Intel

EPF10K20TC144-4 - Flex 10K FPGA, 20K Gates, 144-LQFP | Intel

Артикул: EPF10K20TC144-4 ✗ Снят с производства
В наличии Отправка в течение 1–3 рабочих дней
4.75 V to 5.25 V (5 V nominal) Vdss 144-LQFP (TQFP), 45 x 45 mm, 1.27 mm pitch Package 125 MHz Speed 12,288 bits Memory
От $18.95 USD / шт.
MOQ: 1 |
Цена обновлена: 2026-09-11
Оптовые цены
Кол-во Цена за ед. Итого
1 $38.5 $38,50
10 $32.1 $321,00
100 $26.75 $2.675,00
500 $22.4 $11.200,00
1.000 $18.95 $18.950,00
ℹ️ Все цены указаны в USD

EPF10K20TC144-4 Обзор

The Intel (formerly Altera) EPF10K20TC144-4 is a member of the FLEX 10K family of SRAM-based Field-Programmable Gate Arrays (FPGAs) delivering 20,000 typical gates, 1,152 logic elements, 144 logic array blocks (LABs), and 12,288 bits of embedded memory, housed in a 144-pin LQFP (TQFP) surface-mount package. The "-4" speed grade designates a commercial temperature range (0C to 70C) at 5V nominal supply with a maximum operating frequency of approximately 125 MHz, optimized for cost-sensitive, non-timing-critical designs.

A Field-Programmable Gate Array (FPGA) is a reconfigurable semiconductor device containing an array of programmable logic blocks, interconnect, and I/O cells that the user defines after manufacture via a hardware description language (HDL) and a vendor toolchain. FPGAs sit in the broader taxonomy of programmable logic devices (PLDs), occupying the high-density tier above simple PLDs (SPLDs) and complex PLDs (CPLDs), and below ASICs in unit cost but above in flexibility and time-to-market. The FLEX 10K family was one of the first architectures to integrate dedicated embedded array blocks (EABs) for on-chip RAM/ROM, foreshadowing modern FPGA hard-IP blocks.

Key features include 102 user I/O pins (some sources list up to 122 user I/Os depending on configuration), 0.42 um CMOS process technology, 5 V single-supply operation (4.75 V to 5.25 V), 0.4 ns propagation delay per logic element, and in-system programmability via the Altera ByteBlaster or BitBlaster configuration interface. The embedded array blocks (EABs) provide up to 24 Kbits of true dual-port RAM, useful for FIFOs, look-up tables, and small state machines without consuming general-purpose logic.

Typical applications include glue logic replacement, communication bridge interfaces, industrial control prototypes, legacy system emulation, low-volume ASIC substitution, and educational/development boards. The wide 5V tolerance and large gate count historically made FLEX 10K parts popular for prototyping bus interfaces (ISA, PCI) and parallel DSP pipelines.

When designing with this device, ensure your configuration PROM (EPC2 or compatible) is correctly sized for the bitstream and that the JTAG chain includes boundary-scan compliance for production test. Note that this part is now mature/legacy and Altera/Intel last-time-buy support has ended for many FLEX 10K variants; verify long-term availability before committing to new designs.

This page synthesizes distributor pricing, pin-compatible legacy alternatives, and practical migration notes not found in the original datasheet - including guidance on transitioning to Cyclone-series FPGAs for new designs while preserving the existing 144-LQFP PCB footprint where possible.

Аналоги без доработки для EPF10K20TC144-4 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.

Варианты в этой серии

Модели той же серии, совместимые без доработки с EPF10K20TC144-4 (тот же форм-фактор и посадочное место) — отличается по Package, Operating Temperature, Process Technology, Series, Logic Elements / Cells.

Altera
Package: 144-LQFP (TQFP-144)
Operating Temperature: 0 C to 70 C (Commercial)
Process Technology: 0.42 micron CMOS
Сравнить с EPF10K20TC144-4 →
Intel
Package: 144-LQFP (TQFP) 22x22 mm
Operating Temperature: 0 C to 70 C (Commercial)
Сравнить с EPF10K20TC144-4 →
Intel
Package: 144-LQFP / TQFP-144
Operating Temperature: 0°C to +70°C (commercial)
Process Technology: 0.42 µm CMOS
Сравнить с EPF10K20TC144-4 →
Altera
Package: 144-pin TQFP
Operating Temperature: 0C to +70C (Commercial)
Series: FLEX 10K
Сравнить с EPF10K20TC144-4 →
Intel
Package: 144-LQFP (TQFP), 1.27 mm pitch
Process Technology: 0.42 µm CMOS
Series: FLEX 10K
Сравнить с EPF10K20TC144-4 →
Intel
Package: 144-TQFP
Process Technology: 0.42 µm CMOS
Series: FLEX-10K
Сравнить с EPF10K20TC144-4 →
Intel
Package: 144-LQFP (TQFP)
Operating Temperature: 0 °C to +70 °C (Commercial)
Process Technology: CMOS
Сравнить с EPF10K20TC144-4 →

Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:

EPF10K20TC144-4N

✅ Прямая замена
Altera
📦 144-LQFP
FLEX 10K · 1,152 · 20,000 gates · 63,000 gates · 144 · 6 · 12,288 bits · 102

✓ В наличии

$52 / шт.

Открыть даташит →

EPF10K20TC144-3

✅ Прямая замена
Intel
📦 144-LQFP
FLEX 10K · 1,152 · 24,576 · 144 · 12 · 102 · 20,000 · 125 MHz

✓ В наличии

$21.1 / шт.

Открыть даташит →

EPF10K20TC144-3N

✅ Прямая замена
Intel
📦 144-LQFP
FLEX 10K · 1,152 · 20,000 (typical) · 12,288 · 144 · 102 · 5 V · 0.42 µm CMOS

✓ В наличии

$20.85 / шт.

Открыть даташит →

EPF10K30TC144-4

✅ Прямая замена
📦 144-LQFP
30K gates vs 20K (+50% logic), same die family and pinout

📋 Справочный аналог (нет в каталоге)

EPF10K10TC144-4N

✅ Прямая замена
Altera
📦 144-LQFP
FLEX-10K · FLEX-10K Embedded Programmable Logic Device · 576 · 72 · 6144 · 10000 (typical usable) · 102 · 4.75 V to 5.25 V

✓ В наличии

$15.5 / шт.

Открыть даташит →

EPF10K20TC144-4 Максимальные параметры и электрические характеристики

Family FLEX 10K
Typical Gates 20,000
Maximum Gates 63,000
Logic Elements / Cells 1,152
Logic Array Blocks (LABs) 144
Embedded Memory (EAB) 12,288 bits
User I/Os 102
Напряжение питания 4.75 V to 5.25 V (5 V nominal)
Process Technology 0.42 um CMOS
Propagation Delay 0.4 ns (per logic element)
Maximum Operating Frequency 125 MHz
Рабочая температура 0C to 70C (commercial)
Корпус 144-LQFP (TQFP), 45 x 45 mm, 1.27 mm pitch
Тип монтажа Surface Mount
Configuration Interface Serial (BitBlaster/ByteBlaster)
Speed Grade -4

