EPM3512AQC210-7 - MAX 3000A CPLD, 512 Macrocells | Altera
MPN: EPM3512AQC210-7 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $38.5 | $38.50 |
| 10 | $32.75 | $327.50 |
| 100 | $27.2 | $2,720.00 |
| 250 | $24.1 | $6,025.00 |
| 500 | $21.85 | $10,925.00 |
Drop-in alternatives for EPM3512AQC210-7 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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EPM3512AQC208-7N
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View Datasheet →EPM3512AQC210-7 Maximum Ratings & Electrical Characteristics
| Family | MAX 3000A |
| Device Type | CPLD (Complex Programmable Logic Device) |
| Macrocells | 512 |
| Logic Array Blocks (LABs) | 16 |
| Maximum User I/O Pins | 172 |
| Dedicated Input Pins | 12 |
| Package | PQFP-208 |
| Pin Count | 208 |
| Mounting Type | Surface Mount |
| Operating Voltage (Core) | 3.3 V |
| Min Supply Voltage | 3.0 V |
| Max Supply Voltage | 3.6 V |
| I/O Voltage Support | 1.8 V / 2.5 V / 3.3 V / 5.0 V (MultiVolt I/O) |
| Pin-to-Pin Delay | 7 ns (speed grade -7) |
| Speed Grade | 7 ns |
| In-System Programmability | Yes (JTAG, IEEE 1149.1) |
| Non-Volatile Configuration | Yes (EEPROM-based) |
EPM3512AQC210-7 pqfp-208 Pin Configuration Guide
Complete pinout information for EPM3512AQC210-7 (pqfp-208 package) with 208 pins. 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 EPM3512AQC210-7.
Refer to the datasheet for full pin configuration.
Estimated pin count: 208 pins (digital package)
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
EPM3512AQC210-7 is suitable for 7 applications: Bus Interface Bridging, Address Decoding and Chip Select Generation, Power Supply Sequencing, Peripheral Glue Logic Consolidation, Industrial Control Logic, Legacy System Refresh and Bridging, Embedded Computing Glue Logic.
Bus Interface Bridging
The EPM3512AQC210-7 is ideal for bus-bridging tasks where two incompatible buses (e.g., a 16-bit local microcontroller bus and an 8-bit peripheral bus) must exchange data. With 172 user I/O pins and MultiVolt I/O support up to 5.0 V, the CPLD can directly interface 3.3 V processors with 5.0 V legacy peripherals without external level shifters. The 7 ns pin-to-pin delay is fast enough to insert wait-state logic in real time without violating bus access timing. Designers typically instantiate the 512 macrocells as a combination of state machines for handshaking and registered I/O for data capture. Programming is via JTAG, allowing field firmware updates without removing the device from the board. The non-volatile EEPROM configuration eliminates the need for a separate boot PROM, simplifying the BOM.
Recommended
Address Decoding and Chip Select Generation
Address decoding is a canonical use case for the EPM3512AQC210-7 in microcontroller and DSP systems. The 512 macrocells easily accommodate wide AND-OR decode trees for selecting memory banks, peripherals, and external devices from a 24- or 32-bit address bus. With 7 ns propagation delay, the device produces chip-select signals with deterministic timing that matches zero-wait-state memory access. The MultiVolt I/O permits the CPLD to drive 5.0 V peripheral select lines while powered from a 3.3 V rail. Engineers typically combine address decoding with glue logic - read/write strobes, bus transceivers, and interrupt controllers - all in a single device, reducing board area and cost versus discrete 74-series logic.
Recommended
Power Supply Sequencing
The EPM3512AQC210-7 is frequently used in multi-rail systems to sequence power supply turn-on and turn-off. The macrocell flip-flops implement state machines that drive PG (power-good) signals and EN lines to switching regulators, ensuring rails come up in the correct order to prevent latch-up or inrush damage. The MultiVolt I/O lets a 3.3 V CPLD interface directly with 5 V enable pins on legacy regulators. With 7 ns delay, the CPLD reacts instantly to under-voltage or fault inputs and asserts protective signals before downstream devices are damaged. Non-volatile configuration means the sequencing logic is active the instant the 3.3 V rail is stable, even before any microcontroller firmware begins executing.
Recommended
Peripheral Glue Logic Consolidation
The EPM3512AQC210-7 replaces dozens of 74-series TTL/CMOS glue-logic gates by integrating all random logic on a single chip. With 512 macrocells, a typical design can absorb 10-20 discrete logic packages including multiplexers, flip-flops, one-shots, and parity generators. This consolidation reduces PCB area by 30-50% compared to discrete logic and improves reliability by eliminating board-level wiring between gates. The 7 ns delay is comparable to advanced Schottky TTL, so legacy timing budgets can be preserved. JTAG in-system programming allows late-stage logic changes without board rework - simply reprogram the CPLD via the JTAG header.
Recommended
Industrial Control Logic
Industrial automation controllers use the EPM3512AQC210-7 for deterministic, non-volatile logic functions that must operate without firmware intervention. The device is well-suited to factory-floor applications requiring PLC-style ladder-logic-style state machines, encoder counters, and PWM generation - all programmable in AHDL or VHDL. With 172 user I/O pins and MultiVolt I/O, the CPLD interfaces with 24 V sensor inputs via external optocouplers and 5 V actuator drivers without level translation. The 512 macrocells handle multi-axis motion control sequencers and safety interlock logic with deterministic 7 ns response times. Non-volatile EEPROM storage eliminates boot time, which is critical for safety circuits.
