EPM3512AQC208-10-10N - MAX 3000A CPLD 512 Macrocells 208-PQFP | Altera
MPN: EPM3512AQC208-10-10N ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $55.55 | $55.55 |
| 10 | $49.99 | $499.90 |
| 100 | $42.5 | $4,250.00 |
| 500 | $36.75 | $18,375.00 |
| 1,000 | $31.2 | $31,200.00 |
Drop-in alternatives for EPM3512AQC208-10-10N — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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EPM3512AQC208-10N
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View Datasheet →EPM3512AQC208-10-10N Maximum Ratings & Electrical Characteristics
| 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) |
| Operating Temperature | 0 °C to +70 °C (commercial) |
| Package | 208-pin PQFP (Plastic Quad Flat Pack) |
| Mounting Type | Surface Mount |
EPM3512AQC208-10-10N 208-pin pqfp (plastic quad flat pack) Pin Configuration Guide
Complete pinout information for EPM3512AQC208-10-10N (208-pin pqfp (plastic quad flat pack) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for EPM3512AQC208-10-10N.
Refer to the datasheet for full pin configuration.
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
EPM3512AQC208-10-10N is suitable for 6 applications: 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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
Recommended Products Summary
Engineering reference data for EPM3512AQC208-10-10N — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | 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) |
Key Differentiators
- Highest-density MAX 3000A device in PQFP-208 package (vs EPM3256AQC208-10N)
- PCI-SIG-compliant at -10 speed grade (vs EPM7512AEQI208-10 (MAX 7000A))
- 5.0 V-tolerant I/O via VCCIO (vs Generic 3.3 V CPLDs)
Design Notes
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.
Compliance Information
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.
