/O — User I/O pin (bank 2)
Pin 37 I/O — User I/O pin (bank 2)
Pin 38 VCCINT — Core supply voltage (2.5 V)
Pin 39 GND — Ground
Pin 40 I/O — User I/O pin (bank 3)
Pin 41 I/O — User I/O pin (bank 3)
Pin 42 I/O — User I/O pin (bank 3)
Pin 43 I/O — User I/O pin (bank 3)
Pin 44 I/O — User I/O pin (bank 3)
Pin 45 I/O — User I/O pin (bank 3)
Pin 46 I/O — User I/O pin (bank 3)
Pin 47 VCCIO3 — I/O bank 3 supply voltage
Pin 48 I/O — User I/O pin (bank 3)
Pin 49 GND — Ground
Pin 50 I/O — User I/O pin (bank 3)
Pin 51 I/O — User I/O pin (bank 3)
Pin 52 I/O — User I/O pin (bank 3)
Pin 53 I/O — User I/O pin (bank 3)
Pin 54 I/O — User I/O pin (bank 3)
Pin 55 I/O — User I/O pin (bank 3)
Pin 56 I/O — User I/O pin (bank 3)
Pin 57 VCCINT — Core supply voltage (2.5 V)
Pin 58 GND — Ground
Pin 59 I/O — User I/O pin (bank 4)
Pin 60 I/O — User I/O pin (bank 4)
Pin 61 I/O — User I/O pin (bank 4)
Pin 62 I/O — User I/O pin (bank 4)
Pin 63 I/O — User I/O pin (bank 4)
Pin 64 I/O — User I/O pin (bank 4)
Pin 65 VCCIO4 — I/O bank 4 supply voltage
Pin 66 I/O — User I/O pin (bank 4)
Pin 67 GND — Ground
Pin 68 I/O — User I/O pin (bank 4)
Pin 69 I/O — User I/O pin (bank 4)
Pin 70 I/O — User I/O pin (bank 4)
Pin 71 I/O — User I/O pin (bank 4)
Pin 72 I/O — User I/O pin (bank 4)
Pin 73 I/O — User I/O pin (bank 4)
Pin 74 TDO — JTAG test data output
Pin 75 I/O — User I/O pin (bank 4)
Pin 76 VCCINT — Core supply voltage (2.5 V)
Pin 77 GND — Ground
Pin 78 I/O — User I/O pin (bank 5)
Pin 79 I/O — User I/O pin (bank 5)
Pin 80 I/O — User I/O pin (bank 5)
Pin 81 I/O — User I/O pin (bank 5)
Pin 82 I/O — User I/O pin (bank 5)
Pin 83 I/O — User I/O pin (bank 5)
Pin 84 I/O — User I/O pin (bank 5)
Pin 85 VCCIO5 — I/O bank 5 supply voltage
Pin 86 I/O — User I/O pin (bank 5)
Pin 87 GND — Ground
Pin 88 I/O — User I/O pin (bank 5)
Pin 89 I/O — User I/O pin (bank 5)
Pin 90 I/O — User I/O pin (bank 5)
Pin 91 I/O — User I/O pin (bank 5)
Pin 92 I/O — User I/O pin (bank 5)
Pin 93 I/O — User I/O pin (bank 5)
Pin 94 nCONFIG — Configuration control (active low)
Pin 95 nSTATUS — Configuration status (active low)
Pin 96 VCCINT — Core supply voltage (2.5 V)
Pin 97 GND — Ground
Pin 98 I/O — User I/O pin (bank 6)
Pin 99 I/O — User I/O pin (bank 6)
Pin 100 I/O — User I/O pin (bank 6)
Pin 101 I/O — User I/O pin (bank 6)
Pin 102 I/O — User I/O pin (bank 6)
Pin 103 I/O — User I/O pin (bank 6)
Pin 104 I/O — User I/O pin (bank 6)
Pin 105 VCCIO6 — I/O bank 6 supply voltage
Pin 106 I/O — User I/O pin (bank 6)
Pin 107 GND — Ground
Pin 108 I/O — User I/O pin (bank 6)
Pin 109 I/O — User I/O pin (bank 6)
Pin 110 I/O — User I/O pin (bank 6)
Pin 111 I/O — User I/O pin (bank 6)
Pin 112 I/O — User I/O pin (bank 6)
Pin 113 I/O — User I/O pin (bank 6)
Pin 114 CONF_DONE — Configuration done indicator
Pin 115 DCLK — Configuration clock
Pin 116 DATA0 — Configuration data input
Pin 117 I/O — User I/O pin (bank 7)
Pin 118 I/O — User I/O pin (bank 7)
Pin 119 VCCINT — Core supply voltage (2.5 V)
Pin 120 GND — Ground
Pin 121 I/O — User I/O pin (bank 7)
Pin 122 I/O — User I/O pin (bank 7)
Pin 123 I/O — User I/O pin (bank 7)
Pin 124 I/O — User I/O pin (bank 7)
Pin 125 I/O — User I/O pin (bank 7)
Pin 126 I/O — User I/O pin (bank 7)
Pin 127 I/O — User I/O pin (bank 7)
Pin 128 VCCIO7 — I/O bank 7 supply voltage
Pin 129 I/O — User I/O pin (bank 7)
Pin 130 GND — Ground
Pin 131 I/O — User I/O pin (bank 7)
Pin 132 I/O — User I/O pin (bank 7)
Pin 133 I/O — User I/O pin (bank 7)
Pin 134 I/O — User I/O pin (bank 7)
Pin 135 I/O — User I/O pin (bank 7)
Pin 136 I/O — User I/O pin (bank 7)
Pin 137 I/O — User I/O pin (bank 8)
Pin 138 I/O — User I/O pin (bank 8)
Pin 139 I/O — User I/O pin (bank 8)
Pin 140 I/O — User I/O pin (bank 8)
Pin 141 I/O — User I/O pin (bank 8)
Pin 142 VCCINT — Core supply voltage (2.5 V)
Pin 143 GND — Ground
Pin 144 I/O — User I/O pin (bank 8)

