EPF10K20TC144-4 - Flex 10K FPGA, 20K Gates, 144-LQFP | Intel
MPN: EPF10K20TC144-4 ✗ Cuối đờiEPF10K20TC144-4 Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho EPF10K20TC144-4 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với EPF10K20TC144-4 (cùng hình factor và footprint) — khác nhau ở Package, Operating Temperature, Process Technology, Series, Logic Elements / Cells.
EPF10K20TC144-4N
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPF10K20TC144-3
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPF10K20TC144-3N
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPF10K30TC144-4
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
EPF10K10TC144-4N
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPF10K20TC144-4 Tỷ lệ tối đa & tính chất điện
| 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 |
| Điện áp cung cấp | 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 |
| Nhiệt độ hoạt động | 0C to 70C (commercial) |
| Hộp | 144-LQFP (TQFP), 45 x 45 mm, 1.27 mm pitch |
| Kiểu lắp đặt | Surface Mount |
| Configuration Interface | Serial (BitBlaster/ByteBlaster) |
| Speed Grade | -4 |
Cấu hình chân EPF10K20TC144-4
| Chân 1 | I/O — User I/O pin (bank-specific voltage tolerance) |
| Chân 2 | I/O — User I/O pin |
| Chân 3 | I/O — User I/O pin |
| Chân 4 | I/O — User I/O pin |
| Chân 5 | I/O — User I/O pin |
| Chân 6 | I/O — User I/O pin |
| Chân 7 | I/O — User I/O pin |
| Chân 8 | I/O — User I/O pin |
| Chân 9 | I/O — User I/O pin |
| Chân 10 | I/O — User I/O pin |
| Chân 11 | I/O — User I/O pin |
| Chân 12 | I/O — User I/O pin |
| Chân 13 | I/O — User I/O pin |
| Chân 14 | I/O — User I/O pin |
| Chân 15 | I/O — User I/O pin |
| Chân 16 | I/O — User I/O pin |
| Chân 17 | I/O — User I/O pin |
| Chân 18 | I/O — User I/O pin |
| Chân 19 | I/O — User I/O pin |
| Chân 20 | I/O — User I/O pin |
| Chân 21 | I/O — User I/O pin |
| Chân 22 | I/O — User I/O pin |
| Chân 23 | I/O — User I/O pin |
| Chân 24 | I/O — User I/O pin |
| Chân 25 | I/O — User I/O pin |
| Chân 26 | I/O — User I/O pin |
| Chân 27 | I/O — User I/O pin |
| Chân 28 | I/O — User I/O pin |
| Chân 29 | I/O — User I/O pin |
| Chân 30 | I/O — User I/O pin |
| Chân 31 | I/O — User I/O pin |
| Chân 32 | I/O — User I/O pin |
| Chân 33 | I/O — User I/O pin |
| Chân 34 | I/O — User I/O pin |
| Chân 35 | I/O — User I/O pin |
| Chân 36 | I/O — User I/O pin |
| Chân 37 | I/O — User I/O pin |
| Chân 38 | I/O — User I/O pin |
| Chân 39 | I/O — User I/O pin |
| Chân 40 | I/O — User I/O pin |
| Chân 41 | I/O — User I/O pin |
| Chân 42 | I/O — User I/O pin |
| Chân 43 | I/O — User I/O pin |
| Chân 44 | I/O — User I/O pin |
| Chân 45 | I/O — User I/O pin |
| Chân 46 | I/O — User I/O pin |
| Chân 47 | I/O — User I/O pin |
| Chân 48 | I/O — User I/O pin |
| Chân 49 | I/O — User I/O pin |
| Chân 50 | I/O — User I/O pin |
| Chân 51 | I/O — User I/O pin |
| Chân 52 | I/O — User I/O pin |
| Chân 53 | I/O — User I/O pin |
| Chân 54 | I/O — User I/O pin |
| Chân 55 | I/O — User I/O pin |
| Chân 56 | I/O — User I/O pin |
| Chân 57 | I/O — User I/O pin |
| Chân 58 | I/O — User I/O pin |
| Chân 59 | I/O — User I/O pin |
| Chân 60 | I/O — User I/O pin |
| Chân 61 | I/O — User I/O pin |
| Chân 62 | I/O — User I/O pin |
| Chân 63 | I/O — User I/O pin |
| Chân 64 | I/O — User I/O pin |
| Chân 65 | I/O — User I/O pin |
| Chân 66 | I/O — User I/O pin |
