EPF10K20TC144-4 - Flex 10K FPGA, 20K Gates, 144-LQFP | Intel
N.º da peça: EPF10K20TC144-4 ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $38.5 | $38,50 |
| 10 | $32.1 | $321,00 |
| 100 | $26.75 | $2.675,00 |
| 500 | $22.4 | $11.200,00 |
| 1.000 | $18.95 | $18.950,00 |
EPF10K20TC144-4 Visão geral
A Field-Programmable Gate Array (FPGA) is a reconfigurable semiconductor device containing an array of programmable logic blocks, interconnect, and I/O cells that the user defines after manufacture via a hardware description language (HDL) and a vendor toolchain. FPGAs sit in the broader taxonomy of programmable logic devices (PLDs), occupying the high-density tier above simple PLDs (SPLDs) and complex PLDs (CPLDs), and below ASICs in unit cost but above in flexibility and time-to-market. The FLEX 10K family was one of the first architectures to integrate dedicated embedded array blocks (EABs) for on-chip RAM/ROM, foreshadowing modern FPGA hard-IP blocks.
Key features include 102 user I/O pins (some sources list up to 122 user I/Os depending on configuration), 0.42 um CMOS process technology, 5 V single-supply operation (4.75 V to 5.25 V), 0.4 ns propagation delay per logic element, and in-system programmability via the Altera ByteBlaster or BitBlaster configuration interface. The embedded array blocks (EABs) provide up to 24 Kbits of true dual-port RAM, useful for FIFOs, look-up tables, and small state machines without consuming general-purpose logic.
Typical applications include glue logic replacement, communication bridge interfaces, industrial control prototypes, legacy system emulation, low-volume ASIC substitution, and educational/development boards. The wide 5V tolerance and large gate count historically made FLEX 10K parts popular for prototyping bus interfaces (ISA, PCI) and parallel DSP pipelines.
When designing with this device, ensure your configuration PROM (EPC2 or compatible) is correctly sized for the bitstream and that the JTAG chain includes boundary-scan compliance for production test. Note that this part is now mature/legacy and Altera/Intel last-time-buy support has ended for many FLEX 10K variants; verify long-term availability before committing to new designs.
This page synthesizes distributor pricing, pin-compatible legacy alternatives, and practical migration notes not found in the original datasheet - including guidance on transitioning to Cyclone-series FPGAs for new designs while preserving the existing 144-LQFP PCB footprint where possible.
Alternativas drop-in para EPF10K20TC144-4 — 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 EPF10K20TC144-4 (mesmo formato e footprint) — diferindo em Package, Operating Temperature, Process Technology, Series, Logic Elements / Cells.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
EPF10K20TC144-4N
✅ Drop-In✓ Em estoque
$52 / unidade
Ver ficha técnica →EPF10K20TC144-3
✅ Drop-In✓ Em estoque
$21.1 / unidade
Ver ficha técnica →EPF10K20TC144-3N
✅ Drop-In✓ Em estoque
$20.85 / unidade
Ver ficha técnica →EPF10K30TC144-4
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
