EPM3512AQC208-10-10N - MAX 3000A CPLD 512 Macrocells 208-PQFP | Altera
MPN： EPM3512AQC208-10-10N ✗ 停產EPM3512AQC208-10-10N 概覽
A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that combines multiple PAL-like macrocell blocks on a single chip, connected through a central interconnect. CPLDs sit between small SPLDs/GALs and larger FPGAs in the programmable logic hierarchy (SPLD → CPLD → FPGA → SoC FPGA). The MAX 3000A architecture extends basic CPLD capability with in-system programmability (ISP) compliant to IEEE Std. 1532, allowing concurrent ISP from multiple PLD vendors and supporting seamless field upgrades.
Key features of the EPM3512AQC208-10-10N include 512 macrocells distributed across 16 logic array blocks (LABs), 172 usable I/O pins, JTAG-based IEEE 1149.1 boundary-scan testing, and PCI-SIG PCI Local Bus Specification Revision 2.2 compatibility at the -10 speed grade. The CMOS EEPROM process provides non-volatile configuration storage, meaning the device retains its logic pattern through power cycles without an external boot PROM.
The architecture uses a global interconnect fabric feeding each LAB, with each macrocell containing a programmable AND/OR array, a flipflop, and product-term allocation logic. The dual-supply design (separate VCCINT and VCCIO rails) enables level translation between 5.0 V legacy peripherals and 3.3 V/2.5 V processor buses without external translators.
Typical applications include glue-logic integration in telecom line cards, industrial control boards replacing discrete 74-series TTL, PCI bus interface state machines, address decoding for memory-mapped microcontrollers, and bus-width adaptation between processors and peripherals. Designers also use this family for power-sequencing logic, configuration watchdog timers, and LED/H-bridge control signal generation.
When designing with the EPM3512AQC208-10-10N, verify timing with the MAX+PLUS II or Quartus II development toolchain and observe the 5.0 V absolute-max VCCIO tolerance for legacy interfaces. Decoupling should use 0.1 µF ceramics adjacent to every VCCINT/VCCIO pin pair.
This page synthesizes distributor pricing, drop-in MAX 3000A variants, and practical design guidance not duplicated in the legacy datasheet, including substitute selection across the same MAX 3000A family footprint.
直接替換替代品，適用於 EPM3512AQC208-10-10N — 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： EPM3512AQC208-10-10N （相同外形與佔位） — 差異在於 Operating Temperature, Package, Usable Gates, User I/Os, Logic Array Blocks (LABs).
EPM3512AQC208-10N
✅ 直接替換聯絡詢價
查看資料表 →EPM3512AQC208-10
✅ 直接替換聯絡詢價
查看資料表 →EPM3512AQI208-10N
✅ 直接替換聯絡詢價
查看資料表 →EPM3256AQC208-10N
✅ 直接替換聯絡詢價
查看資料表 →EPM3256AQI208-10N
✅ 直接替換聯絡詢價
查看資料表 →EPM3512AQC208-10-10N 最大額定值與電氣特性
| Family | MAX 3000A |
| Macrocells | 512 |
| Usable Gates | 10,000 |
| User I/Os | 172 |
| Logic Elements / LABs | 16 Logic Array Blocks |
| Propagation Delay (tPD) | 10 ns (-10 speed grade) |
| Maximum Frequency (fCNT) | 87 MHz |
| Supply Voltage - Core (VCCINT) | 3.3 V |
| I/O Supply Voltage (VCCIO) | 2.5 V / 3.3 V / 5.0 V |
| Process Technology | CMOS EEPROM |
| In-System Programmability | Yes, IEEE Std. 1532 compliant |
| Boundary-Scan (JTAG) | Yes, IEEE 1149.1 |
| PCI-SIG Compliance | PCI Local Bus Specification Rev 2.2 (at -10 speed grade) |
| 工作溫度 | 0 °C to +70 °C (commercial) |
| 封裝 | 208-pin PQFP (Plastic Quad Flat Pack) |
| 安裝類型 | Surface Mount |
EPM3512AQC208-10-10N 208-pin pqfp (plastic quad flat pack) 腳位配置指南
EPM3512AQC208-10-10N（208-pin pqfp (plastic quad flat pack) 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： EPM3512AQC208-10-10N.
