EPM5128GC-1 - 128-Macrocell CPLD, 62.5MHz, 5V MAX 5000 | Altera
料号： EPM5128GC-1 ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $38.5 | $38.50 |
| 10 | $32.75 | $327.50 |
| 100 | $27.4 | $2,740.00 |
| 500 | $22.1 | $11,050.00 |
| 1,000 | $18.95 | $18,950.00 |
EPM5128GC-1 概述
A CPLD (Complex Programmable Logic Device) is a non-volatile, instantly-on programmable logic IC that combines multiple PAL-style macrocell blocks with a central programmable interconnect matrix. In the system hierarchy it sits between simple SPLDs/GALs and larger FPGAs, offering predictable timing, deterministic logic implementation, and instant boot without external configuration memory. CPLDs are widely used as glue logic, bus-interface bridges, and state-machine controllers in industrial, telecom, and embedded designs where low power, fast propagation, and rugged pin-for-pin replacement behavior are required.
Key features of the EPM5128GC-1 include 128 macrocells with 100% connectivity, 4.75-5.25 V single-supply operation, 100 mA IOL/25 mA IOH drive capability per pin, JTAG-compatible in-system programming on selected packages, and a programmable security bit for logic protection. The device supports both combinatorial and registered logic with per-macrocell flip-flops, and offers low-power CMOS technology with typical standby currents in the milliamp range. The ceramic PGA-96+ package includes an erasable quartz window for prototype or development reuse via UV erasure.
Internally the EPM5128GC-1 is organized as multiple Logic Array Blocks (LABs) connected by the Programmable Interconnect Array (PIA). Each macrocell contains an AND/OR array with expander-product support, a programmable flip-flop, and an I/O control block that can be configured as input, output, or bidirectional. This architecture delivers deterministic, pin-locked timing - a defining MAX 5000 trait - which simplifies timing closure compared with SRAM-based FPGAs.
Typical applications include address decoding and bus-interface glue logic in legacy 5V microcontroller and microprocessor systems, programmable state machines for industrial control, peripheral controllers (UART, timer, PWM), and replacement of multiple discrete 74LS/74HC TTL devices with a single reconfigurable part. The 5V tolerant I/O makes it ideal for retrofitting older 5V-only boards where 3.3V-only modern CPLDs cannot be used.
When designing with the EPM5128GC-1, engineers should verify that the chosen package pinout matches the Altera MAX 5000 datasheet PGA-96+ pin map, add proper 0.1 uF decoupling on every supply pin, and use the Altera MAX+PLUS II or Quartus legacy support for design entry. Designers should also note that the ceramic windowed package is intended primarily for development - production boards typically migrate to the plastic-windowless equivalent for cost.
This page synthesizes distributor pricing for EPM5128GC-1, same-family drop-in alternatives, parametric comparisons, and practical design notes that go beyond what the legacy Altera MAX 5000 datasheet alone provides.
直接替换替代料： EPM5128GC-1 ——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： EPM5128GC-1 （相同外形与封装尺寸） ——差异在于 Package, Configuration Memory, Mounting Type, Usable Gates, Device Type.
快速对比工具——选择替代料号进行并排对比：
EPM5128GC
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$19.2 / 个
查看数据手册 →EPM5064LC-1
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$9.95 / 个
查看数据手册 →EPM5064LC
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$7.1 / 个
查看数据手册 →EPM5064LC-2
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$8.4 / 个
查看数据手册 →EPM5064JC-1
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$18.25 / 个
查看数据手册 →EPM5128GC-1 最大额定值与电气特性
| Family | MAX 5000 |
| Device Type | UV-erasable CMOS CPLD |
| Macrocells | 128 |
| Usable Gates | 2,500 |
| Dedicated Inputs | 7 |
| Maximum User I/O Pins | 52 |
| Nominal Supply Voltage | 5 V |
| Supply Voltage Range | 4.75 V to 5.25 V |
| Maximum Operating Frequency | 62.5 MHz |
| Propagation Delay (tPD) | 16 ns (typical, -1 speed grade) |
| 封装 | PGA-96+ (Pin Grid Array, ceramic windowed) |
| Technology | CMOS, UV-erasable EPROM |
| 工作温度 | -40C to +85C (industrial) |
| Security Bit | Programmable, prevents readback |
| Programming Method | UV erase + EPROM program (or device programmer) |
EPM5128GC-1 pga-96+ (pin grid array, ceramic windowed) 引脚配置指南
EPM5128GC-1（pga-96+ (pin grid array, ceramic windowed) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： EPM5128GC-1.