Конфигурация выводов EPF10K20TC144-4

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
Контакт 1 I/O — User I/O pin (bank-specific voltage tolerance)
Контакт 2 I/O — User I/O pin
Контакт 3 I/O — User I/O pin
Контакт 4 I/O — User I/O pin
Контакт 5 I/O — User I/O pin
Контакт 6 I/O — User I/O pin
Контакт 7 I/O — User I/O pin
Контакт 8 I/O — User I/O pin
Контакт 9 I/O — User I/O pin
Контакт 10 I/O — User I/O pin
Контакт 11 I/O — User I/O pin
Контакт 12 I/O — User I/O pin
Контакт 13 I/O — User I/O pin
Контакт 14 I/O — User I/O pin
Контакт 15 I/O — User I/O pin
Контакт 16 I/O — User I/O pin
Контакт 17 I/O — User I/O pin
Контакт 18 I/O — User I/O pin
Контакт 19 I/O — User I/O pin
Контакт 20 I/O — User I/O pin
Контакт 21 I/O — User I/O pin
Контакт 22 I/O — User I/O pin
Контакт 23 I/O — User I/O pin
Контакт 24 I/O — User I/O pin
Контакт 25 I/O — User I/O pin
Контакт 26 I/O — User I/O pin
Контакт 27 I/O — User I/O pin
Контакт 28 I/O — User I/O pin
Контакт 29 I/O — User I/O pin
Контакт 30 I/O — User I/O pin
Контакт 31 I/O — User I/O pin
Контакт 32 I/O — User I/O pin
Контакт 33 I/O — User I/O pin
Контакт 34 I/O — User I/O pin
Контакт 35 I/O — User I/O pin
Контакт 36 I/O — User I/O pin
Контакт 37 I/O — User I/O pin
Контакт 38 I/O — User I/O pin
Контакт 39 I/O — User I/O pin
Контакт 40 I/O — User I/O pin
Контакт 41 I/O — User I/O pin
Контакт 42 I/O — User I/O pin
Контакт 43 I/O — User I/O pin
Контакт 44 I/O — User I/O pin
Контакт 45 I/O — User I/O pin
Контакт 46 I/O — User I/O pin
Контакт 47 I/O — User I/O pin
Контакт 48 I/O — User I/O pin
Контакт 49 I/O — User I/O pin
Контакт 50 I/O — User I/O pin
Контакт 51 I/O — User I/O pin
Контакт 52 I/O — User I/O pin
Контакт 53 I/O — User I/O pin
Контакт 54 I/O — User I/O pin
Контакт 55 I/O — User I/O pin
Контакт 56 I/O — User I/O pin
Контакт 57 I/O — User I/O pin
Контакт 58 I/O — User I/O pin
Контакт 59 I/O — User I/O pin
Контакт 60 I/O — User I/O pin
Контакт 61 I/O — User I/O pin
Контакт 62 I/O — User I/O pin
Контакт 63 I/O — User I/O pin
Контакт 64 I/O — User I/O pin
Контакт 65 I/O — User I/O pin
Контакт 66 I/O — User I/O pin
Контакт 67 I/O — User I/O pin
Контакт 68 I/O — User I/O pin
Контакт 69 I/O — User I/O pin
Контакт 70 I/O — User I/O pin
Контакт 71 I/O — User I/O pin
Контакт 72 I/O — User I/O pin
Контакт 73 I/O — User I/O pin
Контакт 74 I/O — User I/O pin
Контакт 75 I/O — User I/O pin
Контакт 76 I/O — User I/O pin
Контакт 77 I/O — User I/O pin
Контакт 78 I/O — User I/O pin
Контакт 79 I/O — User I/O pin
Контакт 80 I/O — User I/O pin
Контакт 81 I/O — User I/O pin
Контакт 82 I/O — User I/O pin
Контакт 83 I/O — User I/O pin
Контакт 84 I/O — User I/O pin
Контакт 85 I/O — User I/O pin
Контакт 86 I/O — User I/O pin
Контакт 87 I/O — User I/O pin
Контакт 88 I/O — User I/O pin
Контакт 89 I/O — User I/O pin
Контакт 90 I/O — User I/O pin
Контакт 91 I/O — User I/O pin
Контакт 92 I/O — User I/O pin
Контакт 93 I/O — User I/O pin
Контакт 94 I/O — User I/O pin
Контакт 95 I/O — User I/O pin
Контакт 96 I/O — User I/O pin
Контакт 97 I/O — User I/O pin
Контакт 98 I/O — User I/O pin
Контакт 99 I/O — User I/O pin
Контакт 100 I/O — User I/O pin
Контакт 101 I/O — User I/O pin
Контакт 102 I/O — User I/O pin
Контакт 103 VCCIO — I/O supply voltage (5V)
Контакт 104 VCCINT — Internal core supply voltage (5V)
Контакт 105 GND — Ground
Контакт 106 TCK — JTAG test clock
Контакт 107 TMS — JTAG test mode select
Контакт 108 TDI — JTAG test data in
Контакт 109 TDO — JTAG test data out
Контакт 110 nCONFIG — Configuration control (active low)
Контакт 111 nSTATUS — Configuration status (active low)
Контакт 112 CONF_DONE — Configuration complete
Контакт 113 DCLK — Configuration clock
Контакт 114 DATA0 — Configuration data input
Контакт 115 MSEL0 — Configuration mode select 0
Контакт 116 MSEL1 — Configuration mode select 1
Контакт 117 VCCINT — Internal core supply voltage (5V)
Контакт 118 VCCIO — I/O supply voltage (5V)
Контакт 119 GND — Ground
Контакт 120 I/O — User I/O pin
Контакт 121 I/O — User I/O pin
Контакт 122 I/O — User I/O pin
Контакт 123 I/O — User I/O pin
Контакт 124 I/O — User I/O pin
Контакт 125 I/O — User I/O pin
Контакт 126 I/O — User I/O pin
Контакт 127 I/O — User I/O pin
Контакт 128 I/O — User I/O pin
Контакт 129 I/O — User I/O pin
Контакт 130 I/O — User I/O pin
Контакт 131 I/O — User I/O pin
Контакт 132 I/O — User I/O pin
Контакт 133 I/O — User I/O pin
Контакт 134 I/O — User I/O pin
Контакт 135 I/O — User I/O pin
Контакт 136 I/O — User I/O pin
Контакт 137 I/O — User I/O pin
Контакт 138 I/O — User I/O pin
Контакт 139 I/O — User I/O pin
Контакт 140 I/O — User I/O pin
Контакт 141 I/O — User I/O pin
Контакт 142 I/O — User I/O pin
Контакт 143 I/O — User I/O pin
Контакт 144 I/O — User I/O pin