請參閱 資料表 以查看完整腳位配置。
典型應用
EPM3512AQC208-10-10N 適用於 6 應用s: PCI Bus Interface Glue Logic, Industrial Control Board Glue Logic, Microcontroller Address Decoding, Telecom Line Card Interface Logic, Legacy 5 V Peripheral Interfacing, Power Sequencing and Watchdog Logic.
PCI Bus Interface Glue Logic
The EPM3512AQC208-10-10N is a textbook choice for PCI-SIG-compliant glue logic on add-in cards and embedded backplanes. At the -10 speed grade it meets the PCI Local Bus Specification Revision 2.2 timing budget (10 ns tPD, 87 MHz fCNT) for address decoding, command-handling state machines, and parity generation. The 208-pin PQFP exposes 172 user I/Os - enough for 32-bit multiplexed address/data plus control, sideband signals, and interrupt steering. VCCIO can be tied to 5.0 V to talk to legacy PCI peripherals without external level shifters, while VCCINT remains at 3.3 V for the EEPROM core. The non-volatile EEPROM configuration boots in microseconds, eliminating external boot PROMs.
推薦
Industrial Control Board Glue Logic
On industrial PLC backplanes and motor-drive control boards, the EPM3512AQC208-10-10N consolidates discrete 74-series TTL, GALs, and PALs into one non-volatile device. With 512 macrocells across 16 LABs and 172 I/Os, the part can replace dozens of small PLD packages while retaining 5.0 V-tolerant inputs through VCCIO at 5.0 V. Engineers commonly use it for encoder-quadrature decoding, PWM timing, multi-channel watchdog orchestration, and SPI/CAN bridge state machines. Designers should switch to the EPM3512AQI208-10N industrial-temperature variant for factory-floor deployments beyond 0-70 °C.
推薦
Microcontroller Address Decoding
For memory-mapped ARM, MIPS, or x86 systems, the EPM3512AQC208-10-10N provides robust chip-select and bus-arbitration logic with deterministic 10 ns propagation delay. Each LAB's 32 macrocells can implement wide AND-OR decoders for chip-enable generation across large NOR/NAND flash arrays and SDRAM banks. The JTAG (IEEE 1149.1) boundary-scan interface allows post-assembly interconnects test on densely populated motherboards, and the 208-pin PQFP footprint places all decode outputs on a single device - reducing PCB trace congestion compared to multi-PAL solutions.
推薦
Telecom Line Card Interface Logic
In legacy TDM/SONET line cards and DSLAM backplanes, the EPM3512AQC208-10-10N serves as a low-power, non-volatile glue-logic hub for time-slot interchange, framing, and alarm-mask generation. Its 5.0 V VCCIO compatibility lets it interface directly to legacy 5 V bus transceivers and ECL/TTL bridges, while 3.3 V VCCINT keeps core consumption modest. 172 I/Os are typically partitioned across multiple serial framers, T1/E1 transceivers, and processor-attached control/status buses. PCI compliance at the -10 speed grade also simplifies bridging to the control-plane CPU.
推薦
Legacy 5 V Peripheral Interfacing
Many industrial designs still use 5 V TTL peripherals (parallel ports, legacy ADC/DAC, character LCDs). The EPM3512AQC208-10-10N supports 5.0 V VCCIO, meaning all 172 I/O pins can drive 5 V inputs directly without level shifters. The dual-supply architecture also lets one CPLD bridge a 3.3 V processor to a 5 V peripheral bus while keeping core logic on 3.3 V. This makes the part a workhorse for printer controllers, test equipment front panels, and CNC machine interfaces still anchored to 5 V logic families.
推薦
Power Sequencing and Watchdog Logic
The EPM3512AQC208-10-10N is widely used to enforce power-up/power-down sequencing on multi-rail systems, where it generates staggered enables for DC-DC converters, supervisors, and ASIC resets. The CMOS EEPROM core draws very little quiescent current, and the 10 ns tPD guarantees deterministic sequencing even on noisy backplanes. JTAG ISP (IEEE 1532) lets field technicians update sequencing firmware without removing the part, and the 172 I/Os accommodate complex sequencing trees across 10-15 power rails. Pair with external voltage supervisors for fault-tolerant watchdog operation.
