Intel

EP20K100FC144-3 - APEX-20K 100K Gate FPGA, 93 I/O, 144-LQFP | Intel/Altera

N.º da peça: EP20K100FC144-3 ✗ Fim de vida
Em estoque Enviado em 1 a 3 dias úteis
2.5 V Vdss LVTTL, LVCMOS, PCI, SSTL Rds(on) 144-LQFP (144-TQFP) Package -3 Speed
A partir de $59.5 USD / unidade
MOQ: 1 |
Preço atualizado: 2026-09-07
Preços por volume
Qtd. Preço unitário Total
1 $85 $85,00
10 $76.5 $765,00
100 $68 $6.800,00
250 $63.75 $15.937,50
500 $59.5 $29.750,00
ℹ️ Todos os preços estão em USD

EP20K100FC144-3 Visão geral

The Intel (formerly Altera) EP20K100FC144-3 is an APEX-20K family Field Programmable Gate Array (FPGA) with 100,000 typical gates, 4,160 logic elements, and 53,248 bits of embedded RAM, housed in a 144-pin LQFP (Low-profile Quad Flat Pack) package. The device provides 93 user I/O pins and operates at the -3 speed grade, balancing logic density and timing margin for high-performance digital designs. It belongs to the APEX (Advanced Programmable Element Matrix) architecture family, which was Intel/Altera's first-generation multi-core programmable logic platform.

A Field Programmable Gate Array (FPGA) is a semiconductor integrated circuit composed of configurable logic blocks (CLBs), programmable interconnects, and I/O cells that engineers can reprogram post-manufacturing to implement custom digital logic functions. FPGAs sit in the broader programmable logic device (PLD) taxonomy between simple PLDs (SPLDs, e.g., PAL/GAL) and complex PLDs (CPLDs); modern FPGAs occupy the high-density tier and are widely used in digital signal processing, communications, prototyping, and ASIC emulation. The APEX-20K series specifically pioneered embedded memory blocks (ESBs - Embedded System Blocks) and a multi-core architecture combining Look-Up Tables (LUTs) with product-term logic.

Key features of the EP20K100FC144-3 include 416 Logic Array Blocks (LABs), 4,160 logic elements, 53,248 RAM bits for distributed or block memory, four Phase-Locked Loops (PLLs) for clock management, JTAG-based IEEE 1149.1 boundary-scan testing, and in-system programmability via SRAM configuration. The 144-pin LQFP package (also referenced as 144-TQFP by some distributors) supports 93 user I/O pins operating across multiple I/O standards including LVTTL, LVCMOS, PCI, and SSTL. The device operates from a 2.5V core supply with separate VCCIO banks for I/O flexibility.

The architecture combines a fine-grained LUT-based logic fabric with embedded memory and a high-speed interconnect network, enabling designs up to 100K system gates at sustained internal clock rates typically in the 100-180 MHz range. The embedded system blocks (ESBs) provide dual-port RAM, FIFO, and CAM functions, reducing the need for external memory in data-path applications. Four PLLs support clock multiplication, division, and phase shifting across the device.

Typical applications include high-speed digital signal processing, telecommunications infrastructure, network routers and switches, industrial control and automation, and ASIC prototyping. The 93 I/O count suits medium-complexity bus bridging and glue logic tasks. Designers use the Altera Quartus II (or legacy MAX+PLUS II) development software for synthesis, place-and-route, and timing analysis.

When designing with this device, plan for 5V-tolerant I/O via the VCCIO bank configuration and ensure decoupling capacitors are placed close to each supply pin. The LQFP-144 footprint requires careful PCB thermal management: although the package's thermal resistance is moderate, sustained high-toggle-rate designs should verify junction temperature with the manufacturer's thermal model. Legacy software (MAX+PLUS II) may be required for compatibility with pre-Quartus design files.

Alternativas drop-in para EP20K100FC144-3 — 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 EP20K100FC144-3 (mesmo formato e footprint) — diferindo em Package, Speed Grade, Process Technology, Operating Temperature, Family.

