EPF8820AQC160-4 - 8K Gate FLEX 8000 FPGA 672 Cells 160-PQFP | Altera
Артикул: EPF8820AQC160-4 ✗ Снят с производства| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $28.5 | $28,50 |
| 10 | $25.6 | $256,00 |
| 100 | $22.75 | $2.275,00 |
| 500 | $20.1 | $10.050,00 |
| 1.000 | $17.95 | $17.950,00 |
EPF8820AQC160-4 Обзор
A FPGA (Field-Programmable Gate Array) is a type of programmable logic device (PLD) that allows engineers to implement custom digital logic through a matrix of configurable logic blocks (CLBs / LEs), programmable interconnect, and I/O cells. FPGAs sit between fixed-function ASICs and smaller CPLDs in the programmable logic hierarchy: they offer higher density and richer register-rich architecture than CPLDs, while providing faster prototyping and lower NRE cost than ASICs. The FLEX 8000 family targets glue-logic, bus-interface, DSP preprocessing, and data-path applications where register density and continuous fast routing matter more than absolute gate count.
Key features of the EPF8820AQC160-4 include 84 Logic Array Blocks (LABs), continuous high-performance routing resources, in-circuit reconfigurability (ICR) via external configuration devices, and a register-rich architecture suitable for state machines, pipelined datapaths, and DSP frontend functions. The four-input look-up-table (LUT) based LE delivers predictable combinational and sequential logic performance, while multiple fast-row and fast-column interconnect channels minimize critical-path delay across the die.
Technically, the EPF8820AQC160-4 implements an SRAM-based configuration memory (volatile, must be configured at every power-up from an external EPROM or micro-controller). Each LE embeds a 4-input LUT plus a programmable register, and groups of eight LEs form a LAB with local interconnect. The device supports JTAG (IEEE 1149.1) boundary-scan testing, tri-state bus drivers on every I/O, and PCI-compatible output drive strengths. It uses 5 V CMOS/TTL I/O with multi-voltage I/O (MVIO) capability through separate VCCIO banks in some package variants.
Typical applications include telecommunications line-card glue logic, industrial-control interface bridging, DSP co-processing front-ends, wide data-path manipulation, and data-format conversion in legacy 5 V systems. Designers often select the EPF8820AQC160-4 when they need moderate logic density with abundant I/O in a proven mature-node process.
A key design consideration is configuration: this device does not retain its bitstream when power is removed, so designers must pair it with a serial configuration EPROM (EPC1, EPC2, EPC16) or use a micro-controller to load the bitstream at boot. Because the FLEX 8000 family has been NRND for many years, designers should verify long-term availability and consider the Altera Cyclone series for new designs.
This page synthesizes distributor pricing, application guidance, and drop-in same-family alternatives not typically collected on a single manufacturer datasheet page — useful when extending the lifecycle of installed FLEX 8000 designs or sourcing replacements for obsolete stock.
Аналоги без доработки для EPF8820AQC160-4 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с EPF8820AQC160-4 (тот же форм-фактор и посадочное место) — отличается по Package, Process Technology, Operating Temperature, User I/Os, Speed Grade.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
EPF8820AQC160-3
✅ Прямая замена✓ В наличии
$17.95 / шт.
Открыть даташит →EPF8820AQC160-2
✅ Прямая замена✓ В наличии
$17.9 / шт.
Открыть даташит →EPF8636AQC160-4
✅ Прямая замена✓ В наличии
$198 / шт.
Открыть даташит →EPF8636AQC160-4N
✅ Прямая замена✓ В наличии
$52.3 / шт.
Открыть даташит →EPF8452AQC160-4
✅ Прямая замена✓ В наличии
$11 / шт.
Открыть даташит →EPF8820AQC160-4 Максимальные параметры и электрические характеристики
| Family | FLEX 8000 |
| Logic Elements / Cells | 672 |
| Usable Gates | 8,000 |
| Logic Array Blocks (LABs) | 84 |
| User I/Os | 120 |
| Process Technology | 0.42 µm CMOS |
| Maximum Operating Frequency | 125 MHz |
| Supply Voltage (VCC) | 4.75 V to 5.25 V |
| Рабочая температура | 0 °C to 70 °C (Commercial) |
| Speed Grade | -4 |
| Корпус | 160-pin PQFP / BQFP |
| Тип монтажа | Surface Mount |
| Configuration Memory | SRAM (volatile) |
| In-Circuit Reconfigurability | Yes (via external configuration device) |
Руководство по цоколевке EPF8820AQC160-4 в корпусе 160-pin pqfp / bqfp
Цоколевка для EPF8820AQC160-4 (корпус 160-pin pqfp / bqfp). Эта цифровая ИС включает выводы GPIO, интерфейсы связи (UART, SPI, I2C) и выводы питания. Обратитесь к техническому описанию производителя для альтернативных функций выводов и вариантов конфигурации. Необходимо для проектирования встраиваемых систем и трассировки печатных плат.
