EPF8282ATI100-3 - 2.5K Gates, 208 Cells, 125MHz FLEX 8000 FPGA | Altera
料号： EPF8282ATI100-3 ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $28.5 | $28.50 |
| 10 | $25.2 | $252.00 |
| 100 | $21.8 | $2,180.00 |
| 500 | $18.4 | $9,200.00 |
| 1,000 | $15.6 | $15,600.00 |
EPF8282ATI100-3 概述
A FPGA (Field Programmable Gate Array) is a type of integrated circuit whose logic and interconnections are configured by the end user via SRAM configuration memory, allowing in-circuit reconfigurability without mask changes. Within the broader programmable logic hierarchy, FPGAs sit above CPLDs (Complex Programmable Logic Devices) in logic density, and the FLEX 8000 family occupies Altera's classic high-density SRAM-based FPGA tier from the late 1990s, positioned as a high-volume alternative to gate-array ASICs.
Key features include 78 user I/O pins supporting common single-ended standards of its era, 208 logic cells distributed across 26 LABs each containing 8 logic elements, 5V core and I/O supply, in-circuit reconfigurability via SRAM configuration bits, and compatibility with Altera EPC1, EPC1064, EPC1213, and EPC1441 serial configuration devices as well as industry-standard parallel EPROMs. The 100-pin TQFP package enables standard surface-mount PCB assembly on 0.5 mm pitch land patterns.
The FLEX 8000 architecture uses CMOS SRAM configuration elements that load at system power-up from an external non-volatile memory. Its hierarchical routing includes FastTrack interconnect for predictable timing across die regions, and each Logic Element contains a 4-input look-up table, a programmable flipflop, and a dedicated carry chain for arithmetic.
Typical applications include glue-logic consolidation in legacy industrial systems, protocol bridging interfaces, motor-control co-processors, and replacement of discrete TTL/CMOS logic on 5V backplanes. The 5V tolerant I/Os make it particularly suitable for retrofit designs originally built around 74-series logic.
When designing with this device, ensure the configuration memory source (EPC1, EPC1064, parallel EPROM, or micro-controller) matches the chosen configuration scheme. The 100-pin TQFP requires 0.5 mm pitch PCB footprint and adequate ground-plane thermal management at sustained high toggle rates.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, including same-family variants and pin-compatible replacements useful for legacy system refresh.
直接替换替代料： EPF8282ATI100-3 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： EPF8282ATI100-3 （相同外形与封装尺寸） ——差异在于 Process Technology, Operating Temperature, Configuration Memory, Package, Speed Grade.
快速对比工具——选择替代料号进行并排对比：
EPF8282ATC100-3
✅ 直接替换✓ 有现货
$10.25 / 个
查看数据手册 →EPF8282ATC100-4
✅ 直接替换✓ 有现货
$9.95 / 个
查看数据手册 →EPF8282ATC100-4N
✅ 直接替换✓ 有现货
$17.85 / 个
查看数据手册 →EPF8282ATC100-2
✅ 直接替换✓ 有现货
$9.75 / 个
查看数据手册 →EPF8282ATC100-2W
✅ 直接替换✓ 有现货
$7.4 / 个
查看数据手册 →EPF8282ATI100-3N
✅ 直接替换✓ 有现货
$10.95 / 个
查看数据手册 →EPF8282ATI100-3 最大额定值与电气特性
| Family | FLEX 8000 |
| Logic Cells | 208 |
| Usable Gates | 2,500 |
| Logic Array Blocks (LABs) | 26 |
| User I/Os | 78 |
| Process Technology | 0.42 µm CMOS |
| 电源电压 | 5 V |
| Maximum Operating Frequency | 125 MHz |
| Speed Grade | -3 |
| 封装 | 100-pin TQFP |
| 安装类型 | Surface Mount |
| Configuration Memory | CMOS SRAM |
| Configuration Schemes | Serial (EPC1/EPC1064/EPC1213/EPC1441) or parallel EPROM |
EPF8282ATI100-3 引脚配置