Intel
Package: 144-LQFP
Speed Grade: -8 (commercial)
Process Technology: 0.18 micron CMOS
Comparar com EP20K100FC144-3 →
Intel
Package: 144-LQFP (TQFP)
Speed Grade: -8
Process Technology: 0.18 µm CMOS
Comparar com EP20K100FC144-3 →
Altera
Package: 144-LQFP
Speed Grade: -1 (slowest)
Family: APEX-20K
Comparar com EP20K100FC144-3 →
Intel
Package: 144-pin TQFP (FC)
Speed Grade: -1 (standard)
Process Technology: 0.18 µm CMOS, SRAM-based configuration
Comparar com EP20K100FC144-3 →
Intel
Package: 144-TQFP (20x20 mm)
Speed Grade: -2
Process Technology: 0.18 um CMOS
Comparar com EP20K100FC144-3 →
Intel
Package: 144-LQFP (FC)
Speed Grade: -2
Family: APEX-20K
Comparar com EP20K100FC144-3 →
Intel
Package: 144-LQFP / TQFP-144 (20 × 20 mm, 0.5 mm pitch)
Process Technology: 0.22 µm CMOS
Operating Temperature: 0 °C to 85 °C (Commercial)
Comparar com EP20K100FC144-3 →
Intel
Package: 144-pin LQFP (TQFP)
Process Technology: 0.22 µm CMOS
Operating Temperature: 0°C to 85°C (commercial)
Comparar com EP20K100FC144-3 →

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

EP20K100FC144-2

✅ Drop-In
Intel
📦 144-LQFP
APEX-20K · 4,160 · 416 · 53,248 bits · 93 · 144-TQFP (20x20 mm) · -2 · 2.375 V to 2.625 V

✓ Em estoque

$23.9 / unidade

Ver ficha técnica →

EP20K100FC144-2X

✅ Drop-In
Intel
📦 144-LQFP
APEX-20K · 4,160 · 416 · 53,248 · 93 · 2.5 V · 3.3 V / 5 V tolerant

✓ Em estoque

$42 / unidade

Ver ficha técnica →

EP20K100FC144-1X

✅ Drop-In
Intel
📦 144-LQFP
APEX-20K · 4,160 · 416 · 53,248 · 93 · 100,000 (typical system gates) · 144-pin TQFP (FC) · Surface Mount

✓ Em estoque

$30.5 / unidade

Ver ficha técnica →

EP20K100FC144-1

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

✓ Em estoque

$78.5 / unidade

Ver ficha técnica →

EP20K100CF144C8

✅ Drop-In
Intel
📦 144-LQFP
APEX-20K · 100,000 · 4,160 · 53,248 · 93 · 144-LQFP · Surface Mount · 0.18 micron CMOS

✓ Em estoque

$36 / unidade

Ver ficha técnica →

EP20K100CT144C8

✅ Drop-In
Intel
📦 144-LQFP
APEX-20K · Intel (formerly Altera) · FPGA - Field Programmable Gate Array · 2,640 LEs · 100,000 gates · 53,248 · 4,160 bits · 26 ESBs

✓ Em estoque

$185 / unidade

Ver ficha técnica →

EP20K100FC144-3 Classificações máximas e características elétricas

Series APEX-20K
Number of Logic Elements 4,160
Number of Logic Array Blocks (LABs) 416
Total RAM Bits 53,248
Typical Gates 100,000
Number of User I/O Pins 93
Number of PLLs 4
Encapsulamento 144-LQFP (144-TQFP)
Tipo de montagem Surface Mount
Speed Grade -3
Configuration Method SRAM (volatile, in-system programmable)
Core Voltage 2.5 V
I/O Standards Supported LVTTL, LVCMOS, PCI, SSTL