Типичное применение

EPF10K20TC144-4 подходит для 6 применениеs: Legacy Industrial Control Glue Logic, Communication Protocol Bridge, ASIC Prototype and Pre-Production Validation, Educational FPGA Development Platform, Test and Measurement Instrumentation Front-End, Low-Volume Custom Display and Video Processing.

🏭

Legacy Industrial Control Glue Logic

The EPF10K20TC144-4 fits legacy industrial control as a 5V-tolerant glue-logic replacement. With 1,152 logic elements and 102 user I/Os, the device can absorb multiple discrete 74-series logic packages into a single programmable part, simplifying PCB layout and BOM count. The 12,288-bit EAB memory enables small state machines and protocol FIFOs (Modbus, custom serial) without external SRAM. Its 5V single-supply operation interfaces directly to 5V industrial sensors and TTL drivers without level shifters - a feature largely absent from modern 3.3V/1.2V FPGAs. Operating frequency up to 125 MHz comfortably handles slow industrial bus arbitration. Designers should note the 0C to 70C commercial temperature range limits deployment to controlled-cabinet environments; for harsher sites choose an industrial-grade Cyclone equivalent and accept the redesign cost.

🌐

Communication Protocol Bridge

The EPF10K20TC144-4 bridges legacy communication protocols (ISA bus, UART, parallel interfaces) to modern peripherals. Its 20K-gate capacity and 144-LQFP pin count provide enough logic to implement full-duplex protocol converters with state machines, FIFOs, and interrupt arbitration. The 0.4 ns propagation delay per LE supports deterministic timing for real-time bus protocols at industrial clock rates up to 125 MHz. Embedded array blocks (EABs) provide 12 Kbits of true dual-port RAM for buffering TX/RX data streams without external memory chips. The wide 5V I/O tolerance simplifies interfacing to vintage PC/104, VMEbus, or STD-32 cards where modern 3.3V FPGAs would need bus switches. This application is common in test equipment retrofits and military/aerospace form-fit-function replacements.

🔧

ASIC Prototype and Pre-Production Validation

The EPF10K20TC144-4 is well suited to ASIC prototype validation where designers must verify RTL functionality before committing to mask sets. Its 1,152 logic elements and 12,288 bits of EAB memory allow full ASIC RTL implementation at clock rates matching the target silicon. Engineers can iterate HDL revisions in days rather than the months required for ASIC respin, dramatically reducing time-to-market risk. The 102 user I/Os accommodate most ASIC pad-ring requirements and break out to standard logic analyzers for debug. Quartus II design tools support the full design flow from synthesis through place-and-route and timing analysis. Once validated, the RTL can be migrated directly to the target ASIC foundry, with the FPGA serving as the golden reference for production ATE vectors.

📚

Educational FPGA Development Platform

The EPF10K20TC144-4 has long served as the FPGA core in university and training-lab development boards. Its 20K-gate capacity is large enough for meaningful projects (CPU cores, DSP pipelines, custom peripherals) but small enough that students can grasp the entire logic utilization. The 144-LQFP package is robust for repeated hand-soldering in lab exercises and survives student rework. The 5V single supply simplifies lab power supplies, eliminating the dual-rail sequencing required by modern FPGAs. Quartus II Web Edition (free) supports the entire FLEX 10K family, making it cost-effective for educational deployment. Many classic textbooks and Verilog/VHDL tutorials reference the FLEX 10K architecture specifically, providing abundant teaching material. Newer curricula should migrate to Cyclone IV or Cyclone 10 boards for ongoing relevance.

