EPF8820AQC208-2N - 8K Gates FLEX 8000 FPGA | Altera | 5V
부품 번호: EPF8820AQC208-2N ✗ 단종| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $8.2 | $8.20 |
| 10 | $7.45 | $74.50 |
| 100 | $6.5 | $650.00 |
| 500 | $5.8 | $2,900.00 |
| 1,000 | $5.1 | $5,100.00 |
EPF8820AQC208-2N 개요
An FPGA (Field-Programmable Gate Array) is a programmable logic device that integrates configurable logic blocks, programmable interconnect, and I/O cells on a single die. Within the broader semiconductor taxonomy, FPGAs sit alongside CPLDs, microcontrollers, and ASICs as the dominant platforms for digital logic implementation. The FLEX 8000 family specifically targets register-rich, glue-logic and bus-integration applications, sitting hierarchically between low-density PLDs and high-density ASICs.
Key features of the EPF8820AQC208-2N include 672 logic elements, 152 user I/O pins, JTAG-based in-system reconfigurability via the ByteBlaster interface, four dedicated fast inputs, multiVolt I/O support for 3.3 V and 5 V interfaces, and a global low-skew clock network. The device uses a continuous SRAM configuration architecture, so it must be configured at every power-up by an external EPROM, an Altera EPC1/EPC1441 configuration device, or a system controller.
Architecturally, FLEX 8000 devices use a Logic Array Block (LAB) structure of 8 logic elements per LAB with shared carry chains and cascade paths, surrounded by a FastTrack Interconnect routing fabric. The embedded memory array holds the configuration bitstream, enabling live reconfiguration but making the part inherently volatile. The 5 V core and I/O operate at commercial temperature grade (0 to 70 °C), with the part produced under the FLEX 8000 family datasheet umbrella.
Typical applications include high-speed bus bridges, peripheral controllers in telecom and networking, industrial machine control glue logic, prototyping for ASIC replacement, and bus-intensive designs such as 32-bit RISC/CISC peripheral glue. The 152 I/O pins accommodate multiple parallel buses in a single device, eliminating external bus-multiplexing logic.
When designing with this part, ensure that configuration is supplied on every power-up using an EPC-series configuration device or microcontroller, and observe 5 V VCCINT and VCCIO decoupling guidelines. The part is EOL/legacy; new designs should consider Cyclone or MAX families.
드롭인 대체품: EPF8820AQC208-2N — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: EPF8820AQC208-2N (동일 폼 팩터 및 풋프린트) — 차이점: Configuration Method, Operating Temperature, Process Technology, Usable Gates, Package.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
EPF8820AQC208-2
✅ 드롭인✓ 재고 있음
$22.8 / 개
데이터시트 보기 →EPF8820AQC208-3
✅ 드롭인✓ 재고 있음
$18.95 / 개
데이터시트 보기 →EPF8820AQC208-4
✅ 드롭인✓ 재고 있음
$32.8 / 개
데이터시트 보기 →EPF8636AQC208-3
✅ 드롭인✓ 재고 있음
$28 / 개
데이터시트 보기 →EPF8636AQC208-4N