Нет подробных данных о распиновке для EPF8820AQC160-4.
Обратитесь к даташиту для полной конфигурации выводов.
Типичное применение
EPF8820AQC160-4 подходит для 6 применениеs: 5 V Telecom Line-Card Glue Logic, Industrial Control Interface Bridging, DSP Front-End Pre-Processing, Wide Data-Path Manipulation & Format Conversion, Legacy Computing Bus Interface / Adapter, Test & Measurement Front-End Logic.
5 V Telecom Line-Card Glue Logic
The EPF8820AQC160-4 is well suited to legacy 5 V telecom line-card glue logic where it bridges backplane buses, multiplexers, and protocol converters. With 672 logic cells and 120 user I/Os, it can absorb multiple 32-bit bus bridges and FIFO controllers on a single device. Its native 5 V TTL/CMOS I/O eliminates level-shifters when interfacing to legacy ASICs. The -4 speed grade comfortably meets 25–40 MHz backplane timing at the lowest unit cost in the FLEX 8000 family, making it cost-effective for high-volume line-card production where absolute Fmax is not critical.
Рекомендуется
Industrial Control Interface Bridging
In industrial-control PLC and DCS backplanes, the EPF8820AQC160-4 acts as a programmable interface bridge between field-bus controllers (Profibus, CAN, RS-485) and 5 V parallel control logic. Its 84 LABs and continuous fast-row routing accommodate state machines for protocol parsing, while the 120 I/Os handle 16-bit and 32-bit parallel data buses without external muxing. Commercial 0 °C to 70 °C operation suits cabinet-mounted equipment. Designers appreciate the deterministic FLEX 8000 timing model and Quartus II legacy support for replicating proven industrial designs.
Рекомендуется
DSP Front-End Pre-Processing
The EPF8820AQC160-4 functions as a DSP front-end preprocessor — implementing FIR/IIR filter stages, sample-rate converters, and data-packing logic in front of a fixed-point DSP or ASIC. With 672 logic cells and 8,000 usable gates, it can implement 8–16 parallel multiplier-accumulator taps at audio-bandwidth sample rates (8–48 kHz) and 16-bit widths. The continuous routing fabric minimizes critical-path delay between MAC stages, while 5 V I/O allows direct connection to legacy audio ADCs/DACs without level translation. The -4 grade targets cost-sensitive consumer-audio designs where maximum Fmax is not required.
Рекомендуется
Wide Data-Path Manipulation & Format Conversion
Wide data-path manipulation is a flagship FLEX 8000 use case, and the EPF8820AQC160-4 with 120 I/Os is ideal for 32-bit data-format converters (e.g., big-endian to little-endian, parallel-to-serialized video streams, CRC generators). Its register-rich LAB structure provides abundant pipeline registers between bit-slice operations, supporting multi-stage pipelined datapaths at 40–60 MHz on the -4 grade. PCI-compatible output drive strength enables direct bus attachment in legacy PCI add-in cards and embedded systems, while JTAG boundary-scan simplifies board-level test.
Рекомендуется
Legacy Computing Bus Interface / Adapter
The EPF8820AQC160-4 is a common choice for legacy computing adapter cards (ISA, VME, PCI) where 5 V signaling is mandatory. With 120 user I/Os it can implement 32-bit bus mastering plus interrupt/arbitration logic on a single device. The FLEX 8000 PCI-compatible I/O drivers meet PCI 5 V signaling requirements directly. The -4 speed grade supports 33 MHz PCI at typical bus-master workloads, while the PQFP-160 package is compatible with conventional through-hole and socketed adapter form factors still in service in industrial and military computing.