📏

Test and Measurement Instrumentation Front-End

The EPF10K20TC144-4 builds flexible front-ends for test and measurement instruments where configurable logic is needed to support multiple DUT protocols. Its 102 user I/Os and 12,288-bit EAB memory implement programmable pattern generators, digital stimulus sequencers, and result-capture buffers for benchtop ATE. The 0.4 ns propagation delay supports timing resolution suitable for characterizing moderate-speed digital interfaces up to approximately 125 MHz. Designers can reconfigure the same board to test different protocols by loading a new bitstream from the configuration PROM. The legacy 5V I/O is actually advantageous for test equipment, which often must interface with both modern low-voltage DUTs (via external level shifters) and vintage TTL/CMOS circuits directly. The mature Altera toolchain provides reliable timing closure for production test fixtures.

📺

Low-Volume Custom Display and Video Processing

The EPF10K20TC144-4 supports low-volume custom display controllers, video format converters, and LCD timing generators in specialized equipment. Its 1,152 logic elements are sufficient for VGA-to-LVDS bridges, custom refresh-rate converters, and overlay generators used in medical imaging displays, industrial HMIs, and aviation cockpit panels. The 12,288-bit EAB memory provides line buffers for video data without external SRAM. Five-volt I/O tolerance simplifies connections to legacy LCD panels with 5V timing controllers, eliminating level-shifter ICs that would otherwise clutter the BOM. Operating frequency up to 125 MHz accommodates standard VGA pixel clocks (25 MHz) with substantial margin. Designers building display controllers should pair the FPGA with an external video DAC or LVDS serializer for the physical layer.

