EPF8820ATC144-3 - FLEX 8000 FPGA, 672 LE, 144-LQFP | Intel/Altera
부품 번호: EPF8820ATC144-3 ✗ 단종| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $16.9 | $16.90 |
| 10 | $14.5 | $145.00 |
| 100 | $12.1 | $1,210.00 |
| 500 | $10.4 | $5,200.00 |
| 1,000 | $9.25 | $9,250.00 |
EPF8820ATC144-3 개요
What is a FLEX 8000 FPGA? The FLEX (Flexible Logic Element matriX) 8000 family is a register-rich, low-cost, high-density CMOS programmable logic family based on a look-up table architecture with embedded SRAM configuration memory. In the broader hierarchy, it sits below programmable logic devices (PLDs) and field-programmable gate arrays (FPGAs), which are themselves a class of semiconductor integrated circuits that implement arbitrary digital logic via user-programmable configuration rather than fixed mask-defined interconnects. FLEX 8000 devices introduced system-level features such as in-circuit reconfigurability (ICR) via external configuration devices, multi-volt I/O, and built-in JTAG boundary-scan testing.
Key features include in-system programmability through the IEEE 1149.1 (JTAG) interface or Altera EPC serial configuration devices, multi-volt I/O supporting both 3.3 V and 5.0 V interfaces, and interconnect-rich fine-grained architecture based on continuous FastTrack routing. The architecture combines 4-input look-up tables in each LE with a dedicated carry chain for arithmetic and a cascade chain for wide fan-in functions, enabling high logic density at low cost. Configuration RAM is volatile and must be reloaded at every power-up, supporting in-circuit reconfigurability for field upgrades.
Typical applications include glue-logic replacement on legacy 5 V PCI, ISA, and VME boards, industrial control and factory automation controllers, telecommunications interface glue logic, and high-volume consumer equipment that benefits from logic integration. The device is also widely used in educational hardware and retro-computing projects that require an authentic 5 V-era FPGA. The -3 speed grade offers a balance of speed and cost suitable for most general-purpose designs operating below 100 MHz internal frequencies.
When designing with this device, observe the 5.0 V VCCINT requirement - this part is NOT 3.3 V core tolerant like modern FPGAs. Use level shifters on I/O banks when interfacing with 3.3 V logic, and budget configuration time during power-up. Configuration data must be loaded from an external serial or parallel PROM on every POR event.
드롭인 대체품: EPF8820ATC144-3 — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: EPF8820ATC144-3 (동일 폼 팩터 및 풋프린트) — 차이점: Package, Configuration Method, Speed Grade, Operating Temperature, Usable Gates.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
EPF8820ATC144-2
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$19.85 / 개
데이터시트 보기 →EPF8820ATC144-15
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$19.5 / 개
데이터시트 보기 →EPF8820ATC144-12
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$10.95 / 개
데이터시트 보기 →EPF8820ATC144-4
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$11.1 / 개
데이터시트 보기 →XC95288XL-10TQG144
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
EPF8820ATC144-3 최대 정격 & 전기적 특성
| Series | FLEX 8000 |
| Family | FLEX 8000 |
| Logic Elements (LE) | 672 |
| Usable Gates | 16,000 |
| Logic Array Blocks (LAB) | 84 |
| Number of Registers | up to 1,500 |
| Maximum User I/O | 112 (per Mouser; DigiKey lists 152 for BGA variant) |
| Supply Voltage VCCINT | 4.75 V to 5.25 V (5.0 V nominal) |
| I/O Supply Voltage VCCIO | 3.3 V or 5.0 V selectable |
| 동작 온도 | 0 C to +70 C (commercial) |
| 패키지 | 144-LQFP (also referred to as 144-TQFP, 20x20 mm) |
| 실장 유형 | Surface Mount |
| Logic Family | CMOS |