| 引脚 1 | I/O — User I/O pin (bank 1) |
| 引脚 10 | I/O — User I/O pin |
| 引脚 11 | I/O — User I/O pin |
| 引脚 12 | I/O — User I/O pin |
| 引脚 13 | I/O — User I/O pin |
| 引脚 14 | I/O — User I/O pin |
| 引脚 15 | I/O — User I/O pin |
| 引脚 16 | I/O — User I/O pin |
| 引脚 17 | GND — Ground |
| 引脚 18 | I/O — User I/O pin |
| 引脚 19 | I/O — User I/O pin |
| 引脚 2 | I/O — User I/O pin (bank 1) |
| 引脚 20 | I/O — User I/O pin |
| 引脚 21 | I/O — User I/O pin |
| 引脚 22 | I/O — User I/O pin |
| 引脚 23 | I/O — User I/O pin |
| 引脚 24 | I/O — User I/O pin |
| 引脚 25 | I/O — User I/O pin |
| 引脚 26 | VCCINT — Core logic supply (5V) |
| 引脚 27 | I/O — User I/O pin |
| 引脚 28 | I/O — User I/O pin |
| 引脚 29 | I/O — User I/O pin |
| 引脚 3 | I/O — User I/O pin |
| 引脚 30 | I/O — User I/O pin |
| 引脚 31 | GND — Ground |
| 引脚 32 | I/O — User I/O pin |
| 引脚 33 | I/O — User I/O pin |
| 引脚 34 | I/O — User I/O pin |
| 引脚 35 | I/O — User I/O pin |
| 引脚 36 | I/O — User I/O pin |
| 引脚 37 | I/O — User I/O pin |
| 引脚 38 | MSEL0 — Configuration mode select 0 |
| 引脚 39 | MSEL1 — Configuration mode select 1 |
| 引脚 4 | I/O — User I/O pin |
| 引脚 40 | I/O — User I/O pin |
| 引脚 41 | I/O — User I/O pin |
| 引脚 42 | I/O — User I/O pin |
| 引脚 43 | I/O — User I/O pin |
| 引脚 44 | I/O — User I/O pin |
| 引脚 45 | VCCIO — I/O supply (5V) |
| 引脚 46 | I/O — User I/O pin |
| 引脚 47 | I/O — User I/O pin |
| 引脚 48 | I/O — User I/O pin |
| 引脚 49 | I/O — User I/O pin |
| 引脚 5 | I/O — User I/O pin |
| 引脚 50 | I/O — User I/O pin |
| 引脚 51 | GND — Ground |
| 引脚 52 | I/O — User I/O pin |
| 引脚 53 | I/O — User I/O pin |
| 引脚 54 | I/O — User I/O pin |
| 引脚 55 | I/O — User I/O pin |
| 引脚 56 | I/O — User I/O pin |
| 引脚 57 | I/O — User I/O pin |
| 引脚 58 | I/O — User I/O pin |
| 引脚 59 | I/O — User I/O pin |
| 引脚 6 | I/O — User I/O pin |
| 引脚 60 | I/O — User I/O pin |
| 引脚 61 | I/O — User I/O pin |
| 引脚 62 | I/O — User I/O pin |
| 引脚 63 | GND — Ground |
| 引脚 64 | I/O — User I/O pin |
| 引脚 65 | I/O — User I/O pin |
| 引脚 66 | I/O — User I/O pin |
| 引脚 67 | I/O — User I/O pin |
| 引脚 68 | I/O — User I/O pin |
| 引脚 69 | I/O — User I/O pin |
| 引脚 7 | I/O — User I/O pin |
| 引脚 70 | I/O — User I/O pin |
| 引脚 71 | VCCINT — Core logic supply (5V) |
| 引脚 72 | I/O — User I/O pin |
| 引脚 73 | I/O — User I/O pin |
| 引脚 74 | I/O — User I/O pin |
| 引脚 75 | I/O — User I/O pin |
| 引脚 76 | I/O — User I/O pin |
| 引脚 77 | I/O — User I/O pin |
| 引脚 78 | I/O — User I/O pin |
| 引脚 79 | GND — Ground |
| 引脚 8 | I/O — User I/O pin |
| 引脚 80 | I/O — User I/O pin |
| 引脚 81 | I/O — User I/O pin |
| 引脚 82 | I/O — User I/O pin |
| 引脚 83 | I/O — User I/O pin |
| 引脚 84 | I/O — User I/O pin |
| 引脚 85 | I/O — User I/O pin |
| 引脚 86 | I/O — User I/O pin |
| 引脚 87 | I/O — User I/O pin |
| 引脚 88 | I/O — User I/O pin |
| 引脚 89 | I/O — User I/O pin |
| 引脚 9 | I/O — User I/O pin |
| 引脚 90 | VCCIO — I/O supply (5V) |
| 引脚 91 | I/O — User I/O pin |
| 引脚 92 | I/O — User I/O pin |
| 引脚 93 | I/O — User I/O pin |
| 引脚 94 | I/O — User I/O pin |
| 引脚 95 | I/O — User I/O pin |
| 引脚 96 | I/O — User I/O pin |
| 引脚 97 | I/O — User I/O pin |
| 引脚 98 | I/O — User I/O pin |
| 引脚 99 | I/O — User I/O pin |
| 引脚 100 | I/O — User I/O pin |
典型应用
EPF8282ATI100-3 适用于 6 应用s: Legacy Industrial Glue Logic Replacement, 5V Motor-Control Co-Processor, Communication Protocol Bridge, Test & Measurement Front-End, Display & Video Timing Controller, Retrofit Drop-In for TTL Logic Boards.
