EPM3512AQC20810N - MAX 3000A CPLD 512 Macro Cells 208-PQFP | Altera
MPN: EPM3512AQC20810N ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $55.55 | $55.55 |
| 10 | $52.5 | $525.00 |
| 100 | $48.25 | $4,825.00 |
| 500 | $44 | $22,000.00 |
| 1,000 | $39.75 | $39,750.00 |
Drop-in alternatives for EPM3512AQC20810N — 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 →EPM3512AQC208-7N
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View Datasheet →EPM3512AQC208-15N
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View Datasheet →EPM3512AQC208-10
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View Datasheet →EPM3256AQC208-10N
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View Datasheet →EPM3512AQC20810N Maximum Ratings & Electrical Characteristics
| Family | MAX 3000A |
| Device Type | CPLD (Complex Programmable Logic Device) |
| Macro Cells | 512 |
| Usable Gates | 10,000 |
| User I/Os | 172 |
| Logic Array Blocks (LABs) | 16 |
| Propagation Delay (tPD) | 10 ns |
| Core Voltage (VCCINT) | 3.3 V |
| I/O Voltage (VCCIO) | 3.3 V (5.0 V tolerant I/O) |
| Package | 208-pin PQFP (Plastic Quad Flat Pack) |
| Configuration Memory | EEPROM (non-volatile, instant-on) |
| Programming Interface | JTAG (IEEE 1149.1 / IEEE 1532 ISP) |
| Mounting Type | Surface Mount |
EPM3512AQC20810N 208-pin pqfp (plastic quad flat pack) Pin Configuration Guide
Complete pinout information for EPM3512AQC20810N (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 EPM3512AQC20810N.
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
EPM3512AQC20810N is suitable for 6 applications: Processor Bus-Interface Bridging, Address Decoding and Chip-Select Generation, Glue Logic Integration, Interrupt Controller and Priority Logic, Industrial Motor Drive State Machines, Legacy 5V System Modernization.
Processor Bus-Interface Bridging
The EPM3512AQC20810N bridges between microprocessors and peripherals of differing bus widths, using its 172 user I/Os and 512 macro cells to implement bidirectional data buffers, control-signal translation, and chip-select logic. With a 10 ns tPD and deterministic MAX 3000A timing, this CPLD handles 8-bit MCU to 16/32-bit peripheral interfaces, address-latch demultiplexing, and wait-state insertion without timing ambiguity. The 5.0 V tolerant I/O allows direct connection to legacy 5 V peripherals while the core runs from 3.3 V, eliminating external level shifters in mixed-voltage systems.
Recommended
Address Decoding and Chip-Select Generation
The EPM3512AQC20810N is widely deployed as a central address decoder in systems with multiple memory and peripheral devices, replacing discrete 74-series TTL glue logic with a single programmable device. Its 512 macro cells can decode large address spaces (typically up to 32 address lines) and generate multiple chip-select signals with deterministic propagation delays. The non-volatile EEPROM configuration means the decoder powers up instantly with valid chip-selects, critical for boot ROM and memory-mapped peripherals that the CPU accesses immediately at reset.
Recommended
Glue Logic Integration
Replace dozens of 74HC/74F-series logic gates with a single EPM3512AQC20810N, integrating counters, multiplexers, latches, comparators, and small state machines into one programmable device. With 172 I/Os, the CPLD handles large pin-count glue logic that would otherwise require multiple discrete packages, reducing PCB area, BOM cost, and inventory complexity. The MAX 3000A EEPROM configuration allows late-stage design changes via JTAG ISP without board rework, making the part ideal for prototype-to-production transitions.
Recommended
Interrupt Controller and Priority Logic
Implement prioritized interrupt controllers, daisy-chain arbiters, and vector-encoding logic with the EPM3512AQC20810N's 512 macro cells. The deterministic 10 ns tPD ensures worst-case interrupt latency is bounded at compile time, which is essential for real-time embedded systems where interrupt response must meet strict deadlines. The 5.0 V tolerant I/O interfaces directly to legacy interrupt request lines from 5 V peripherals, while the on-chip EEPROM retains the priority configuration through power cycles without external storage.
