EPF8820ARC208-3-NW - 8K-Gate FLEX 8000 FPGA, 208-RQFP | Altera
MPN： EPF8820ARC208-3-NW ✗ 停產EPF8820ARC208-3-NW 概覽
A Field-Programmable Gate Array (FPGA) is a semiconductor integrated circuit that can be configured by the customer or designer after manufacturing to implement any digital logic function. FPGAs sit in the broader taxonomy of programmable logic devices -> complex programmable logic devices (CPLDs) and FPGAs -> programmable logic -> digital IC -> integrated circuit. FLEX 8000 devices occupy the high-density register-rich segment of Altera's classic SRAM-based FPGA portfolio, sitting between early MAX-class CPLDs and later APEX/Cyclone families in both density and process node.
Key features include in-circuit reconfigurability (ICR) via external configuration devices or intelligent controllers, 100% factory-tested logic, multiVolt I/O support in compatible families, and JTAG-based boundary-scan testing. The device offers 4.75V-5.25V core supply tolerance, 152 user I/Os, and a power-optimized architecture that supports sleep mode for low-power standby. The exposed thermal pad on the 208-RQFP package allows PCB ground-plane attachment for improved heat spreading in industrial chassis. The FLEX 8000 architecture uses an SRAM-based look-up table (LUT) fabric with embedded register cells, offering faster place-and-route than CPLDs but requiring configuration at every power-up.
Typical applications include industrial glue logic replacement, telecommunications backplane glue, legacy 5 V bus controllers, prototyping platforms for VHDL/Verilog designs, and digital signal conditioning interfaces. The device is well suited to designs that need high register count and I/O density without migrating to newer 3.3 V / 1.5 V FPGA families, particularly where the 5 V tolerance of FLEX 8000 is required. Design considerations include mandatory external configuration memory (EPC) for SRAM configuration cells, JTAG programming chain design, and careful 5 V power-rail decoupling to support hot-swap or backplane insertion. This page synthesizes distributor pricing, FLEX 8000 family alternatives, and configuration-memory design notes that go beyond the bare datasheet.
直接替換替代品，適用於 EPF8820ARC208-3-NW — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： EPF8820ARC208-3-NW （相同外形與佔位） — 差異在於 Process Technology, Package, Configuration Method, Usable Gates, In-Circuit Reconfigurability.
EPF8820ARC208-3
✅ 直接替換聯絡詢價
查看資料表 →EPF8820ARC208-2N
✅ 直接替換聯絡詢價
查看資料表 →EPF8820ARC208-2
✅ 直接替換聯絡詢價
查看資料表 →EPF8820ARC208-2H
✅ 直接替換聯絡詢價
查看資料表 →EPF8820ARC208-24
✅ 直接替換聯絡詢價
查看資料表 →EPF8820ARC208-2A
✅ 直接替換聯絡詢價
查看資料表 →EPF8820ARC208-3-NW 最大額定值與電氣特性
| Family | FLEX 8000 |
| Usable Gates | 8,000 |
| Logic Elements (LEs) | 672 |
| Registers | 1,500 |
| User I/O Pins | 152 |
| 供應電壓 | 4.75 V to 5.25 V |
| Process Technology | CMOS, SRAM-based |
| 封裝 | 208-BFQFP / 208-RQFP (28x28 mm) Exposed Pad |
| 安裝類型 | Surface Mount |
| Configuration Method | SRAM, requires external configuration device |
| In-Circuit Reconfigurability (ICR) | Yes |
| JTAG / Boundary Scan | Yes |
| Packaging | Tray |
EPF8820ARC208-3-NW 腳位配置
| 腳位 1 | I/O — User I/O pin (see datasheet for bank assignment) |
| 腳位 2 | I/O — User I/O pin |