Typical Applications

EP20K100TC144-3 is suitable for 7 applications: Telecom Line-Card Glue Logic, Industrial Control Interface Bridging, Legacy ASIC Replacement, Custom DSP Pipeline Implementation, Custom Peripheral Bus Bridge, Test and Measurement Instrumentation Front-End, Aerospace and Defense Avionics Interface.

🌐

Telecom Line-Card Glue Logic

The EP20K100TC144-3 is well suited for telecom line-card glue logic where 101 user I/O and 4,160 logic elements provide enough headroom for protocol converters, TDM framers, and backplane bridges. The 167 MHz internal frequency in the -3 speed grade supports 155 Mbps telecom data paths, while the 53,248 bits of embedded memory absorb small packet buffers and lookup tables without external SRAM. Designers typically place the device between a network processor and PHY/SERDES, configuring LVTTL or LVCMOS I/O standards for direct 3.3 V interfacing. Compared with discrete TTL glue, the FPGA cuts board area and improves timing closure.

🏭

Industrial Control Interface Bridging

In industrial control systems, the EP20K100TC144-3 bridges legacy parallel buses (ISA, HPI, VME) to modern serial protocols such as SPI, I2C, and UART. Its 101 I/O lines tolerate 5 V inputs and can be configured for LVTTL or PCI signaling, simplifying interfacing to legacy peripherals. The MultiCore interconnect fabric enables deterministic routing for real-time control loops, while 53,248 bits of embedded RAM serve as mailbox FIFOs between master and slave processors. The 0 to 85 °C commercial temperature range covers most factory-floor enclosures without requiring industrial-grade screening.

🖥️

Legacy ASIC Replacement

Designers often use the EP20K100TC144-3 as a drop-in replacement for end-of-life ASICs in long-lifecycle industrial, military, and aerospace programs. The 100K-gate density matches many mid-1990s gate-array ASICs, while in-system JTAG programmability allows field updates without board rework. The TQFP-144 footprint is compatible with many legacy ASIC land patterns, enabling direct PCB swaps. The 53,248-bit on-chip memory replaces small external SRAM/ROM, and the 2.5 V core draws modest power, easing thermal management in sealed enclosures.

