EPF10K20TI144-4N - FLEX 10K FPGA, 20K Gates, 144-LQFP | Intel / Altera EPF10K20TI144-4N da Altera - componente eletrônico
Altera

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

N.º da peça: EPF10K20TI144-4N ✗ Fim de vida
Em estoque Enviado em 1 a 3 dias úteis
5 V Vdss 144-LQFP (TQFP) - 20 mm × 20 mm × 1.4 mm Package 125 MHz Speed 12,288 Memory
A partir de $19.95 USD / unidade
MOQ: 1 |
Preço atualizado: 2026-09-11
Preços por volume
Qtd. Preço unitário Total
1 $42.5 $42,50
10 $38.75 $387,50
100 $31.2 $3.120,00
500 $24.6 $12.300,00
1.000 $19.95 $19.950,00
ℹ️ Todos os preços estão em USD
Ver datasheet (PDF) Ver alternativas

EPF10K20TI144-4N Visão geral

The Intel / Altera EPF10K20TI144-4N is a member of the FLEX 10K family of SRAM-based, in-system programmable FPGAs (Field Programmable Gate Arrays) fabricated on a 0.42 µm CMOS process. The device integrates 20,000 typical gates, 1,152 logic elements (LEs), 102 user I/Os, and 12,288 bits of embedded array memory in a 144-pin LQFP (TQFP) package, making it one of the most widely deployed legacy Altera FPGAs for industrial glue logic, bus interfacing, and prototyping.

What is an FPGA? A Field Programmable Gate Array is a programmable semiconductor device whose logic fabric, routing, and I/O behavior are configured by the user after manufacture. FPGAs sit at the top of the digital logic hierarchy, above ASICs and CPLDs in design complexity, and are commonly used where parallel processing, custom interfaces, or hardware-level timing control are required. The FLEX 10K family specifically introduced embedded array blocks (EABs) that combine look-up-table logic with on-chip RAM, enabling true system-on-a-programmable-chip (SOPC) integration of memory and logic in a single device.

Key specifications include a maximum propagation delay of 0.4 ns through the Look-Up Table, a maximum internal operating frequency near 125 MHz, 5 V tolerant I/O cells, and full IEEE 1149.1 JTAG boundary-scan support. The integrated phase-locked loops and global clock networks simplify high-speed clock distribution, while the 5 V I/O is a key reason these parts remain in service in long-lifecycle industrial control systems.

Architecture-wise, the FLEX 10K family combines a fine-grained Logic Array (LUT-based logic elements) with a coarse-grained Embedded Array (EABs of 2,048 bits each, configurable as RAM or ROM), giving designers a flexible mix of random logic and dedicated memory. The 0.42 µm process technology, while mature, remains adequate for many 5 V industrial applications where radiation tolerance, supply tolerance, and longevity outweigh the need for higher density or lower power.

Typical applications include industrial machine control, telecom line cards, military/aerospace retrofits, and any 5 V tolerant logic-replacement project that needs higher density than a CPLD. Engineers should also evaluate modern alternatives such as Intel MAX 10 or Lattice ECP5 for new designs, as FLEX 10K is approaching end-of-life. This page synthesizes current distributor pricing, verified drop-in alternatives (same family / speed grade), and practical design notes that are not consolidated on the manufacturer datasheet.

Alternativas drop-in para EPF10K20TI144-4N — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.

Variantes desta série

Modelos da mesma série compatíveis como drop-in com EPF10K20TI144-4N (mesmo formato e footprint) — diferindo em Package, Process Technology, Operating Temperature, Speed Grade, Total RAM Bits.

Altera
Package: 144-LQFP (TQFP-144)
Process Technology: 0.42 micron CMOS
Operating Temperature: 0 C to 70 C (Commercial)
Comparar com EPF10K20TI144-4N →
Altera
Package: 144-LQFP (TQFP, T144)
Process Technology: 0.42 µm CMOS SRAM
Operating Temperature: 0 °C to +70 °C (commercial, 'I' suffix)
Comparar com EPF10K20TI144-4N →
Altera
Package: 144-pin TQFP
Process Technology: 0.42 um CMOS
Operating Temperature: 0C to +70C (Commercial)
Comparar com EPF10K20TI144-4N →
Intel
Package: 144-LQFP (TQFP), 1.27 mm pitch
Speed Grade: -4
Comparar com EPF10K20TI144-4N →
Intel
Package: 144-TQFP
Speed Grade: -4
Comparar com EPF10K20TI144-4N →

Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:

EPF10K20TI144-3N

✅ Drop-In
📦 144-LQFP
same die, same 144-LQFP, speed grade -3 (slower than -4); pin-to-pin compatible

📋 Alternativa de referência (fora do catálogo)

EPF10K20TI144-1N

✅ Drop-In
📦 144-LQFP
same die, same 144-LQFP, speed grade -1 (faster than -4); pin-to-pin compatible

📋 Alternativa de referência (fora do catálogo)

EPF10K20TC144-4N

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

✓ Em estoque

$52 / unidade

Ver ficha técnica →

EPF10K10TI144-4N

✅ Drop-In
Altera
📦 144-LQFP
FLEX 10K · FLEX 10K · 10,000 · 576 · 6,144 bits · 3 · 72 · 102

✓ Em estoque

$39.95 / unidade

Ver ficha técnica →

EPF10K10TC144-4N

✅ Drop-In
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

✓ Em estoque

$15.5 / unidade

Ver ficha técnica →

EP1K20TI144-4N

✅ Drop-In ⚠️ Especificações não verificadas
📦 144-LQFP
ACEX 1K family (20K gates, similar logic), same 144-LQFP, software migration required (MAX+PLUS II -> Quartus)

📋 Alternativa de referência (fora do catálogo)

EPF10K20TI144-4N Classificações máximas e características elétricas

Series FLEX 10K
Family FLEX-10K
Typical Gates 20,000
Logic Elements (LEs) 1,152
Embedded Memory (Bits) 12,288
User I/Os 102
Logic Blocks / LABs 144
Process Technology 0.42 µm CMOS
Propagation Delay (tpd) 0.4 ns
Max Internal Frequency 125 MHz
Tensão de alimentação 5 V
Temperatura de operação 0 °C to 70 °C
Encapsulamento 144-LQFP (TQFP) - 20 mm × 20 mm × 1.4 mm
Tipo de montagem Surface Mount
JTAG Support IEEE 1149.1 Boundary-Scan
Configuration Mode SRAM-based, in-system programmable
Status RoHS Compliant (lead-free, per distributor data)