Рекомендуется
Test & Measurement Front-End Logic
In test & measurement instrumentation, the EPF8820AQC160-4 functions as the timing-and-control FPGA that sequences stimulus/response cycles, multiplexes ADC channels, and formats results for the host processor. Its 672 cells comfortably handle 16-channel scanners, pulse-pattern generators, and IEEE-488 / GPIB interface glue. The 5 V-tolerant I/O simplifies interfacing to legacy instrumentation buses, while the JTAG port allows in-system reconfiguration for different test routines. Designers value the mature Quartus II MAX+PLUS II toolchain for backporting legacy test programs.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для EPF8820AQC160-4 — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | EPF8820AQC160-3 | EPF8820AQC160-2 | EPF8636AQC160-4 | EPF8636AQC160-4N | EPF8452AQC160-4 |
|---|---|---|---|---|---|---|
| Brand | Altera / Intel | Altera / Intel | Altera / Intel | Altera / Intel | Altera / Intel | Altera / Intel |
| Package | 160-pin PQFP / BQFP | 160-pin PQFP / BQFP (same) | 160-pin PQFP / BQFP (same) | 160-pin PQFP / BQFP (same) | 160-pin PQFP / BQFP (same, lead-free) | 160-pin PQFP / BQFP (same) |
| Logic Cells | 672 | 672 | 672 | 576 (-14%) | 576 (-14%) | 452 (-33%) |
| Usable Gates | 8,000 | 8,000 | 8,000 | 6,000 | 6,000 | 4,000 |
| Speed Grade | -4 (slowest) | -3 (mid) | -2 (fastest) | -4 | -4 | -4 |
| User I/Os | 120 | 120 | 120 | 120 | 120 | 120 |
| Supply Voltage | 4.75 V – 5.25 V | 4.75 V – 5.25 V | 4.75 V – 5.25 V | 4.75 V – 5.25 V | 4.75 V – 5.25 V | 4.75 V – 5.25 V |
| Operating Temperature | 0 °C to 70 °C | 0 °C to 70 °C | 0 °C to 70 °C | 0 °C to 70 °C | 0 °C to 70 °C | 0 °C to 70 °C |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND | NRND |
Ключевые отличия
- Highest logic-cell density in the FLEX 8000 160-PQFP family (против EPF8636AQC160-4)
- Same die as EPF8820AQC160-3, configurable at lowest cost (против EPF8820AQC160-3)
- 5 V TTL/CMOS native I/O — directly compatible with legacy logic (против Altera Cyclone IV (modern 3.3 V/2.5 V/1.8 V FPGA))
Заметки по проектированию
The EPF8820AQC160-4 requires a tightly regulated 5 V ±5 % supply on VCCINT/VCCIO. Decouple each VCC pin with a 0.1 µF ceramic plus a shared 10 µF tantalum bulk capacitor within 25 mm of the package. The I/O banks share VCCIO, so mixing 5 V TTL and 3.3 V LVCMOS peripherals on the same banks is not supported on this 5 V-only FLEX 8000 variant — use external level-shifters for sub-5 V interfaces.
The FLEX 8000 family uses SRAM configuration memory — the bitstream is volatile and must be reloaded from an external EPC1/EPC2 configuration EPROM or micro-controller at every power-up. Forgetting this is the #1 reason FLEX 8000 prototypes appear "dead". Also note: bitstreams are NOT interchangeable across FLEX 8000 sub-families (EPF8820 vs EPF8636 vs EPF8452). Migration between sub-families requires re-synthesis with the corresponding MAX+PLUS II / Quartus library.
Estimated: at 125 MHz toggle rate with 50 % I/O switching, the EPF8820AQC160-4 dissipates approximately 0.8–1.2 W. The 160-pin PQFP has θJA ≈ 38 °C/W (typical, still-air, no heatsink), giving a junction-temperature rise of ~30–45 °C above ambient. No heatsink is required in standard commercial-temperature (0–70 °C) cabinet environments, but provide continuous copper pours on VCC/GND planes and thermal vias beneath the die-attach pad area when possible.
Route all 160 PQFP signals on the top layer with via-stitching to inner VCC/GND planes, keeping trace lengths matched within 25 mm for buses wider than 16 bits. Place the configuration EPROM (EPC2LC20) within 50 mm of the FPGA's DATA0/DCLK/nCONFIG pins and add 33 Ω series damping on DCLK. JTAG TDI/TDO/TMS/TCK should be pulled up per IEEE 1149.1 and brought to a header for in-system programming.
Информация о соответствии
Compliance information for the EPF8820AQC160-4 was not present in the verified web data. RoHS/REACH/lead-free status must be confirmed directly with the distributor or via the manufacturer's PCN documentation. The -4 suffix denotes speed grade only, not lead-free; for lead-free finish, the -N suffixed variant (e.g., EPF8820AQC160-4N if available) is typically specified. Not AEC-Q100 — FLEX 8000 is commercial/industrial grade only.
