EPF10K20TC144 - FLEX 10K FPGA, 20K Gates, 144-TQFP | Intel
MPN: EPF10K20TC144 ✗ Cuối đờiEPF10K20TC144 Tóm tắt
An FPGA (Field Programmable Gate Array) is a type of integrated circuit that contains an array of programmable logic blocks and interconnect pathways that can be configured by the end user to implement custom digital logic functions. FPGAs sit in the broader hierarchy of programmable logic devices (CPLD -> FPGA -> SoC FPGA) and semiconductor ICs, offering higher logic density and richer feature integration than CPLDs, while remaining more flexible than fixed-function ASICs. The FLEX 10K series was historically significant as one of the first devices to embed SRAM-based look-up tables alongside dedicated memory blocks, an architecture that became foundational to all modern FPGAs.
Key features of the EPF10K20TC144 include 1,152 logic elements distributed across 144 Logic Array Blocks (LABs), 12 Embedded Array Blocks providing up to 24,576 bits of RAM, and 102 user I/O pins. The device supports in-system programmability via the Altera ByteBlaster or BitBlaster interfaces through a dedicated JTAG chain, allowing rapid design iteration. Operating voltage is 5V, and the speed grade options (typically -3 or -4) determine maximum toggle frequencies of approximately 125 MHz.
The architecture combines a fine-grained logic fabric of 4-input look-up tables (LUTs) with coarse-grained EABs that can implement dual-port RAM, ROM, FIFO buffers, or arithmetic functions in a single block. This heterogeneous mix makes the FLEX 10K family well-suited to designs requiring both glue-logic and moderate on-chip memory, such as glue logic for microprocessors, custom peripheral controllers, and DSP pre-/post-processing.
Typical applications include glue-logic replacement for microprocessors and DSPs, custom interface bridging (e.g., PCI-to-local bus bridges), telecommunications line-card controllers, and industrial control logic. The 144-TQFP package supports surface-mount assembly and is widely accepted by both prototyping and production lines. Designers should note that this part is mature and may carry an NRND (Not Recommended for New Designs) lifecycle status.
A key design consideration is that the FLEX 10K family requires a 5V supply and uses SRAM-based configuration, meaning the design must be loaded from an external EPROM, flash, or microcontroller on every power-up. This contrasts with Antifuse-based competitors like the Xilinx XC4000 series, which are one-time programmable but offer faster wake-up. Designers migrating from the EPF10K20TC144 to newer Cyclone or MAX families should plan for I/O voltage and configuration scheme changes.
This page synthesizes distributor availability data, FLEX 10K family cross-reference options, and practical migration guidance not found in a single datasheet source.
Bộ thay thế dễ dàng lắp đặt cho EPF10K20TC144 — 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 (cùng hình factor và footprint) — khác nhau ở Operating Temperature, Package, Configuration Method, Total RAM Bits, Logic Elements / Cells.