推薦
推薦產品摘要
工程參考資料，適用於 EPM3512AQC208-10-10N — 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 | EPM3512AQC208-10N | EPM3512AQC208-10 | EPM3512AQI208-10N | EPM3256AQC208-10N | EPM3256AQI208-10N |
|---|---|---|---|---|---|---|
| Package | 208-PQFP | 208-PQFP - same | 208-PQFP - same | 208-PQFP - same | 208-PQFP - same | 208-PQFP - same |
| Brand | Altera | Altera | Altera | Altera | Altera | Altera |
| Macrocells | 512 | 512 | 512 | 512 | 256 (-50%) | 256 (-50%) |
| Usable Gates | 10,000 | 10,000 | 10,000 | 10,000 | 5,000 | 5,000 |
| Propagation Delay (tPD) | 10 ns | 10 ns | 10 ns | 10 ns | 10 ns | 10 ns |
| Maximum Frequency (fCNT) | 87 MHz | 87 MHz | 87 MHz | 87 MHz | 87 MHz | 87 MHz |
| User I/Os | 172 | 172 | 172 | 172 | 172 | 172 |
| VCCIO Options | 2.5 / 3.3 / 5.0 V | 2.5 / 3.3 / 5.0 V | 2.5 / 3.3 / 5.0 V | 2.5 / 3.3 / 5.0 V | 2.5 / 3.3 / 5.0 V | 2.5 / 3.3 / 5.0 V |
| Operating Temperature | 0 to +70 °C (commercial) | 0 to +70 °C | 0 to +70 °C | -40 to +85 °C (industrial) | 0 to +70 °C | -40 to +85 °C (industrial) |
主要差異化特點
- Highest-density MAX 3000A device in PQFP-208 package (對比EPM3256AQC208-10N)
- PCI-SIG-compliant at -10 speed grade (對比EPM7512AEQI208-10 (MAX 7000A))
- 5.0 V-tolerant I/O via VCCIO (對比Generic 3.3 V CPLDs)
設計說明
The EPM3512AQC208-10-10N requires two independent supply rails: VCCINT at 3.3 V ±10% for the EEPROM core and VCCIO at 2.5 V, 3.3 V, or 5.0 V for the I/O bank. Place 0.1 µF ceramic decoupling capacitors adjacent to every VCCINT/VCCIO pin pair and a bulk 10 µF tantalum or ceramic at each supply entry point. Estimated core current draw is in the tens of mA range; refer to the MAX 3000A datasheet ICC vs frequency curves for your design's fCNT. Do NOT exceed VCCIO 5.0 V absolute maximum, even briefly, or the I/O ESD cells will be damaged.
The 208-pin PQFP has 0.5 mm pitch leads with a substantial thermal pad - use a 4-layer PCB with a continuous ground plane directly beneath the part for return-current management. Route all high-speed I/O (clock, JTAG TCK, PCI control signals) as short, length-matched traces; keep TTL switching outputs at least 5 mm away from analog sections if the board also hosts ADCs. Keep JTAG pins (TCK, TMS, TDI, TDO) accessible via a 0.1" header for in-system programming with the Altera ByteBlaster or USB-Blaster.
Three pitfalls to avoid: (1) Do not assume the EPM3512AQC208-10-10N and the EPM7512AQC208-10 are interchangeable - they belong to different MAX families (3000A vs 7000A) and have different macrocell counts and JTAG IDs; (2) The duplicate '-10-10N' suffix is a packaging artifact - standardize on the EPM3512AQC208-10N ordering code for new BOM entries; (3) Commercial temperature grade (0-70 °C) is NOT suitable for outdoor or factory-floor use - migrate to EPM3512AQI208-10N industrial variant. Always cross-check the JTAG IDCODE in the BSDL file to confirm die revision before committing a design to volume production.
合規資訊
RoHS/REACH/lead-free status not explicitly listed in the verified web data; confirm with Altera/Intel product documentation or the manufacturer datasheet before RoHS-critical designs. Not AEC-Q100 qualified - this is a commercial-grade CPLD.