EPM3512AQC208-7N/I208-10N - 512-Macrocell MAX 3000A CPLD | Altera
料号： EPM3512AQC208-7N/I208-10N ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $28.5 | $28.50 |
| 10 | $24.95 | $249.50 |
| 100 | $19.8 | $1,980.00 |
| 500 | $15.4 | $7,700.00 |
| 1,000 | $12.1 | $12,100.00 |
EPM3512AQC208-7N/I208-10N 概述
A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic IC that sits between simple SPLDs/PLDs and higher-density FPGAs in the programmable logic hierarchy (CPLD -> PLD -> programmable logic -> digital semiconductor). MAX 3000A devices use a classic LAB (Logic Array Block) architecture with EEPROM configuration memory, providing instant-on behavior at power-up without external boot PROM. This makes MAX 3000A ideal for glue logic, bus interfacing, state-machine control, and power-up deterministic logic replacement where FPGAs add unnecessary cost or boot latency.
Key features include 32 Logic Array Blocks (LABs) with 16 macrocells each, IEEE 1149.1 JTAG boundary-scan test support, IEEE 1532-compliant ISP, multiVolt I/O supporting 2.5 V and 3.3 V interfacing, and programmable interconnect with predictable timing. The 208-pin PQFP (Plastic Quad Flat Pack) package offers 0.5 mm pitch gull-wing leads suitable for standard SMT assembly lines and is compatible with commercial-grade (0C to 70C) operating environments.
The architecture combines a programmable AND/OR array within each macrocell, individually programmable flip-flops, and a global interconnect that delivers fast, deterministic tPD and tCO timing. The on-chip EEPROM cell delivers zero-power standby because configuration is retained without power, and the JTAG/IEEE 1532 interface allows field reprogramming via standard 4-wire JTAG or Altera ByteBlaster cables. The part also includes user I/O pin-locking to preserve board layout when minor logic revisions are made.
Typical applications include I/O expansion and bus bridging for legacy microcontrollers, address decoding for memory-mapped peripherals, asynchronous state-machine control in industrial controllers, and glue-logic replacement of discrete 74-series TTL/MSI in telecommunications backplane and white-goods designs. The deterministic timing and low power consumption also make it suitable for power-management sequencing in multi-rail systems.
When designing with this device, observe the VCCINT (3.3 V core) and VCCIO (2.5 V or 3.3 V I/O) decoupling recommendations from the MAX 3000A Family Data Sheet. Place one 0.1 uF ceramic decoupling capacitor per VCC pin cluster and ensure JTAG TMS/TCK/TDO/TDI lines are pulled to a defined logic level. Use the Altera MAX+PLUS II or Quartus II design tools for schematic/VHDL/Verilog entry and ISP programming.
直接替换替代料： EPM3512AQC208-7N/I208-10N ——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： EPM3512AQC208-7N/I208-10N （相同外形与封装尺寸） ——差异在于 Operating Temperature, Package, Logic Array Blocks (LABs), User I/Os, Propagation Delay (tPD).
快速对比工具——选择替代料号进行并排对比：
EPM3512AQC208-10N
✅ 直接替换✓ 有现货
$42.8 / 个
查看数据手册 →EPM3512AQC208-10
✅ 直接替换✓ 有现货
$22.1 / 个
查看数据手册 →EPM3512AQC208-15N
✅ 直接替换✓ 有现货
$20.5 / 个
查看数据手册 →EPM3512AQC208-3N
✅ 直接替换✓ 有现货
$16.4 / 个
查看数据手册 →EPM3256AQC208-10N
✅ 直接替换✓ 有现货
$4.62 / 个
查看数据手册 →EPM3512AQI208-10N
✅ 直接替换✓ 有现货
$12.9 / 个
查看数据手册 →EPM3512AQC208-7N/I208-10N 最大额定值与电气特性
| Device Family | MAX 3000A |
| Macrocells | 512 |
| Usable Gates | 10,000 |
| Logic Array Blocks (LABs) | 32 |
| User I/Os | 172 |
| 封装 | 208-pin PQFP (FINE LINE) |
| 引脚数量 | 208 |
| Pin/Package Type | FQFP, Gull Wing, Surface Mount |
| Propagation Delay (tPD) | 7.5 ns (-7N) / 10 ns (-10N) |
| Counter Speed (max) | 116.3 MHz (-7N) / 87 MHz (-10N) |
| Supply Voltage VCCINT | 3.3 V (3.0 V to 3.6 V) |
| MultiVolt I/O (VCCIO) | 2.5 V or 3.3 V |
| Logic Family | CMOS EEPROM |
| Programming Interface | IEEE Std. 1149.1 JTAG / IEEE Std. 1532 ISP |
| Boundary-Scan Test (BST) | Yes (IEEE 1149.1) |
| In-System Programmability (ISP) | Yes (IEEE 1532 compliant) |
| 工作温度 | 0C to 70C (Commercial) |
EPM3512AQC208-7N/I208-10N fqfp, gull wing, surface mount 引脚配置指南
EPM3512AQC208-7N/I208-10N（fqfp, gull wing, surface mount 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： EPM3512AQC208-7N/I208-10N.