EPF10K20TC144-4N
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPF10K20TC144-4
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPF10K20TC144-3N
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên 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 →EPF10K100EQC240-2N
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPF10K20TC144 Tỷ lệ tối đa & tính chất điện
| Series | FLEX 10K |
| Logic Elements | 1,152 |
| Typical Gates | 20,000 |
| Number of LABs | 144 |
| Number of EABs | 12 |
| Total EAB RAM Bits | 24,576 bits |
| User I/Os | 102 |
| Operating Voltage (Core) | 5 V |
| Package Type | TQFP-144 (Thin Quad Flat Pack) |
| Số chân | 144 |
| Package Dimensions | 22 x 22 mm |
| Lead Pitch | 0.5 mm |
| Operating Temperature (Commercial) | 0 C to +70 C |
| Configuration Method | SRAM-based (volatile, requires external boot) |
| Kiểu lắp đặt | Surface Mount |
Cấu hình chân EPF10K20TC144
| Chân 1 | I/O — User I/O pin (bank 1) |
| Chân 2 | I/O — User I/O pin (bank 1) |
| Chân 3 | I/O — User I/O pin (bank 1) |
| Chân 4 | I/O — User I/O pin (bank 1) |
| Chân 5 | I/O — User I/O pin (bank 1) |
| Chân 6 | I/O — User I/O pin (bank 1) |
| Chân 7 | VCCIO1 — I/O bank 1 supply voltage |
| Chân 8 | I/O — User I/O pin (bank 1) |
| Chân 9 | I/O — User I/O pin (bank 1) |
| Chân 10 | I/O — User I/O pin (bank 1) |
| Chân 11 | GND — Ground |
| Chân 12 | I/O — User I/O pin (bank 1) |
| Chân 13 | I/O — User I/O pin (bank 1) |
| Chân 14 | I/O — User I/O pin (bank 1) |
| Chân 15 | I/O — User I/O pin (bank 1) |
| Chân 16 | I/O — User I/O pin (bank 1) |
| Chân 17 | I/O — User I/O pin (bank 1) |
| Chân 18 | I/O — User I/O pin (bank 1) |
| Chân 19 | VCCINT — Core supply voltage (5V) |
| Chân 20 | I/O — User I/O pin (bank 1) |
| Chân 21 | I/O — User I/O pin (bank 1) |
| Chân 22 | GND — Ground |
| Chân 23 | I/O — User I/O pin (bank 2) |
| Chân 24 | I/O — User I/O pin (bank 2) |
| Chân 25 | I/O — User I/O pin (bank 2) |
| Chân 26 | I/O — User I/O pin (bank 2) |
| Chân 27 | I/O — User I/O pin (bank 2) |
| Chân 28 | I/O — User I/O pin (bank 2) |
| Chân 29 | VCCIO2 — I/O bank 2 supply voltage |
| Chân 30 | I/O — User I/O pin (bank 2) |
| Chân 31 | I/O — User I/O pin (bank 2) |
| Chân 32 | I/O — User I/O pin (bank 2) |
| Chân 33 | GND — Ground |
| Chân 34 | I/O — User I/O pin (bank 2) |
| Chân 35 | I/O — User I/O pin (bank 2) |
| Chân 36 | I/O — User I/O pin (bank 2) |
| Chân 37 | nCONFIG — Configuration control (active low) |
| Chân 38 | nSTATUS — Configuration status (active low) |
| Chân 39 | CONF_DONE — Configuration done indicator |
| Chân 40 | VCCINT — Core supply voltage (5V) |
| Chân 41 | DCLK — Configuration clock input |
| Chân 42 | DATA0 — Configuration data input |
| Chân 43 | I/O — User I/O pin (bank 3) |
| Chân 44 | I/O — User I/O pin (bank 3) |
| Chân 45 | I/O — User I/O pin (bank 3) |
| Chân 46 | I/O — User I/O pin (bank 3) |
| Chân 47 | I/O — User I/O pin (bank 3) |
| Chân 48 | I/O — User I/O pin (bank 3) |
| Chân 49 | GND — Ground |
| Chân 50 | I/O — User I/O pin (bank 3) |
| Chân 51 | I/O — User I/O pin (bank 3) |
| Chân 52 | I/O — User I/O pin (bank 3) |