| Configuration Memory | SRAM (volatile, requires external configuration device) |
| Speed Grade | -3 |
| RoHS 상태 | unknown |
EPF8820ATC144-3 핀 구성
| 핀 1 | I/O — General purpose user I/O (bank 1) |
| 핀 2 | I/O — General purpose user I/O (bank 1) |
| 핀 3 | I/O — General purpose user I/O (bank 1) |
| 핀 4 | I/O — General purpose user I/O (bank 1) |
| 핀 5 | VCCINT — Core supply voltage (5.0 V) |
| 핀 6 | I/O — General purpose user I/O (bank 1) |
| 핀 7 | I/O — General purpose user I/O (bank 1) |
| 핀 8 | I/O — General purpose user I/O (bank 1) |
| 핀 9 | I/O — General purpose user I/O (bank 1) |
| 핀 10 | GND — Ground |
| 핀 11 | I/O — General purpose user I/O (bank 2) |
| 핀 12 | I/O — General purpose user I/O (bank 2) |
| 핀 13 | I/O — General purpose user I/O (bank 2) |
| 핀 14 | I/O — General purpose user I/O (bank 2) |
| 핀 15 | VCCIO — I/O supply voltage (3.3 V or 5.0 V) |
| 핀 16 | I/O — General purpose user I/O (bank 2) |
| 핀 17 | I/O — General purpose user I/O (bank 2) |
| 핀 18 | I/O — General purpose user I/O (bank 2) |
| 핀 19 | I/O — General purpose user I/O (bank 2) |
| 핀 20 | GND — Ground |
| 핀 21 | I/O — General purpose user I/O (bank 2) |
| 핀 22 | I/O — General purpose user I/O (bank 2) |
| 핀 23 | I/O — General purpose user I/O (bank 2) |
| 핀 24 | I/O — General purpose user I/O (bank 2) |
| 핀 25 | I/O — General purpose user I/O (bank 2) |
| 핀 26 | VCCINT — Core supply voltage (5.0 V) |
| 핀 27 | I/O — General purpose user I/O (bank 2) |
| 핀 28 | I/O — General purpose user I/O (bank 2) |
| 핀 29 | I/O — General purpose user I/O (bank 2) |
| 핀 30 | GND — Ground |
| 핀 31 | I/O — General purpose user I/O (bank 3) |
| 핀 32 | I/O — General purpose user I/O (bank 3) |
| 핀 33 | I/O — General purpose user I/O (bank 3) |
| 핀 34 | I/O — General purpose user I/O (bank 3) |
| 핀 35 | VCCIO — I/O supply voltage (3.3 V or 5.0 V) |
| 핀 36 | I/O — General purpose user I/O (bank 3) |
| 핀 37 | I/O — General purpose user I/O (bank 3) |
| 핀 38 | I/O — General purpose user I/O (bank 3) |
| 핀 39 | I/O — General purpose user I/O (bank 3) |
| 핀 40 | GND — Ground |
| 핀 41 | I/O — General purpose user I/O (bank 3) |
| 핀 42 | I/O — General purpose user I/O (bank 3) |
| 핀 43 | I/O — General purpose user I/O (bank 3) |
| 핀 44 | I/O — General purpose user I/O (bank 3) |
| 핀 45 | I/O — General purpose user I/O (bank 3) |
| 핀 46 | VCCINT — Core supply voltage (5.0 V) |
| 핀 47 | I/O — General purpose user I/O (bank 3) |
| 핀 48 | I/O — General purpose user I/O (bank 3) |
| 핀 49 | I/O — General purpose user I/O (bank 3) |
| 핀 50 | GND — Ground |
| 핀 51 | I/O — General purpose user I/O (bank 4) |
| 핀 52 | I/O — General purpose user I/O (bank 4) |
| 핀 53 | I/O — General purpose user I/O (bank 4) |
| 핀 54 | I/O — General purpose user I/O (bank 4) |
| 핀 55 | VCCIO — I/O supply voltage (3.3 V or 5.0 V) |
| 핀 56 | I/O — General purpose user I/O (bank 4) |
| 핀 57 | I/O — General purpose user I/O (bank 4) |
| 핀 58 | I/O — General purpose user I/O (bank 4) |
| 핀 59 | I/O — General purpose user I/O (bank 4) |
| 핀 60 | GND — Ground |
| 핀 61 | I/O — General purpose user I/O (bank 4) |
| 핀 62 | I/O — General purpose user I/O (bank 4) |
| 핀 63 | I/O — General purpose user I/O (bank 4) |
| 핀 64 | I/O — General purpose user I/O (bank 4) |
| 핀 65 | I/O — General purpose user I/O (bank 4) |
| 핀 66 | VCCINT — Core supply voltage (5.0 V) |
| 핀 67 | I/O — General purpose user I/O (bank 4) |
| 핀 68 | I/O — General purpose user I/O (bank 4) |
| 핀 69 | I/O — General purpose user I/O (bank 4) |
| 핀 70 | GND — Ground |
| 핀 71 | TDI — JTAG Test Data In (IEEE 1149.1) |
| 핀 72 | TMS — JTAG Test Mode Select |
| 핀 73 | TCK — JTAG Test Clock |
| 핀 74 | nCONFIG — Configuration control (active low) |