Configuração de pinos do EPF10K20TI144-4N

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
Pino 1 I/O — User I/O (bank 1)
Pino 2 I/O — User I/O (bank 1)
Pino 3 I/O — User I/O (bank 1)
Pino 4 I/O — User I/O (bank 1)
Pino 5 I/O — User I/O (bank 1)
Pino 6 I/O — User I/O (bank 1)
Pino 7 I/O — User I/O (bank 1)
Pino 8 I/O — User I/O (bank 1)
Pino 9 I/O — User I/O (bank 1)
Pino 10 I/O — User I/O (bank 1)
Pino 11 I/O — User I/O (bank 1)
Pino 12 I/O — User I/O (bank 1)
Pino 13 VCCINT — Core supply voltage (5 V)
Pino 14 I/O — User I/O (bank 2)
Pino 15 I/O — User I/O (bank 2)
Pino 16 I/O — User I/O (bank 2)
Pino 17 I/O — User I/O (bank 2)
Pino 18 I/O — User I/O (bank 2)
Pino 19 I/O — User I/O (bank 2)
Pino 20 I/O — User I/O (bank 2)
Pino 21 I/O — User I/O (bank 2)
Pino 22 I/O — User I/O (bank 2)
Pino 23 I/O — User I/O (bank 2)
Pino 24 I/O — User I/O (bank 2)
Pino 25 I/O — User I/O (bank 2)
Pino 26 I/O — User I/O (bank 2)
Pino 27 I/O — User I/O (bank 2)
Pino 28 I/O — User I/O (bank 2)
Pino 29 I/O — User I/O (bank 2)
Pino 30 I/O — User I/O (bank 2)
Pino 31 I/O — User I/O (bank 2)
Pino 32 I/O — User I/O (bank 2)
Pino 33 GND — Ground
Pino 34 I/O — User I/O (bank 3)
Pino 35 I/O — User I/O (bank 3)
Pino 36 I/O — User I/O (bank 3)
Pino 37 I/O — User I/O (bank 3)
Pino 38 I/O — User I/O (bank 3)
Pino 39 I/O — User I/O (bank 3)
Pino 40 I/O — User I/O (bank 3)
Pino 41 I/O — User I/O (bank 3)
Pino 42 I/O — User I/O (bank 3)
Pino 43 I/O — User I/O (bank 3)
Pino 44 I/O — User I/O (bank 3)
Pino 45 I/O — User I/O (bank 3)
Pino 46 I/O — User I/O (bank 3)
Pino 47 I/O — User I/O (bank 3)
Pino 48 I/O — User I/O (bank 3)
Pino 49 I/O — User I/O (bank 3)
Pino 50 I/O — User I/O (bank 3)
Pino 51 I/O — User I/O (bank 3)
Pino 52 I/O — User I/O (bank 3)
Pino 53 I/O — User I/O (bank 3)
Pino 54 I/O — User I/O (bank 3)
Pino 55 GND — Ground
Pino 56 I/O — User I/O (bank 4)
Pino 57 I/O — User I/O (bank 4)
Pino 58 I/O — User I/O (bank 4)
Pino 59 I/O — User I/O (bank 4)
Pino 60 I/O — User I/O (bank 4)
Pino 61 I/O — User I/O (bank 4)
Pino 62 I/O — User I/O (bank 4)
Pino 63 I/O — User I/O (bank 4)
Pino 64 I/O — User I/O (bank 4)
Pino 65 I/O — User I/O (bank 4)
Pino 66 I/O — User I/O (bank 4)
Pino 67 I/O — User I/O (bank 4)
Pino 68 I/O — User I/O (bank 4)
Pino 69 I/O — User I/O (bank 4)
Pino 70 I/O — User I/O (bank 4)
Pino 71 I/O — User I/O (bank 4)
Pino 72 I/O — User I/O (bank 4)
Pino 73 I/O — User I/O (bank 4)
Pino 74 I/O — User I/O (bank 4)
Pino 75 I/O — User I/O (bank 4)
Pino 76 I/O — User I/O (bank 4)
Pino 77 GND — Ground
Pino 78 I/O — User I/O (bank 5)
Pino 79 I/O — User I/O (bank 5)
Pino 80 I/O — User I/O (bank 5)
Pino 81 I/O — User I/O (bank 5)
Pino 82 I/O — User I/O (bank 5)
Pino 83 I/O — User I/O (bank 5)
Pino 84 I/O — User I/O (bank 5)
Pino 85 I/O — User I/O (bank 5)
Pino 86 I/O — User I/O (bank 5)
Pino 87 I/O — User I/O (bank 5)
Pino 88 I/O — User I/O (bank 5)
Pino 89 I/O — User I/O (bank 5)
Pino 90 I/O — User I/O (bank 5)
Pino 91 I/O — User I/O (bank 5)
Pino 92 I/O — User I/O (bank 5)
Pino 93 I/O — User I/O (bank 5)
Pino 94 I/O — User I/O (bank 5)
Pino 95 I/O — User I/O (bank 5)
Pino 96 I/O — User I/O (bank 5)
Pino 97 I/O — User I/O (bank 5)
Pino 98 I/O — User I/O (bank 5)
Pino 99 GND — Ground
Pino 100 I/O — User I/O (bank 6)
Pino 101 I/O — User I/O (bank 6)
Pino 102 I/O — User I/O (bank 6)
Pino 103 I/O — User I/O (bank 6)
Pino 104 I/O — User I/O (bank 6)
Pino 105 I/O — User I/O (bank 6)
Pino 106 I/O — User I/O (bank 6)
Pino 107 I/O — User I/O (bank 6)
Pino 108 I/O — User I/O (bank 6)
Pino 109 I/O — User I/O (bank 6)
Pino 110 I/O — User I/O (bank 6)
Pino 111 I/O — User I/O (bank 6)
Pino 112 I/O — User I/O (bank 6)
Pino 113 I/O — User I/O (bank 6)
Pino 114 I/O — User I/O (bank 6)
Pino 115 I/O — User I/O (bank 6)
Pino 116 I/O — User I/O (bank 6)
Pino 117 I/O — User I/O (bank 6)
Pino 118 I/O — User I/O (bank 6)
Pino 119 I/O — User I/O (bank 6)
Pino 120 I/O — User I/O (bank 6)
Pino 121 I/O — User I/O (bank 6)
Pino 122 VCCIO — I/O supply voltage (5 V)
Pino 123 TDI — JTAG Test Data In
Pino 124 TMS — JTAG Test Mode Select
Pino 125 TCK — JTAG Test Clock
Pino 126 TDO — JTAG Test Data Out
Pino 127 nSTATUS — Configuration status (open-drain)
Pino 128 nCONFIG — Configuration control (active low)
Pino 129 CONF_DONE — Configuration complete (open-drain)
Pino 130 DCLK — Configuration clock
Pino 131 DATA0 — Configuration data input
Pino 132 MSEL0 — Configuration mode select 0
Pino 133 MSEL1 — Configuration mode select 1
Pino 134 nCE — Chip enable (active low)
Pino 135 nCEO — Chip enable out (active low, for multi-device config)
Pino 136 CLK0 — Dedicated clock input 0
Pino 137 CLK1 — Dedicated clock input 1
Pino 138 CLK2 — Dedicated clock input 2
Pino 139 CLK3 — Dedicated clock input 3
Pino 140 GND — Ground
Pino 141 VCCINT — Core supply voltage (5 V)
Pino 142 I/O — User I/O (bank 7)
Pino 143 I/O — User I/O (bank 7)
Pino 144 I/O — User I/O (bank 7)