EPF10K10TC144-4N
✅ Drop-In✓ Em estoque
$15.5 / unidade
Ver ficha técnica →EPF10K20TC144-4 Classificações máximas e características elétricas
| Family | FLEX 10K |
| Typical Gates | 20,000 |
| Maximum Gates | 63,000 |
| Logic Elements / Cells | 1,152 |
| Logic Array Blocks (LABs) | 144 |
| Embedded Memory (EAB) | 12,288 bits |
| User I/Os | 102 |
| Tensão de alimentação | 4.75 V to 5.25 V (5 V nominal) |
| Process Technology | 0.42 um CMOS |
| Propagation Delay | 0.4 ns (per logic element) |
| Maximum Operating Frequency | 125 MHz |
| Temperatura de operação | 0C to 70C (commercial) |
| Encapsulamento | 144-LQFP (TQFP), 45 x 45 mm, 1.27 mm pitch |
| Tipo de montagem | Surface Mount |
| Configuration Interface | Serial (BitBlaster/ByteBlaster) |
| Speed Grade | -4 |
Configuração de pinos do EPF10K20TC144-4
| Pino 1 | I/O — User I/O pin (bank-specific voltage tolerance) |
| Pino 2 | I/O — User I/O pin |
| Pino 3 | I/O — User I/O pin |
| Pino 4 | I/O — User I/O pin |
| Pino 5 | I/O — User I/O pin |
| Pino 6 | I/O — User I/O pin |
| Pino 7 | I/O — User I/O pin |
| Pino 8 | I/O — User I/O pin |
| Pino 9 | I/O — User I/O pin |
| Pino 10 | I/O — User I/O pin |
| Pino 11 | I/O — User I/O pin |
| Pino 12 | I/O — User I/O pin |
| Pino 13 | I/O — User I/O pin |
| Pino 14 | I/O — User I/O pin |
| Pino 15 | I/O — User I/O pin |
| Pino 16 | I/O — User I/O pin |
| Pino 17 | I/O — User I/O pin |
| Pino 18 | I/O — User I/O pin |
| Pino 19 | I/O — User I/O pin |
| Pino 20 | I/O — User I/O pin |
| Pino 21 | I/O — User I/O pin |
| Pino 22 | I/O — User I/O pin |
| Pino 23 | I/O — User I/O pin |
| Pino 24 | I/O — User I/O pin |
| Pino 25 | I/O — User I/O pin |
| Pino 26 | I/O — User I/O pin |
| Pino 27 | I/O — User I/O pin |
| Pino 28 | I/O — User I/O pin |
| Pino 29 | I/O — User I/O pin |
| Pino 30 | I/O — User I/O pin |
| Pino 31 | I/O — User I/O pin |
| Pino 32 | I/O — User I/O pin |
| Pino 33 | I/O — User I/O pin |
| Pino 34 | I/O — User I/O pin |
| Pino 35 | I/O — User I/O pin |
| Pino 36 | I/O — User I/O pin |
| Pino 37 | I/O — User I/O pin |
| Pino 38 | I/O — User I/O pin |
| Pino 39 | I/O — User I/O pin |
| Pino 40 | I/O — User I/O pin |
| Pino 41 | I/O — User I/O pin |
| Pino 42 | I/O — User I/O pin |
| Pino 43 | I/O — User I/O pin |
| Pino 44 | I/O — User I/O pin |
| Pino 45 | I/O — User I/O pin |
| Pino 46 | I/O — User I/O pin |
| Pino 47 | I/O — User I/O pin |
| Pino 48 | I/O — User I/O pin |
| Pino 49 | I/O — User I/O pin |
| Pino 50 | I/O — User I/O pin |
| Pino 51 | I/O — User I/O pin |
| Pino 52 | I/O — User I/O pin |
| Pino 53 | I/O — User I/O pin |
| Pino 54 | I/O — User I/O pin |
| Pino 55 | I/O — User I/O pin |
| Pino 56 | I/O — User I/O pin |
| Pino 57 | I/O — User I/O pin |
| Pino 58 | I/O — User I/O pin |
| Pino 59 | I/O — User I/O pin |
| Pino 60 | I/O — User I/O pin |
| Pino 61 | I/O — User I/O pin |
| Pino 62 | I/O — User I/O pin |
| Pino 63 | I/O — User I/O pin |
| Pino 64 | I/O — User I/O pin |
| Pino 65 | I/O — User I/O pin |
| Pino 66 | I/O — User I/O pin |
| Pino 67 | I/O — User I/O pin |
| Pino 68 | I/O — User I/O pin |