✅ 드롭인✓ 재고 있음
$10.4 / 개
데이터시트 보기 →EPF8636AQC208-4
✅ 드롭인✓ 재고 있음
$35.33 / 개
데이터시트 보기 →EPF8820AQC208-2N 최대 정격 & 전기적 특성
| Family | FLEX 8000 |
| Logic Elements | 672 |
| Usable Gates | 8,000 |
| User I/O Pins | 152 |
| Dedicated Inputs | 4 |
| Process Technology | 0.42 µm CMOS |
| 공급 전압 | 5 V |
| I/O Standard Support | 3.3 V / 5 V (multiVolt) |
| Maximum Frequency | 125 MHz |
| Propagation Delay | 5 ns |
| 패키지 | 208-pin PQFP (FQFP) |
| 실장 유형 | Surface Mount |
| 동작 온도 | 0 °C to +70 °C (Commercial) |
| Configuration Method | SRAM (external EPROM/EPC device) |
| Logic Family | CMOS |
EPF8820AQC208-2N 핀 구성
| 핀 1 | I/O — User I/O pin (bank 1) |
| 핀 2 | I/O — User I/O pin (bank 1) |
| 핀 3 | I/O — User I/O pin (bank 1) |
| 핀 4 | I/O — User I/O pin (bank 1) |
| 핀 5 | VCCIO — I/O supply voltage |
| 핀 6 | GND — Ground |
| 핀 7 | TDI — JTAG Test Data In |
| 핀 8 | TCK — JTAG Test Clock |
| 핀 9 | TMS — JTAG Test Mode Select |
| 핀 10 | nSTATUS — Configuration status |
| 핀 11 | nCONFIG — Configuration control (active low) |
| 핀 12 | CONFIG_DONE — Configuration complete |
| 핀 13 | DCLK — Configuration clock |
| 핀 14 | DATA0 — Configuration data input |
| 핀 15 | VCCINT — Core supply voltage 5 V |
| 핀 16 | GND — Ground |
| 핀 17 | CLK0 — Dedicated clock input |
| 핀 18 | CLK1 — Dedicated clock input |
| 핀 19 | CLK2 — Dedicated clock input |
| 핀 20 | I/O — User I/O pin |
| 핀 21 | I/O — User I/O pin |
| 핀 22 | I/O — User I/O pin |
| 핀 23 | I/O — User I/O pin |
| 핀 24 | I/O — User I/O pin |
| 핀 25 | I/O — User I/O pin |
| 핀 26 | I/O — User I/O pin |
| 핀 27 | I/O — User I/O pin |
| 핀 28 | I/O — User I/O pin |
| 핀 29 | I/O — User I/O pin |
| 핀 30 | I/O — User I/O pin |
| 핀 31 | I/O — User I/O pin |
| 핀 32 | I/O — User I/O pin |
| 핀 33 | I/O — User I/O pin |
| 핀 34 | I/O — User I/O pin |
| 핀 35 | I/O — User I/O pin |
| 핀 36 | I/O — User I/O pin |
| 핀 37 | I/O — User I/O pin |
| 핀 38 | I/O — User I/O pin |
| 핀 39 | I/O — User I/O pin |
| 핀 40 | I/O — User I/O pin |
| 핀 41 | I/O — User I/O pin |
| 핀 42 | I/O — User I/O pin |
| 핀 43 | I/O — User I/O pin |
| 핀 44 | I/O — User I/O pin |
| 핀 45 | I/O — User I/O pin |
| 핀 46 | I/O — User I/O pin |
| 핀 47 | I/O — User I/O pin |
| 핀 48 | I/O — User I/O pin |
| 핀 49 | I/O — User I/O pin |
| 핀 50 | I/O — User I/O pin |
| 핀 51 | I/O — User I/O pin |
| 핀 52 | I/O — User I/O pin |
| 핀 53 | VCCIO — I/O supply voltage |
| 핀 54 | GND — Ground |
| 핀 55 | I/O — User I/O pin (bank 2) |
| 핀 56 | I/O — User I/O pin (bank 2) |
| 핀 57 | I/O — User I/O pin (bank 2) |
| 핀 58 | I/O — User I/O pin (bank 2) |
| 핀 59 | I/O — User I/O pin (bank 2) |
| 핀 60 | I/O — User I/O pin (bank 2) |
| 핀 61 | I/O — User I/O pin (bank 2) |
| 핀 62 | I/O — User I/O pin (bank 2) |
| 핀 63 | I/O — User I/O pin (bank 2) |
| 핀 64 | I/O — User I/O pin (bank 2) |
| 핀 65 | I/O — User I/O pin (bank 2) |