Recommended
Legacy System Refresh and Bridging
The EPM3512AQC210-7 is widely deployed as a logic-replacement IC for legacy systems where the original discrete or ASIC logic is obsolete. By absorbing the legacy logic into a reprogrammable CPLD, designers can extend the lifecycle of industrial, military, and telecom equipment without full board redesign. The 172 I/O pins and 512 macrocells accommodate even complex legacy designs including memory controllers, DMA engines, and interrupt controllers. MultiVolt I/O allows direct interfacing with TTL and CMOS subsystems of various voltage levels. JTAG programming permits field upgrades, and the non-volatile configuration eliminates battery-backed configuration memory typical of older designs.
Recommended
Embedded Computing Glue Logic
In SBC and COM (System-on-Module / Computer-on-Module) designs, the EPM3512AQC210-7 provides essential glue logic between the application processor, memory, and peripherals. Typical functions include SDRAM address/control multiplexing, DMA request arbitration, interrupt prioritization, and reset distribution. With 7 ns delay, the CPLD meets the setup/hold requirements of modern DDR memory interfaces when used in address-multiplexing roles. The MultiVolt I/O permits seamless connection to 1.8 V processors and 3.3 V peripherals. Non-volatile configuration means the boot logic is active immediately on power-up, even before the application processor begins executing.
Recommended
Recommended Products Summary
Engineering reference data for EPM3512AQC210-7 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPM3512AQC208-7N | EPM3512AQC210-10 | EPM3512AQC208-7 | EPM3512AQC208-10N | EPM3512AFC256-7N |
|---|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera | Altera |
| Package | PQFP-210 | PQFP-208 (footprint family match) | PQFP-210 (same) | PQFP-208 (footprint family match) | PQFP-208 (footprint family match) | PQFP-256 (footprint family match) |
| Macrocells | 512 | 512 | 512 | 512 | 512 | 512 |
| Pin-to-Pin Delay | 7 ns | 7 ns | 10 ns | 7 ns | 10 ns | 7 ns |
| User I/O Pins | 172 | 172 (PQFP-208 variant) | 172 | 172 (PQFP-208 variant) | 172 (PQFP-208 variant) | 212 (PQFP-256 variant) |
| Core Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| MultiVolt I/O Support | 1.8 V / 2.5 V / 3.3 V / 5.0 V | 1.8 V / 2.5 V / 3.3 V / 5.0 V | 1.8 V / 2.5 V / 3.3 V / 5.0 V | 1.8 V / 2.5 V / 3.3 V / 5.0 V | 1.8 V / 2.5 V / 3.3 V / 5.0 V | 1.8 V / 2.5 V / 3.3 V / 5.0 V |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND | NRND |
Key Differentiators
- High macrocell density in PQFP-210 footprint (vs EPM3256AQC208-10)
- 7 ns speed grade for timing-critical interfaces (vs EPM3512AQC210-10)
- MultiVolt I/O with 5V support (vs MAX II EPM240)
Design Notes
The EPM3512AQC210-7 requires a 3.3 V core supply within 3.0 V to 3.6 V. Estimated: at typical toggle activity the device consumes approximately 200-500 mA depending on output loading and switching frequency. Place 0.1 uF ceramic decoupling capacitors close to each VCC pin and a 10 uF bulk capacitor near the supply input. For MultiVolt I/O bank power, the VCCIO pins may be tied to 1.8 V, 2.5 V, 3.3 V, or 5.0 V independently. All unused VCC pins must still be connected to the 3.3 V rail.
The PQFP-210 package has 0.5 mm pitch gull-wing leads requiring careful PCB layout. Recommended pad dimensions are 1.6 mm x 0.4 mm with solder mask defined (SMD) pads for easier inspection. Route signals on inner layers first; keep critical JTAG signals (TCK, TMS, TDO, TDI) short and away from switching power traces. Provide a 4-layer PCB with dedicated ground plane for noise-sensitive designs. The exposed die paddle (if present in this package variant) should be soldered to a thermal pad connected to ground for heat dissipation.
Three common pitfalls: (1) Confusing PQFP-208 (EPM3512AQC208-xx) with PQFP-210 (EPM3512AQC210-xx) - the pin counts differ and they are NOT drop-in compatible despite same family. (2) Forgetting that MAX 3000A devices must be reconfigured after power-up even though configuration is non-volatile - configuration is loaded from internal EEPROM to SRAM-based logic, taking a few milliseconds. (3) Mixing MAX 3000A and MAX II/MAX V toolchains - use MAX+PLUS II or Quartus II for MAX 3000A designs, never the newer MAX V toolchain. Always double-check the device symbol library matches the exact speed grade and package suffix.
For JTAG in-system programming, dedicate the TCK, TMS, TDI, and TDO pins to the JTAG header. These pins are 5V-tolerant and can be shared with user I/O if JTAG is not used in the final application, but each shared pin disables one user I/O. Add a 4.7 kohm pull-up on TCK and TMS, and a 4.7 kohm pull-up on TDI per IEEE 1149.1 recommendations. Keep JTAG traces under 6 inches to avoid signal integrity issues.
Compliance Information
Compliance data not present in Verified Web Data. The part is in PQFP-210, a package family available in both lead-free and standard finishes depending on exact variant. Check the specific lot's markings or distributor documentation for RoHS compliance before procurement. AEC-Q100 is not applicable to CPLD/PLD devices per automotive qualification scope.