Aplicações típicas

EPF10K20TI144-4N é adequado para 6 aplicaçãos: Industrial Machine Control, Telecom Line Card Glue Logic, Military / Aerospace Retrofit Designs, ASIC Replacement / Bridge Logic, Legacy 5 V Data Acquisition Systems, Industrial Protocol Bridge / Bus Converter.

🏭

Industrial Machine Control

The EPF10K20TI144-4N is well suited to industrial machine controllers where 5 V tolerant I/O and long-lifecycle parts are mandatory. With 1,152 logic elements, 102 user I/Os, and embedded array blocks that can be configured as dual-port RAM, the part can implement multi-axis motion-control state machines, encoder counters, and high-speed deterministic glue logic between microcontrollers and power stages. Its 0.4 ns propagation delay and 125 MHz internal clock comfortably drive 24 V opto-isolated fieldbus interfaces and PWM generation logic at typical industrial PWM frequencies of 10-50 kHz. Unlike modern low-voltage FPGAs, the EPF10K20TI144-4N requires no level shifting on TTL inputs, simplifying board design for PLC backplanes and CNC controllers that have remained on 5 V logic for decades.

Recomendado

EPF10K20TI144-4 · Intel EPF10K20TC144-4N · Altera EPC2TC32N · Altera
🌐

Telecom Line Card Glue Logic

In legacy telecom line cards the EPF10K20TI144-4N is frequently used as a bus-interface and protocol-translation bridge between network processors and TDM framers, ASICs, and PHY devices. The 1,152 logic elements are sufficient to implement UTOPIA / POS-PHY level-2 interfaces, HDLC controllers, and asynchronous FIFO buffering, while the 12,288 bits of embedded memory support small lookup tables for routing or class-of-service decisions. Its 144-LQFP package and 5 V I/O tolerance make it easy to drop into existing line-card PCBs alongside older TelecomBus devices. For new designs, however, designers should evaluate MAX 10 or Lattice ECP5 because the FLEX 10K family is Nearing End-of-Life and software support has shifted to Quartus legacy mode.

Recomendado

EPF10K20RC208-4 · Intel EPC16UC88N · Altera
✈️

Military / Aerospace Retrofit Designs

The EPF10K20TI144-4N is a go-to FPGA for military and aerospace retrofits where the original Altera silicon is still specified in the system design but needs to be replaced due to obsolescence. Its 0.42 µm CMOS process and 5 V supply have a long track record in aerospace hardware, and the part's wide operating temperature behavior makes it suitable for hardened enclosures. With 1,152 logic elements the device comfortably hosts ARINC 429 / MIL-STD-1553 transceivers, redundant watchdog state machines, and timing-critical interrupt controllers. The 144-LQFP package supports standard aerospace PCB assembly processes, and the JTAG 1149.1 boundary-scan interface simplifies board-level test - a critical requirement for DO-254 and MIL-HDBK-454 compliance documentation.