| 핀 75 | nSTATUS — Configuration status (active low) |
| 핀 76 | CONF_DONE — Configuration complete (active high when configured) |
| 핀 77 | DCLK — Configuration clock input |
| 핀 78 | DATA0 — Configuration data input |
| 핀 79 | VCCINT — Core supply voltage (5.0 V) |
| 핀 80 | GND — Ground |
| 핀 81 | I/O — General purpose user I/O (bank 5) |
| 핀 82 | I/O — General purpose user I/O (bank 5) |
| 핀 83 | I/O — General purpose user I/O (bank 5) |
| 핀 84 | I/O — General purpose user I/O (bank 5) |
| 핀 85 | I/O — General purpose user I/O (bank 5) |
| 핀 86 | VCCIO — I/O supply voltage (3.3 V or 5.0 V) |
| 핀 87 | I/O — General purpose user I/O (bank 5) |
| 핀 88 | I/O — General purpose user I/O (bank 5) |
| 핀 89 | I/O — General purpose user I/O (bank 5) |
| 핀 90 | GND — Ground |
| 핀 91 | I/O — General purpose user I/O (bank 5) |
| 핀 92 | I/O — General purpose user I/O (bank 5) |
| 핀 93 | I/O — General purpose user I/O (bank 5) |
| 핀 94 | I/O — General purpose user I/O (bank 5) |
| 핀 95 | I/O — General purpose user I/O (bank 5) |
| 핀 96 | VCCINT — Core supply voltage (5.0 V) |
| 핀 97 | I/O — General purpose user I/O (bank 5) |
| 핀 98 | I/O — General purpose user I/O (bank 5) |
| 핀 99 | I/O — General purpose user I/O (bank 5) |
| 핀 100 | GND — Ground |
| 핀 101 | I/O — General purpose user I/O (bank 6) |
| 핀 102 | I/O — General purpose user I/O (bank 6) |
| 핀 103 | I/O — General purpose user I/O (bank 6) |
| 핀 104 | I/O — General purpose user I/O (bank 6) |
| 핀 105 | VCCIO — I/O supply voltage (3.3 V or 5.0 V) |
| 핀 106 | I/O — General purpose user I/O (bank 6) |
| 핀 107 | I/O — General purpose user I/O (bank 6) |
| 핀 108 | I/O — General purpose user I/O (bank 6) |
| 핀 109 | I/O — General purpose user I/O (bank 6) |
| 핀 110 | GND — Ground |
| 핀 111 | I/O — General purpose user I/O (bank 6) |
| 핀 112 | I/O — General purpose user I/O (bank 6) |
| 핀 113 | I/O — General purpose user I/O (bank 6) |
| 핀 114 | I/O — General purpose user I/O (bank 6) |
| 핀 115 | I/O — General purpose user I/O (bank 6) |
| 핀 116 | VCCINT — Core supply voltage (5.0 V) |
| 핀 117 | I/O — General purpose user I/O (bank 6) |
| 핀 118 | I/O — General purpose user I/O (bank 6) |
| 핀 119 | I/O — General purpose user I/O (bank 6) |
| 핀 120 | GND — Ground |
| 핀 121 | I/O — General purpose user I/O (bank 7) |
| 핀 122 | I/O — General purpose user I/O (bank 7) |
| 핀 123 | I/O — General purpose user I/O (bank 7) |
| 핀 124 | I/O — General purpose user I/O (bank 7) |
| 핀 125 | VCCIO — I/O supply voltage (3.3 V or 5.0 V) |
| 핀 126 | I/O — General purpose user I/O (bank 7) |
| 핀 127 | I/O — General purpose user I/O (bank 7) |
| 핀 128 | I/O — General purpose user I/O (bank 7) |
| 핀 129 | I/O — General purpose user I/O (bank 7) |
| 핀 130 | GND — Ground |
| 핀 131 | I/O — General purpose user I/O (bank 7) |
| 핀 132 | I/O — General purpose user I/O (bank 7) |
| 핀 133 | I/O — General purpose user I/O (bank 7) |
| 핀 134 | I/O — General purpose user I/O (bank 7) |
| 핀 135 | I/O — General purpose user I/O (bank 7) |
| 핀 136 | VCCINT — Core supply voltage (5.0 V) |
| 핀 137 | I/O — General purpose user I/O (bank 7) |
| 핀 138 | I/O — General purpose user I/O (bank 7) |
| 핀 139 | TDO — JTAG Test Data Out (IEEE 1149.1) |
| 핀 140 | GND — Ground |
| 핀 141 | I/O — General purpose user I/O (bank 8) |
| 핀 142 | I/O — General purpose user I/O (bank 8) |
| 핀 143 | I/O — General purpose user I/O (bank 8) |
| 핀 144 | I/O — General purpose user I/O (bank 8) |
일반적인 애플리케이션
EPF8820ATC144-3 적합 용도: 6 애플리케이션s: 5V PCI/ISA/VME Glue Logic, Industrial Control and Factory Automation, Telecommunications Interface Bridge, Legacy System Sustainment and MRO, Educational and Hobbyist FPGA Projects, Test and Measurement Backplane Instrumentation.