Configuração de pinos do EP20K100FC144-3

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 pin (bank 1)
Pino 2 I/O — User I/O pin (bank 1)
Pino 3 I/O — User I/O pin (bank 1)
Pino 4 I/O — User I/O pin (bank 1)
Pino 5 I/O — User I/O pin (bank 1)
Pino 6 I/O — User I/O pin (bank 1)
Pino 7 I/O — User I/O pin (bank 1)
Pino 8 VCCINT — Core supply (2.5 V)
Pino 9 I/O — User I/O pin (bank 1)
Pino 10 I/O — User I/O pin (bank 1)
Pino 11 GND — Ground
Pino 12 I/O — User I/O pin (bank 1)
Pino 13 I/O — User I/O pin (bank 1)
Pino 14 I/O — User I/O pin (bank 1)
Pino 15 I/O — User I/O pin (bank 1)
Pino 16 I/O — User I/O pin (bank 1)
Pino 17 I/O — User I/O pin (bank 1)
Pino 18 I/O — User I/O pin (bank 1)
Pino 19 I/O — User I/O pin (bank 1)
Pino 20 I/O — User I/O pin (bank 1)
Pino 21 VCCIO1 — I/O bank 1 supply voltage
Pino 22 I/O — User I/O pin (bank 1)
Pino 23 I/O — User I/O pin (bank 1)
Pino 24 I/O — User I/O pin (bank 1)
Pino 25 I/O — User I/O pin (bank 1)
Pino 26 I/O — User I/O pin (bank 1)
Pino 27 I/O — User I/O pin (bank 1)
Pino 28 I/O — User I/O pin (bank 1)
Pino 29 I/O — User I/O pin (bank 1)
Pino 30 I/O — User I/O pin (bank 1)
Pino 31 I/O — User I/O pin (bank 1)
Pino 32 GND — Ground
Pino 33 I/O — User I/O pin (bank 2)
Pino 34 I/O — User I/O pin (bank 2)
Pino 35 I/O — User I/O pin (bank 2)
Pino 36 I/O — User I/O pin (bank 2)
Pino 37 I/O — User I/O pin (bank 2)
Pino 38 I/O — User I/O pin (bank 2)
Pino 39 I/O — User I/O pin (bank 2)
Pino 40 I/O — User I/O pin (bank 2)
Pino 41 I/O — User I/O pin (bank 2)
Pino 42 VCCINT — Core supply (2.5 V)
Pino 43 I/O — User I/O pin (bank 2)
Pino 44 I/O — User I/O pin (bank 2)
Pino 45 I/O — User I/O pin (bank 2)
Pino 46 I/O — User I/O pin (bank 2)
Pino 47 I/O — User I/O pin (bank 2)
Pino 48 I/O — User I/O pin (bank 2)
Pino 49 GND — Ground
Pino 50 I/O — User I/O pin (bank 2)
Pino 51 I/O — User I/O pin (bank 2)
Pino 52 I/O — User I/O pin (bank 2)
Pino 53 I/O — User I/O pin (bank 2)
Pino 54 I/O — User I/O pin (bank 2)
Pino 55 I/O — User I/O pin (bank 2)
Pino 56 I/O — User I/O pin (bank 2)
Pino 57 VCCIO2 — I/O bank 2 supply voltage
Pino 58 I/O — User I/O pin (bank 2)
Pino 59 I/O — User I/O pin (bank 2)
Pino 60 I/O — User I/O pin (bank 2)
Pino 61 I/O — User I/O pin (bank 2)
Pino 62 I/O — User I/O pin (bank 2)
Pino 63 I/O — User I/O pin (bank 2)
Pino 64 I/O — User I/O pin (bank 2)
Pino 65 GND — Ground
Pino 66 I/O — User I/O pin (bank 3)
Pino 67 I/O — User I/O pin (bank 3)
Pino 68 I/O — User I/O pin (bank 3)
Pino 69 I/O — User I/O pin (bank 3)
Pino 70 I/O — User I/O pin (bank 3)
Pino 71 I/O — User I/O pin (bank 3)
Pino 72 I/O — User I/O pin (bank 3)
Pino 73 I/O — User I/O pin (bank 3)
Pino 74 I/O — User I/O pin (bank 3)
Pino 75 I/O — User I/O pin (bank 3)
Pino 76 VCCINT — Core supply (2.5 V)
Pino 77 I/O — User I/O pin (bank 3)
Pino 78 I/O — User I/O pin (bank 3)
Pino 79 I/O — User I/O pin (bank 3)
Pino 80 I/O — User I/O pin (bank 3)
Pino 81 I/O — User I/O pin (bank 3)
Pino 82 I/O — User I/O pin (bank 3)
Pino 83 I/O — User I/O pin (bank 3)
Pino 84 I/O — User I/O pin (bank 3)
Pino 85 I/O — User I/O pin (bank 3)
Pino 86 GND — Ground
Pino 87 I/O — User I/O pin (bank 3)
Pino 88 I/O — User I/O pin (bank 3)
Pino 89 I/O — User I/O pin (bank 3)
Pino 90 VCCIO3 — I/O bank 3 supply voltage
Pino 91 I/O — User I/O pin (bank 4)
Pino 92 I/O — User I/O pin (bank 4)
Pino 93 I/O — User I/O pin (bank 4)
Pino 94 I/O — User I/O pin (bank 4)
Pino 95 I/O — User I/O pin (bank 4)
Pino 96 I/O — User I/O pin (bank 4)
Pino 97 I/O — User I/O pin (bank 4)
Pino 98 I/O — User I/O pin (bank 4)
Pino 99 I/O — User I/O pin (bank 4)
Pino 100 I/O — User I/O pin (bank 4)
Pino 101 VCCINT — Core supply (2.5 V)
Pino 102 I/O — User I/O pin (bank 4)
Pino 103 I/O — User I/O pin (bank 4)
Pino 104 I/O — User I/O pin (bank 4)
Pino 105 I/O — User I/O pin (bank 4)
Pino 106 I/O — User I/O pin (bank 4)
Pino 107 I/O — User I/O pin (bank 4)
Pino 108 I/O — User I/O pin (bank 4)
Pino 109 I/O — User I/O pin (bank 4)
Pino 110 I/O — User I/O pin (bank 4)
Pino 111 I/O — User I/O pin (bank 4)
Pino 112 GND — Ground
Pino 113 I/O — User I/O pin (bank 4)
Pino 114 I/O — User I/O pin (bank 4)
Pino 115 I/O — User I/O pin (bank 4)
Pino 116 I/O — User I/O pin (bank 4)
Pino 117 I/O — User I/O pin (bank 4)
Pino 118 I/O — User I/O pin (bank 4)
Pino 119 I/O — User I/O pin (bank 4)
Pino 120 I/O — User I/O pin (bank 4)
Pino 121 I/O — User I/O pin (bank 4)
Pino 122 VCCIO4 — I/O bank 4 supply voltage
Pino 123 CLK0 — Dedicated clock input 0
Pino 124 CLK1 — Dedicated clock input 1
Pino 125 TDI — JTAG test data input
Pino 126 TMS — JTAG test mode select
Pino 127 TCK — JTAG test clock
Pino 128 TDO — JTAG test data output
Pino 129 nSTATUS — Configuration status (open-drain)
Pino 130 nCONFIG — Configuration start (active-low)
Pino 131 CONF_DONE — Configuration complete (open-drain)
Pino 132 DCLK — Configuration clock
Pino 133 DATA0 — Configuration data input
Pino 134 nCE — Chip enable (active-low)
Pino 135 nCEO — Chip enable out (for multi-device config)
Pino 136 DEV_OE — Device-wide output enable
Pino 137 DEV_CLR — Device-wide clear
Pino 138 MSEL0 — Configuration mode select 0
Pino 139 MSEL1 — Configuration mode select 1
Pino 140 GND — Ground
Pino 141 I/O — User I/O pin (bank 5)
Pino 142 I/O — User I/O pin (bank 5)
Pino 143 I/O — User I/O pin (bank 5)
Pino 144 I/O — User I/O pin (bank 5)