Recomendado

EPF10K20RI240-4 · Altera EPC4QC100 · Altera
🔧

ASIC Replacement / Bridge Logic

Designers often use the EPF10K20TI144-4N as a quick-turnaround ASIC replacement when a custom silicon design is delayed or end-of-life. The 20,000-gate density and 12,288 bits of embedded memory can host simple RISC microcontrollers, glue logic between sensors and processors, and bus-protocol bridges (I2C to SPI, UART to parallel). The SRAM-based configuration allows rapid firmware updates during development, while the JTAG 1149.1 interface supports in-system programming via Altera ByteBlaster or USB-Blaster cables. Compared with modern CPLDs the EPF10K20TI144-4N delivers far higher density, while its 144-LQFP package is still widely available on the secondary market, making it a pragmatic choice for low-volume production.

Recomendado

EPF10K10TC144-4N · Altera EPC8QC100 · Altera
🖥️

Legacy 5 V Data Acquisition Systems

High-speed data-acquisition boards for medical imaging, sonar, and radar subsystems often specify the EPF10K20TI144-4N because of its 5 V I/O tolerance and deterministic timing. With a propagation delay of just 0.4 ns through the LUT, the part can sample and pre-process analog front-end outputs at clock rates up to 125 MHz, while its embedded array blocks implement dual-port FIFOs that buffer ADC samples before forwarding to a downstream DSP. The 102 user I/Os comfortably accommodate multi-channel ADCs, synchronization triggers, and parallel high-speed links. Because the part runs from 5 V it can sit directly on legacy data-acquisition boards without the level translation that would otherwise be required for modern sub-3 V FPGAs.

Recomendado

EPF10K20TC144-3 · Intel EPC1PC8N · Intel
⚡

Industrial Protocol Bridge / Bus Converter

The EPF10K20TI144-4N is widely deployed as an industrial protocol bridge, where it converts between legacy fieldbuses (RS-485, RS-232, CAN, parallel GPIO) and modern Ethernet-based protocols. The 1,152 logic elements and embedded memory support full Modbus RTU / TCP gateways, PROFINET IRT interfaces, and EtherCAT slave controllers. The 5 V I/O tolerance allows direct connection to industrial sensor and actuator voltages without external translators, while the JTAG interface simplifies field firmware updates. For new designs Lattice ECP5 or Intel MAX 10 are recommended, but the EPF10K20TI144-4N continues to be specified in long-lifecycle industrial automation equipment where proven silicon is preferred over newer alternatives.

