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Intel

EPF10K20TI144-4 - 20K Gates FLEX 10K FPGA, 144-LQFP | Intel

Артикул: EPF10K20TI144-4 ⚠ Последняя закупка
В наличии Отправка в течение 1–3 рабочих дней
5 V Vdss 144-LQFP (TQFP), 1.27 mm pitch Package 125 MHz Speed 12,288 bits Memory
От $17.8 USD / шт.
MOQ: 1 |
Цена обновлена: 2026-09-11
Оптовые цены
Кол-во Цена за ед. Итого
1 $28.5 $28,50
10 $25.2 $252,00
100 $21.95 $2.195,00
500 $19.4 $9.700,00
1.000 $17.8 $17.800,00
ℹ️ Все цены указаны в USD

EPF10K20TI144-4 Обзор

The Intel (formerly Altera) EPF10K20TI144-4 is a member of the FLEX 10K family of SRAM-based Field-Programmable Gate Arrays (FPGAs), delivering approximately 20,000 equivalent gates and 1,152 logic cells in a 144-pin LQFP (TQFP) package. It is fabricated on a 0.42 µm CMOS process and operates from a 5 V core supply with MultiVolt I/O supporting mixed-voltage interfacing, making it suitable for legacy 5 V system designs as well as 3.3 V peripherals. The device is specified at the -4 speed grade with typical toggle performance near 125 MHz.

A Field-Programmable Gate Array (FPGA) is a reprogrammable logic device that combines programmable logic elements, interconnect, and dedicated function blocks such as block RAM, multipliers, or - in the FLEX 10K case - embedded array blocks (EABs). FPGAs occupy a position in the system hierarchy above discrete logic ICs (74-series glue logic) and below ASICs, offering ASIC-like density with the time-to-market advantage of in-system reprogrammability. FLEX 10K was Intel/Altera's first family to integrate embedded array blocks (EABs) for distributed dual-port RAM or ROM, which was a notable architectural step at its introduction.

Key features of the EPF10K20TI144-4 include 144 logic array blocks (LABs), 102 user I/O pins, six EABs providing up to 12,288 bits of on-chip memory, and PCI-compliant I/O with slew-rate control and pull-up clamping diodes. The MultiVolt I/O interface allows each bank to operate at a different voltage by tying VCCIO to the desired level. The device supports in-system programming via the serial configuration EPROM (EPC) interface, allowing designers to update firmware in the field without removing the device.

The FLEX 10K architecture combines a fine-grained sea-of-LABs structure with coarse-grained EABs for memory and DSP-style functions. Each LAB contains eight logic elements (LEs), each consisting of a 4-input look-up table, a programmable flip-flop, dedicated carry and cascade chains, and LAB-wide control signals. The 5 V tolerant inputs and programmable output slew rates simplify mixed-voltage interfacing with 3.3 V and 5 V buses, while the PCI pull-up clamping diode option enables compliance with the PCI bus electrical specification.

Typical applications for the EPF10K20TI144-4 include industrial control, communication bridges, PCI bus interfaces, glue-logic replacement, and prototyping of ASIC designs in telecom, instrumentation, and embedded systems. The 102 user I/Os make it well suited as a peripheral controller in 16/32-bit embedded platforms.

When designing with this device, ensure the configuration EPROM and JTAG chain are correctly wired and that VCCINT and VCCIO decoupling is local to each pin. For new designs, note that FLEX 10K is a legacy family approaching end-of-life; users should evaluate modern Cyclone or MAX 10 families for new projects.

This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers quickly assess the EPF10K20TI144-4 for both legacy support and cross-brand sourcing.

Аналоги без доработки для EPF10K20TI144-4 — 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 EPF10K20TI144-4 (тот же форм-фактор и посадочное место) — отличается по Package, Process Technology, Operating Temperature, Typical Gates, Configuration Interface.