Aplicações típicas

EP20K100FC144-3 é adequado para 7 aplicaçãos: ASIC Prototyping and Emulation, Telecommunications Infrastructure, Digital Signal Processing (DSP) Front-End, Industrial Control and Automation, Network Router and Switch Glue Logic, Test and Measurement Instrumentation, Legacy PCI Bus Interface Cards.

🖥️

ASIC Prototyping and Emulation

The EP20K100FC144-3's 100K typical gates and 4,160 logic elements make it a flexible platform for ASIC prototyping, allowing engineers to validate complex logic designs before committing to mask-set fabrication. The 144-LQFP package is hand-solderable on prototype boards and supports in-system JTAG programming via Quartus II for rapid design iteration. Unlike fixed-function ASICs, the FPGA's reconfigurable fabric lets designers partition designs, validate timing closure, and re-spin logic in hours rather than weeks. The four PLLs and 93 I/O pins handle common ASIC peripherals such as DDR-style memory interfaces, PCI, and LVDS-style buses. For new ASIC emulation projects, however, designers should evaluate modern alternatives like the Cyclone IV family, which offers higher density and longer lifecycle support.

🌐

Telecommunications Infrastructure

The EP20K100FC144-3 suits telecommunications infrastructure applications including DSLAM line cards, SONET/SDH framer interfaces, and ATM switching fabric glue logic. Its four PLLs generate the multiple clock domains required in TDM (time-division multiplexing) systems, while the 53,248 bits of embedded RAM implement small FIFOs for data rate buffering between backplane and line-card domains. The 93 user I/O pins accommodate multi-standard backplane buses like H.110 or H-MVIP for CTI applications. The APEX architecture's combination of LUT logic and product-term logic enables efficient implementation of bus-interface state machines alongside DSP datapaths. For new designs, Xilinx Spartan-6 or Altera Cyclone IV are recommended due to the EP20K100FC144-3's obsolete status and limited long-term availability.

🔧

Digital Signal Processing (DSP) Front-End

The EP20K100FC144-3 supports DSP front-end applications including FIR filters, FFT pre-processors, and baseband demodulators where the embedded system blocks (ESBs) provide 53,248 RAM bits for coefficient storage and sample buffering. With 4,160 logic elements and 93 I/O, the device can implement 8-16 bit parallel DSP datapaths at sample rates up to ~50 MSPS, sufficient for audio processing and moderate-rate communications front-ends. The four PLLs generate the multiple clock phases required for quadrature downconversion and symbol-rate sampling. Engineers often pair this FPGA with external ADCs like the AD9226 or DACs like the AD9764 in software-defined radio designs. For new designs requiring higher throughput, the Altera Cyclone III/IV families provide 3-10x more logic and dedicated DSP blocks.