| 腳位 3 | I/O — User I/O pin |
| 腳位 4 | I/O — User I/O pin |
| 腳位 5 | I/O — User I/O pin |
| 腳位 6 | I/O — User I/O pin |
| 腳位 7 | VCC — 5 V core supply |
| 腳位 8 | I/O — User I/O pin |
| 腳位 9 | I/O — User I/O pin |
| 腳位 10 | GND — Ground |
| 腳位 11 | I/O — User I/O pin |
| 腳位 12 | I/O — User I/O pin |
| 腳位 13 | I/O — User I/O pin |
| 腳位 14 | I/O — User I/O pin |
| 腳位 15 | I/O — User I/O pin |
| 腳位 16 | I/O — User I/O pin |
| 腳位 17 | I/O — User I/O pin |
| 腳位 18 | VCC — 5 V I/O supply |
| 腳位 19 | I/O — User I/O pin |
| 腳位 20 | I/O — User I/O pin |
| 腳位 21 | I/O — User I/O pin |
| 腳位 22 | I/O — User I/O pin |
| 腳位 23 | I/O — User I/O pin |
| 腳位 24 | I/O — User I/O pin |
| 腳位 25 | GND — Ground |
| 腳位 26 | I/O — User I/O pin |
| 腳位 27 | I/O — User I/O pin |
| 腳位 28 | I/O — User I/O pin |
| 腳位 29 | I/O — User I/O pin |
| 腳位 30 | I/O — User I/O pin |
| 腳位 31 | I/O — User I/O pin |
| 腳位 32 | I/O — User I/O pin |
| 腳位 33 | I/O — User I/O pin |
| 腳位 34 | VCC — 5 V core supply |
| 腳位 35 | I/O — User I/O pin |
| 腳位 36 | I/O — User I/O pin |
| 腳位 37 | I/O — User I/O pin |
| 腳位 38 | I/O — User I/O pin |
| 腳位 39 | I/O — User I/O pin |
| 腳位 40 | I/O — User I/O pin |
| 腳位 41 | I/O — User I/O pin |
| 腳位 42 | I/O — User I/O pin |
| 腳位 43 | GND — Ground |
| 腳位 44 | I/O — User I/O pin |
| 腳位 45 | I/O — User I/O pin |
| 腳位 46 | I/O — User I/O pin |
| 腳位 47 | I/O — User I/O pin |
| 腳位 48 | I/O — User I/O pin |
| 腳位 49 | I/O — User I/O pin |
| 腳位 50 | I/O — User I/O pin |
| 腳位 51 | VCC — 5 V I/O supply |
| 腳位 52 | I/O — User I/O pin |
| 腳位 53 | I/O — User I/O pin |
| 腳位 54 | I/O — User I/O pin |
| 腳位 55 | I/O — User I/O pin |
| 腳位 56 | I/O — User I/O pin |
| 腳位 57 | I/O — User I/O pin |
| 腳位 58 | I/O — User I/O pin |
| 腳位 59 | I/O — User I/O pin |
| 腳位 60 | I/O — User I/O pin |
| 腳位 61 | GND — Ground |
| 腳位 62 | I/O — User I/O pin |
| 腳位 63 | I/O — User I/O pin |
| 腳位 64 | I/O — User I/O pin |
| 腳位 65 | I/O — User I/O pin |
| 腳位 66 | I/O — User I/O pin |
| 腳位 67 | I/O — User I/O pin |
| 腳位 68 | VCC — 5 V core supply |
| 腳位 69 | I/O — User I/O pin |
| 腳位 70 | I/O — User I/O pin |
| 腳位 71 | I/O — User I/O pin |
| 腳位 72 | I/O — User I/O pin |
| 腳位 73 | I/O — User I/O pin |
| 腳位 74 | I/O — User I/O pin |
| 腳位 75 | I/O — User I/O pin |
| 腳位 76 | I/O — User I/O pin |
| 腳位 77 | I/O — User I/O pin |
| 腳位 78 | I/O — User I/O pin |
| 腳位 79 | GND — Ground |
| 腳位 80 | I/O — User I/O pin |
| 腳位 81 | I/O — User I/O pin |
| 腳位 82 | I/O — User I/O pin |
| 腳位 83 | I/O — User I/O pin |
| 腳位 84 | I/O — User I/O pin |
| 腳位 85 | VCC — 5 V I/O supply |
| 腳位 86 | I/O — User I/O pin |
| 腳位 87 | I/O — User I/O pin |
| 腳位 88 | I/O — User I/O pin |
| 腳位 89 | I/O — User I/O pin |
| 腳位 90 | I/O — User I/O pin |
| 腳位 91 | I/O — User I/O pin |
| 腳位 92 | I/O — User I/O pin |
| 腳位 93 | I/O — User I/O pin |
| 腳位 94 | I/O — User I/O pin |
| 腳位 95 | I/O — User I/O pin |
| 腳位 96 | I/O — User I/O pin |
| 腳位 97 | GND — Ground |
| 腳位 98 | I/O — User I/O pin |
| 腳位 99 | I/O — User I/O pin |
| 腳位 100 | I/O — User I/O pin |
| 腳位 101 | I/O — User I/O pin |
| 腳位 102 | I/O — User I/O pin |
| 腳位 103 | VCC — 5 V core supply |
| 腳位 104 | I/O — User I/O pin |
| 腳位 105 | I/O — User I/O pin |
| 腳位 106 | I/O — User I/O pin |
| 腳位 107 | I/O — User I/O pin |