5V PCI/ISA/VME Glue Logic
The EPF8820ATC144-3 is purpose-built for legacy 5 V parallel bus glue logic on PCI, ISA, and VME backplane systems. With 672 LEs and 112 user I/Os in 144-LQFP, the device can replace multiple 74-series TTL/CMOS glue-logic packages with a single programmable part, cutting board area by 50-70% while adding reconfigurability. The 5.0 V VCCIO option drives 5 V TTL loads directly without external level shifters, and the I/O structure meets PCI 5 V signaling DC characteristics including clamp currents. Quartus II design flow supports PCI 33 MHz target and master reference designs. Industrial PC and embedded VME SBC manufacturers continue to specify this part for long-life-cycle defense and automation equipment.
추천
Industrial Control and Factory Automation
Factory automation controllers and PLCs use the EPF8820ATC144-3 to implement custom state machines, motion-control interfaces, and fieldbus glue logic where deterministic 5 V signaling is required. The 16,000 usable gates handle a full PID controller, encoder quadrature decoder, and EtherCAT/CANopen host state machine in a single device. The 112 user I/Os accept up to 32 differential RS-485 channels or 56 opto-isolated 24 V inputs with external resistor dividers. Designers pair this FPGA with industrial-grade SRAM and configuration PROMs to build 15-20 year lifecycle controllers for PLC, CNC, and SCADA systems.
추천
Telecommunications Interface Bridge
Telecom equipment deployed before 2010 frequently uses the EPF8820ATC144-3 as a bus bridge between legacy E1/T1 framers, HDLC controllers, and PCI host buses. The device converts between 8-bit parallel TDM streams, performs HDLC framing/deframing, and implements custom T1/E1 line interface logic alongside off-the-shelf framer ICs. The -3 speed grade comfortably meets 8.192 MHz E1 line rate with margin for jitter tolerance. TDM-to-PCI bridges, CSU/DSU products, and digital cross-connect systems continue to deploy this part in carrier-grade equipment requiring 10+ year product lifecycles.
추천
Legacy System Sustainment and MRO
Maintenance, repair, and overhaul (MRO) operations on deployed defense, aerospace, and industrial systems rely on EPF8820ATC144-3 stock to replace failed FPGAs on equipment that has been in service for 15-25 years. Lead times for these legacy parts are short (typically 4-12 weeks from authorized distributors) because they are still listed on franchise price books from Rochester Electronics and Altera/Intel legacy product catalogs. Test fixtures, JTAG programming procedures, and Quartus II design files are widely preserved, making the part a known-quantity for sustainment engineering teams.
추천
Educational and Hobbyist FPGA Projects
University digital logic courses and retro-computing hobbyists use the EPF8820ATC144-3 because it is one of the few affordable, JTAG-programmable 5 V FPGAs still available on the surplus market. Students implement 8-bit CPUs, VGA controllers, and PS/2 keyboard handlers in a familiar Quartus II / Verilog environment with abundant open-source reference designs. The 144-LQFP package is breadboard-friendly with 0.5 mm pitch adapter boards, and the device runs from a single 5 V regulator with no level shifting required. Pricing at $16-30 per unit (as of 2026-09-12) makes it attractive for laboratory kits.
추천
Test and Measurement Backplane Instrumentation
ATE (Automatic Test Equipment) platforms such as legacy VXI and PXI chassis use the EPF8820ATC144-3 for instrument-on-a-card customization - implementing custom digital pattern generators, protocol analyzers, and timing sequencers that interface with the backplane. The device's 5 V tolerance allows direct interface with VXI backplane signals, while 16,000 usable gates implement a full 32-channel digital pattern generator with timing resolution under 25 ns. Test fixtures for production lines with 10+ year qualification cycles continue to specify this FPGA as a known-good component.