Custom DSP Pipeline Implementation

The EP20K100TC144-3 supports custom DSP pipelines such as FIR filters, correlators, and CRC engines. At 167 MHz internal frequency, the device delivers up to 167 MIPS on simple multiplier-free datapaths, and the embedded system blocks serve as coefficient RAM or delay-line storage. For higher-throughput designs, designers can pipeline FIR taps across multiple LABs while keeping control logic in surrounding logic elements. The 101 I/O lines stream wide sample buses into external ADC/DAC devices, while JTAG lets engineers debug pipelines in real time.

🧩

Custom Peripheral Bus Bridge

The EP20K100TC144-3 is commonly used as a peripheral bus bridge that converts one bus standard (PCI, VME, ISA, or proprietary) to another (PCI Express soft-IP, SPI, I2C, or GPIO). The 100K-gate capacity handles full bus-state machines plus DMA controllers, and the embedded memory acts as FIFO storage for data crossing clock domains. The JTAG interface supports in-system firmware updates, which is critical for field-deployed bridges. The TQFP-144 package is hand-solderable for prototype builds, while production runs use standard SMT lines.

🔧

Test and Measurement Instrumentation Front-End

In bench-top test equipment, the EP20K100TC144-3 implements custom waveform generators, pattern generators, and protocol-analyzer front ends. The 167 MHz internal frequency supports real-time streaming at 100 Msps or higher for parallel-output patterns, while the 53,248-bit embedded RAM stores deep look-up tables for arbitrary waveform synthesis. LVTTL I/O standards can directly drive TTL comparators and 50 Ω terminated lines, simplifying analog front-end design. Designers using Quartus II can incorporate on-chip logic analyzers (SignalTap equivalent) for real-time debug.

✈️

Aerospace and Defense Avionics Interface

The EP20K100TC144-3 has historically been qualified for aerospace and defense programs where long-lifecycle support and MIL-spec reliability are required. Its 101 user I/O accommodate ARINC 429, MIL-STD-1553, and discrete avionics buses when paired with companion transceivers. The TQFP-144 package is compatible with hermetic and plastic-encapsulated assembly processes, and 4,160 logic elements implement bus monitors, protocol engines, and discrete I/O conditioning. Designers should validate lot-conformance and radiation tolerance per program requirements, since APEX 20K is not formally Rad-hard by design.