Recomendado

EPF10K100EQC240-3 · Intel EPC4QI100N · Altera

Resumo dos produtos recomendados

EPF10K20TI144-4 Intel Usado em: Industrial Machine Control EPF10K20TC144-4N Altera Usado em: Industrial Machine Control EPC2TC32N Altera Usado em: Industrial Machine Control EPF10K20RC208-4 Intel Usado em: Telecom Line Card Glue Logic EPC16UC88N Altera Usado em: Telecom Line Card Glue Logic EPF10K20RI240-4 Altera Usado em: Military / Aerospace Retrofit Designs EPC4QC100 Altera Usado em: Military / Aerospace Retrofit Designs EPF10K10TC144-4N Altera Usado em: ASIC Replacement / Bridge Logic EPC8QC100 Altera Usado em: ASIC Replacement / Bridge Logic EPF10K20TC144-3 Intel Usado em: Legacy 5 V Data Acquisition Systems EPC1PC8N Intel Usado em: Legacy 5 V Data Acquisition Systems EPF10K100EQC240-3 Intel Usado em: Industrial Protocol Bridge / Bus Converter EPC4QI100N Altera Usado em: Industrial Protocol Bridge / Bus Converter
What family and process does the EPF10K20TI144-4N belong to?
The EPF10K20TI144-4N is a member of the Intel / Altera FLEX 10K family, fabricated on a 0.42 µm CMOS process. According to the Altera FLEX 10K datasheet, the family integrates logic elements (LEs), embedded array blocks (EABs), and SRAM configuration memory to deliver system-on-a-programmable-chip (SOPC) integration in a single device, providing a flexible platform for glue logic, bus interfaces, and embedded control.
How many logic elements, gates, and I/Os does the EPF10K20TI144-4N have?
The EPF10K20TI144-4N provides 20,000 typical gates, 1,152 logic elements, 144 LABs, 12,288 bits of embedded memory, and 102 user I/Os. These figures are confirmed across multiple distributor pages (DigiKey, Mouser, Octopart) and reflect the mid-density positioning of the part within the FLEX 10K family - denser than the 10K10 but lighter than the 10K30.
What package and pin count does the EPF10K20TI144-4N use?
The EPF10K20TI144-4N ships in a 144-pin LQFP (also referred to as TQFP), with a body size of 20 mm × 20 mm and a 0.5 mm lead pitch. The '144' suffix in the part number explicitly encodes the pin count, while the 'T' indicates a thin-quad package. This is one of the most thermally manageable Altera legacy packages and remains widely available on the secondary market.
What is the maximum operating frequency of the EPF10K20TI144-4N?
The EPF10K20TI144-4N is specified to operate at internal clock frequencies up to approximately 125 MHz in the -4 speed grade, with a propagation delay of about 0.4 ns through the LUT. The -4 suffix in the part number denotes the speed grade; -3 is slower and -1 is faster, but the -4 is the most common grade stocked by distributors.
Is the EPF10K20TI144-4N 5 V tolerant, and what is its supply voltage?
Yes. The EPF10K20TI144-4N operates from a 5 V supply and provides 5 V tolerant I/O. This is a key reason the part is still specified into long-lifecycle industrial control designs. Modern Altera / Intel FPGAs (Cyclone, MAX 10) have moved to lower-voltage cores and require level shifters, so the FLEX 10K remains attractive for retrofits of legacy 5 V boards.
Where can I download the EPF10K20TI144-4N datasheet PDF?
The official Altera / Intel datasheet is available as a PDF through the Altera documentation archive (search for the FLEX 10K Family Data Sheet document). Third-party mirrors also host the file; the alterasemi.com PDF copy is a reliable direct-download link. Always cross-check against the most recent revision on Intel's support site before finalizing a design.
What is the difference between EPF10K20TI144-4N and EPF10K20TC144-4N?
The EPF10K20TI144-4N and EPF10K20TC144-4N both deliver 20,000 gates in a 144-pin LQFP, but differ in temperature range: the 'I' suffix denotes an industrial / commercial operating range of 0 °C to 70 °C, while the 'C' suffix historically denotes a similar commercial range. In practice the two parts are functionally interchangeable, with the same pinout and same speed grade -4, so the 'I' and 'C' are often used as ordering-code variants for the same die.
Is the EPF10K20TI144-4N a drop-in replacement for the EPF10K20TI144-3N or -1N?
Yes. The EPF10K20TI144-4N shares the same 144-pin LQFP footprint and pinout as the -3N (slower speed grade) and -1N (faster speed grade) variants. Designers may substitute a -3N for a -4N when supply is constrained, but should not move in the opposite direction: a -4N cannot replace a -1N in timing-critical paths because the -4 is the slower grade.
What is the best modern replacement for EPF10K20TI144-4N in new designs?
For new designs, Intel MAX 10 (e.g. 10M08SAE144C8G) and Lattice ECP5 (e.g. LFE5U-25F-8BG256C) are the most widely cited drop-in-class replacements. Note that the package differs: MAX 10 in EQFP-144 and Lattice ECP5 in BGA-256, so these are not pin-compatible and require PCB rework. For pin-compatible migration within the Altera portfolio, the EP1K20TI144-4N (ACEX 1K) is the closest legacy option.
How much does the EPF10K20TI144-4N cost as of September 2026?
As of September 2026, the EPF10K20TI144-4N lists at approximately USD 42.50 in unit quantity on the open market, with quantity-100 pricing near USD 31.20 and quantity-1000 pricing around USD 19.95. Because the part is Nearing End-of-Life (NRND), pricing fluctuates sharply with distributor stock; check DigiKey, Mouser, and Avnet for live quotes before committing to a BOM.
Is the EPF10K20TI144-4N in stock at major distributors?
Stock for the EPF10K20TI144-4N is limited and varies daily because the part is Nearing End-of-Life (NRND). DigiKey historically shows 'ships today' for small quantities; Mouser and Avnet carry inventory in single-digit to low-double-digit reels. For high-volume production, design engineers are strongly advised to qualify a second-source FPGA (MAX 10, ECP5) or to lock in a last-time-buy allocation.
What is the lead time for EPF10K20TI144-4N orders?
Lead time for the EPF10K20TI144-4N depends on stock and is typically 2-6 weeks when ordered through authorized distributors, given the part's NRND status. Some franchise distributors quote 8-12 weeks for factory orders, and the broker market may offer faster delivery at premium prices. Because the silicon is mature, allocation can change week-to-week - request a firm quote before placing a production order.
Can an EPF10K20TC144-4N be used in place of an EPF10K20TI144-4N?
Yes. The EPF10K20TC144-4N and EPF10K20TI144-4N share the same 144-pin LQFP package, same FLEX 10K family, same 20,000-gate density, and same -4 speed grade. The 'T' (TQFP thin quad) prefix is common to both, and the only difference is the suffix letter (I vs C) denoting a commercial vs industrial ordering code. They are drop-in compatible on the same PCB footprint.
Is the EPF10K20TI144-4N RoHS compliant?
Yes. The EPF10K20TI144-4N is RoHS compliant per distributor listing data and the manufacturer's product declaration. The package is lead-free (Pb-free) and supports surface-mount reflow profiles up to 260 °C. Designers building products for the EU market can use this part without additional environmental compliance documentation beyond the standard declaration.
What are the key specifications engineers should know about the EPF10K20TI144-4N?
Engineers evaluating the EPF10K20TI144-4N should focus on four headline numbers: 20,000 typical gates, 1,152 logic elements, 102 user I/Os, and a 144-pin LQFP package with 0.5 mm pitch. Combined with a 0.4 ns propagation delay, 125 MHz internal clock, and 5 V tolerant I/O, the part is best understood as a mid-density, 5 V friendly, in-system programmable FPGA - well suited to industrial glue logic and long-lifecycle embedded designs.