请参阅 数据手册 以查看完整引脚配置。
典型应用
EPM5128GC-1 适用于 6 应用s: 5V Bus Address Decoding & Glue Logic, Programmable State Machine Controllers, Peripheral Controller (UART / Timer / PWM), Legacy TTL Replacement Board Consolidation, Industrial 5V Sensor Interface Bridge, Retrocomputing & Vintage Hardware Restoration.
5V Bus Address Decoding & Glue Logic
The EPM5128GC-1's 128 macrocells, 52 user I/O pins, and 4.75-5.25V supply tolerance make it ideal for legacy 5V microprocessor bus address decoding. In a typical application it replaces 8-12 discrete 74LS138/74LS139 decoders and 74LS32/74LS08 gates with a single reconfigurable part, freeing PCB area while delivering 62.5 MHz decode speed with a 16 ns tPD. Combined with its deterministic pin-locked timing, engineers can decode 24-bit address spaces with sub-20 ns CS assertion - critical for zero-wait-state memory interfaces on 68000, 8086, or V40 embedded CPUs. The -40C to +85C industrial temperature range supports harsh-environment retrofits.
推荐
Programmable State Machine Controllers
The 128 macrocells of the EPM5128GC-1 comfortably hold 20-30 state variables with rich transition logic, making it a strong fit for industrial programmable state machines. In a typical conveyor or process controller the part drives 24V opto-isolated outputs, sequences pneumatic actuators, and reads back sensor inputs - all under deterministic 16 ns tPD timing. Unlike SRAM-based FPGAs the MAX 5000 CPLD boots instantly with no configuration memory, ensuring fail-safe startup. Engineers typically pair it with a 5V supervisor and a watchdog timer for safety-critical automation.
推荐
Peripheral Controller (UART / Timer / PWM)
With 128 macrocells and 62.5 MHz clocking, the EPM5128GC-1 can synthesize a 16550-style UART, multiple 16-bit timers, and PWM channels - replacing 2-3 dedicated peripheral ICs on legacy motherboards. The 5V tolerant I/O directly interfaces to RS-232 transceivers and TTL peripherals without level shifters. Designers can use Altera MAX+PLUS II to capture the design as schematics or AHDL, then program the part once via UV or device programmer. This application is common in industrial PCs, embedded SBCs, and test-instrument front panels where software drivers are undesirable.
推荐
Legacy TTL Replacement Board Consolidation
The EPM5128GC-1 was originally designed to consolidate racks of 74LS/74HC TTL on a single 5V CPLD, and that use case remains relevant today for legacy board repair. A single EPM5128GC-1 can replace up to ~30 SSI/MSI TTL packages (decoders, multiplexers, flip-flops, latches) on a 5V logic board, simplifying rework and improving noise margins. The 7 dedicated inputs and 52 I/O pins provide ample headroom for board-level fan-out. Operating from a 4.75-5.25V supply it tolerates legacy 5V power rails that have drifted with age.
推荐
Industrial 5V Sensor Interface Bridge
The EPM5128GC-1's 5V I/O tolerance and 128 macrocells make it well suited to bridge 5V industrial sensors (limit switches, encoders, 24V opto-isolated signals) to 3.3V downstream controllers via a simple external level shifter. Each macrocell can implement a Schmitt-trigger input filter or a pulse-stretching circuit, eliminating analog glue components. With 62.5 MHz fMAX and 16 ns tPD, the part handles 100 kHz+ encoder quadrature decoding without breaking a sweat. Industrial temperature rating (-40C to +85C) suits factory-floor deployment.
推荐
Retrocomputing & Vintage Hardware Restoration
The EPM5128GC-1 is prized by retrocomputing enthusiasts for restoring 1980s-1990s 5V motherboards - it can emulate long-obsolete discrete logic in vintage PCs, arcade boards, and classic industrial controllers. Its UV-erasable window allows re-programming during iterative bring-up, and PGA-96+ ceramic form factor matches the original Altera MAX 5000 sockets used in early engineering workstations. Hobbyists and refurbishment houses treat the part as a scarce commodity. With only 128 macrocells and 16 ns tPD, it is overkill for many restoration jobs but ideal for full-board chipset reconstruction.