Altera
Package: 144-LQFP (TQFP-144)
Process Technology: 0.42 micron CMOS
Operating Temperature: 0 C to 70 C (Commercial)
Сравнить с EPF10K20TI144-4 →
Intel
Package: TQFP-144 (Industrial, 22x22 mm)
Process Technology: 0.42 µm CMOS, SRAM-based
Typical Gates: 10K
Сравнить с EPF10K20TI144-4 →
Intel
Package: 144-LQFP (TQFP), 45 x 45 mm, 1.27 mm pitch
Process Technology: 0.42 um CMOS
Operating Temperature: 0C to 70C (commercial)
Сравнить с EPF10K20TI144-4 →
Altera
Package: 144-pin TQFP
Process Technology: 0.42 um CMOS
Operating Temperature: 0C to +70C (Commercial)
Сравнить с EPF10K20TI144-4 →
Altera
Package: 144-LQFP (TQFP) - 20 mm × 20 mm × 1.4 mm
Operating Temperature: 0 °C to 70 °C
Typical Gates: 20,000
Сравнить с EPF10K20TI144-4 →
Intel
Package: 144-TQFP
Typical Gates: 20,000 gates
Сравнить с EPF10K20TI144-4 →

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

EPF10K20TC144-4

✅ Прямая замена
Intel
📦 144-LQFP
FLEX 10K · 20,000 · 63,000 · 1,152 · 144 · 12,288 bits · 102 · 4.75 V to 5.25 V (5 V nominal)

✓ В наличии

$18.95 / шт.

Открыть даташит →

EPF10K20TI144-4N

✅ Прямая замена
Altera
📦 144-LQFP
FLEX 10K · FLEX-10K · 20,000 · 1,152 · 12,288 · 102 · 144 · 0.42 µm CMOS

✓ В наличии

$19.95 / шт.

Открыть даташит →

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 →

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 →

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 →

EPF10K10TI144-4

✅ Прямая замена
Intel
📦 144-LQFP
FLEX 10K · 576 · 10K · 72 · 3 · 6,144 bits · 102 · 5.0 V

✓ В наличии

$2.95 / шт.

Открыть даташит →

EPF10K20TI144-4 Максимальные параметры и электрические характеристики

Series FLEX 10K
Family FLEX 10K
Logic Elements / Cells 1,152 cells
Equivalent Gates 20,000 gates
Number of LABs 144
Number of EABs 6
Embedded Memory (EAB) 12,288 bits
User I/Os 102
Operating Frequency (typ.) 125 MHz
Process Technology 0.42 µm CMOS
Core Supply Voltage (VCCINT) 5 V
I/O Supply Voltage (VCCIO) 3.3 V or 5 V (MultiVolt)
Speed Grade -4
Диапазон рабочих температур -40 °C to +85 °C (Industrial)
Корпус 144-LQFP (TQFP), 1.27 mm pitch
Тип монтажа Surface Mount

Конфигурация выводов EPF10K20TI144-4

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-dependent VCCIO)
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 GND — Ground
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 VCCINT — 5 V core supply
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 GND — Ground
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 VCCIO — I/O supply (3.3 V or 5 V)
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 GND — Ground
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 VCCIO — I/O supply (3.3 V or 5 V)
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 GND — Ground
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 VCCIO — I/O supply (3.3 V or 5 V)
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 GND — Ground
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 VCCIO — I/O supply (3.3 V or 5 V)
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 GND — Ground
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 VCCIO — I/O supply (3.3 V or 5 V)
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 I/O — User I/O pin
Контакт 104 GND — Ground
Контакт 105 DATA0 — Configuration data input
Контакт 106 nCONFIG — Configuration control (active-low)
Контакт 107 nSTATUS — Configuration status (active-low)
Контакт 108 CONF_DONE — Configuration done indicator
Контакт 109 MSEL0 — Configuration mode select 0
Контакт 110 MSEL1 — Configuration mode select 1
Контакт 111 TCK — JTAG test clock
Контакт 112 TMS — JTAG test mode select
Контакт 113 TDO — JTAG test data out
Контакт 114 TDI — JTAG test data in
Контакт 115 DEV_OE — Device-wide output enable (active-low)
Контакт 116 DEV_CLRn — Device-wide clear (active-low)
Контакт 117 CLK0 — Dedicated clock input 0
Контакт 118 CLK1 — Dedicated clock input 1
Контакт 119 IN0 — Dedicated input 0 (fast input)
Контакт 120 IN1 — Dedicated input 1 (fast input)
Контакт 121 VCCINT — 5 V core supply
Контакт 122 GND — Ground
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 GND — Ground
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 VCCIO — I/O supply (3.3 V or 5 V)
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 GND — Ground
Контакт 144 I/O — User I/O pin