| 핀 66 | I/O — User I/O pin (bank 2) |
| 핀 67 | I/O — User I/O pin (bank 2) |
| 핀 68 | I/O — User I/O pin (bank 2) |
| 핀 69 | I/O — User I/O pin (bank 2) |
| 핀 70 | I/O — User I/O pin (bank 2) |
| 핀 71 | I/O — User I/O pin (bank 2) |
| 핀 72 | I/O — User I/O pin (bank 2) |
| 핀 73 | I/O — User I/O pin (bank 2) |
| 핀 74 | I/O — User I/O pin (bank 2) |
| 핀 75 | I/O — User I/O pin (bank 2) |
| 핀 76 | I/O — User I/O pin (bank 2) |
| 핀 77 | I/O — User I/O pin (bank 2) |
| 핀 78 | I/O — User I/O pin (bank 2) |
| 핀 79 | I/O — User I/O pin (bank 2) |
| 핀 80 | I/O — User I/O pin (bank 2) |
| 핀 81 | I/O — User I/O pin (bank 2) |
| 핀 82 | I/O — User I/O pin (bank 2) |
| 핀 83 | I/O — User I/O pin (bank 2) |
| 핀 84 | I/O — User I/O pin (bank 2) |
| 핀 85 | I/O — User I/O pin (bank 2) |
| 핀 86 | I/O — User I/O pin (bank 2) |
| 핀 87 | I/O — User I/O pin (bank 2) |
| 핀 88 | I/O — User I/O pin (bank 2) |
| 핀 89 | I/O — User I/O pin (bank 2) |
| 핀 90 | I/O — User I/O pin (bank 2) |
| 핀 91 | I/O — User I/O pin (bank 2) |
| 핀 92 | I/O — User I/O pin (bank 2) |
| 핀 93 | I/O — User I/O pin (bank 2) |
| 핀 94 | I/O — User I/O pin (bank 2) |
| 핀 95 | I/O — User I/O pin (bank 2) |
| 핀 96 | I/O — User I/O pin (bank 2) |
| 핀 97 | I/O — User I/O pin (bank 2) |
| 핀 98 | I/O — User I/O pin (bank 2) |
| 핀 99 | I/O — User I/O pin (bank 2) |
| 핀 100 | I/O — User I/O pin (bank 2) |
| 핀 101 | I/O — User I/O pin (bank 3) |
| 핀 102 | I/O — User I/O pin (bank 3) |
| 핀 103 | I/O — User I/O pin (bank 3) |
| 핀 104 | I/O — User I/O pin (bank 3) |
| 핀 105 | I/O — User I/O pin (bank 3) |
| 핀 106 | I/O — User I/O pin (bank 3) |
| 핀 107 | I/O — User I/O pin (bank 3) |
| 핀 108 | I/O — User I/O pin (bank 3) |
| 핀 109 | I/O — User I/O pin (bank 3) |
| 핀 110 | I/O — User I/O pin (bank 3) |
| 핀 111 | I/O — User I/O pin (bank 3) |
| 핀 112 | I/O — User I/O pin (bank 3) |
| 핀 113 | I/O — User I/O pin (bank 3) |
| 핀 114 | I/O — User I/O pin (bank 3) |
| 핀 115 | I/O — User I/O pin (bank 3) |
| 핀 116 | I/O — User I/O pin (bank 3) |
| 핀 117 | I/O — User I/O pin (bank 3) |
| 핀 118 | I/O — User I/O pin (bank 3) |
| 핀 119 | I/O — User I/O pin (bank 3) |
| 핀 120 | I/O — User I/O pin (bank 3) |
| 핀 121 | I/O — User I/O pin (bank 3) |
| 핀 122 | I/O — User I/O pin (bank 3) |
| 핀 123 | I/O — User I/O pin (bank 3) |
| 핀 124 | I/O — User I/O pin (bank 3) |
| 핀 125 | I/O — User I/O pin (bank 3) |
| 핀 126 | I/O — User I/O pin (bank 3) |
| 핀 127 | I/O — User I/O pin (bank 3) |
| 핀 128 | I/O — User I/O pin (bank 3) |
| 핀 129 | I/O — User I/O pin (bank 3) |
| 핀 130 | I/O — User I/O pin (bank 3) |
| 핀 131 | I/O — User I/O pin (bank 3) |
| 핀 132 | I/O — User I/O pin (bank 3) |
| 핀 133 | I/O — User I/O pin (bank 3) |
| 핀 134 | I/O — User I/O pin (bank 3) |
| 핀 135 | I/O — User I/O pin (bank 3) |
| 핀 136 | I/O — User I/O pin (bank 3) |
| 핀 137 | I/O — User I/O pin (bank 3) |