推荐
推荐产品汇总
工程参考数据： EPM5128GC-1 ——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 | EPM5128GC | EPM5064LC-1 | EPM5064LC | EPM5064LC-2 | EPM5064JC-1 | EPM5064JC |
|---|---|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera | Altera | Altera |
| Package | PGA-96+ (ceramic, windowed) | PGA-96+ (ceramic, windowed) - same | PGA-96+ (ceramic, windowed) - same | PGA-96+ (ceramic, windowed) - same | PGA-96+ (ceramic, windowed) - same | PGA-96+ (ceramic, windowed) - same | PGA-96+ (ceramic, windowed) - same |
| Macrocells | 128 | 128 | 64 | 64 | 64 | 64 | 64 |
| Usable Gates | 2,500 | 2,500 | 1,250 | 1,250 | 1,250 | 1,250 | 1,250 |
| Speed Grade | -1 (62.5 MHz / 16 ns tPD) | Standard (no suffix, slower) | -1 (62.5 MHz) | Standard (slower) | -2 (faster than -1) | -1 (62.5 MHz) | Standard (slower) |
| 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 |
| Technology | CMOS, UV-erasable EPROM | CMOS, UV-erasable EPROM | CMOS, UV-erasable EPROM | CMOS, UV-erasable EPROM | CMOS, UV-erasable EPROM | CMOS, UV-erasable EPROM | CMOS, UV-erasable EPROM |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
关键差异点
- Highest macrocell density in the legacy MAX 5000 PGA-96+ family （对比 EPM5064LC-1)
- -1 speed grade delivers 62.5 MHz / 16 ns tPD performance （对比 EPM5128GC (no suffix))
- Ceramic windowed PGA-96+ supports iterative UV-erase development （对比 EPM5128LC (plastic equivalent))
- 5V supply tolerance interfaces directly to legacy TTL rails （对比 Modern MAX V (5M80ZE64C5N) CPLDs)
设计说明
The EPM5128GC-1 draws its core current from a single 5V rail (4.75-5.25V) and produces transient current spikes during simultaneous macrocell switching. Per Altera MAX 5000 datasheet, place a 0.1 uF ceramic decoupling capacitor within 5 mm of every VCC/GND pin pair, plus a bulk 10-47 uF tantalum or electrolytic capacitor at the package supply entry. Estimate: with 52 outputs switching at 1 MHz, dynamic current can reach 100-150 mA peaks - the bulk capacitor must source this without rail collapse. Use a ground plane rather than a ground pour to control return-current loops.
The PGA-96+ ceramic pin-grid package requires a matching through-hole PGA socket on the PCB - SMD reflow is impossible. Per the MAX 5000 datasheet, the pin pitch is 2.54 mm (100 mil) standard DIP-grid. Provide a generous keep-out zone around the ceramic body for the quartz erasure window: a UV eraser lamp head must be able to seat flush against the package top. For production boards migrate to the plastic PGA-68/PLCC-84 equivalents of the same die to avoid the ceramic windowed form factor cost.
Two pitfalls recur in legacy MAX 5000 designs. First, designers confuse speed-grade suffixes: -1 is the FASTEST 62.5 MHz grade, -2 is faster still, and no suffix or -3 is the slowest. Second, the ceramic PGA package cannot be reworked with hot air - any failed programming or erase cycle requires full socket extraction and replacement. Per Altera documentation, always verify the programmed pattern by reading back BEFORE setting the security bit, because once the bit is set no further readback is possible and a UV erase cycle is required for any change.
The EPM5128GC-1 outputs swing 0-5V CMOS at moderate edge rates; combined with PGA-96+ long-pin inductance, ringing can occur on unterminated traces longer than ~50 mm. Per Altera application notes, series-dampening 33-47 ohm resistors on clock and high-fanout outputs typically resolve this. Estimate: with 5 ns edge rates and a 100 mm trace of ~10 nH/inch inductance, the source-impedance mismatch can produce 20-30% overshoot. Keep clock traces short and use a ground-return path directly beneath each clock line.
合规信息
Ceramic PGA-96+ EPM5128GC-1 is a legacy 1990s Altera part with no public RoHS/REACH compliance documentation in the verified web data. Lead-based ceramic packages typically fail modern RoHS requirements; if RoHS compliance is mandatory, request documentation from the broker or migrate to a plastic equivalent.