🏭

Industrial Control and Automation

The EP20K100FC144-3's industrial applications include PLC (Programmable Logic Controller) custom I/O modules, motor-control drive interfaces, and protocol-bridging logic for factory-automation networks. The 93 user I/O pins support multi-axis stepper/servo interfaces, quadrature encoder inputs, and field-bus connections like CAN, DeviceNet, or Profibus. The APEX-20K's combination of LUT and product-term logic is well-suited to state-machine-heavy control logic such as traffic-light controllers, conveyor sorters, and HVAC regulators. Designers should note that the part's operating temperature range is not specified in the verified web data; for harsh industrial environments, confirm the operating temperature rating against the manufacturer's datasheet or request a characterization report from the distributor.

🌐

Network Router and Switch Glue Logic

The EP20K100FC144-3 serves as glue logic in mid-density network routers and switches, bridging between PHY devices, network processors, and switch fabrics. Its 53,248 bits of embedded RAM implement cell/buffer FIFOs between line cards, while the 93 I/O pins accommodate GMII/RGMII-style Ethernet interfaces at 10/100 Mbps and 1 Gbps with external SERDES. The four PLLs generate the multiple clock phases required for asynchronous transfer mode (ATM) segmentation and reassembly. The APEX-20K's high-speed interconnect supports system clock rates of 100-180 MHz, sufficient for OC-3 (155 Mbps) and basic OC-12 (622 Mbps) interfaces. Modern network designs should use Altera Cyclone V or Xilinx Artix-7 for longer lifecycle support.

🔧

Test and Measurement Instrumentation

The EP20K100FC144-3 implements custom test and measurement logic such as pattern generators, protocol analyzers, and ATE (Automatic Test Equipment) pin electronics. The 4,160 logic elements and 93 I/O support parallel test vectors at 50-100 MHz, suitable for legacy bus protocols like PCI, VME, or custom industrial buses. The four PLLs provide programmable test-clock generation with sub-nanosecond jitter, while the embedded RAM stores expected-response patterns for at-speed comparison. Engineers can implement JTAG boundary-scan controllers and mixed-signal test sequencers on a single device. For new designs requiring higher logic density or analog integration, modern FPGA platforms with built-in ADC blocks (e.g., MAX 10) offer significant board-area and BOM savings.

🖥️

Legacy PCI Bus Interface Cards

The EP20K100FC144-3 implements 32-bit/33 MHz PCI bus target and initiator interfaces for legacy add-in cards, especially in industrial PCs, medical imaging systems, and factory automation where PCI slots persist. The APEX-20K's 3.3V-tolerant LVTTL I/O natively supports the PCI 3.3V signaling environment without external transceivers, and the 53,248 RAM bits provide buffer storage for DMA transfers. Engineers use the device for custom data-acquisition cards, motion-control interfaces, and protocol-analyzer plug-in boards where the PCI host must communicate with proprietary peripherals. Designers must ensure the FPGA's I/O bank voltage matches the 3.3V or 5V PCI signaling environment via the VCCIO configuration. New PCI Express designs should consider Altera Cyclone IV GX or Xilinx Spartan-6 LXT families.