请参阅 数据手册 以查看完整引脚配置。
典型应用
EPM3512AQC208-7N/I208-10N 适用于 6 应用s: Address Decoding and Bus Interfacing, Legacy Industrial Glue Logic Replacement, Power-Supply Sequencing and Reset Control, Telecommunications Backplane Control, State-Machine and Protocol-Conversion Controllers, I/O Expansion and Level Translation.
Address Decoding and Bus Interfacing
The EPM3512AQC208-7N is well-suited to address decoding and bus bridging tasks because its 512 macrocells and 172 user I/Os can host wide combinational decode trees without consuming FPGA fabric. Its 7.5 ns tPD fits legacy 33 MHz PCI and asynchronous memory-mapped bus timing budgets. Placed between a host CPU and peripheral memories, the part generates chip-select strobes from a high-order address bus while its EEPROM-based configuration provides zero-power standby and instant-on behavior at power-up. Unlike microcontrollers or FPGAs, the CPLD does not require boot code, making it ideal for deterministic power-on reset decoding.
推荐
Legacy Industrial Glue Logic Replacement
The EPM3512AQC208-7N excels as a single-chip replacement for boards built from dozens of 74LS/74HC TTL/MSI packages. With 512 macrocells and 172 user I/Os it can absorb an entire glue-logic netlist, simplifying the PCB and reducing the bill of materials. The 3.3 V core with multiVolt 2.5 V/3.3 V I/O banks allows it to bridge between 5 V-tolerant legacy peripherals (via level shifters) and modern 3.3 V controllers. The -7N speed grade's 7.5 ns tPD is fast enough for most asynchronous state-machine transitions in factory automation backplanes, and the JTAG/1532 ISP flow lets field engineers update logic without removing the part from the board.
推荐
Power-Supply Sequencing and Reset Control
Multi-rail systems such as telecom line cards and ATX power distribution boards require deterministic power-up sequencing, and the EPM3512AQC208-7N delivers this through its EEPROM-backed instant-on logic and 7.5 ns tPD. With 512 macrocells the part can monitor multiple voltage rails via comparators and assert sequenced enable signals to downstream DC-DC converters and load switches. Its low standby current (no configuration fetch required) and commercial 0C to 70C range suit indoor telecom and server backplane applications. JTAG ISP allows late-stage sequencing changes during board bring-up, while the boundary-scan test (BST) support per IEEE 1149.1 simplifies in-circuit test coverage.
推荐
Telecommunications Backplane Control
Telecom backplanes and access multiplexers often need bus arbitration, line-card presence detect, and alarm aggregation logic that must respond in single-digit nanoseconds. The EPM3512AQC208-7N delivers 7.5 ns tPD and 116.3 MHz counter speed, suitable for these timing-critical control paths. Its 172 user I/Os are sufficient to monitor dozens of line-card status LEDs and hardware alarm inputs, and the JTAG/1532 ISP flow allows remote firmware updates. The 208-pin PQFP is a through-hole-friendly gull-wing package that simplifies rework on legacy telecom boards; the part's CMOS EEPROM process yields low power consumption in always-on central-office equipment.
推荐
State-Machine and Protocol-Conversion Controllers
The EPM3512AQC208-7N is well-suited to hosting asynchronous state machines that bridge between incompatible serial or parallel protocols - for example UART-to-I2C bridging, SPI-to-parallel LCD control, or proprietary bus conversion in test fixtures. With 512 macrocells, 32 LABs, and 172 user I/Os, the part can implement multiple parallel state machines plus their associated glue logic. The 7.5 ns tPD handles most serial-protocol edge-to-edge timing at speeds up to 50 MHz, while JTAG ISP allows rapid state-machine revisions during firmware bring-up. EEPROM-backed configuration means the part comes up with the right state machine instantly on every power cycle, no boot delay.
推荐
I/O Expansion and Level Translation
The EPM3512AQC208-7N's multiVolt I/O architecture (VCCIO selectable per bank at 2.5 V or 3.3 V) makes it an effective I/O expander and level translator between mismatched logic domains. With 172 user I/Os the part can fan out a single microcontroller I/O bank to dozens of LEDs, relays, or sensor inputs, while the EEPROM-backed configuration eliminates firmware dependencies. The 7.5 ns tPD keeps the added propagation delay below the threshold of most human-interface response budgets (keypad scanning, LED multiplexing). JTAG ISP and IEEE 1149.1 boundary-scan make this CPLD a strong choice for prototyping boards where pin assignments will evolve.