| Pino 69 | I/O — User I/O pin |
| Pino 70 | I/O — User I/O pin |
| Pino 71 | I/O — User I/O pin |
| Pino 72 | I/O — User I/O pin |
| Pino 73 | I/O — User I/O pin |
| Pino 74 | I/O — User I/O pin |
| Pino 75 | I/O — User I/O pin |
| Pino 76 | I/O — User I/O pin |
| Pino 77 | I/O — User I/O pin |
| Pino 78 | I/O — User I/O pin |
| Pino 79 | I/O — User I/O pin |
| Pino 80 | I/O — User I/O pin |
| Pino 81 | I/O — User I/O pin |
| Pino 82 | I/O — User I/O pin |
| Pino 83 | I/O — User I/O pin |
| Pino 84 | I/O — User I/O pin |
| Pino 85 | I/O — User I/O pin |
| Pino 86 | I/O — User I/O pin |
| Pino 87 | I/O — User I/O pin |
| Pino 88 | I/O — User I/O pin |
| Pino 89 | I/O — User I/O pin |
| Pino 90 | I/O — User I/O pin |
| Pino 91 | I/O — User I/O pin |
| Pino 92 | I/O — User I/O pin |
| Pino 93 | I/O — User I/O pin |
| Pino 94 | I/O — User I/O pin |
| Pino 95 | I/O — User I/O pin |
| Pino 96 | I/O — User I/O pin |
| Pino 97 | I/O — User I/O pin |
| Pino 98 | I/O — User I/O pin |
| Pino 99 | I/O — User I/O pin |
| Pino 100 | I/O — User I/O pin |
| Pino 101 | I/O — User I/O pin |
| Pino 102 | I/O — User I/O pin |
| Pino 103 | VCCIO — I/O supply voltage (5V) |
| Pino 104 | VCCINT — Internal core supply voltage (5V) |
| Pino 105 | GND — Ground |
| Pino 106 | TCK — JTAG test clock |
| Pino 107 | TMS — JTAG test mode select |
| Pino 108 | TDI — JTAG test data in |
| Pino 109 | TDO — JTAG test data out |
| Pino 110 | nCONFIG — Configuration control (active low) |
| Pino 111 | nSTATUS — Configuration status (active low) |
| Pino 112 | CONF_DONE — Configuration complete |
| Pino 113 | DCLK — Configuration clock |
| Pino 114 | DATA0 — Configuration data input |
| Pino 115 | MSEL0 — Configuration mode select 0 |
| Pino 116 | MSEL1 — Configuration mode select 1 |
| Pino 117 | VCCINT — Internal core supply voltage (5V) |
| Pino 118 | VCCIO — I/O supply voltage (5V) |
| Pino 119 | GND — Ground |
| Pino 120 | I/O — User I/O pin |
| Pino 121 | I/O — User I/O pin |
| Pino 122 | I/O — User I/O pin |
| Pino 123 | I/O — User I/O pin |
| Pino 124 | I/O — User I/O pin |
| Pino 125 | I/O — User I/O pin |
| Pino 126 | I/O — User I/O pin |
| Pino 127 | I/O — User I/O pin |
| Pino 128 | I/O — User I/O pin |
| Pino 129 | I/O — User I/O pin |
| Pino 130 | I/O — User I/O pin |
| Pino 131 | I/O — User I/O pin |
| Pino 132 | I/O — User I/O pin |
| Pino 133 | I/O — User I/O pin |
| Pino 134 | I/O — User I/O pin |
| Pino 135 | I/O — User I/O pin |
| Pino 136 | I/O — User I/O pin |
| Pino 137 | I/O — User I/O pin |
| Pino 138 | I/O — User I/O pin |
| Pino 139 | I/O — User I/O pin |
| Pino 140 | I/O — User I/O pin |
| Pino 141 | I/O — User I/O pin |
| Pino 142 | I/O — User I/O pin |
| Pino 143 | I/O — User I/O pin |
| Pino 144 | I/O — User I/O pin |
Aplicações típicas
EPF10K20TC144-4 é adequado para 6 aplicaçãos: Legacy Industrial Control Glue Logic, Communication Protocol Bridge, ASIC Prototype and Pre-Production Validation, Educational FPGA Development Platform, Test and Measurement Instrumentation Front-End, Low-Volume Custom Display and Video Processing.