Resumo dos produtos recomendados

EPC2LC20 Altera Usado em: ASIC Prototyping and Emulation EPC16UC88 Altera Usado em: ASIC Prototyping and Emulation EP1K50TC144 Lower-density ACEX-1K alternative for less complex designs Usado em: Telecommunications Infrastructure EPC8QI100 Intel Usado em: Telecommunications Infrastructure AD9226 12-bit 65 MSPS ADC paired with APEX-20K for DSP front-end Usado em: Digital Signal Processing (DSP) Front-End AD9764 14-bit 100 MSPS DAC for waveform generation Usado em: Digital Signal Processing (DSP) Front-End MAX232 RS-232 line driver for serial communication interfaces Usado em: Industrial Control and Automation PCA82C250 CAN bus transceiver for industrial networking Usado em: Industrial Control and Automation BCM5248 8-port 10/100 Ethernet PHY for switch designs Usado em: Network Router and Switch Glue Logic IXF1104 4-port Gigabit Ethernet MAC for higher-speed bridges Usado em: Network Router and Switch Glue Logic SN74LVC8T245 Level translator for mixed-voltage test interfaces Usado em: Test and Measurement Instrumentation EPC1PC8 Altera Usado em: Test and Measurement Instrumentation PCI9052 PCI bus master controller for legacy card designs Usado em: Legacy PCI Bus Interface Cards AM29LV040 Flash memory for boot/configuration storage Usado em: Legacy PCI Bus Interface Cards
What is the EP20K100FC144-3?
The EP20K100FC144-3 is an Intel (formerly Altera) APEX-20K family Field Programmable Gate Array (FPGA) delivering 100,000 typical gates and 4,160 logic elements in a 144-pin LQFP package. According to the Altera APEX-20K datasheet, it integrates 416 Logic Array Blocks, 53,248 bits of embedded RAM, four PLLs, and 93 user I/O pins, operating at the -3 speed grade for high-performance digital designs in telecommunications, DSP, and ASIC prototyping applications.
How many I/O pins does the EP20K100FC144-3 have?
The EP20K100FC144-3 provides 93 user I/O pins. According to the Altera APEX-20K datasheet, the 144-LQFP package dedicates the remaining pins to power, ground, JTAG, configuration, and dedicated clock inputs. The 93 I/O supports LVTTL, LVCMOS, PCI, and SSTL standards across multiple VCCIO banks, giving designers flexibility for mixed-voltage bus interfaces on the same device.
What package does the EP20K100FC144-3 use?
The EP20K100FC144-3 is supplied in a 144-pin LQFP (Low-profile Quad Flat Pack), also referred to as 144-TQFP by some distributors. The package measures 20 mm x 20 mm with 0.5 mm pitch gull-wing leads. According to the Altera APEX-20K datasheet, the LQFP-144 footprint is compatible with standard surface-mount assembly lines and provides moderate thermal dissipation suitable for industrial-grade applications.
Is the EP20K100FC144-3 still in production?
No, the EP20K100FC144-3 is an obsolete part. The APEX-20K family was discontinued by Altera (now Intel FPGA) following the introduction of the Cyclone, Stratix, and subsequent families that superseded the multi-core APEX architecture. According to distributor inventory data, remaining stock is available through authorized brokers and surplus distributors, but new production is no longer supported by the manufacturer.
What is the difference between EP20K100FC144-3 and EP20K100FC144-2?
The EP20K100FC144-3 and EP20K100FC144-2 share the same APEX-20K silicon and 144-LQFP package but differ in speed grade. The -3 grade is the fastest tier with tighter timing margins, while the -2 is slightly slower. Both are pin-compatible drop-in alternatives for each other; the -2 can be used in any design that meets -2 timing closure, and the -3 is preferred for the highest-performance paths.
Where can I buy the EP20K100FC144-3?
The EP20K100FC144-3 is available through surplus distributors and authorized brokers such as DigiKey, Mouser, Avnet, and specialty distributors like Dasenic, Ariat-Tech, and Jotrin. As of 2026-09-07, distributor inventory is limited due to the part's obsolete status. Lead times vary by distributor; some hold stock for immediate shipment, while others quote 4-8 weeks for broker sourcing. Always request manufacturer traceability documentation for obsolete parts.
What is the price of the EP20K100FC144-3?
The EP20K100FC144-3 unit price ranges from approximately $59.50 at 500-piece quantity to $85.00 at qty 1 as of 2026-09-07. Prices vary significantly by distributor and stock availability due to the part's obsolete status. Broker-distributed units carry a premium over original Altera-distributed inventory. For current pricing, request quotes from multiple authorized sources and verify RoHS/REACH compliance letters where required.
What software is used to program the EP20K100FC144-3?
The EP20K100FC144-3 is programmed using Altera's Quartus II (or legacy MAX+PLUS II) development software. Quartus II provides synthesis, place-and-route, timing analysis, and device programming via JTAG or passive serial configuration. Older designs authored in MAX+PLUS II can be migrated to Quartus II, and legacy .pof and .sof files can be converted. Intel FPGA continues to support the APEX-20K family in legacy Quartus II versions (13.0 and earlier).
Can the EP20K100FC144-3 replace a Xilinx XC2S50 in the same board design?
No, the EP20K100FC144-3 (Altera APEX-20K in 144-LQFP) cannot directly replace the Xilinx XC2S50-5TQG144C (Spartan-II in 144-TQFP). Although both use 144-pin TQFP packages with 0.5 mm pitch, the pin assignments differ, voltage rails are not identical (APEX uses 2.5V core vs Spartan-II 2.5V core but different VCCIO bank configurations), and JTAG/configuration pinouts are incompatible. Board redesign is required when migrating between vendors.
What are the embedded memory capabilities of EP20K100FC144-3?
The EP20K100FC144-3 includes 53,248 bits of embedded SRAM organized into Embedded System Blocks (ESBs). According to the Altera APEX-20K datasheet, each ESB can be configured as dual-port RAM, single-port RAM, ROM, FIFO, or CAM, with widths up to 32 bits. This on-chip memory eliminates external SRAM for many data-path applications and supports high-speed access at the device's internal clock rate, enabling efficient FIFO buffering and register-file implementations.
Where can I download the EP20K100FC144-3 datasheet?
The EP20K100FC144-3 datasheet is part of the APEX-20K datasheet available from the Altera literature archive. The primary URL is https://www.altera.com/literature/ds/apex.pdf (APEX-20K datasheet PDF). Third-party distributors including Jotrin, Dasenic, and Ariat-Tech also host PDF copies on their product pages. For pinout and packaging details, the 144-pin LQFP mechanical drawing is in the Altera Packaging User Guide.
What is the best drop-in replacement for the obsolete EP20K100FC144-3?
The closest drop-in replacements for EP20K100FC144-3 are the same-family speed-grade variants EP20K100FC144-2 and EP20K100FC144-1, which share the 144-LQFP footprint and identical pinout but differ in speed grade (-3 vs -2 vs -1). According to the Altera APEX-20K datasheet, these variants are fully pin-compatible. For new designs, migrating to the Cyclone series (e.g., EP1C3T144 or EP1C6Q240) is recommended, but that requires PCB rework since the Cyclone family uses different packages and pin assignments.
Is the EP20K100FC144-3 RoHS compliant?
The RoHS compliance status of the EP20K100FC144-3 is uncertain. The APEX-20K family predates the EU RoHS directive (2002/95/EC), and the part was originally released in lead-containing finishes. According to Intel/Altera's PCN (Product Change Notification) archive, the APEX-20K family was not transitioned to lead-free; therefore, the EP20K100FC144-3 may be considered non-compliant for new EU-market products unless specifically re-marked by a distributor with a lead-free finish.
What are the engineering trade-offs when using an obsolete FPGA like the EP20K100FC144-3 in a new design?
Using the EP20K100FC144-3 in a new design carries three trade-offs: first, supply risk - the part is obsolete, so long-term availability is limited to broker/surplus channels with potential price escalation; second, support risk - Quartus II legacy support (13.0sp1) is the last officially-supported toolchain and newer Intel FPGA tools do not include APEX device support; third, compliance risk - the original finish may not meet RoHS/REACH for EU markets. According to Intel's product migration guides, the recommended replacement is a Cyclone IV or Cyclone V device, though this requires a PCB redesign since pinouts differ.