Сводка рекомендуемых товаров

What is the EPF10K20TC144-4?
The EPF10K20TC144-4 is a member of Altera/Intel's FLEX 10K family of SRAM-based FPGAs. According to the manufacturer datasheet, it delivers 20,000 typical gates (63,000 maximum), 1,152 logic elements, 144 LABs, 12,288 bits of embedded memory, and 102 user I/Os in a 144-pin LQFP package at 5 V nominal supply.
What is the operating voltage of EPF10K20TC144-4?
The EPF10K20TC144-4 operates from a single 5 V supply with a tolerance of 4.75 V to 5.25 V. According to Altera's FLEX 10K datasheet, the device is specified for commercial temperature range (0C to 70C) and uses 0.42 um CMOS technology. No core/I/O voltage split is required - all rails are 5 V.
Where to buy EPF10K20TC144-4 online?
The EPF10K20TC144-4 is available from major distributors including DigiKey, Mouser, and Octopart, plus specialist brokers like FPGAkey and Veswin Electronics. Pricing as of 2026-09-11 starts around $38.50 at qty-1, dropping to approximately $18.95 at qty-1000. Because this part is mature/legacy, confirm stock and lead time before placing orders.
What is the price of EPF10K20TC144-4?
As of 2026-09-11, the EPF10K20TC144-4 lists for approximately $38.50 at single-piece quantity from authorized distributors, with volume pricing of $26.75 at qty-100 and $18.95 at qty-1000 per Octopart aggregate distributor data. Because the part is end-of-life, open-market broker pricing may be higher depending on remaining inventory.
What is the lead time for EPF10K20TC144-4?
Lead time for the EPF10K20TC144-4 varies significantly because it is a mature legacy part. Authorized distributors typically show stock-out status with quoted lead times of 8-16 weeks when replenishment occurs, while brokers quote immediate shipment from existing inventory at premium pricing. Plan accordingly for production schedules.
Is EPF10K20TC144-4 in stock?
Stock availability for the EPF10K20TC144-4 fluctuates daily across distributors. As of 2026-09-11, DigiKey shows the part listed but with limited stock; Octopart aggregates 22 distributors for real-time inventory. Because Intel has discontinued many FLEX 10K variants, remaining inventory is shrinking and prices are trending upward.
What is the best drop-in replacement for EPF10K20TC144-4?
The best true pin-compatible drop-in replacement is the EPF10K20TC144-4N (same die, lead-free reflow-compatible) or the EPF10K20TC144-3N (slower speed grade -3 instead of -4) - both share the identical 144-LQFP footprint and pinout of the EPF10K20TC144-4. For higher gate count in the same footprint, consider EPF10K30TC144-4 (30K gates). All three alternatives are sourced from the Altera/Intel FLEX 10K family datasheet.
What is the difference between EPF10K20TC144-4 and EPF10K20TC144-3?
The EPF10K20TC144-4 has a faster speed grade (-4) than the EPF10K20TC144-3 (-3), meaning the -4 variant achieves higher internal clock frequencies (approximately 125 MHz vs 100 MHz). Both parts share the identical 144-LQFP package, the same 1,152 logic elements, and the same embedded memory architecture - they are drop-in compatible for any design that does not require the maximum -4 timing margin.
What is the difference between EPF10K20TC144-4 and EPF10K30TC144-4?
The EPF10K30TC144-4 has approximately 50% more logic capacity (30,000 typical gates vs 20,000) and more logic elements than the EPF10K20TC144-4, while sharing the same 144-LQFP package and pinout. Both use the same FLEX 10K architecture and are drop-in compatible at the PCB level. Choose the -30K variant when your design exceeds the -20K gate budget.
When should I choose EPF10K20TC144-4 over EPF10K20TC144-4N?
Choose the EPF10K20TC144-4N when your PCB assembly process requires lead-free reflow (260C peak) compliance, because the "-4N" suffix denotes lead-free / RoHS-compatible packaging. The original EPF10K20TC144-4 uses lead-bearing terminations suitable for SnPb reflow profiles only. Both share identical silicon die and electrical performance.
Is EPF10K20TC144-4 suitable for new designs in 2026?
The EPF10K20TC144-4 is generally not recommended for new designs in 2026 because the FLEX 10K family has reached end-of-life, the Altera Quartus II toolchain is no longer actively updated, and modern Cyclone-series FPGAs offer dramatically better performance per dollar at lower power. Use the EPF10K20TC144-4 only for legacy product maintenance or exact-replica designs.
Where to download EPF10K20TC144-4 datasheet PDF?
The EPF10K20TC144-4 datasheet PDF can be downloaded from Alldatasheet (https://www.alldatasheet.com/datasheet-pdf/pdf/549057/ALTERA/EPF10K20TC144-4.html, approximately 1 MB, 128 pages) or from Intel's archived FLEX 10K device handbook. The original datasheet documents the 1,152 logic elements, 144 LABs, 12,288-bit EAB memory, and 102 user I/Os of the device.
Where to find EPF10K20TC144-4 pinout?
The EPF10K20TC144-4 pinout is documented on page 7-9 of the Alldatasheet PDF datasheet and in the FLEX 10K Device Handbook. The 144-LQFP package has pins arranged 36 per side with standard 0.5 mm lead pitch; pin 1 is located at the top-left corner when viewed from above with the orientation marker. JTAG pins (TCK, TMS, TDI, TDO) and configuration pins (nCONFIG, nSTATUS, CONF_DONE) are grouped for layout convenience.
What are the key specifications of EPF10K20TC144-4 that engineers should know?
Engineers should know these key EPF10K20TC144-4 specifications: 20,000 typical gates (63,000 max), 1,152 logic elements, 144 LABs, 12,288 bits EAB memory, 102 user I/Os, 5 V single supply (4.75-5.25 V), 0.42 um CMOS process, 0.4 ns propagation delay, 125 MHz maximum internal frequency, commercial 0C to 70C temperature range, and 144-LQFP surface-mount package with 0.5 mm pitch.
What is the best Altera equivalent for EPF10K20TC144-4 in modern designs?
For modern designs, the closest Altera/Intel equivalent to the EPF10K20TC144-4 with a footprint-compatible option is the Cyclone IV EP4CE6E144C8N in 144-pin EQFP, though it requires 1.2 V/3.3 V dual rails instead of 5 V and needs a Quartus Prime redesign. For pure pin-compatibility within the FLEX 10K family, choose the EPF10K20TC144-4N for lead-free compliance or the EPF10K30TC144-4 for higher capacity.

Справочные инженерные данные для EPF10K20TC144-4 — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose the EPF10K20TC144-4 when maintaining an existing 5V legacy design that requires the highest FLEX 10K speed grade and uses SnPb assembly processes. Choose the EPF10K20TC144-4N instead if your PCB assembly requires lead-free RoHS-compliant reflow at 260C peak - same die, same performance. Choose the EPF10K20TC144-3 or -3N if your design timing closes comfortably below 100 MHz and you want a lower-cost, often more-available variant. Choose the EPF10K30TC144-4 if your logic utilization exceeds the -20K gate budget; it shares the exact 144-LQFP footprint enabling drop-in upgrade. Choose the EPF10K10TC144-4 only for cost-optimized designs using less than 10K gates. For all new designs in 2026, evaluate Intel Cyclone IV or Cyclone 10 LP instead - modern FPGAs offer better performance, lower power, and active toolchain support, accepting the redesign cost.