Типичное применение

EPF10K20TI144-4 подходит для 7 применениеs: Industrial Control & PLC Logic, PCI Bus Interface & Bridging, Communication Bridge & Protocol Converter, ASIC Prototyping & Design Verification, Test & Measurement Instrumentation, Legacy Board Repair & Sustaining Engineering, Glue Logic & Chip-Set Integration.

🏭

Industrial Control & PLC Logic

The EPF10K20TI144-4 fits industrial PLC and machine-control applications because it offers 1,152 logic cells and 102 user I/Os in a 144-LQFP package that is tolerant of factory-floor temperatures from -40 °C to +85 °C (industrial grade). Engineers typically instantiate the device as a glue-logic hub, encoder-counter interface, and PWM/PIO controller between a microcontroller and discrete I/O. The MultiVolt I/O bank allows direct connection to legacy 5 V drivers while simultaneously driving 3.3 V logic on a separate bank, eliminating external level shifters. With six EABs providing 12,288 bits of dual-port RAM, the device can buffer FIFO streams from high-speed encoders or implement PID-loop lookup tables in hardware. The 144-LQFP package is also hand-solderable and reworkable, an advantage for sustaining-engineering repair.

🖥️

PCI Bus Interface & Bridging

The EPF10K20TI144-4 is well suited for PCI bus interface designs because its 5 V PCI-compliant I/O option with slew-rate control and pull-up clamping diode satisfies the PCI electrical specification. Engineers use the 102 available I/Os to implement a 32-bit PCI target or master bridge between the PCI bus and a local bus or memory. The device's 125 MHz toggle frequency and -4 speed grade are sufficient for 33 MHz PCI operation, the most common embedded implementation. The MultiVolt I/O banks let the device drive 5 V PCI on one bank and a 3.3 V local bus on another, simplifying mixed-voltage board designs. The 12,288 bits of embedded RAM can be used as a small PCI configuration space plus scatter-gather FIFO buffers, reducing external memory cost.

🌐

Communication Bridge & Protocol Converter

The EPF10K20TI144-4 is commonly deployed as a serial-protocol bridge in telecom and industrial networking equipment, where its 1,152 logic cells implement UART, SPI, I²C, and proprietary serial state machines concurrently. Its 102 I/Os accommodate multiple independent channels (e.g. four UARTs plus parallel status/control signals) without external bus switches. The EAB-based dual-port RAM allows two clock-domain subsystems to share data buffers without external FIFOs, an important consideration for async serial-to-parallel conversion. The industrial temperature grade ensures the device operates in outdoor enclosures and uncontrolled switch rooms. MultiVolt I/O allows direct connection to legacy 5 V PHYs and 3.3 V processors in the same board.

🔧

ASIC Prototyping & Design Verification

The EPF10K20TI144-4 has long been used as an ASIC prototyping vehicle because its FLEX 10K architecture supports rapid iteration: designers can compile and test gate-level netlists in real silicon at speeds approaching 125 MHz before committing to an ASIC mask set. The 20,000-equivalent-gate logic capacity is large enough to fit typical peripheral or glue-logic ASIC designs, and the 144-LQFP package exposes enough I/Os to wire out realistic peripheral interfaces. Engineers also leverage the FLEX 10K's 5 V tolerance to mimic legacy ASIC environments that no longer map cleanly to 3.3 V FPGAs. Six EABs provide flexible on-chip RAM for ASIC testbench stimulus generators and result collectors. The ByteBlasterMV JTAG chain also enables in-system reprogramming during overnight regression tests.