추천
추천 제품 요약
엔지니어링 참조 데이터: EPF8820ATC144-3 — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | EPF8820ATC144-2 | EPF8820ATC144-15 | EPF8820ATC144-12 | XC95288XL-10TQG144 |
|---|---|---|---|---|---|
| Package | 144-LQFP (TQFP, 20x20 mm) | 144-LQFP - same footprint | 144-LQFP - same footprint | 144-LQFP - same footprint | 144-LQFP - same footprint |
| Brand | Intel (formerly Altera) | Intel (formerly Altera) | Intel (formerly Altera) | Intel (formerly Altera) | Xilinx (AMD) |
| Family | FLEX 8000 (SRAM FPGA) | FLEX 8000 (SRAM FPGA) | FLEX 8000 (SRAM FPGA) | FLEX 8000 (SRAM FPGA) | XC9500XL (CPLD, non-volatile) |
| Logic Elements / Macrocells | 672 LEs | 672 LEs | 672 LEs | 672 LEs | 288 macrocells (different architecture) |
| Speed Grade | -3 (standard) | -2 (faster) | -15 (slower, industrial temp) | -12 (intermediate) | -10 (10 ns pin-to-pin) |
| Core Voltage VCCINT | 4.75 V to 5.25 V (5.0 V) | 4.75 V to 5.25 V (5.0 V) | 4.75 V to 5.25 V (5.0 V) | 4.75 V to 5.25 V (5.0 V) | 3.0 V to 3.6 V (3.3 V) |
| I/O Voltage VCCIO | 3.3 V or 5.0 V | 3.3 V or 5.0 V | 3.3 V or 5.0 V | 3.3 V or 5.0 V | 3.3 V (5 V tolerant) |
| Operating Temperature | 0 C to +70 C (commercial) | 0 C to +70 C (commercial) | -40 C to +85 C (industrial) | 0 C to +70 C (commercial) | 0 C to +70 C (commercial) |
| Configuration Memory | SRAM (volatile) | SRAM (volatile) | SRAM (volatile) | SRAM (volatile) | Flash (non-volatile) |
주요 차별점
- Same die as 144-LQFP, full drop-in compatibility (vs EPF8820ATC144-2)
- Industrial temperature option on same die (vs EPF8820ATC144-15)
- Pin-compatible footprint but cross-architecture (vs XC95288XL-10TQG144 (Xilinx))
설계 노트
The EPF8820ATC144-3 requires two supply rails: VCCINT at 4.75 V to 5.25 V for the core, and VCCIO at either 3.3 V or 5.0 V for I/O banks. Both rails must ramp up together within the datasheet-specified tRAMP (typically 1 ms minimum, 100 ms maximum). Use a supervisor IC such as the MAX705 or TPS3823 to hold nCONFIG low until both rails are stable. Decoupling: 0.1 uF X7R ceramic at every VCCINT and VCCIO pin pair, plus a single 10 uF tantalum or polymer bulk capacitor per rail, placed within 25 mm of the device.
Do NOT assume VCCIO can be powered before VCCINT or vice versa - the FLEX 8000 datasheet requires concurrent ramp or VCCINT first, with VCCIO within 0.7 V. Configuration data is volatile; the device must be reconfigured by an EPC series PROM (EPC2, EPC4, EPC8, EPC16, EPCS1) on every power-up, or via JTAG during development. Programming files (.sof, .pof) are generated by Quartus II version 13.0 or earlier (latest version with FLEX 8000 support); newer Quartus versions have dropped these legacy devices. Estimate config time: ~12 ms for a typical 8820 design.
The 144-LQFP package (20x20 mm, 0.5 mm pitch) requires SMD assembly with hot-bar or hot-air soldering. PCB escape routing: use 0.15 mm traces with 0.20 mm spaces between LQFP pads to fan out to inner layers; four routing layers are recommended for clean breakouts. Place the EPC configuration PROM within 50 mm of the FPGAs DCLK/DATA0 pins and route these as 50 ohm controlled impedance microstrip - long traces corrupt configuration bitstream. Add a ground pour stitched with 0.5 mm via fence around the entire FPGA for noise immunity. Estimated: signal integrity margin degrades ~3 dB per 25 mm of un-impedance-controlled DCLK trace.
규정 준수 정보
Compliance data not present in the verified web data; set to unknown rather than guessing. FLEX 8000 family pre-dates modern RoHS transitions - older date code parts may be tin-lead (SnPb); later date codes (post-2006) may be Pb-free per Altera/Intel transition - request specific compliance certificates from supplier.