Recommended
Industrial Motor Drive State Machines
Deploy the EPM3512AQC20810N in industrial motor drive and motion control systems as a state-machine controller for commutation sequencing, fault handling, and PWM blanking logic. Its 172 I/Os handle multiple Hall-effect sensor inputs, encoder feedback signals, and gate-driver control outputs simultaneously, while the deterministic MAX 3000A timing ensures commutation events occur at predictable instants regardless of logic utilization. The instant-on EEPROM configuration eliminates boot delays in safety-critical motor controllers.
Recommended
Legacy 5V System Modernization
Use the EPM3512AQC20810N as a voltage-bridging controller when modernizing legacy 5.0 V systems to 3.3 V processors - its 5.0 V tolerant I/O directly interfaces with existing 5 V peripherals while the 3.3 V core supplies the new processor's interface logic. This eliminates dozens of external level-shifters and bus-switch ICs in retrofits of industrial controllers, telecom backplanes, and legacy computer systems. The MAX 3000A JTAG ISP allows in-field reprogramming for late design changes without removing the board from service.
Recommended
Recommended Products Summary
Engineering reference data for EPM3512AQC20810N — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPM3512AQC208-10N | EPM3512AQC208-7N | EPM3512AQC208-15N | EPM3512AQC208-10 | EPM3256AQC208-10N |
|---|---|---|---|---|---|---|
| Brand | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) |
| Package | 208-PQFP | 208-PQFP - same | 208-PQFP - same | 208-PQFP - same | 208-PQFP - same | 208-PQFP - same |
| Family | MAX 3000A | MAX 3000A | MAX 3000A | MAX 3000A | MAX 3000A | MAX 3000A |
| Macro Cells | 512 | 512 | 512 | 512 | 512 | 256 (-50%) |
| Propagation Delay (tPD) | 10 ns | 10 ns | 7 ns (-30%) | 15 ns (+50%) | 10 ns | 10 ns |
| User I/Os | 172 | 172 | 172 | 172 | 172 | 158 |
| Core Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Configuration Memory | EEPROM | EEPROM | EEPROM | EEPROM | EEPROM | EEPROM |
Key Differentiators
- Highest density in 208-pin PQFP MAX 3000A family (vs EPM3256AQC208-10N)
- Balanced 10 ns speed grade for general-purpose use (vs EPM3512AQC208-7N)
- EEPROM non-volatile configuration with instant-on (vs EPM3512AQC208-15N)
Design Notes
The EPM3512AQC20810N requires a stable 3.3 V supply on VCCINT pins and 3.3 V on VCCIO pins. Decouple each VCCINT and VCCIO pin with a 0.1 uF ceramic capacitor placed within 5 mm of the device, and add a bulk 10-47 uF tantalum or polymer capacitor near the package to handle inrush during ISP programming. Sequence the 3.3 V supply to avoid glitching during hot-insertion; if 5 V peripheral I/O is connected, ensure VCCIO is at 3.3 V before any 5 V input is applied to I/O pins.
Route JTAG signals (TCK, TMS, TDI, TDO, TRST) as a dedicated group, kept short and isolated from high-current switching traces. Place a 10 kohm pull-up on TCK and TDI, and a 10 kohm pull-up on TMS per IEEE 1149.1 recommendations to keep the JTAG state machine in a known state at power-up. Keep TCK trace length under 150 mm to avoid signal-integrity issues at high programming clock rates. Add test points on the JTAG header for in-field ISP access.
Avoid using I/O pins as bidirectional signals in high-speed buses without registering the output enable; CPLD macro cells can glitch during output-enable transitions, causing bus contention. Do not leave unused I/O pins floating - configure them as outputs driving low or as inputs with internal pull-ups enabled to reduce EMI. When migrating designs between EPM3512A speed grades, re-validate timing with Quartus timing analysis since faster parts do not always improve hold-time margins.
Compliance Information
EPM3512AQC20810N compliance data not in verified sources; check Altera/Intel product page for current RoHS/REACH status. Part is NRND status as of 2026-09-12, not AEC-Q100 qualified for automotive.