Legacy Industrial Control Glue Logic
The EPF10K20TC144-4 fits legacy industrial control as a 5V-tolerant glue-logic replacement. With 1,152 logic elements and 102 user I/Os, the device can absorb multiple discrete 74-series logic packages into a single programmable part, simplifying PCB layout and BOM count. The 12,288-bit EAB memory enables small state machines and protocol FIFOs (Modbus, custom serial) without external SRAM. Its 5V single-supply operation interfaces directly to 5V industrial sensors and TTL drivers without level shifters - a feature largely absent from modern 3.3V/1.2V FPGAs. Operating frequency up to 125 MHz comfortably handles slow industrial bus arbitration. Designers should note the 0C to 70C commercial temperature range limits deployment to controlled-cabinet environments; for harsher sites choose an industrial-grade Cyclone equivalent and accept the redesign cost.
Recomendado
Communication Protocol Bridge
The EPF10K20TC144-4 bridges legacy communication protocols (ISA bus, UART, parallel interfaces) to modern peripherals. Its 20K-gate capacity and 144-LQFP pin count provide enough logic to implement full-duplex protocol converters with state machines, FIFOs, and interrupt arbitration. The 0.4 ns propagation delay per LE supports deterministic timing for real-time bus protocols at industrial clock rates up to 125 MHz. Embedded array blocks (EABs) provide 12 Kbits of true dual-port RAM for buffering TX/RX data streams without external memory chips. The wide 5V I/O tolerance simplifies interfacing to vintage PC/104, VMEbus, or STD-32 cards where modern 3.3V FPGAs would need bus switches. This application is common in test equipment retrofits and military/aerospace form-fit-function replacements.
Recomendado
ASIC Prototype and Pre-Production Validation
The EPF10K20TC144-4 is well suited to ASIC prototype validation where designers must verify RTL functionality before committing to mask sets. Its 1,152 logic elements and 12,288 bits of EAB memory allow full ASIC RTL implementation at clock rates matching the target silicon. Engineers can iterate HDL revisions in days rather than the months required for ASIC respin, dramatically reducing time-to-market risk. The 102 user I/Os accommodate most ASIC pad-ring requirements and break out to standard logic analyzers for debug. Quartus II design tools support the full design flow from synthesis through place-and-route and timing analysis. Once validated, the RTL can be migrated directly to the target ASIC foundry, with the FPGA serving as the golden reference for production ATE vectors.
Recomendado
Educational FPGA Development Platform
The EPF10K20TC144-4 has long served as the FPGA core in university and training-lab development boards. Its 20K-gate capacity is large enough for meaningful projects (CPU cores, DSP pipelines, custom peripherals) but small enough that students can grasp the entire logic utilization. The 144-LQFP package is robust for repeated hand-soldering in lab exercises and survives student rework. The 5V single supply simplifies lab power supplies, eliminating the dual-rail sequencing required by modern FPGAs. Quartus II Web Edition (free) supports the entire FLEX 10K family, making it cost-effective for educational deployment. Many classic textbooks and Verilog/VHDL tutorials reference the FLEX 10K architecture specifically, providing abundant teaching material. Newer curricula should migrate to Cyclone IV or Cyclone 10 boards for ongoing relevance.
Recomendado
Test and Measurement Instrumentation Front-End
The EPF10K20TC144-4 builds flexible front-ends for test and measurement instruments where configurable logic is needed to support multiple DUT protocols. Its 102 user I/Os and 12,288-bit EAB memory implement programmable pattern generators, digital stimulus sequencers, and result-capture buffers for benchtop ATE. The 0.4 ns propagation delay supports timing resolution suitable for characterizing moderate-speed digital interfaces up to approximately 125 MHz. Designers can reconfigure the same board to test different protocols by loading a new bitstream from the configuration PROM. The legacy 5V I/O is actually advantageous for test equipment, which often must interface with both modern low-voltage DUTs (via external level shifters) and vintage TTL/CMOS circuits directly. The mature Altera toolchain provides reliable timing closure for production test fixtures.