📺

Test & Measurement Instrumentation

The EPF10K20TI144-4 fits digital test and measurement front-ends because its MultiVolt I/O banks accept signals from 5 V and 3.3 V instrument buses without external level translation. The 102 I/Os accommodate dense parallel probe interfaces, switch matrices, and trigger distribution. Engineers use the EABs as deep capture buffers or pattern-generator lookup tables, while the 1,152 logic cells implement state-machine sequencers for test routines. The -4 speed grade's 125 MHz toggle rate supports 50-100 MHz pattern generators. Industrial temperature rating is critical for portable instruments used in field service environments. The 144-LQFP package is also straightforward to integrate with manual front-panel PCBs.

🎥

Legacy Board Repair & Sustaining Engineering

The EPF10K20TI144-4 is a primary choice for legacy board repair and sustaining-engineering refurbishment of installed telecom, industrial, and military equipment designed in the late 1990s and early 2000s. The pin-compatible EPF10K20TC144-4 (commercial temp), EPF10K20TI144-4N (lead-free), and EPF10K20TC144-4N (commercial + lead-free) variants enable repairs to multiple temperature and compliance requirements without PCB rework. The device's mature MAX+PLUS II / Quarters toolchain means existing bitstreams can be reloaded directly into replacement parts. Because the FLEX 10K family is on Last Time Buy / obsolete status with Intel, sourcing ahead and qualifying substitutes is critical. The 144-LQFP package is also reworkable with conventional hot-air stations.

📱

Glue Logic & Chip-Set Integration

The EPF10K20TI144-4 is well suited to ASIC/ASSP glue-logic integration because its 1,152 logic cells and 6 EABs (12,288 bits RAM) easily absorb the address decoding, wait-state generation, and bus arbitration that historically required 74-series TTL gates. Its 102 I/Os accommodate the wide buses and individual control signals typical of chipset bridging, while MultiVolt I/O permits direct interfacing to both 5 V and 3.3 V bus partners. The 144-LQFP package sits comfortably between the larger BGA ASICs and smaller peripheral chips on the motherboard, simplifying layout. The FLEX 10K's JTAG-supported in-system programming allows post-assembly board configuration changes during integration testing, reducing respins.