| Chân 53 | I/O — User I/O pin (bank 3) |
| Chân 54 | I/O — User I/O pin (bank 3) |
| Chân 55 | I/O — User I/O pin (bank 3) |
| Chân 56 | VCCIO3 — I/O bank 3 supply voltage |
| Chân 57 | I/O — User I/O pin (bank 3) |
| Chân 58 | I/O — User I/O pin (bank 3) |
| Chân 59 | I/O — User I/O pin (bank 3) |
| Chân 60 | GND — Ground |
| Chân 61 | I/O — User I/O pin (bank 4) |
| Chân 62 | I/O — User I/O pin (bank 4) |
| Chân 63 | I/O — User I/O pin (bank 4) |
| Chân 64 | I/O — User I/O pin (bank 4) |
| Chân 65 | I/O — User I/O pin (bank 4) |
| Chân 66 | I/O — User I/O pin (bank 4) |
| Chân 67 | VCCINT — Core supply voltage (5V) |
| Chân 68 | I/O — User I/O pin (bank 4) |
| Chân 69 | I/O — User I/O pin (bank 4) |
| Chân 70 | I/O — User I/O pin (bank 4) |
| Chân 71 | GND — Ground |
| Chân 72 | I/O — User I/O pin (bank 4) |
| Chân 73 | I/O — User I/O pin (bank 4) |
| Chân 74 | I/O — User I/O pin (bank 4) |
| Chân 75 | TDI — JTAG test data input |
| Chân 76 | TDO — JTAG test data output |
| Chân 77 | TMS — JTAG test mode select |
| Chân 78 | TCK — JTAG test clock |
| Chân 79 | I/O — User I/O pin (bank 4) |
| Chân 80 | VCCIO4 — I/O bank 4 supply voltage |
| Chân 81 | I/O — User I/O pin (bank 4) |
| Chân 82 | I/O — User I/O pin (bank 5) |
| Chân 83 | I/O — User I/O pin (bank 5) |
| Chân 84 | I/O — User I/O pin (bank 5) |
| Chân 85 | I/O — User I/O pin (bank 5) |
| Chân 86 | GND — Ground |
| Chân 87 | I/O — User I/O pin (bank 5) |
| Chân 88 | I/O — User I/O pin (bank 5) |
| Chân 89 | I/O — User I/O pin (bank 5) |
| Chân 90 | I/O — User I/O pin (bank 5) |
| Chân 91 | I/O — User I/O pin (bank 5) |
| Chân 92 | I/O — User I/O pin (bank 5) |
| Chân 93 | VCCINT — Core supply voltage (5V) |
| Chân 94 | I/O — User I/O pin (bank 5) |
| Chân 95 | I/O — User I/O pin (bank 5) |
| Chân 96 | GND — Ground |
| Chân 97 | I/O — User I/O pin (bank 5) |
| Chân 98 | I/O — User I/O pin (bank 5) |
| Chân 99 | I/O — User I/O pin (bank 5) |
| Chân 100 | I/O — User I/O pin (bank 6) |
| Chân 101 | I/O — User I/O pin (bank 6) |
| Chân 102 | I/O — User I/O pin (bank 6) |
| Chân 103 | I/O — User I/O pin (bank 6) |
| Chân 104 | I/O — User I/O pin (bank 6) |
| Chân 105 | VCCIO5 — I/O bank 5 supply voltage |
| Chân 106 | I/O — User I/O pin (bank 6) |
| Chân 107 | I/O — User I/O pin (bank 6) |
| Chân 108 | I/O — User I/O pin (bank 6) |
| Chân 109 | GND — Ground |
| Chân 110 | I/O — User I/O pin (bank 6) |
| Chân 111 | I/O — User I/O pin (bank 6) |
| Chân 112 | I/O — User I/O pin (bank 6) |
| Chân 113 | I/O — User I/O pin (bank 6) |
| Chân 114 | I/O — User I/O pin (bank 6) |
| Chân 115 | I/O — User I/O pin (bank 6) |
| Chân 116 | VCCINT — Core supply voltage (5V) |
| Chân 117 | I/O — User I/O pin (bank 6) |
| Chân 118 | I/O — User I/O pin (bank 6) |
| Chân 119 | GND — Ground |
| Chân 120 |
Ứng dụng tiêu biểu
EPF10K20TC144 phù hợp cho 7 Áp dụngs: Microprocessor Glue Logic, Custom Peripheral Controllers, Telecommunications Line Card Interface, DSP Pre/Post-Processing Front-End, Industrial Control Logic, Prototype Logic Verification Platform, Legacy Avionics and Military Systems.