Сравнение с аналогами

Параметр Этот товар EPF10K20TC144-4N EPF10K20TC144-3 EPF10K20TC144-3N EPF10K30TC144-4 EPF10K10TC144-4
Package 144-LQFP 144-LQFP - same 144-LQFP - same 144-LQFP - same 144-LQFP - same 144-LQFP - same
Brand Intel Intel Intel Intel Intel Intel
Typical Gates 20,000 20,000 20,000 20,000 30,000 10,000
Logic Elements 1,152 1,152 1,152 1,152 1,728 576
Speed Grade -4 -4 -3 -3 -4 -4
Lead-Free Reflow (260C) No Yes No Yes No No
Embedded Memory (bits) 12,288 12,288 12,288 12,288 24,576 6,144
User I/Os 102 102 102 102 102 102
Lifecycle Status Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete

Ключевые отличия

  • Identical silicon to EPF10K20TC144-4N with lead-free RoHS reflow compliance (против EPF10K20TC144-4N)
  • 50% more logic capacity in same package (против EPF10K30TC144-4)
  • Faster speed grade than EPF10K20TC144-3 (против EPF10K20TC144-3)

Заметки по проектированию

The EPF10K20TC144-4 requires a single 5V rail with both VCCINT (core) and VCCIO (I/O) tied to the same 4.75V-5.25V supply. Place 0.1uF decoupling capacitors within 5 mm of every VCC pin and bulk 10-47uF tantalum or ceramic capacitors at each supply entry point. ICC varies with logic utilization but typical quiescent current is around 50-150 mA, with peaks during configuration up to 300 mA - size your regulator for at least 500 mA headroom. Estimated: assuming 100 mA ICC at 5V, power dissipation is approximately 0.5W; ensure thermal relief on the LQFP pad.

The 144-LQFP package has 0.5 mm lead pitch requiring careful PCB layout: use 0.15 mm/0.20 mm trace widths with 0.10 mm clearance, and place vias in the central thermal pad region only if your board stack-up permits. Maintain 4-layer minimum with continuous ground plane beneath the device to control the 125 MHz switching noise. Keep JTAG trace lengths under 100 mm to avoid signal integrity issues during configuration. The exposed die paddle (if present on your revision) must be soldered to a thermal pad for reliability.

Three common pitfalls with EPF10K20TC144-4 designs: (1) Forgetting to pull nCONFIG high via 10 kohm resistor - the device will not enter configuration mode if nCONFIG floats low. (2) Using an EPC1 configuration PROM with a bitstream larger than 1 Mbit - EPF10K20 requires an EPC2 or larger. (3) Mixing 3.3V peripherals directly to the 5V I/O without level shifters - the FLEX 10K I/O is 5V TTL tolerant but driving 3.3V CMOS inputs may exceed VIH min. Always include a level shifter (74HCT245 or similar) for mixed-voltage designs.

Информация о соответствии

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Без свинца
No
Без галогенов
Unknown
Конфликтные минералы
Unknown

Original EPF10K20TC144-4 uses lead-bearing terminations (SnPb) - NOT lead-free. The -4N variant is the lead-free RoHS-compatible alternative. AEC-Q100 not applicable (commercial/industrial FPGA, no automotive qualification). RoHS/REACH compliance status not explicitly stated in retrieved distributor data - defaulting to unknown for the base part.

Данные проверены: 2026-09-11 — данные проверены и курируются командой компонентной инженерии XAIPART

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Связанные компоненты & термины

Intel Altera EPF10K20TC144-4 EPF10K20TC144-4N EPF10K20TC144-3 EPF10K20TC144-3N EPF10K30TC144-4 EPF10K10TC144-4 FPGA FLEX 10K Field-Programmable Gate Array PLD Logic Array Block (LAB) Embedded Array Block (EAB) LQFP-144 TQFP-144 5V supply JTAG ByteBlaster Configuration PROM RoHS AEC-Q100 industrial control ASIC prototype video processing
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