What family and architecture does the EPF10K20TI144-4 belong to?
The EPF10K20TI144-4 belongs to the FLEX 10K family of SRAM-based Field-Programmable Gate Arrays (FPGAs) from Intel (formerly Altera). It features the embedded array block (EAB) architecture that combines distributed logic elements (LEs) with on-chip memory blocks for dual-port RAM or ROM. The FLEX 10K family was Intel/Altera's first to integrate embedded memory and remains a recognized legacy platform for industrial and telecom designs.
How many logic cells, LABs, and user I/Os does the EPF10K20TI144-4 have?
The EPF10K20TI144-4 contains 1,152 logic cells (often called logic elements or LEs), organized into 144 logic array blocks (LABs) of eight LEs each. It also includes six embedded array blocks (EABs) providing 12,288 bits of dual-port RAM or ROM, and exposes 102 user I/O pins. This gives roughly 20,000 equivalent gates of usable logic, suitable for glue-logic replacement, peripheral controllers, and small to mid-complexity state machines.
What is the operating voltage of the EPF10K20TI144-4?
The EPF10K20TI144-4 runs on a 5 V core supply (VCCINT) and supports MultiVolt I/O, allowing VCCIO to be tied to either 3.3 V or 5 V. This lets a single FPGA drive both legacy 5 V and modern 3.3 V peripherals on different I/O banks. According to the FLEX 10K datasheet, 5 V-tolerant inputs are standard and the 5 V PCI compliant output option is selectable pin-by-pin.
Is the EPF10K20TI144-4 still in production, and what is its lifecycle status?
The EPF10K20TI144-4 is in Last Time Buy / obsolete status with Intel, since the FLEX 10K family was discontinued years ago and remaining inventory is channel-only. As of 2026-09-11, Heisener shows ~in stock and AiPCBA continues to ship the part. For new designs, Intel recommends migrating to the MAX 10 or Cyclone 10 LP family, but the EPF10K20TI144-4 remains a viable drop-in for legacy board repair and sustaining engineering.
Where can I buy the EPF10K20TI144-4 and what is the current price?
The EPF10K20TI144-4 is available from authorized distributors including Heisener, Jotrin, Veswin, and IC-Components, with stock quantities between roughly 6,000 and 16,000 pieces as of 2026-09-11. The DigiKey listing is for the -4N (industrial) variant. Quoted unit pricing as of 2026-09-11 is in the $17-30 range depending on quantity break, with 1-piece pricing around $28.50. Lead time is typically 1-2 weeks.
What is the lead time for the EPF10K20TI144-4?
The EPF10K20TI144-4 lead time as of 2026-09-11 is approximately 1-2 weeks through Heisener, with the option to ship immediately from in-channel stock. Veswin and IC-Components also list immediate shipment on the -4N variant. Because the part is on Last Time Buy / obsolete status, future lead times may extend significantly as inventory depletes - sourcing ahead for sustaining engineering is recommended.
What is the difference between EPF10K20TI144-4 and EPF10K20TI144-4N?
The trailing -N suffix on EPF10K20TI144-4N designates compliance with lead-free / Pb-free assembly requirements. Both parts share the same die, package (144-LQFP), and electrical parameters. The standard -4 part may use lead-bearing solder balls/terminations while the -4N uses matte tin or NiPdAu lead-free plating. Either can be socketed or soldered to the same PCB footprint, but RoHS-restricted production lines must select the -4N variant.
What is the difference between EPF10K20TI144-4 and EPF10K20TC144-4?
The EPF10K20TC144-4 differs from the EPF10K20TI144-4 in operating temperature grade: the -TC variant is commercial (0 to 70 °C) while the -TI variant is industrial (-40 to 85 °C). Both parts share the same die, the same 144-LQFP package footprint, and the same -4 speed grade, so they are drop-in compatible at the PCB level. Choose -TI for industrial, automotive-tolerated, or extended-temperature environments; -TC is sufficient for indoor commercial equipment.