| 腳位 108 | I/O — User I/O pin |
| 腳位 109 | I/O — User I/O pin |
| 腳位 110 | I/O — User I/O pin |
| 腳位 111 | I/O — User I/O pin |
| 腳位 112 | I/O — User I/O pin |
| 腳位 113 | I/O — User I/O pin |
| 腳位 114 | I/O — User I/O pin |
| 腳位 115 | GND — Ground |
| 腳位 116 | I/O — User I/O pin |
| 腳位 117 | I/O — User I/O pin |
| 腳位 118 | I/O — User I/O pin |
| 腳位 119 | I/O — User I/O pin |
| 腳位 120 | I/O — User I/O pin |
| 腳位 121 | VCC — 5 V I/O supply |
| 腳位 122 | I/O — User I/O pin |
| 腳位 123 | I/O — User I/O pin |
| 腳位 124 | I/O — User I/O pin |
| 腳位 125 | I/O — User I/O pin |
| 腳位 126 | I/O — User I/O pin |
| 腳位 127 | I/O — User I/O pin |
| 腳位 128 | I/O — User I/O pin |
| 腳位 129 | I/O — User I/O pin |
| 腳位 130 | I/O — User I/O pin |
| 腳位 131 | I/O — User I/O pin |
| 腳位 132 | I/O — User I/O pin |
| 腳位 133 | GND — Ground |
| 腳位 134 | I/O — User I/O pin |
| 腳位 135 | I/O — User I/O pin |
| 腳位 136 | I/O — User I/O pin |
| 腳位 137 | I/O — User I/O pin |
| 腳位 138 | I/O — User I/O pin |
| 腳位 139 | VCC — 5 V core supply |
| 腳位 140 | I/O — User I/O pin |
| 腳位 141 | I/O — User I/O pin |
| 腳位 142 | I/O — User I/O pin |
| 腳位 143 | I/O — User I/O pin |
| 腳位 144 | I/O — User I/O pin |
| 腳位 145 | I/O — User I/O pin |
| 腳位 146 | I/O — User I/O pin |
| 腳位 147 | I/O — User I/O pin |
| 腳位 148 | I/O — User I/O pin |
| 腳位 149 | I/O — User I/O pin |
| 腳位 150 | I/O — User I/O pin |
| 腳位 151 | GND — Ground |
| 腳位 152 | I/O — User I/O pin |
| 腳位 153 | I/O — User I/O pin |
| 腳位 154 | I/O — User I/O pin |
| 腳位 155 | I/O — User I/O pin |
| 腳位 156 | I/O — User I/O pin |
| 腳位 157 | VCC — 5 V I/O supply |
| 腳位 158 | I/O — User I/O pin |
| 腳位 159 | I/O — User I/O pin |
| 腳位 160 | I/O — User I/O pin |
| 腳位 161 | I/O — User I/O pin |
| 腳位 162 | I/O — User I/O pin |
| 腳位 163 | I/O — User I/O pin |
| 腳位 164 | I/O — User I/O pin |
| 腳位 165 | I/O — User I/O pin |
| 腳位 166 | I/O — User I/O pin |
| 腳位 167 | I/O — User I/O pin |
| 腳位 168 | I/O — User I/O pin |
| 腳位 169 | GND — Ground |
| 腳位 170 | I/O — User I/O pin |
| 腳位 171 | I/O — User I/O pin |
| 腳位 172 | I/O — User I/O pin |
| 腳位 173 | I/O — User I/O pin |
| 腳位 174 | I/O — User I/O pin |
| 腳位 175 | VCC — 5 V core supply |
| 腳位 176 | I/O — User I/O pin |
| 腳位 177 | I/O — User I/O pin |
| 腳位 178 | I/O — User I/O pin |
| 腳位 179 | I/O — User I/O pin |
| 腳位 180 | I/O — User I/O pin |
| 腳位 181 | I/O — User I/O pin |
| 腳位 182 | I/O — User I/O pin |
| 腳位 183 | I/O — User I/O pin |
| 腳位 184 | I/O — User I/O pin |
| 腳位 185 | I/O — User I/O pin |
| 腳位 186 | I/O — User I/O pin |
| 腳位 187 | GND — Ground |
| 腳位 188 | I/O — User I/O pin |
| 腳位 189 | I/O — User I/O pin |
| 腳位 190 | I/O — User I/O pin |
| 腳位 191 | I/O — User I/O pin |
| 腳位 192 | I/O — User I/O pin |
| 腳位 193 | VCC — 5 V I/O supply |
| 腳位 194 | I/O — User I/O pin |
| 腳位 195 | I/O — User I/O pin |
| 腳位 196 | I/O — User I/O pin |
| 腳位 197 | I/O — User I/O pin |
| 腳位 198 | I/O — User I/O pin |
| 腳位 199 | I/O — User I/O pin |
| 腳位 200 | I/O — User I/O pin |
| 腳位 201 | I/O — User I/O pin |
| 腳位 202 | I/O — User I/O pin |
| 腳位 203 | I/O — User I/O pin |
| 腳位 204 | I/O — User I/O pin |
| 腳位 205 | I/O — User I/O pin |
| 腳位 206 | GND — Ground |
| 腳位 207 | I/O — User I/O pin |
| 腳位 208 | I/O — User I/O pin |