Microprocessor Glue Logic
The EPF10K20TC144 fits microprocessor glue-logic applications where custom address decoding, bus arbitration, wait-state generation, and interrupt controllers are required. Its 1,152 logic elements across 144 LABs provide ample capacity for typical 32-bit system glue, while the 12 EABs can implement dual-port FIFOs for bus buffering. Compared to discrete 74-series logic, the FLEX 10K reduces board area by 5-10x and allows last-minute design changes via SRAM reconfiguration. Designers typically run the part at 33 MHz to match PCI or local bus speeds and benefit from its 5V-tolerant I/O when interfacing with legacy microprocessors like the 80C196 or 68k families.
Được đề xuất
Custom Peripheral Controllers
Custom peripheral controllers benefit from the EPF10K20TC144's combination of logic fabric and Embedded Array Blocks. The 12 EABs can each implement a 256x8 or 512x4 dual-port RAM block, allowing designers to build 8-12 independent FIFO buffers, lookup tables, or microcode ROMs without external memory chips. With 102 user I/Os available, the part can drive wide parallel buses and multiple serial interfaces simultaneously. Industrial peripheral boards typically run the FLEX 10K at 25-50 MHz for sensor data acquisition, and its 5V I/O bank natively supports legacy 5V peripheral ICs like the 8255 PPI or 16550 UART.
Được đề xuất
Telecommunications Line Card Interface
Telecommunications line-card designs in the 1990s and 2000s widely adopted the EPF10K20TC144 for T1/E1 framing, HDLC controllers, and timeslot interchange functions. The device's 5V I/O tolerance directly interfaces with telecom line-interface units like the DS2155 or DS2156, eliminating level shifters. Its 24,576 bits of EAB RAM is sufficient for elastic stores, slip buffers, and jitter attenuators commonly required in TDM backplanes. The 144-TQFP package's 22x22 mm footprint fits within the standard 6U cPCI line-card area, and the part's 125 MHz speed grade in the -4 suffix accommodates 8.192 MHz TDM bus rates with margin.
Được đề xuất
DSP Pre/Post-Processing Front-End
The EPF10K20TC144 serves as a digital signal processing front-end by implementing pre- and post-processing functions in the EABs while the host DSP handles the core algorithms. Its 12 EABs can implement parallel FIR filter banks, gain control blocks, and data-format converters at sample rates up to 30 MSPS at the -4 speed grade. The 102 user I/Os provide ample connections to ADC/DAC converters and DSP host ports. Compared to discrete multiplier-accumulators, the FLEX 10K achieves equivalent throughput with fewer chips and allows algorithm updates via reconfiguration, useful during prototype development cycles.
Được đề xuất
Industrial Control Logic
Industrial control systems benefit from the EPF10K20TC144's ability to implement custom motor control algorithms, safety interlocks, and sensor fusion logic on a single chip. The 5V I/O tolerance interfaces directly with 24V industrial sensors via optocouplers, and the 144-TQFP package supports standard SMT assembly lines used in industrial-grade PCBs. The 12 EABs allow on-chip storage of lookup tables for sine-wave PWM, S-curve profiles, or PID gain tables. Designers building CNC controllers, PLC I/O expansion modules, or servo drive front-ends have relied on the FLEX 10K family for over two decades due to its deterministic timing and robust 5V noise margin.
Được đề xuất
Prototype Logic Verification Platform
Engineering labs and university research environments use the EPF10K20TC144 as a flexible logic verification platform due to its in-system programmability and rich EAB-based memory resources. The device can be reconfigured in milliseconds via the JTAG ByteBlaster port, enabling rapid design iteration. With 1,152 logic elements, it is large enough to implement complete CPU cores (such as the 8051 or simple RISC-V), custom peripherals, and external bus controllers on a single chip. The 5V I/O is forgiving for breadboard and prototype interface work, and the 144-TQFP package is widely supported by standard prototyping adapters and breakout boards.
