EPM3512AQC208-10 - MAX 3000A CPLD 512 Macrocells | Intel/Altera
MPN: EPM3512AQC208-10 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $42.5 | $42.50 |
| 10 | $38.25 | $382.50 |
| 100 | $32.8 | $3,280.00 |
| 500 | $27.45 | $13,725.00 |
| 1,000 | $22.1 | $22,100.00 |
EPM3512AQC208-10 Overview
What is a CPLD? A Complex Programmable Logic Device is a non-volatile programmable logic IC that sits between simple PLDs and FPGAs in the programmable logic hierarchy: PLD -> CPLD -> FPGA -> programmable logic device. CPLDs use a macrocell-based architecture with on-chip EEPROM or flash configuration memory, providing instant-on behavior with no external boot device, deterministic timing, and high pin-to-pin logic density - ideal for glue logic, bus bridging, and control state machines where predictable timing and low power matter more than raw logic capacity.
The MAX 3000A architecture combines a programmable interconnect array with logic array blocks (LABs), each containing 16 macrocells. The EPM3512AQC208-10 implements 32 LABs organized to deliver 512 macrocells with user-programmable I/O standards, JTAG boundary-scan test support per IEEE 1149.1, and PCI-SIG PCI Local Bus Specification Revision 2.2 timing compatibility for the -10 speed grade.
Typical applications include bus-interface bridging (PCI, ISA, VME), address decoding and wait-state generation, power-up sequencing logic for processor subsystems, peripheral glue-logic replacement, and discrete-logic integration on industrial control boards. The instant-on non-volatile configuration also suits safety-critical and avionics applications where boot latency is unacceptable.
When designing with this device, allow sufficient decoupling (0.1uF ceramic per VCC pin plus bulk capacitance) and follow Altera's AN-100 application note for PQFP-208 thermal management. The 208-pin PQFP package has higher thermal resistance than BGA equivalents; for high-toggle-rate designs, evaluate the 256-ball BGA variants (EPM3512AFI256-10, EPM3512AFC256-10) for improved thermal dissipation.
This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for EPM3512AQC208-10 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with EPM3512AQC208-10 (same form factor and footprint) — differing in Package, Operating Temperature, Logic Array Blocks (LABs), Speed Grade, Usable Gates.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
EPM3512AQC208-10N
✅ Drop-In✓ In Stock
$42.8 / Unit
View Datasheet →EPM3512AQC208-7N
✅ Drop-In✓ In Stock
$41.41 / Unit
View Datasheet →EPM3256AQC208-10
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$15.2 / Unit
View Datasheet →EPM3256AQC208-10N
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$4.62 / Unit
View Datasheet →EPM3256AQI208-10
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$19.95 / Unit
View Datasheet →EPM3512AQC208-10 Maximum Ratings & Electrical Characteristics
| Family | MAX 3000A |
| Usable Gates | 10,000 |
| Macrocells | 512 |
| Logic Array Blocks (LABs) | 32 |
| User I/Os | 208 |
| Propagation Delay (tPD) | 7.5 ns |
| Maximum Frequency (fCNT) | 116.3 MHz |
| Supply Voltage (VCCINT) | 3.3 V |
| Configuration Memory | EEPROM (non-volatile) |
| In-System Programmability | Yes (IEEE Std. 1532) |
| JTAG Boundary Scan | Yes (IEEE 1149.1) |
| PCI Compliance | PCI Local Bus Spec Rev. 2.2 (-10 speed grade) |
| Package | 208-pin PQFP |
| Operating Temperature | 0C to +70 C (commercial) |
EPM3512AQC208-10 208-pin pqfp Pin Configuration Guide
Pin configuration for EPM3512AQC208-10 (208-pin pqfp 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.
Refer to the datasheet for full pin configuration.
Typical Applications
EPM3512AQC208-10 is suitable for 6 applications: PCI Bus Interface and Bridge Logic, Address Decoding and Wait-State Generation, Power-Up Sequencing and Reset Logic, Industrial Control and Discrete Logic Replacement, Peripheral Interface Bridging, Legacy System Maintenance and Field Replacement.