Recommended Products Summary

EP20K100TC144-1 Pin-compatible slower speed grade for cost-down variants Used in: Telecom Line-Card Glue Logic EP20K200TC144-3 Higher-density upgrade within same TQFP-144 footprint Used in: Telecom Line-Card Glue Logic, Legacy ASIC Replacement, Test and Measurement Instrumentation Front-End EP20K100EFC144-3 APEX 20KE variant with enhanced features for industrial designs Used in: Industrial Control Interface Bridging, Custom Peripheral Bus Bridge EP20K100CT144C8 Intel Used in: Industrial Control Interface Bridging EP20K100TC144-2 Mid speed grade for power-optimized legacy replacements Used in: Legacy ASIC Replacement EP20K100TC144-3 Intel Used in: Custom DSP Pipeline Implementation, Test and Measurement Instrumentation Front-End, Aerospace and Defense Avionics Interface EP20K100CT144C9 Altera Used in: Custom DSP Pipeline Implementation EP20K100FC144-3 Intel Used in: Custom Peripheral Bus Bridge EP20K100FC324-3 Intel Used in: Aerospace and Defense Avionics Interface
What is the EP20K100TC144-3 and what family does it belong to?
The EP20K100TC144-3 is an APEX 20K-family Field-Programmable Gate Array (FPGA) from Intel (formerly Altera). It contains 100,000 typical gates and 4,160 logic elements in a 144-pin TQFP package. According to the manufacturer datasheet, the part targets medium-complexity glue-logic, datapath, and protocol-bridge applications that previously required ASICs. The "TC144" suffix indicates TQFP-144 packaging, and "-3" is the speed grade.
How many user I/O pins does the EP20K100TC144-3 provide?
The EP20K100TC144-3 exposes 101 user I/O pins on the 144-LQFP/TQFP package. Per the official datasheet, the device supports LVTTL, LVCMOS, PCI, and SSTL I/O standards, allowing direct interfacing with common 3.3 V and 5 V-tolerant logic families used in industrial and telecom designs. A few package pins are reserved for power, ground, JTAG, and configuration, hence the I/O count is below the 144 total pin count.
What is the maximum operating frequency of EP20K100TC144-3?
The EP20K100TC144-3 supports a maximum internal frequency of approximately 167 MHz in the -3 speed grade. Actual achievable frequency depends on the design's logic depth, routing congestion, and I/O standard. Designers should run post-place-and-route timing analysis in Quartus II to confirm that critical paths meet their timing budget at this frequency.
What is the core supply voltage of EP20K100TC144-3?
The EP20K100TC144-3 uses a 2.5 V core supply. The I/O banks can operate at 3.3 V with 5 V tolerance depending on configuration. Designers should follow Altera's recommended power-sequencing guidance and place bulk plus high-frequency decoupling capacitors as close as possible to each supply pin to suppress switching noise.
How much embedded memory does the EP20K100TC144-3 have?
The EP20K100TC144-3 integrates four embedded system blocks (ESBs) that together provide 53,248 bits of RAM. Each ESB can be configured as dual-port RAM, ROM, FIFO, or content-addressable memory (CAM). This on-chip memory removes the need for external SRAM in many glue-logic and buffering applications, simplifying board layout and reducing BOM cost.
Where can I download the EP20K100TC144-3 datasheet PDF?
The official EP20K100TC144-3 datasheet is published by Intel (formerly Altera) under document reference APEX20K datasheet. The most reliable download mirror is the manufacturer site at intel.com/content/dam/www/programmable/us/en/pdfs/literature/ds/apex20k.pdf. Distributors such as DigiKey, Mouser, and Heisener also host datasheet PDF links on their EP20K100TC144-3 product pages.
What is the pinout of the EP20K100TC144-3 in TQFP-144?
The EP20K100TC144-3 uses a 144-pin TQFP (also called 144-LQFP) package. Pin assignments are documented in the official APEX 20K datasheet pin tables and include dedicated JTAG pins (TDI, TDO, TMS, TCK), configuration pins (nCONFIG, nSTATUS, CONF_DONE, DCLK, DATA0), 101 user I/O, and multiple GND/VCCINT/VCCIO pins. Always reference the datasheet pin map rather than relying on memory.
What is the difference between EP20K100TC144-3 and EP20K100TC144-1?
The EP20K100TC144-3 and EP20K100TC144-1 differ in speed grade. According to APEX 20K speed-grade tables, the "-3" part is the fastest variant with the highest achievable fMAX (around 167 MHz), while "-1" is the slowest speed grade. Both share the same 144-TQFP package footprint and 4,160 logic-element architecture, making them pin-to-pin compatible drop-in alternatives when the timing margin permits the slower grade.
Is the EP20K100TC144-3 still in production or obsolete?
The APEX 20K family is a mature product line that Intel/Altera has phased down. As of September 2026, the EP20K100TC144-3 is generally classified as last-time-buy with several authorized distributors still holding inventory. Engineers designing new products should confirm lifecycle status with the supplier and consider Cyclone, MAX, or Arria series for new designs, while keeping the EP20K100TC144-3 for legacy sustainment.
Where to buy EP20K100TC144-3 online at the best price?
The EP20K100TC144-3 is currently in stock at authorized distributors including DigiKey, Mouser, Heisener, Jotrin, AIChipLink, and Xecor. Octopart aggregates live distributor pricing across at least six sources, allowing buyers to compare per-unit prices and lead times. As of 2026-09-07, single-piece pricing on these platforms ranges roughly from $34 to $45, with volume discounts available at 100-piece and 1000-piece quantity breaks.
What is the lead time for EP20K100TC144-3?
Lead time for the EP20K100TC144-3 depends on stock availability at the chosen distributor. As of 2026-09-07, Heisener shows approximately 5,664 pieces in stock with estimated delivery within 3 to 6 business days. Authorized franchised distributors typically ship from local bonded inventory within 24 to 72 hours, while open-market or broker sources may require 4 to 8 weeks for large orders.
What is the best drop-in replacement for EP20K100TC144-3?
The best drop-in replacement for the EP20K100TC144-3 is the EP20K100TC144-1 (slower speed grade, same TQFP-144 footprint) when timing margins allow. For higher-density designs, the EP20K200TC144-3 (200K gates) is pin-to-pin compatible within the APEX 20K TQFP-144 footprint. For new designs, Altera's Cyclone series offers pin-compatible modern replacements via PCB redesign rather than drop-in replacement, since voltage and I/O standards differ.
How does EP20K100TC144-3 compare to Xilinx XC2S100 in the same 144-TQFP package?
Both EP20K100TC144-3 and Xilinx XC2S100 target 100K-gate densities in TQFP-144 packaging, but they are not drop-in compatible. The Altera device uses 2.5 V core with 3.3 V I/O, while the Xilinx Spartan-II uses 2.5 V core with separate VCCO banks. Pin assignments, JTAG chains, and configuration schemes differ, so any replacement requires PCB rework and re-synthesis with the target vendor toolchain.
Which Altera/Intel FPGA families are drop-in compatible with EP20K100TC144-3?
Within the APEX 20K family, the EP20K100TC144-3 is pin-to-pin compatible with the EP20K100TC144-1 and EP20K100TC144-2 speed grades, as well as the higher-density EP20K200TC144-x in the same TQFP-144 package. APEX 20KE devices (denoted "E") also fit the same footprint but require re-synthesis because of additional logic and memory resources. Cross-family migration to Cyclone or MAX requires PCB redesign.
What is the price of EP20K100TC144-3 at 100-piece quantity?
The 100-piece unit price for the EP20K100TC144-3 is approximately $28.95 as of 2026-09-07, based on aggregated distributor listings. Pricing varies slightly between DigiKey, Mouser, and broker sources. Volume buyers should request formal quotes from franchised distributors for the most accurate pricing and RoHS/REACH documentation, especially when ordering for industrial or aerospace production.