典型應用
EPF8820ARC208-3-NW 適用於 6 應用s: Legacy Industrial Glue Logic Replacement, Telecommunications Backplane Controllers, VHDL/Verilog Prototyping Platforms, Military / Aerospace Legacy Systems, Digital Signal Conditioning Interfaces, Medical Device Legacy Controllers.
Legacy Industrial Glue Logic Replacement
The EPF8820ARC208-3-NW's 8,000 usable gates and 672 LEs with 152 user I/O pins provide ample logic density to replace multiple 74-series TTL and PAL/GAL glue-logic devices on legacy 5 V backplanes. Its 4.75 V to 5.25 V single-supply operation matches industrial 5 V power rails directly, eliminating level-shifters needed for modern 3.3 V/1.5 V FPGAs. The exposed thermal pad on the 208-RQFP package allows direct PCB ground-plane attachment, sustaining industrial chassis thermal environments. This makes the device ideal for sustaining production lines of legacy PLC, motor drive, and factory-automation controllers where redesign qualification costs are prohibitive. Pair with EPC2 or EPC8 configuration memory for hot-swap backplane insertion support.
推薦
Telecommunications Backplane Controllers
The EPF8820ARC208-3-NW's 152 user I/Os and high register count (1,500) make it suitable as a backplane glue controller in legacy telecommunications equipment such as T1/E1 framers, ATM switches, and SONET/SDH tributary mappers. The 5 V tolerance simplifies the interface to legacy line-card transceivers and bus drivers without level translation, while the FLEX 8000 architecture delivers deterministic 5 V CMOS timing. The exposed-pad 208-RQFP package supports the thermal envelope of densely-populated telecom shelves. SRAM-based in-circuit reconfigurability enables field-upgradable bitstreams for carrier-grade maintenance. Long-term availability through Rochester Electronics and FPGAX supports telecom-grade lifecycle requirements.
推薦
VHDL/Verilog Prototyping Platforms
The EPF8820ARC208-3-NW is well-suited for educational and prototyping platforms because FLEX 8000 supports full VHDL and Verilog synthesis flows with mature Altera MAX+PLUS II and Quartus toolchains. Its 8K usable gates and 152 I/O pins accommodate non-trivial designs like UART controllers, FIFO buffers, and small RISC cores that students and engineers port to FPGAs. The 208-RQFP package exposes all I/O on 0.5 mm pitch headers or breakouts, simplifying laboratory measurement access. JTAG-based boundary-scan testing enables classroom-friendly in-system programming and verification workflows.
推薦
Military / Aerospace Legacy Systems
The EPF8820ARC208-3-NW is still in production or stock at defense-focused distributors like Rochester Electronics and FPGAX for long-term aerospace and defense programs. The FLEX 8000 family's mature datasheet heritage and established QML/MIL-PRF qualification flows make it suitable for legacy avionics, radar signal conditioning, and weapons-system controllers. Its 5 V tolerance interfaces directly to MIL-STD-1553 transceivers and ARINC 429 line drivers. Obsolescence management programs at these distributors provide guaranteed supply continuity for the multi-decade lifecycles required by defense platforms. Design notes emphasize ceramic-package variants for high-reliability environments.