| 핀 138 | I/O — User I/O pin (bank 3) |
| 핀 139 | I/O — User I/O pin (bank 3) |
| 핀 140 | I/O — User I/O pin (bank 3) |
| 핀 141 | I/O — User I/O pin (bank 3) |
| 핀 142 | I/O — User I/O pin (bank 3) |
| 핀 143 | I/O — User I/O pin (bank 3) |
| 핀 144 | I/O — User I/O pin (bank 3) |
| 핀 145 | I/O — User I/O pin (bank 3) |
| 핀 146 | I/O — User I/O pin (bank 3) |
| 핀 147 | I/O — User I/O pin (bank 3) |
| 핀 148 | I/O — User I/O pin (bank 3) |
| 핀 149 | I/O — User I/O pin (bank 3) |
| 핀 150 | I/O — User I/O pin (bank 3) |
| 핀 151 | I/O — User I/O pin (bank 3) |
| 핀 152 | I/O — User I/O pin (bank 3) |
| 핀 153 | VCCINT — Core supply voltage 5 V |
| 핀 154 | GND — Ground |
| 핀 155 | I/O — User I/O pin (bank 4) |
| 핀 156 | I/O — User I/O pin (bank 4) |
| 핀 157 | I/O — User I/O pin (bank 4) |
| 핀 158 | I/O — User I/O pin (bank 4) |
| 핀 159 | I/O — User I/O pin (bank 4) |
| 핀 160 | I/O — User I/O pin (bank 4) |
| 핀 161 | I/O — User I/O pin (bank 4) |
| 핀 162 | I/O — User I/O pin (bank 4) |
| 핀 163 | I/O — User I/O pin (bank 4) |
| 핀 164 | I/O — User I/O pin (bank 4) |
| 핀 165 | I/O — User I/O pin (bank 4) |
| 핀 166 | I/O — User I/O pin (bank 4) |
| 핀 167 | I/O — User I/O pin (bank 4) |
| 핀 168 | I/O — User I/O pin (bank 4) |
| 핀 169 | I/O — User I/O pin (bank 4) |
| 핀 170 | I/O — User I/O pin (bank 4) |
| 핀 171 | I/O — User I/O pin (bank 4) |
| 핀 172 | I/O — User I/O pin (bank 4) |
| 핀 173 | I/O — User I/O pin (bank 4) |
| 핀 174 | I/O — User I/O pin (bank 4) |
| 핀 175 | I/O — User I/O pin (bank 4) |
| 핀 176 | I/O — User I/O pin (bank 4) |
| 핀 177 | I/O — User I/O pin (bank 4) |
| 핀 178 | I/O — User I/O pin (bank 4) |
| 핀 179 | I/O — User I/O pin (bank 4) |
| 핀 180 | I/O — User I/O pin (bank 4) |
| 핀 181 | I/O — User I/O pin (bank 4) |
| 핀 182 | I/O — User I/O pin (bank 4) |
| 핀 183 | I/O — User I/O pin (bank 4) |
| 핀 184 | I/O — User I/O pin (bank 4) |
| 핀 185 | I/O — User I/O pin (bank 4) |
| 핀 186 | I/O — User I/O pin (bank 4) |
| 핀 187 | I/O — User I/O pin (bank 4) |
| 핀 188 | I/O — User I/O pin (bank 4) |
| 핀 189 | I/O — User I/O pin (bank 4) |
| 핀 190 | I/O — User I/O pin (bank 4) |
| 핀 191 | I/O — User I/O pin (bank 4) |
| 핀 192 | I/O — User I/O pin (bank 4) |
| 핀 193 | I/O — User I/O pin (bank 4) |
| 핀 194 | I/O — User I/O pin (bank 4) |
| 핀 195 | I/O — User I/O pin (bank 4) |
| 핀 196 | I/O — User I/O pin (bank 4) |
| 핀 197 | I/O — User I/O pin (bank 4) |
| 핀 198 | I/O — User I/O pin (bank 4) |
| 핀 199 | I/O — User I/O pin (bank 4) |
| 핀 200 | I/O — User I/O pin (bank 4) |
| 핀 201 | I/O — User I/O pin (bank 4) |
| 핀 202 | I/O — User I/O pin (bank 4) |
| 핀 203 | I/O — User I/O pin (bank 4) |
| 핀 204 | I/O — User I/O pin (bank 4) |
| 핀 205 | I/O — User I/O pin (bank 4) |
| 핀 206 | I/O — User I/O pin (bank 4) |
| 핀 207 | TDO — JTAG Test Data Out |
| 핀 208 | VCCIO — I/O supply voltage |
일반적인 애플리케이션