PCI Bus Interface and Bridge Logic
The EPM3512AQC208-10's -10 speed grade is timing-compatible with PCI Local Bus Specification Revision 2.2, with 7.5 ns pin-to-pin propagation delay and 116.3 MHz counter frequency. Its 512 macrocells (10K gates) provide ample capacity for PCI target/initiator state machines, address decoding, and command/byte-enable logic in add-in cards or embedded systems. The 208 user I/Os handle 32-bit multiplexed PCI address/data plus control signals with room for interrupt, arbitration, and sideband GPIOs. The 3.3V core matches modern PCI signaling levels, and the EEPROM-based instant-on configuration eliminates boot-device complexity. The IEEE 1149.1 JTAG interface simplifies board-level interconnect testing of the dense 208-pin PQFP footprint, where bed-of-nails access is otherwise impractical.
Recommended
Address Decoding and Wait-State Generation
The 512 macrocells of the EPM3512AQC208-10 are well suited to wide address-decoding tasks across 24- or 32-bit address buses, replacing discrete 74LS/74F logic with a single non-volatile device. The 7.5 ns propagation delay supports zero-wait-state decoding for many microprocessors and DSPs, while the 32 LABs provide the combinatorial capacity for complex chip-select and memory-map logic. Wait-state generation for legacy peripherals becomes a few macrocells of state-machine logic. The deterministic timing of the MAX 3000A architecture eliminates the asynchronous-glitch risk inherent in cascaded discrete gates. Hot-swap tolerant I/Os make the device robust in mixed 3.3V/5V system designs, and the JTAG ISP allows field-upgrade of address maps.
Recommended
Power-Up Sequencing and Reset Logic
The instant-on EEPROM configuration of the EPM3512AQC208-10 makes it ideal for power-up sequencing logic in multi-rail processor and FPGA systems. With 512 macrocells, the device can implement multiple independent sequencing state machines - one per power rail - with programmable delay timing, voltage-rail good monitoring via comparators, and fault-detection interlocks. The 208 user I/Os accommodate dozens of PG (power-good) inputs and EN (enable) outputs. The 7.5 ns propagation delay enables rapid fault response (cascading MOSFET shutdown within microseconds of a fault detection), and the non-volatile storage retains sequencing parameters across power cycles without external memory. The PQFP-208 footprint is hand-solderable for prototype boards.
Recommended
Industrial Control and Discrete Logic Replacement
Replacing dozens of 74-series TTL/CMOS logic chips with a single EPM3512AQC208-10 reduces PCB area, power consumption, and BOM cost in industrial control designs. The 10K usable gates typically replace 30-60 discrete packages, while the 208 I/Os handle all inter-board glue logic. PCI-compliant timing simplifies interface to PC/104, PC/104-Plus, and other industrial bus standards. The commercial 0C to +70C temperature range suits factory-floor enclosures with appropriate derating; for extended-temperature environments, evaluate the EPM3512AFC256-10 industrial variants. The EEPROM-based design eliminates configuration PROMs and reduces MTBF by removing socketed components in vibration-prone machinery.
Recommended
Peripheral Interface Bridging
The EPM3512AQC208-10 is well matched to legacy peripheral-bridging designs that translate between asynchronous buses, FIFOs, and custom interfaces. With 512 macrocells, designers can implement bidirectional protocol converters (e.g., UART-to-parallel, I2C-to-SPI bridges, or ISA-to-local-bus adapters) in a single device. The 7.5 ns tPD and 116.3 MHz fCNT support protocols up to several hundred Mbps of aggregate throughput. The 208 I/Os handle wide data buses and parallel control signals with margin for debug LEDs and test points. JTAG ISP enables field firmware updates without removing the board from service - valuable for installed industrial controllers and instrumentation.
Recommended
Legacy System Maintenance and Field Replacement
For maintaining installed industrial, telecom, or aerospace systems originally designed around the MAX 3000A family, the EPM3512AQC208-10 remains a drop-in replacement for failed boards. The PQFP-208 footprint, 3.3V supply, and -10 speed grade are documented and unchanged across production runs, so replacement PCBs can use the same layout. With 10,000 usable gates and 208 I/Os, it provides the same logic capacity as the original. For new designs in the same product family, evaluate active MAX II (EPM240/EPM570) and MAX V (5M240Z/5M570Z) CPLDs - these offer 1.8V core with multi-voltage I/O, lower power, and active Intel lifecycle support.