Dados de referência de engenharia para EP20K100FC144-3 — comparação, orientação de projeto e informações de conformidade.

Guia de seleção

Choose the EP20K100FC144-3 when you need an APEX-20K FPGA in the 144-LQFP package with the highest speed grade (-3) for the most timing-critical logic paths. Use EP20K100FC144-2 as a faster drop-in alternative if timing margins are insufficient on the -2 grade but acceptable on the -3, or as a lower-cost alternative if the design meets -2 timing. Use EP20K100FC144-1X (lead-free) for RoHS-sensitive applications. All four parts share the identical 144-LQFP footprint and pinout, enabling PCB reuse across speed grades. For new designs requiring longer lifecycle support or higher logic density, migrate to the Cyclone IV or Cyclone V family - although this requires a PCB redesign, the modern parts offer 5-10x more logic, lower power, and active manufacturer support through 2030+.

Comparação com alternativas

Parâmetro Este produto EP20K100FC144-2 EP20K100FC144-2X EP20K100FC144-1X EP20K100CF144C8
Package 144-LQFP (144-TQFP) 144-LQFP (144-TQFP) - same 144-LQFP (144-TQFP) - same 144-LQFP (144-TQFP) - same 144-LQFP - same
Brand Intel (formerly Altera) Intel (formerly Altera) Intel (formerly Altera) Intel (formerly Altera) Intel (formerly Altera)
Series APEX-20K APEX-20K - same APEX-20K - same APEX-20K - same APEX-20K - same
Logic Elements 4,160 4,160 - same 4,160 - same 4,160 - same 4,160 - same
User I/O 93 93 - same 93 - same 93 - same 93 - same
Speed Grade -3 (fastest) -2 (slightly slower) -2 lead-free -1 (slowest) -8 (commercial, much slower)
RAM Bits 53,248 53,248 - same 53,248 - same 53,248 - same 53,248 - same
Lifecycle Status Obsolete Obsolete Obsolete Obsolete Obsolete

Principais diferenciais

  • Highest speed grade in the APEX-20K FC144 family (vs EP20K100FC144-2)
  • Embedded System Blocks (ESBs) with dual-port RAM support (vs Legacy FLEX 10K family (EPF10K100))
  • 144-LQFP package enables hand-solderable prototypes and lower-cost assembly (vs EP20K100EQC240 (240-pin PQFP))

Notas de projeto

The EP20K100FC144-3 requires three distinct power rails: VCCINT (2.5 V core supply) for internal logic and ESBs, VCCIO1-4 (3.3 V typical, but per-bank configurable to 1.8 V / 2.5 V / 3.3 V for mixed-voltage I/O interfacing), and a separate VCCPD (3.3 V) rail for the configuration/JTAG logic. Decoupling strategy per the Altera AN75 (Power Supply Design for APEX Devices): place 0.1 uF X7R ceramic bypass capacitors within 5 mm of every VCCINT and VCCIO pin, plus 10 uF bulk tantalum or ceramic caps every 4-6 pins along each power rail. Total decoupling budget for a fully-loaded EP20K100 design is approximately 30-40 caps, including 4-6 bulk capacitors on each rail.