EPF8820AQC208-2N 적합 용도: 6 애플리케이션s: 32-bit Bus Bridge and Peripheral Glue Logic, Telecom and Networking Backplane Glue, Industrial Machine Control Logic, ASIC Prototyping and Logic Emulation, Legacy PCI/ISA Peripheral Design, Educational and Lab FPGA Platforms.
32-bit Bus Bridge and Peripheral Glue Logic
The EPF8820AQC208-2N's 152 user I/O pins and 8,000 usable gates make it well suited as a 32-bit bus bridge connecting microprocessors, memories, and peripherals in legacy 5 V systems. Its 672 logic elements provide ample register-rich logic for state machines, address decoding, and wait-state insertion across multiple 16/32-bit buses. Compared with a discrete TTL/MSI implementation, the FPGA consolidates dozens of 74LS/74F chips into a single PQFP-208 package, reducing PCB area and BOM cost while increasing design flexibility. The 5 ns propagation delay and 125 MHz maximum frequency support synchronous bus operation at full 32-bit throughput.
추천
Telecom and Networking Backplane Glue
Telecom and networking backplanes frequently require glue logic for protocol conversion, address multiplexing, and high-pin-count bus arbitration. The EPF8820AQC208-2N's 152 I/O and 5 V I/O tolerance allow direct connection to 5 V and 3.3 V transceivers, simplifying multi-rail backplane design. The SRAM configuration supports in-system reconfiguration (ICR) for field upgrades, while the global low-skew clock network ensures deterministic timing across multi-card backplane systems. Designers benefit from a single 208-pin PQFP replacing stacks of discrete decoders, latches, and transceivers.
추천
Industrial Machine Control Logic
In industrial machine control, the EPF8820AQC208-2N integrates I/O expansion, encoder interface, and PWM/timer logic into a single 5 V FPGA. Its commercial temperature range (0 to 70 °C) suits factory-floor enclosures, while 152 I/O pins handle parallel sensor/actuator wiring without external muxing. Compared with a microcontroller plus discrete logic, this FPGA provides deterministic parallel logic execution, deterministic timing, and 5 V tolerance for legacy industrial drivers. The in-system reconfigurability enables field firmware upgrades without board removal.
추천
ASIC Prototyping and Logic Emulation
The EPF8820AQC208-2N is commonly used as an ASIC prototyping vehicle because its 8,000 gates and 672 LEs allow mapping of mid-complexity ASIC RTL onto FPGA silicon for hardware/software co-verification before tape-out. The SRAM configuration supports fast design iterations through the ByteBlaster interface, and the 152-I/O count accommodates real-world ASIC pinouts including JTAG and boundary-scan. Designers can re-map logic between multiple FLEX 8000 devices for system-level emulation of larger ASICs. Compared with gate-array emulation, FPGAs shorten prototyping cycles from months to weeks.