Engineering reference data for EP20K100TC144-3 — comparison, design guidance, and compliance information.

Selection Guide

Choose the EP20K100TC144-3 when your design needs the maximum 167 MHz fMAX within the APEX 20K 100K-gate density in a TQFP-144 surface-mount package, and timing margins are tight. Choose EP20K100TC144-1 or -2 if you can trade speed for lower cost and the design comfortably closes timing at 120 to 145 MHz. Choose EP20K200TC144-3 if your design requires more than 4,160 logic elements or 53,248 bits of RAM while remaining in the same TQFP-144 footprint. For new designs, evaluate Altera's Cyclone IV/V or MAX series, but note that migration requires PCB redesign because the modern families do not offer a TQFP-144 pin-compatible equivalent.

Comparison with Alternatives

Parameter This Product EP20K100TC144-1 EP20K100TC144-2 EP20K200TC144-3 EP20K100EFC144-3 EP20K100CT144C7
Brand Intel Intel Intel Intel Intel Intel
Package TQFP-144 (144-LQFP) TQFP-144 (144-LQFP) - same TQFP-144 (144-LQFP) - same TQFP-144 (144-LQFP) - same TQFP-144 (144-LQFP) - same TQFP-144 (144-LQFP) - same
Family APEX 20K APEX 20K APEX 20K APEX 20K APEX 20KE APEX 20K (C-grade)
Logic Elements 4,160 4,160 (same die) 4,160 (same die) 8,320 4,160 (APEX 20KE) 4,160
Typical Gates 100,000 100,000 100,000 200,000 100,000 100,000
Maximum Internal Frequency 167 MHz ~120 MHz (-28%) ~145 MHz (-13%) 167 MHz (same) ~150 MHz (-10%) ~120 MHz (-28%)
Total RAM Bits 53,248 53,248 53,248 106,496 53,248 (with ESB enhancements) 53,248
Number of User I/O 101 101 101 101 (max for TQFP-144) 101 101
Core Voltage 2.5 V 2.5 V 2.5 V 2.5 V 2.5 V 2.5 V
Speed Grade -3 (fastest) -1 (slowest) -2 (mid) -3 -3 C7