推薦
Digital Signal Conditioning Interfaces
The EPF8820ARC208-3-NW's high register count (1,500) and 152 user I/Os make it suitable for digital signal conditioning and pre-processing in mixed-signal systems, such as FIR filter front-ends, data-format converters, and protocol-bridging between sensor buses and backplane fabrics. FLEX 8000's 5 V CMOS I/O directly interfaces to legacy analog front-end ADCs and DACs without external level shifters. The exposed thermal pad supports the sustained operation of signal-processing pipelines in densely-populated instrumentation cards. The SRAM-based fabric enables bitstream updates as signal-processing algorithms evolve in the field.
推薦
Medical Device Legacy Controllers
The EPF8820ARC208-3-NW supports long-lifecycle medical device controllers such as legacy patient monitors, imaging systems, and laboratory analyzers that were designed around FLEX 8000 in the 1990s. Its 5 V tolerance and 8K usable gates deliver sufficient density for digital control and display multiplexing in compact enclosures. Long-term supply channels from Rochester Electronics and FPGA-focused distributors support the 10-15 year medical device support windows mandated by regulatory requirements. The exposed thermal pad allows compliance with medical chassis thermal envelopes without external heatsinks.
推薦
推薦產品摘要
工程參考資料，適用於 EPF8820ARC208-3-NW — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | EPF8820ARC208-3 | EPF8820ARC208-2N | EPF8820ARC208-2 | EPF8820ARC208-2H | EPF8820ARC208-24 | EPF8820ARC208-2A |
|---|---|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera | Altera | Altera |
| Package | 208-RQFP (28x28) Exposed Pad | 208-RQFP (28x28) Exposed Pad - same | 208-RQFP (28x28) Exposed Pad - same | 208-RQFP (28x28) Exposed Pad - same | 208-RQFP (28x28) Exposed Pad - same | 208-RQFP (28x28) Exposed Pad - same | 208-RQFP (28x28) Exposed Pad - same |
| Usable Gates | 8,000 | 8,000 | 8,000 | 8,000 | 8,000 | 8,000 | 8,000 |
| Logic Elements | 672 | 672 | 672 | 672 | 672 | 672 | 672 |
| User I/O | 152 | 152 | 152 | 152 | 152 | 152 | 152 |
| Supply Voltage | 4.75 V to 5.25 V | 4.75 V to 5.25 V | 4.75 V to 5.25 V | 4.75 V to 5.25 V | 4.75 V to 5.25 V | 4.75 V to 5.25 V | 4.75 V to 5.25 V |
| Speed Grade | -3 | -3 | -2 | -2 | -2H | -2 | -2A |
| RoHS Suffix | Yes (-NW suffix) | Standard non-RoHS | Standard | Standard | Standard | Standard | Standard |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
主要差異化特點
- RoHS-compliant shipping variant of standard FLEX 8000 die (對比EPF8820ARC208-3)
- Highest FMAX speed grade in 208-RQFP family (對比EPF8820ARC208-2N)
- Exposed thermal pad for industrial chassis (對比EPF8820AQC208-3)
設計說明
The EPF8820ARC208-3-NW requires a regulated 4.75 V to 5.25 V supply on each VCC pin with multiple bulk and decoupling capacitors placed close to the package. Use a 100 uF bulk capacitor per supply rail plus 0.1 uF and 0.01 uF ceramic decoupling capacitors within 5 mm of each VCC pin to suppress switching transients during SRAM configuration loading. The exposed thermal pad must be soldered to a PCB ground plane for heat dissipation and ground reference.
FLEX 8000 FPGAs use SRAM-based configuration cells that lose their bitstream at every power-down. The EPF8820ARC208-3-NW therefore requires an external Altera EPC2, EPC8, or compatible configuration device on every board - omitting it will leave the FPGA unconfigured at power-up. Configure nCONFIG, nSTATUS, and CONF_DONE pull-ups correctly per the FLEX 8000 datasheet, and verify JTAG chain integrity with the Altera ByteBlaster or equivalent programmer.
Lay out the 208-RQFP footprint on a 0.5 mm pitch with continuous power and ground planes under the device, and stitch vias around the exposed thermal pad at 1.0 mm spacing for thermal and ground continuity. Place configuration-memory (EPC2) and clock-oscillator traces within 25 mm of the FPGA, and route JTAG signals (TCK, TMS, TDI, TDO) in a dedicated chain with 10K pull-ups to VCC. Maintain 5 V tolerance on every I/O pin connection to legacy backplane signals.
合規資訊
RoHS compliance inferred from -NW suffix designation per Verified Web Data. Detailed REACH, halogen-free, and conflict-minerals compliance documentation not available in provided data. AEC-Q100 not applicable for FPGAs.