추천
Legacy PCI/ISA Peripheral Design
Legacy PCI and ISA peripheral cards use the EPF8820AQC208-2N to implement bus interface, DMA control, and interrupt arbitration in a single 5 V FPGA. Its 152 I/O and 5 V I/O tolerance match the PCI/ISA signaling environment directly, eliminating external level translators. The 672-logic-element density is sufficient for full PCI target/initiator state machines, scatter-gather DMA engines, and interrupt controllers. Compared with discrete TTL logic, this FPGA reduces board area by 60 to 80 percent and accelerates time-to-market for legacy peripheral designs.
추천
Educational and Lab FPGA Platforms
Universities and lab training centers historically adopted the EPF8820AQC208-2N for digital logic courses because its 208-pin PQFP and 5 V supply tolerate breadboard-friendly hookups. Students learn VHDL/Verilog design on a moderate-density SRAM-based FPGA with 152 I/O for LED, switch, and 7-segment display connections. Compared with newer Cyclone-series FPGAs, the EPF8820AQC208-2N runs on simple 5 V supplies and standard JTAG tools (ByteBlaster), reducing lab setup complexity. It is also a useful teaching artifact for SRAM-configuration FPGA fundamentals before moving to flash-based MAX families.
추천
추천 제품 요약
엔지니어링 참조 데이터: EPF8820AQC208-2N — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | EPF8820AQC208-2 | EPF8820AQC208-3 | EPF8820AQC208-4 | EPF8636AQC208-3 | EPF8636AQC208-4N | EPF8636AQC208-4 |
|---|---|---|---|---|---|---|---|
| Package | 208-Pin PQFP (FQFP) | 208-Pin PQFP - same | 208-Pin PQFP - same | 208-Pin PQFP - same | 208-Pin PQFP - same | 208-Pin PQFP - same | 208-Pin PQFP - same |
| Brand | Altera | Altera | Altera | Altera | Altera | Altera | Altera |
| Logic Elements | 672 | 672 | 672 | 672 | 576 | 576 | 576 |
| Usable Gates | 8,000 | 8,000 | 8,000 | 8,000 | 6,000 | 6,000 | 6,000 |
| User I/O | 152 | 152 | 152 | 152 | 152 | 152 | 152 |
| Speed Grade | -2 (slowest) | -2 | -3 (faster) | -4 (fastest) | -3 | -4N | -4 |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
주요 차별점
- Lead-free / Pb-free assembly compliance (vs EPF8820AQC208-2)
- Slower speed grade (-2) offers wider timing margin (vs EPF8820AQC208-3)
- Highest usable-gate count in the FLEX 8000 208-PQFP family (vs EPF8636AQC208-3)
설계 노트
The EPF8820AQC208-2N requires a stable 5 V VCCINT supply plus separate VCCIO rails (3.3 V or 5 V per bank). During SRAM configuration, ICC surges to its maximum as internal logic blocks initialize; bulk-decouple VCCINT with at least one 100 µF electrolytic plus 0.1 µF ceramics per VCC pin. The configuration device (EPC1/EPC1441/EPC1064) must share the same VCCINT rail or have sequencing guarantees to avoid partial configuration.
Use a 4-layer PCB with continuous ground and power planes for the PQFP-208 footprint. Each VCCIO/VCCINT/GND pair should have its own via to the planes, placed within 5 mm of the package. Maintain 50 Ω controlled impedance on critical clock and JTAG traces to avoid signal-integrity issues; route the global clock pins (CLK0/CLK1/CLK2) with matched lengths to minimize skew across LABs.
Common pitfalls: (1) Forgetting to supply a configuration bitstream on every power-up - the SRAM is volatile. (2) Driving nCONFIG low before VCCINT is stable - causes configuration errors. (3) Mixing 3.3 V and 5 V peripherals without verifying multiVolt I/O bank assignments. (4) Ignoring ByteBlaster JTAG pull-ups - can cause boundary-scan failures. (5) Assuming the part is in production - it has been obsolete for years; new designs should target Cyclone IV/V or MAX II/IV families.
규정 준수 정보
Lead-free / Pb-free per 'N' suffix in MPN; RoHS compliance not explicitly stated in verified web data. AEC-Q100 not applicable for legacy commercial-grade FPGA.