推荐
推荐产品汇总
工程参考数据： EPM3512AQC208-7N/I208-10N ——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 | EPM3512AQC208-10N | EPM3512AQC208-10 | EPM3512AQC208-15N | EPM3512AQC208-3N | EPM3256AQC208-10N | EPM3512AQI208-10N |
|---|---|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera | Altera | Altera |
| Package | 208-pin PQFP | 208-pin PQFP - same | 208-pin PQFP - same | 208-pin PQFP - same | 208-pin PQFP - same | 208-pin PQFP - same | 208-pin PQFP - same |
| Macrocells | 512 | 512 | 512 | 512 | 512 | 256 | 512 |
| User I/Os | 172 | 172 | 172 | 172 | 172 | 164 | 172 |
| Logic Array Blocks (LABs) | 32 | 32 | 32 | 32 | 32 | 16 | 32 |
| Operating Temperature | 0C to 70C (Commercial) | 0C to 70C (Commercial) | 0C to 70C (Commercial) | 0C to 70C (Commercial) | 0C to 70C (Commercial) | 0C to 70C (Commercial) | -40C to 85C (Industrial) |
| Supply Voltage VCCINT | 3.3 V (3.0-3.6 V) | 3.3 V (3.0-3.6 V) | 3.3 V (3.0-3.6 V) | 3.3 V (3.0-3.6 V) | 3.3 V (3.0-3.6 V) | 3.3 V (3.0-3.6 V) | 3.3 V (3.0-3.6 V) |
| Programming Interface | JTAG / IEEE 1532 ISP | JTAG / IEEE 1532 ISP | JTAG / IEEE 1532 ISP | JTAG / IEEE 1532 ISP | JTAG / IEEE 1532 ISP | JTAG / IEEE 1532 ISP | JTAG / IEEE 1532 ISP |
关键差异点
- Fastest speed grade in the EPM3512 family for 512-macrocell PQFP-208 CPLDs （对比 EPM3512AQC208-10N)
- Twice the macrocell density of the EPM3256 family in the same 208-pin PQFP （对比 EPM3256AQC208-10N)
- Through-hole-friendly gull-wing PQFP package versus BGA-only F256 variants （对比 EPM3512AFC256-10)
- Commercial temperature grade for cost-sensitive indoor applications （对比 EPM3512AQI208-10N)
设计说明
Place one 0.1 uF ceramic decoupling capacitor adjacent to every VCCINT and VCCIO pin cluster on the 208-pin PQFP. The MAX 3000A datasheet recommends a bulk 10-100 uF tantalum or aluminum-polymer capacitor near the package to supply the inrush current during JTAG/ISP programming. Use a solid ground plane on an inner PCB layer directly beneath the PQFP body to provide a low-impedance return path for the high-edge-rate I/O switching transients.
Although CPLD outputs have modest edge rates compared to FPGAs, route clock and JTAG signals (TMS, TCK, TDO, TDI) as short, impedance-controlled traces (50 ohm single-ended) and avoid routing them parallel to fast-switching I/O banks. Keep JTAG traces clear of the I/O bank drivers to prevent noise coupling into the TCK line, which could cause ISP programming failures. Place a 10 kohm pull-up on TCK and a 10 kohm pull-up on TMS per the IEEE 1149.1 recommendation to define idle logic levels.
Do not confuse the EPM3512AQC208-7N (208-pin PQFP) with the EPM3512AFC256-10 (256-pin FineLine BGA): both share the same MAX 3000A die and 512 macrocells, but the packages are completely different - PCB migration requires redesign. Also note that the -7N, -10N, and -15N suffixes refer to timing grades within the same pinout; all three are drop-in compatible with identical JTAG pinouts, so a single PCB can be assembled with any grade for yield-management purposes.
Assign VCCIO bank voltages carefully: the MAX 3000A allows each I/O bank to run at 2.5 V or 3.3 V independently, but mixing banks on the same physical row requires careful pinout planning. Use the Quartus II or MAX+PLUS II pin planner to assign banks before laying out the PCB, and verify that every I/O assigned to a bank can tolerate the selected VCCIO voltage. JTAG pins TMS/TCK/TDO/TDI live in a dedicated bank that should be tied to VCCIO = 3.3 V to be compatible with standard ByteBlaster/USB-Blaster cables.
合规信息
MAX 3000A family was introduced before RoHS mandates took full effect; the EPM3512AQC208-7N was historically available in leaded and lead-free variants. RoHS compliance status was not explicitly stated in the verified web data; please confirm with the distributor at order time.