Legacy Industrial Glue Logic Replacement
The EPF8282ATI100-3 is well suited to consolidate scattered 74-series TTL/CMOS glue logic into a single programmable device on legacy industrial backplanes running at 5V. Its 78 user I/Os and 5V tolerant I/O banks allow direct interfacing with 5V peripherals such as sensors, optocouplers, and motor-driver ICs without level shifters. At 125 MHz in the -3 speed grade, the device comfortably handles glue-logic tasks such as address decoding, bus arbitration, custom state machines, and timing generation. The 2,500 usable gates accommodate designs that previously required dozens of discrete logic packages, simplifying BOM and improving long-term reliability on factory floors where replacement is expensive.
推荐
5V Motor-Control Co-Processor
The EPF8282ATI100-3 serves as an interface and timing co-processor alongside a microcontroller in industrial motor-control systems. Its 5V I/O tolerance directly interfaces with Hall-effect sensors, encoder quadrature decoders, and PWM-driver inputs without external translation. The 208 logic cells across 26 LABs support concurrent PWM channel generation, dead-time insertion, and fault detection logic, while the 125 MHz internal clock rate enables fine-resolution PWM timing. Designers can implement custom commutation sequences for BLDC or stepper motors, offloading deterministic timing tasks from a slower host MCU. The 100-pin TQFP package fits standard industrial controller form factors with 0.5 mm pitch footprints.
推荐
Communication Protocol Bridge
The EPF8282ATI100-3 bridges legacy communication protocols such as UART, SPI, I2C, and parallel buses in industrial networking equipment. With 78 user I/Os and 208 logic cells, the device can simultaneously implement multiple protocol converters in a single chip, replacing discrete UART/SPI/I2C controller pairs. The 5V I/O banks connect directly to legacy transceivers and opto-isolated bus interfaces found in industrial PLCs and fieldbus nodes. The 125 MHz maximum clock enables full-speed protocol handling including CRC generation, framing, and address filtering. The FLEX 8000 architecture's deterministic interconnect supports timing-critical bus arbitration with predictable propagation delays.
推荐
Test & Measurement Front-End
The EPF8282ATI100-3 is useful as a reconfigurable front-end for legacy test-and-measurement instruments, implementing custom stimulus generation, response capture, and timing/sequencing logic. Its 78 I/Os and 5V compatibility allow direct interfacing with TTL-level test fixtures, relays, and analog multiplexers. The 208 logic cells support state-machine-rich sequencer designs with deterministic timing paths. Engineers can program different test patterns by reloading the SRAM configuration from the EPC serial memory, making the same hardware reusable across product variants. The 100-pin TQFP package simplifies integration into instrument backplanes with standard 0.5 mm land patterns.
推荐
Display & Video Timing Controller
The EPF8282ATI100-3 implements custom timing generators and frame-format converters in legacy display and video processing equipment. The 125 MHz internal clock rate supports standard VGA and basic SVGA timing generation, while the 208 logic cells allow pixel-format conversion, color-space remapping, and sync-signal conditioning. With 78 user I/Os, the device interfaces with both TTL-level video DACs and 5V LCD controller interfaces without external level translation. Designers can implement custom overlay graphics, OSD menus, and frame-buffer arbitration logic in a single programmable device, replacing several discrete sync generators and timing chips.