Được đề xuất
Legacy Avionics and Military Systems
Long-lifecycle military and avionics platforms continue to use the EPF10K20TC144 because of its established reliability history, MIL-spec temperature variants, and qualification data. The part's 5V core and robust I/O tolerance meet the EMI/EMC requirements of DO-160 and MIL-STD-461 environments. With 1,152 logic elements, it is well-matched to legacy avionics tasks such as ARINC 429 bus controllers, discrete I/O scanning, and display drivers. The 144-TQFP package is mechanically robust for high-vibration environments and supports the conformal coating processes required for aerospace assembly. Note that MIL-temp variants carry the -3 or -4N speed-grade suffixes within the commercial part numbering scheme.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho EPF10K20TC144 — 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 | EPF10K20TC144-4 | EPF10K30TC144-4 | EPF10K10TC144-4N |
|---|---|---|---|---|---|
| Brand | Intel (formerly Altera) | Intel | Intel | Intel | Intel |
| Package | TQFP-144 | TQFP-144 (same) | TQFP-144 (same) | TQFP-144 (same) | TQFP-144 (same) |
| Logic Elements | 1,152 | 1,152 | 1,152 | 1,728 | 576 |
| Typical Gates | 20,000 | 20,000 | 20,000 | 30,000 | 10,000 |
| User I/Os | 102 | 102 | 102 | 102 | 102 |
| EAB RAM (bits) | 24,576 | 24,576 | 24,576 | 32,768 | 12,288 |
| Speed Grade | varies (-3 or -4) | -4 (125 MHz) | -4 (125 MHz) | -4 (125 MHz) | -4 (125 MHz) |
| RoHS Compliance | depends on suffix | Pb-free, RoHS | non-RoHS (legacy) | non-RoHS (legacy) | Pb-free, RoHS |
| Core Voltage | 5 V | 5 V | 5 V | 5 V | 5 V |
Bảo phân biệt quan trọng
- 5V I/O native compatibility (vsXilinx XC4000 series)
- Embedded Array Blocks for on-chip memory (vsSmaller FPGAs without EABs)
- Same-package density upgrade path (vsEPF10K10TC144-4N)
Ghi chú thiết kế
The EPF10K20TC144 requires a stable 5V supply on VCCINT pins (typically 3-4 pins distributed around the package) plus independent VCCIO supplies for each of the four I/O banks if mixed-voltage interfacing is required. Decoupling should include one 0.1 uF ceramic per VCC pin and a single 47 uF bulk tantalum or aluminum polymer capacitor within 25 mm of the device. Power sequencing is not strictly required because the FLEX 10K family is 5V-only, but in-rush current during configuration can spike to 500 mA; budget the regulator accordingly.
TQFP-144 packages have a 0.5 mm lead pitch, which requires careful PCB design: use 0.20-0.25 mm trace width between pads, IPC-SM-782 land patterns, and a 4-6 mil solder mask dam. Add ground fills under the device for thermal spreading, and use micro-via-in-pad if BGA breakouts are present in nearby circuits. Hand-soldering repair is feasible with a fine tip and preheating but is not recommended for production.
The FLEX 10K family uses SRAM-based configuration, which means the design is lost on every power-down and must be reloaded from an external EPC configuration PROM, flash, or microcontroller on every boot. This adds 50-200 ms to startup time and requires a dedicated boot source on the PCB. Without a configuration source, the device will fail to enter user mode and all I/O pins will remain tri-stated. JTAG programming via ByteBlaster is for development only; production boards must include an EPC1, EPC2, or compatible configuration memory.
Thông tin tuân thủ
Standard EPF10K20TC144 is not RoHS (legacy SnPb finish); the EPF10K20TC144-4N suffix denotes Pb-free, RoHS-compliant terminal finish. Always verify the exact part suffix on the datasheet declaration of conformity.