Recommended
Recommended Products Summary
Engineering reference data for EPM3512AQC208-10 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPM3512AQC208-10N | EPM3512AQC208-7N | EPM3256AQC208-10 | EPM3256AQC208-10N | EPM3256AQI208-10 |
|---|---|---|---|---|---|---|
| Package | PQFP-208 | PQFP-208 | PQFP-208 | PQFP-208 | PQFP-208 | PQFP-208 |
| Brand | Altera | Altera | Altera | Altera | Altera | Altera |
| Macrocells | 512 | 512 | 512 | 256 | 256 | 256 |
| Usable Gates | 10,000 | 10,000 | 10,000 | 5,000 | 5,000 | 5,000 |
| Speed Grade | -10 (7.5 ns tPD) | -10 (7.5 ns) | -7 (5.5 ns, faster) | -10 (7.5 ns) | -10 (7.5 ns) | -10 (7.5 ns) |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| User I/Os | 208 | 208 | 208 | 172 | 172 | 172 |
| Temperature Range | 0C to +70 C (commercial) | 0C to +70 C | 0C to +70 C | 0C to +70 C | 0C to +70 C | -40C to +85 C (industrial) |
Key Differentiators
- Lead-free RoHS-compliant variant available in identical footprint (vs EPM3512AQC208-10 (original))
- Faster -7 speed grade variant in identical footprint (vs EPM3512AQC208-7N)
- Higher logic density than MAX 3000A lower-tier variants (vs EPM3256AQC208-10)
Design Notes
The EPM3512AQC208-10 operates from a single 3.3V supply with 5V-tolerant I/O. Place a 0.1uF ceramic decoupling capacitor adjacent to every VCC/IO_VCC pin pair (at least 4-8 per device depending on pin distribution) and a 10-47uF bulk capacitor near the supply entry point. The EEPROM configuration memory draws additional inrush during ISP programming; ensure the regulator can supply peak ISP currents per the Altera AN-100 power-design application note. Estimated: at 3.3V with 208 active I/Os toggling at 50 MHz, dynamic current is approximately 200-400 mA.
The 208-pin PQFP package has higher thermal resistance than BGA equivalents (theta_JA approximately 35-45 C/W). For high-toggle-rate designs (>100 MHz internal logic, >75% I/O utilization), compute worst-case power using the Altera PowerPlay early-power estimator and ensure the PCB thermal design keeps junction temperature below 125 C. For designs approaching the thermal limit, evaluate the pin-compatible BGA-packaged EPM3512AFC256-10 (theta_JA typically 20-25 C/W) - though this requires PCB redesign.
Route the JTAG signals (TCK, TMS, TDI, TDO, TRST) as a dedicated chain with daisy-chain topology to other JTAG devices; keep traces under 6 inches and avoid splits across ground planes. The PQFP-208 has 0.5 mm pitch leads - use soldermask-defined (SMD) pads with 0.25 mm trace width for fanout. Place four ground vias in the central thermal pad area of the PQFP to reduce thermal resistance. Maintain 50-ohm controlled impedance on high-speed I/O banks that toggle above 50 MHz to prevent signal-integrity issues.
Do not exceed the 4.0V absolute-maximum VCC rating - the part is not 5V tolerant on the supply. Use the EPM3512AQC208-10N (lead-free) variant for RoHS-compliant designs; the original -10 suffix is typically SnPb-finished. When migrating design files, note that the Altera Quartus II MAX 3000A device support was last updated for Quartus 13.0sp1 - newer Quartus versions do not support MAX 3000A. For new designs, use active MAX II/MAX V devices supported by current Quartus Prime.
Compliance Information
RoHS compliance not specified in verified web data. The -10N variant is lead-free per datasheet marking conventions; the original -10 (non-N) typically uses SnPb finish. AEC-Q100 not applicable for commercial-grade CPLD.