Can the EPF10K20TC144-4 be used as a drop-in replacement for EPF10K20TI144-4?
The EPF10K20TC144-4 is drop-in pin-compatible with the EPF10K20TI144-4 in the 144-LQFP package, sharing the same 1,152 cells, 102 I/Os, and -4 speed grade. The only functional difference is the operating temperature window: TC is 0 to 70 °C commercial, while TI is -40 to 85 °C industrial. For commercial-temperature end products it is a perfect drop-in; for industrial-temperature products the -TC variant will fail below 0 °C.
What is the best Altera / Intel drop-in replacement for the EPF10K20TI144-4?
The best drop-in replacements for the EPF10K20TI144-4 are the EPF10K20TC144-4 (commercial temperature), the EPF10K20TC144-4N (commercial + lead-free), and the EPF10K20TI144-4N (industrial + lead-free), all in the 144-LQFP package. For functional substitution with more logic capacity in the same footprint, the EPF10K30 or EPF10K50 families in 144-pin packages are alternative FLEX 10K options, but they require re-routing for higher core current.
Is there a Xilinx equivalent or cross-brand alternative for the EPF10K20TI144-4?
There is no pin-compatible Xilinx equivalent to the EPF10K20TI144-4, since FLEX 10K uses Altera's proprietary configuration scheme and pinout. Cross-brand functional equivalents in the same density class include the Xilinx XC4010E/XC4020E or Spartan-II XC2S30 in similar TQFP packages, but these are not drop-in replacements and require PCB rework, bitstream re-synthesis, and recompilation with the vendor's toolchain. They are functional substitutes only, not drop-ins.
Where can I download the EPF10K20TI144-4 datasheet PDF?
The EPF10K20TI144-4 datasheet PDF can be downloaded from alternasemi.com at https://www.alterasemi.com/datasheet/alterasemi/EPF10K20TI144-4N.pdf and from fpga-key.com / aipcba.com. The official Altera/Intel FLEX 10K datasheet family document (approximately 128 pages per the AiPCBA listing) covers the full EPF10K20 family in TQFP and BGA packages including pinout, DC characteristics, and configuration details.
Where can I find the EPF10K20TI144-4 pinout?
The EPF10K20TI144-4 pinout is documented in the FLEX 10K datasheet on the 144-LQFP (TQFP) package diagram, page numbering varies by document revision. The package uses 1.27 mm pitch gull-wing leads on a 20 mm × 20 mm body. The pin assignment table lists each of the 102 user I/Os, plus VCCINT, VCCIO, GND, JTAG (TCK/TMS/TDO/TDI), configuration (nCONFIG, nSTATUS, CONF_DONE, MSELx, DATA0), and dedicated clock/Dedicated inputs pins.
What are the key specifications of EPF10K20TI144-4 that engineers should know?
The EPF10K20TI144-4 key specifications are: 20,000 equivalent gates, 1,152 logic cells, 144 LABs, 6 EABs / 12,288 bits RAM, 102 user I/Os, 125 MHz typical toggle frequency, 0.42 µm CMOS process, 5 V VCCINT, MultiVolt I/O supporting 3.3 V or 5 V VCCIO, -4 speed grade, industrial temperature range -40 to 85 °C, and 144-LQFP package with 1.27 mm pitch. The MultiVolt I/O and embedded array blocks are the two architectural differentiators vs older MAX 7000 and competitor FPGAs of the era.
Which configuration EPROM does the EPF10K20TI144-4 use?
The EPF10K20TI144-4 uses a serial configuration EPROM from the Altera EPC1, EPC2, or EPC8 family. The configuration bitstream is loaded serially via the MSEL, nCONFIG, nSTATUS, CONF_DONE, and DATA0 pins. The EPC8 supports 8 Mbit density which is sufficient for the EPF10K20 bitstream. JTAG programming via the ByteBlasterMV cable is also supported for in-system programming and the JTAG boundary-scan chain.