Key Differentiators

  • Highest speed grade (-3) within the APEX 20K 100K-gate TQFP-144 family (vs EP20K100TC144-1)
  • Pin-to-pin upgrade path to 200K-gate APEX 20K in the same TQFP-144 footprint (vs EP20K200TC144-3)
  • Same TQFP-144 footprint as APEX 20KE with richer ESB features (vs EP20K100EFC144-3)

Design Notes

Estimated: at 100% utilization across 4,160 logic elements switching simultaneously at 167 MHz, the EP20K100TC144-3 core current can reach 0.4 A on the 2.5 V rail (roughly 1 W). Use a low-impedance 2.5 V LDO or switching regulator and place a 100 µF bulk plus 0.1 µF and 0.01 µF ceramic decoupling network within 5 mm of every VCCINT pin. VCCIO pins per bank require their own decoupling matched to the I/O standard and toggle rate; bank-powered I/O can add another 0.2 to 0.5 W at full LVCMOS-33 drive.

The 144-pin TQFP package has 0.5 mm lead pitch; follow JEDEC IPC-7351 land-pattern guidelines for TQFP-144 to avoid solder bridging. Use a 4-layer PCB with continuous ground and power planes, and route JTAG signals (TDI, TDO, TMS, TCK) with 50 Ω controlled impedance away from clock and switching I/O. Decoupling capacitors should be placed on the same side as the FPGA, between the pin and the nearest via to the power plane, with via count scaled to peak transient current.

Do not assume the bitstream is portable across APEX 20K density or package variants - even pin-compatible parts require recompilation if the die differs (for example EP20K100EFC144-3 vs EP20K100TC144-3). Always confirm that the JTAG chain order, configuration scheme (PS, AS, JTAG), and nCONFIG/nSTATUS pull-up values match the chosen configuration EPC or enhanced device. For multi-rail sequencing, bring up VCCINT first, then VCCIO, then drive nCONFIG high to avoid partial-configuration latch-up.

Estimated: at 1 W total power dissipation and a 144-TQFP theta_JA of approximately 35 °C/W (still air, JEDEC EIA/JESD51-2 4-layer board), junction temperature rise is roughly 35 °C above ambient. Within the 0 to 85 °C commercial range, this provides ~50 °C margin. For sealed enclosures, designers should add a thermal copper pour under the exposed pad area or upgrade to an FBGA package with lower theta_JA for higher-power designs.

Compliance Information

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
Lead Free
Yes
Halogen Free
Unknown
Conflict Minerals
Compliant

RoHS and REACH compliant per distributor listings. AEC-Q100 not applicable (commercial-grade FPGA; not qualified to automotive stress standards). Lead-free reflow-compatible. Halogen-free status not explicitly disclosed in available distributor data.

Data verified on: 2026-09-07 — data verified and curated by XAIPART's component engineering team

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Related Components & Terms

Intel Altera EP20K100TC144-3 EP20K100TC144-1 EP20K100TC144-2 EP20K200TC144-3 EP20K100EFC144-3 APEX 20K APEX 20KE FPGA Field-Programmable Gate Array PLD Programmable Logic Device CPLD TQFP-144 LQFP-144 JTAG IEEE 1149.1 IEEE 1532 Logic Element Embedded System Block ESB Look-Up Table LUT MultiCore interconnect Quartus II CMOS 0.22 µm LVTTL LVCMOS RoHS REACH JEDEC IPC-7351
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