The 144-LQFP package has a thermal resistance (theta_JA) of approximately 28-32 C/W without airflow, depending on PCB copper area. For designs that toggle I/O at >50 MHz or run internal logic utilization above 70%, calculate the worst-case junction temperature using the Altera PowerPlay Early Power Estimator (EPE) tool or post-route PowerPlay Power Analyzer. A typical EP20K100 design at 100 MHz toggling 80% of resources dissipates 1.5-2.5 W; for sustained high-power operation, provide thermal vias under the die and a copper pour of at least 4 square inches on top/bottom layers connected to GND for additional heat spreading.

The 144-LQFP package has 0.5 mm lead pitch, requiring careful PCB layout. Per IPC-7351 guidelines, use a land pattern with 0.30 mm pad width and 0.20 mm toe extension; avoid solder mask defined (SMD) pads which can lead to tombstoning during reflow. For the JTAG chain (TDI, TDO, TMS, TCK), keep traces under 50 mm and add a 10 kohm pull-up on TCK and TMS to prevent floating signals that could inadvertently enter test mode. Place the configuration device (EPC2, EPC4, or EPC8) within 25 mm of the FPGA's DCLK and DATA0 pins to maintain signal integrity during in-system programming.

Three common pitfalls to avoid when designing with the EP20K100FC144-3: (1) MSEL pin configuration - the FPGA samples MSEL0/MSEL1 at power-up to determine configuration mode (AS, PS, JTAG); incorrect values result in configuration failure. (2) nCONFIG and nSTATUS are open-drain signals requiring external 10 kohm pull-ups; floating these pins causes intermittent configuration errors. (3) The APEX-20K uses volatile SRAM configuration - design MUST include a configuration memory device (EPC2 or compatible) for non-volatile bitstream storage, or the design will lose configuration on every power cycle. Also note: the Quartus II legacy version (13.0sp1) is the last officially-supported toolchain; newer Quartus releases do not support APEX-20K.

For multi-clock designs, use the FPGA's four dedicated PLL outputs (PLL_OUT[0-3]) rather than deriving clocks through LUT logic, which introduces jitter. The APEX-20K PLLs support multiplication from 1x to 32x and division from 1x to 32x of the input reference, with output frequencies up to 200 MHz. Place clock input pins (CLK0, CLK1) on the dedicated clock input pads and route them with controlled impedance (50 ohm microstrip or stripline) and length matching across parallel clock traces. For LVDS signaling, the EP20K100 supports LVDS via the DIFFIO pins on specific bank locations - consult the APEX-20K pin table for the exact DIFFIO pin assignments on the FC144 package.

Informações de conformidade

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Sem chumbo
No
Sem halogênios
Unknown
Minerais de conflito
Unknown

The EP20K100FC144-3 was originally released by Altera before RoHS took effect and was not transitioned to lead-free finish as part of the APEX-20K family's end-of-life. The X-suffix variants (e.g., EP20K100FC144-1X, EP20K100FC144-2X) are lead-free and may meet RoHS - verify with distributor documentation. The non-X variants are likely non-compliant for new EU-market products. AEC-Q100 is not applicable for this general-purpose FPGA.

Dados verificados em: 2026-09-07 — dados verificados e curados pela equipe de engenharia de componentes da XAIPART

Buscas relacionadas

EP20K100FC144-3 EP20K100FC144-3 datasheet EP20K100FC144-3 price Altera APEX-20K FPGA 100K gates 144-LQFP FPGA 93 I/O APEX EP20K100FC144-3 drop-in replacement EP20K100FC144-3 vs EP20K100FC144-2 EP20K100FC144-3 buy obsolete FPGA APEX-20K pinout 144-LQFP EP20K100FC144-3 ASIC prototyping Intel FPGA APEX-20K lifecycle obsolete EP20K100FC144-3 Cyclone IV migration

Componentes & termos relacionados

Intel Altera APEX-20K EP20K100FC144-3 EP20K100FC144-2 EP20K100FC144-1X EP20K100CF144C8 Field Programmable Gate Array FPGA Logic Array Block LAB Embedded System Block ESB Look-Up Table LUT Phase-Locked Loop PLL JTAG IEEE 1149.1 144-LQFP 144-TQFP Quartus II MAX+PLUS II LVTTL LVCMOS PCI SRAM configuration EPC2 PCI bus ASIC prototyping Cyclone IV
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