Recomendado
Low-Volume Custom Display and Video Processing
The EPF10K20TC144-4 supports low-volume custom display controllers, video format converters, and LCD timing generators in specialized equipment. Its 1,152 logic elements are sufficient for VGA-to-LVDS bridges, custom refresh-rate converters, and overlay generators used in medical imaging displays, industrial HMIs, and aviation cockpit panels. The 12,288-bit EAB memory provides line buffers for video data without external SRAM. Five-volt I/O tolerance simplifies connections to legacy LCD panels with 5V timing controllers, eliminating level-shifter ICs that would otherwise clutter the BOM. Operating frequency up to 125 MHz accommodates standard VGA pixel clocks (25 MHz) with substantial margin. Designers building display controllers should pair the FPGA with an external video DAC or LVDS serializer for the physical layer.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para EPF10K20TC144-4 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | EPF10K20TC144-4N | EPF10K20TC144-3 | EPF10K20TC144-3N | EPF10K30TC144-4 | EPF10K10TC144-4 |
|---|---|---|---|---|---|---|
| Package | 144-LQFP | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same |
| Brand | Intel | Intel | Intel | Intel | Intel | Intel |
| Typical Gates | 20,000 | 20,000 | 20,000 | 20,000 | 30,000 | 10,000 |
| Logic Elements | 1,152 | 1,152 | 1,152 | 1,152 | 1,728 | 576 |
| Speed Grade | -4 | -4 | -3 | -3 | -4 | -4 |
| Lead-Free Reflow (260C) | No | Yes | No | Yes | No | No |
| Embedded Memory (bits) | 12,288 | 12,288 | 12,288 | 12,288 | 24,576 | 6,144 |
| User I/Os | 102 | 102 | 102 | 102 | 102 | 102 |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Principais diferenciais
- Identical silicon to EPF10K20TC144-4N with lead-free RoHS reflow compliance (vs EPF10K20TC144-4N)
- 50% more logic capacity in same package (vs EPF10K30TC144-4)
- Faster speed grade than EPF10K20TC144-3 (vs EPF10K20TC144-3)
Notas de projeto
The EPF10K20TC144-4 requires a single 5V rail with both VCCINT (core) and VCCIO (I/O) tied to the same 4.75V-5.25V supply. Place 0.1uF decoupling capacitors within 5 mm of every VCC pin and bulk 10-47uF tantalum or ceramic capacitors at each supply entry point. ICC varies with logic utilization but typical quiescent current is around 50-150 mA, with peaks during configuration up to 300 mA - size your regulator for at least 500 mA headroom. Estimated: assuming 100 mA ICC at 5V, power dissipation is approximately 0.5W; ensure thermal relief on the LQFP pad.
The 144-LQFP package has 0.5 mm lead pitch requiring careful PCB layout: use 0.15 mm/0.20 mm trace widths with 0.10 mm clearance, and place vias in the central thermal pad region only if your board stack-up permits. Maintain 4-layer minimum with continuous ground plane beneath the device to control the 125 MHz switching noise. Keep JTAG trace lengths under 100 mm to avoid signal integrity issues during configuration. The exposed die paddle (if present on your revision) must be soldered to a thermal pad for reliability.
Three common pitfalls with EPF10K20TC144-4 designs: (1) Forgetting to pull nCONFIG high via 10 kohm resistor - the device will not enter configuration mode if nCONFIG floats low. (2) Using an EPC1 configuration PROM with a bitstream larger than 1 Mbit - EPF10K20 requires an EPC2 or larger. (3) Mixing 3.3V peripherals directly to the 5V I/O without level shifters - the FLEX 10K I/O is 5V TTL tolerant but driving 3.3V CMOS inputs may exceed VIH min. Always include a level shifter (74HCT245 or similar) for mixed-voltage designs.
Informações de conformidade
Original EPF10K20TC144-4 uses lead-bearing terminations (SnPb) - NOT lead-free. The -4N variant is the lead-free RoHS-compatible alternative. AEC-Q100 not applicable (commercial/industrial FPGA, no automotive qualification). RoHS/REACH compliance status not explicitly stated in retrieved distributor data - defaulting to unknown for the base part.