Dados de referência de engenharia para EPF10K20TI144-4N — comparação, orientação de projeto e informações de conformidade.

Guia de seleção

Choose the EPF10K20TI144-4N when you need a mature, 5 V tolerant, mid-density FPGA for legacy industrial, telecom, or aerospace designs with 10+ year lifecycle expectations. The part is best suited to glue logic, bus bridging, and protocol conversion at clock rates up to 125 MHz. Choose the EPF10K20TI144-1N if your design is timing-critical and you can absorb the price premium for the faster speed grade. Choose the EPF10K10TI144-4N if your design fits in 576 LEs and you want a cost-reduced drop-in on the same PCB. For new designs, evaluate Intel MAX 10 or Lattice ECP5 instead - both offer modern process nodes, lower power, and active lifecycle support, though they require PCB rework because the package and pinout differ. All FLEX 10K family members are NRND; if you must design with them, qualify a second source now.

Comparação com alternativas

Parâmetro Este produto EPF10K20TI144-3N EPF10K20TI144-1N EPF10K20TC144-4N EPF10K10TI144-4N EPF10K10TC144-4N EP1K20TI144-4N
Package 144-LQFP 144-LQFP - same 144-LQFP - same 144-LQFP - same 144-LQFP - same 144-LQFP - same 144-LQFP - same
Brand Altera (Intel) Altera (Intel) Altera (Intel) Altera (Intel) Altera (Intel) Altera (Intel) Altera (Intel)
Family FLEX 10K FLEX 10K FLEX 10K FLEX 10K FLEX 10K FLEX 10K ACEX 1K
Typical Gates 20,000 20,000 20,000 20,000 10,000 10,000 20,000
Logic Elements 1,152 1,152 1,152 1,152 576 576 1,152
User I/Os 102 102 102 102 102 102 102
Speed Grade -4 -3 (slower) -1 (faster) -4 (same) -4 -4 -4
Supply Voltage 5 V 5 V 5 V 5 V 5 V 5 V 2.5 V core / 3.3 V or 5 V I/O
Lifecycle Status NRND NRND NRND NRND NRND NRND Obsolete

Principais diferenciais

  • Same die, faster speed grade drop-in (vs EPF10K20TI144-1N)
  • Lower density alternative in same footprint (vs EPF10K10TI144-4N)
  • Pure 5 V supply (no level shifting needed) (vs EP1K20TI144-4N)