Справочные инженерные данные для EPF10K20TI144-4 — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose the EPF10K20TI144-4 for industrial-temperature (-40 to 85 °C) FPGA designs in legacy or sustaining-engineering projects requiring 20K gates and 102 I/Os in a 144-LQFP package on a line that accepts lead-bearing finishes. Choose the EPF10K20TI144-4N (drop-in, 100% match) for the same design on a RoHS / Pb-free line. Choose the EPF10K20TC144-4 or EPF10K20TC144-4N when the end product is commercial-temperature only (0 to 70 °C) - they are 90% matched drops-ins but do not extend below 0 °C. For lower-density designs (~10K gates) use the EPF10K10 family in the same 144-LQFP footprint - the pinout is largely compatible but only ~66 I/Os are bonded out, making this an 80% match. For new designs, Intel recommends the MAX 10 or Cyclone 10 LP family rather than continuing to specify the FLEX 10K Last Time Buy parts.

Сравнение с аналогами

Параметр Этот товар EPF10K20TC144-4 EPF10K20TI144-4N EPF10K20TC144-4N EPF10K10TC144-4N
Package 144-LQFP (TQFP) 144-LQFP (TQFP) - same 144-LQFP (TQFP) - same 144-LQFP (TQFP) - same 144-LQFP (TQFP) - same
Brand Intel (formerly Altera) Intel (formerly Altera) Intel (formerly Altera) Intel (formerly Altera) Intel (formerly Altera)
Logic Cells 1,152 1,152 1,152 1,152 576 (-50%)
Equivalent Gates 20,000 20,000 20,000 20,000 10,000 (-50%)
Embedded Memory (EAB) 12,288 bits 12,288 bits 12,288 bits 12,288 bits 6,144 bits (-50%)
User I/Os 102 102 102 102 ~66 (-35%)
Operating Temperature -40 °C to +85 °C (Industrial) 0 °C to +70 °C (Commercial) -40 °C to +85 °C (Industrial) 0 °C to +70 °C (Commercial) 0 °C to +70 °C (Commercial)
Lead-Free Finish No (standard Pb finish) No Yes (Pb-free / -N) Yes (Pb-free / -N) Yes (Pb-free / -N)
Speed Grade -4 -4 -4 -4 -4

Ключевые отличия

  • Industrial temperature grade (-40 to 85 °C) (против EPF10K20TC144-4)
  • Full 20K-gate capacity and 102 user I/Os (против EPF10K10TI144-4N)
  • Mature FLEX 10K EAB architecture with embedded dual-port RAM (против EPC8QC100 (configuration EPROM only))

Заметки по проектированию

Decouple VCCINT and VCCIO locally at every supply pin of the 144-LQFP package; recommended values are 0.1 µF ceramic in parallel with 10 µF tantalum or polymer per pin. The MultiVolt I/O scheme means VCCIO and VCCINT are independent and each bank may run at 3.3 V or 5 V - apply VCCIO only after VCCINT is stable to avoid I/O latch-up. Estimated: at 125 MHz toggle activity the FLEX 10K core draws roughly 200-300 mA at 5 V, so size the 5 V regulator for 500 mA continuous plus margin.

Route configuration signals (nCONFIG, nSTATUS, CONF_DONE, MSEL, DATA0) away from high-frequency switching I/O and away from clock traces to avoid noise-induced configuration failure. Place the EPC8 configuration EPROM within 2 inches of the FPGA, and add 33 Ω series damping resistors on DATA0, TCK, TMS, TDO, TDI if the JTAG chain is more than 6 inches long. The 144-LQFP package has exposed lead frames only - no thermal pad - so do not rely on the package for heatsinking.

Do not select the EPF10K20TC144-4 (commercial) as a replacement for the EPF10K20TI144-4 (industrial) in outdoor or factory-floor equipment - the commercial variant is only specified 0 to 70 °C and may fail below 0 °C. Likewise, do not use the standard lead-bearing EPF10K20TI144-4 on a RoHS-only production line; use EPF10K20TI144-4N instead. The 5 V VCCINT is non-negotiable - this is not a 3.3 V part, and 3.3 V on VCCINT will prevent configuration. Finally, ensure MSEL[1:0] are tied to the correct logic level for the chosen configuration mode (EPC serial, JTAG, or PS).

Информация о соответствии

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

The EPF10K20TI144-4 (without the -N suffix) is the standard lead-bearing finish variant. RoHS and REACH status not confirmed in the verified web data - use the EPF10K20TI144-4N for RoHS-restricted production lines. FPGAs are not AEC-Q100 qualified components; this part is not intended for automotive safety-critical applications.

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

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Связанные компоненты & термины

Intel Altera EPF10K20TI144-4 EPF10K20TC144-4 EPF10K20TI144-4N EPF10K20TC144-4N EPF10K10TC144-4N EPF10K10TI144-4 FLEX 10K FPGA Field-Programmable Gate Array embedded array block EAB LAB logic element 144-LQFP TQFP MultiVolt I/O PCI EPC8QC100 ByteBlasterMV JTAG 5V tolerant 0.42 µm CMOS lead-free / Pb-free industrial temperature grade commercial temperature grade
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