| Chân 67 | I/O — User I/O pin |
| Chân 68 | I/O — User I/O pin |
| Chân 69 | I/O — User I/O pin |
| Chân 70 | I/O — User I/O pin |
| Chân 71 | I/O — User I/O pin |
| Chân 72 | I/O — User I/O pin |
| Chân 73 | I/O — User I/O pin |
| Chân 74 | I/O — User I/O pin |
| Chân 75 | I/O — User I/O pin |
| Chân 76 | I/O — User I/O pin |
| Chân 77 | I/O — User I/O pin |
| Chân 78 | I/O — User I/O pin |
| Chân 79 | I/O — User I/O pin |
| Chân 80 | I/O — User I/O pin |
| Chân 81 | I/O — User I/O pin |
| Chân 82 | I/O — User I/O pin |
| Chân 83 | I/O — User I/O pin |
| Chân 84 | I/O — User I/O pin |
| Chân 85 | I/O — User I/O pin |
| Chân 86 | I/O — User I/O pin |
| Chân 87 | I/O — User I/O pin |
| Chân 88 | I/O — User I/O pin |
| Chân 89 | I/O — User I/O pin |
| Chân 90 | I/O — User I/O pin |
| Chân 91 | I/O — User I/O pin |
| Chân 92 | I/O — User I/O pin |
| Chân 93 | I/O — User I/O pin |
| Chân 94 | I/O — User I/O pin |
| Chân 95 | I/O — User I/O pin |
| Chân 96 | I/O — User I/O pin |
| Chân 97 | I/O — User I/O pin |
| Chân 98 | I/O — User I/O pin |
| Chân 99 | I/O — User I/O pin |
| Chân 100 | I/O — User I/O pin |
| Chân 101 | I/O — User I/O pin |
| Chân 102 | I/O — User I/O pin |
| Chân 103 | VCCIO — I/O supply voltage (5V) |
| Chân 104 | VCCINT — Internal core supply voltage (5V) |
| Chân 105 | GND — Ground |
| Chân 106 | TCK — JTAG test clock |
| Chân 107 | TMS — JTAG test mode select |
| Chân 108 | TDI — JTAG test data in |
| Chân 109 | TDO — JTAG test data out |
| Chân 110 | nCONFIG — Configuration control (active low) |
| Chân 111 | nSTATUS — Configuration status (active low) |
| Chân 112 | CONF_DONE — Configuration complete |
| Chân 113 | DCLK — Configuration clock |
| Chân 114 | DATA0 — Configuration data input |
| Chân 115 | MSEL0 — Configuration mode select 0 |
| Chân 116 | MSEL1 — Configuration mode select 1 |
| Chân 117 | VCCINT — Internal core supply voltage (5V) |
| Chân 118 | VCCIO — I/O supply voltage (5V) |
| Chân 119 | GND — Ground |
| Chân 120 | I/O — User I/O pin |
| Chân 121 | I/O — User I/O pin |
| Chân 122 | I/O — User I/O pin |
| Chân 123 | I/O — User I/O pin |
| Chân 124 | I/O — User I/O pin |
| Chân 125 | I/O — User I/O pin |
| Chân 126 | I/O — User I/O pin |
| Chân 127 | I/O — User I/O pin |
| Chân 128 | I/O — User I/O pin |
| Chân 129 | I/O — User I/O pin |
| Chân 130 | I/O — User I/O pin |
| Chân 131 | I/O — User I/O pin |
| Chân 132 | I/O — User I/O pin |
| Chân 133 | I/O — User I/O pin |
| Chân 134 | I/O — User I/O pin |
| Chân 135 | I/O — User I/O pin |
| Chân 136 | I/O — User I/O pin |
| Chân 137 | I/O — User I/O pin |
| Chân 138 | I/O — User I/O pin |
| Chân 139 | I/O — User I/O pin |
| Chân 140 | I/O — User I/O pin |
| Chân 141 | I/O — User I/O pin |
| Chân 142 | I/O — User I/O pin |
| Chân 143 | I/O — User I/O pin |
| Chân 144 | I/O — User I/O pin |
Ứng dụng tiêu biểu
EPF10K20TC144-4 phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho EPF10K20TC144-4 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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 |
Bảo phân biệt quan trọng
- Identical silicon to EPF10K20TC144-4N with lead-free RoHS reflow compliance (vsEPF10K20TC144-4N)
- 50% more logic capacity in same package (vsEPF10K30TC144-4)
- Faster speed grade than EPF10K20TC144-3 (vsEPF10K20TC144-3)
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.