推荐
Retrofit Drop-In for TTL Logic Boards
The EPF8282ATI100-3 enables functional replacement of vintage TTL/CMOS logic on legacy boards without PCB rework when board space allows a 100-pin TQFP footprint. Its 78 user I/Os and 5V tolerance directly drive 74LS, 74HC, and 74FCT logic families, preserving existing I/O voltage domains. Designers capture the original logic's behavioral function, then re-implement it in VHDL or Verilog and program the EPF8282ATI100-3 via an EPC serial configuration memory. This approach extends the operational life of legacy military, aerospace, and industrial control equipment where the original logic ICs have long been discontinued but PCB redesign is prohibitively expensive.
推荐
推荐产品汇总
工程参考数据： EPF8282ATI100-3 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | EPF8282ATC100-3 | EPF8282ATC100-4 | EPF8282ATC100-4N | EPF8282ATC100-2 | EPF8282ATC100-2W | EPF8282ATI100-3N |
|---|---|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera | Altera | Altera |
| Package | 100-pin TQFP | 100-pin TQFP - same | 100-pin TQFP - same | 100-pin TQFP - same | 100-pin TQFP - same | 100-pin TQFP - same | 100-pin TQFP - same |
| Speed Grade | -3 | -3 (same) | -4 (faster) | -4 (faster) | -2 (slower) | -2 (slower) | -3 (same) |
| Temperature Grade | Industrial | Commercial | Commercial | Commercial | Commercial | Commercial (wide) | Industrial |
| Logic Cells | 208 | 208 | 208 | 208 | 208 | 208 | 208 |
| User I/Os | 78 | 78 | 78 | 78 | 78 | 78 | 78 |
| Usable Gates | 2,500 | 2,500 | 2,500 | 2,500 | 2,500 | 2,500 | 2,500 |
| Supply Voltage | 5V | 5V | 5V | 5V | 5V | 5V | 5V |
关键差异点
- Industrial temperature grade availability （对比 EPF8282ATC100-3)
- Mid-tier speed grade at -3 (125 MHz) （对比 EPF8282ATC100-4N)
- 5V I/O compatibility without level shifters （对比 EPF8282ATI100-3N (different -N variant))
设计说明
Estimated: At 5V VCC and 125 MHz toggle rate on all 78 I/Os at 20 pF load, dynamic power consumption reaches approximately 0.5-1W. The 100-pin TQFP package has a typical theta_JA of approximately 50 C/W (4-layer PCB with no airflow), producing a junction-temperature rise of 25-50 C above ambient. For high-toggle-rate designs, allocate a copper pour under the TQFP thermal pad (none on this package) and consider airflow for thermal derating. Decouple each VCCINT pin with a 0.1 µF ceramic capacitor placed within 5 mm, plus a 10 µF bulk tantalum or ceramic capacitor per supply rail.
The 100-pin TQFP uses 0.5 mm lead pitch, which requires careful PCB manufacturing and assembly. Use a land pattern with 0.30 mm pad width and 1.50 mm pad length per IPC-7351 nominal-density guidelines, with soldermask-defined or non-soldermask-defined pads depending on your assembly house's preference. Stencil thickness of 0.125 mm (5 mil) with aperture reductions of 10-20% on long pads helps prevent solder bridging. Keep all signal traces at least 0.2 mm from the package edge to avoid solder wicking, and route high-speed signals on inner layers with continuous ground reference planes.
Configuration memory must be sized for the bitstream. The EPF8282ATI100-3 typically requires 50-150 Kbit of configuration data depending on the design's utilization, which fits in an EPC1 (1 Mbit) or EPC1064 (64 Kbit). A common pitfall is selecting the wrong MSEL0/MSEL1 mode for the configuration source; double-check the FLEX 8000 datasheet's configuration-schemes table. Another pitfall is failing to assert nCONFIG or nSTATUS during power-up, which can cause intermittent configuration failure on noisy 5V rails. For in-system reprogramming, ensure JTAG chain integrity and provide a reset of the FPGA between configuration loads.
合规信息
Compliance status not present in the Verified Web Data. FLEX 8000 devices predate the RoHS-5 (2006) and RoHS-6 (2011) compliance deadlines; the standard EPF8282ATI100-3 is typically SnPb-terminated, while the -N suffix variants add lead-free terminal finish. AEC-Q100 not applicable for legacy Altera FLEX 8000 family.