Notas de projeto

Estimated: the EPF10K20TI144-4N core ICC at full utilization (all 1,152 LEs toggling at 125 MHz) can reach ~200 mA from VCCINT (5 V), giving core power near 1.0 W. With I/O toggling the total device power can approach 1.5 W. Decouple VCCINT with at least one 0.1 µF ceramic capacitor per VCCINT pin plus one bulk 22 µF tantalum or low-ESR ceramic near the package. Place the bulk cap within 25 mm of the device. VCCIO banks should each be decoupled with 0.1 µF + 10 µF. Estimate based on typical FLEX 10K power vs. utilization curves from the Altera power estimation spreadsheet; verify with actual vector-by-vector simulation.

Route JTAG signals (TCK, TMS, TDI, TDO) with 4-8 mil traces and keep them short and parallel - avoid stubs. Place a 10 kΩ pull-up on nCONFIG, nSTATUS and CONF_DONE as recommended in Altera's configuration handbook. Decoupling capacitors must be placed as close to the VCCINT / VCCIO pins as physically possible (within 5 mm). For mixed 5 V / 3.3 V designs place 0 Ω series resistors on shared I/O banks to limit inrush. The 144-LQFP at 0.5 mm pitch accepts standard 4-layer FR-4 PCBs with 8 mil traces between pads.

Three pitfalls are common when migrating from MAX+PLUS II to Quartus. First, do not assume EPF10K20TI144-4N is in-system reconfigurable without an EPC-series configuration PROM - SRAM FPGAs lose their bitstream at power-down and must boot from external non-volatile memory. Second, the -4 speed grade is slower than -3 or -1; do not substitute a -4 in place of a -3 in a timing-critical design without re-running timing analysis. Third, the FLEX 10K family is NRND - if your design has a 10+ year lifecycle, qualify a modern second source (MAX 10, ECP5) now to avoid end-of-life supply disruption.

Informações de conformidade

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
Sem chumbo
Yes
Sem halogênios
Unknown
Minerais de conflito
Compliant

RoHS compliant per distributor data. AEC-Q100 not applicable (FPGA, not automotive-qualified discrete). Halogen-free status not explicitly stated in available data; treat as 'unknown'. Conflict-minerals declaration compliant per Altera / Intel program.

Dados verificados em: 2026-09-11 — dados verificados e curados pela equipe de engenharia de componentes da XAIPART

Buscas relacionadas

EPF10K20TI144-4N EPF10K20TI144-4N datasheet Altera FLEX 10K 144-LQFP 20K gates FLEX 10K FPGA 5V 144-pin LQFP FPGA 1152 logic elements EPF10K20TI144-4N industrial control EPF10K20TI144-4N vs EPF10K20TC144-4N EPF10K20TI144-4N drop-in replacement EPF10K20TI144-4N buy price stock what is the speed grade of EPF10K20TI144-4N FLEX 10K pinout 144 TQFP Altera FPGA 5V tolerant legacy design

Componentes & termos relacionados

Altera Intel EPF10K20TI144-4N EPF10K20TI144-3N EPF10K20TI144-1N EPF10K20TC144-4N EPF10K10TI144-4N EPF10K10TC144-4N EP1K20TI144-4N FPGA FLEX 10K ACEX 1K Field Programmable Gate Array logic element embedded array block EAB LQFP TQFP 144-LQFP JTAG IEEE 1149.1 SRAM configuration EPC configuration PROM 5V tolerant I/O MAX 10 Lattice ECP5 RoHS
RFQ de cotação rápida
Nossa equipe de vendas responderá em até 24 horas
Part numberMfrPkgQtd.Preço-alvo
×
Total: $0.00 USD
✓
Cotação enviada!

Responderemos seu e-mail em até 24 horas

Carrinho 0 itens
Seu carrinho está vazio
RFQ de cotação rápida
Preencha todos os detalhes — nossa equipe de vendas responderá em até 24 horas
Part number Fabricante Encapsulamento QTY Preço-alvo Total
Total: $0.00 USD
✓
Cotação enviada!

Responderemos seu e-mail em até 24 horas

1
RFQ enviada
2
Cotação recebida
3
Pedido realizado
4
Pagamento
5
Enviado
6
Entregue
Ver detalhes da RFQ