EPM3512AQI208-7N - MAX 3000A CPLD 512 Macrocells 116.3MHz | Intel
MPN: EPM3512AQI208-7N β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $28.5 | $28.50 |
| 10 | $25.65 | $256.50 |
| 100 | $22.8 | $2,280.00 |
| 500 | $20.52 | $10,260.00 |
| 1,000 | $18.45 | $18,450.00 |
Drop-in alternatives for EPM3512AQI208-7N β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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View Datasheet βEPM3512AQI208-7N Maximum Ratings & Electrical Characteristics
| Family | MAX 3000A |
| Product Type | CPLD (Complex Programmable Logic Device) |
| Usable Gates | 10,000 |
| Macrocells | 512 |
| Logic Array Blocks (LABs) | 16 |
| Maximum Operating Frequency | 116.3 MHz |
| Core Supply Voltage (VCCINT) | 3.3 V |
| I/O Supply Voltage (VCCIO) | 2.5 V / 3.3 V / 5.0 V (MultiVolt) |
| Package | 208-pin PQFP |
| Programming Interface | IEEE 1149.1 JTAG (in-system programmable) |
| Configuration Memory | EEPROM (non-volatile) |
| Speed Grade | 7 (7N suffix) |
| Operating Temperature | Industrial (per 'N' suffix) |
| Pin Count | 208 |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
EPM3512AQI208-7N Pin Configuration
| Pin 1 | I/O β User I/O pin (function depends on Quartus / MAX+PLUS II fit) |
| Pin 2 | I/O β User I/O pin |
| Pin 3 | I/O β User I/O pin |
| Pin 4 | I/O β User I/O pin |
| Pin 5 | I/O β User I/O pin |
| Pin 6 | VCCIO β I/O supply voltage (2.5 V / 3.3 V / 5.0 V) |
| Pin 7 | GND β Ground |
| Pin 8 | I/O β User I/O pin |
| Pin 9 | I/O β User I/O pin |
| Pin 10 | I/O β User I/O pin |
| Pin 11 | I/O β User I/O pin |
| Pin 12 | I/O β User I/O pin |
| Pin 13 | I/O β User I/O pin |
| Pin 14 | TDI β JTAG Test Data In |
| Pin 15 | TMS β JTAG Test Mode Select |
| Pin 16 | TCK β JTAG Test Clock |
| Pin 17 | I/O β User I/O pin |
| Pin 18 | I/O β User I/O pin |
| Pin 19 | I/O β User I/O pin |
| Pin 20 | I/O β User I/O pin |
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
EPM3512AQI208-7N is suitable for 6 applications: Industrial Glue Logic Replacement, Legacy Bus Interface Bridging, State Machine and Protocol Encoder, Address Decoding and Chip Select Generation, Motor Control Timing and PWM Generation, Test and Measurement Instrumentation.
Industrial Glue Logic Replacement
The EPM3512AQI208-7N is well suited to replacing multiple discrete 74LS/74HC glue-logic packages on industrial control boards, consolidating address decoding, chip-select generation, and bus handshaking into a single non-volatile device. With 512 macrocells across 16 LABs it can absorb what previously required 8-12 discrete PAL/GAL devices, simplifying PCB layout and BOM. The MultiVolt VCCIO pins (2.5 V / 3.3 V / 5.0 V) allow direct interfacing with legacy 5 V peripherals without external level shifters, while the JTAG-based in-system programmability lets manufacturers reprogram via boundary-scan after board assembly, cutting rework time on logic changes.
Recommended
Legacy Bus Interface Bridging
The EPM3512AQI208-7N serves as a bridge between legacy parallel buses such as PCI, ISA, VME, or PC/104 and modern microprocessors, handling protocol conversion, address mapping, and timing translation in a single chip. Its 116.3 MHz Fmax and deterministic pin-to-pin delay make it ideal for asynchronous bus cycles where FPGAs would introduce jitter. The 208-pin PQFP provides enough user I/O to multiplex multiple bus interfaces simultaneously, and the non-volatile EEPROM configuration means the bridge comes up active in microseconds - critical for systems where the CPU cannot tolerate FPGA configuration latency at power-on.
Recommended
State Machine and Protocol Encoder
Designers use the EPM3512AQI208-7N to implement complex state machines and protocol encoders such as UART, SPI controller, I2C master, or custom serial protocols where deterministic timing is required. The MAX 3000A macrocell architecture with 32 macrocells per LAB maps naturally to FSM encoding with one-hot or binary state bits, and the product-term allocator handles wide decode logic efficiently. Because the device is non-volatile, the encoder starts in a known state immediately at power-on, eliminating the boot-time race condition that complicates FPGA-based implementations of the same function.
Recommended
Address Decoding and Chip Select Generation
The EPM3512AQI208-7N is widely used to decode processor address buses and generate glitch-free chip-select signals for memory and peripheral maps in embedded systems. With 512 macrocells, it can produce dozens of chip-select outputs covering 16-32 address lines, including sub-decoding for bank-switched memory or stacked peripherals. The deterministic propagation delay simplifies worst-case timing analysis for memory access, which is a common challenge in FPGA-based solutions. Combined with JTAG reprogrammability, designers can update memory maps during development without respinning the PCB.
Recommended
Motor Control Timing and PWM Generation
In motor control and power conversion applications, the EPM3512AQI208-7N generates precisely timed PWM signals, dead-band control, and fault-handling logic for three-phase inverters and DC motor drivers. Its deterministic delay supports the nanosecond-level timing margins required by modern MOSFET/IGFET gate drivers, and the MultiVolt I/O allows direct connection to 3.3 V microcontrollers and 5 V gate-driver inputs. With 512 macrocells it can run multiple independent PWM channels plus encoder-feedback processing, replacing dedicated timer ICs and reducing PCB area.
Recommended
Test and Measurement Instrumentation
Test equipment designers use the EPM3512AQI208-7N for timing generators, pulse-train synthesis, custom stimulus patterns, and boundary-scan test insertion. The JTAG interface doubles as both a programming port and a production-test access point, allowing the same hardware to be used for in-system programming and IEEE 1149.1 boundary-scan test. The deterministic timing means stimulus patterns are repeatable, which is critical for production testers. With 512 macrocells the device can synthesize multiple simultaneous timing channels, replacing racks of discrete timing chips in ATE designs.
Recommended
Recommended Products Summary
Engineering reference data for EPM3512AQI208-7N β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPM3512AQI208-10N | EPM3512AQI208-10 | EPM3512AQI208-7 | EPM3512AQC208-7N | EPM3512AQC208-10N | EPM3256AQI208-10N |
|---|---|---|---|---|---|---|---|
| Package | PQFP-208 | PQFP-208 - same | PQFP-208 - same | PQFP-208 - same | PQFP-208 - same | PQFP-208 - same | PQFP-208 - same |
| Brand | Intel (formerly Altera) | Intel - same brand | Intel - same brand | Intel - same brand | Intel - same brand | Intel - same brand | Intel - same brand |
| Macrocells | 512 | 512 - same | 512 - same | 512 - same | 512 - same | 512 - same | 256 (-50%) |
| Speed Grade | -7 (Fmax 116.3 MHz) | -10 (lower Fmax) | -10 (lower Fmax) | -7 (same) | -7 (same) | -10 (lower Fmax) | -10 (lower Fmax) |
| Temperature Range | Industrial (-40C to +85C) | Industrial - same | Industrial - same | Industrial - same | Commercial (0C to +70C) | Commercial (0C to +70C) | Industrial - same |
| Lead Finish (RoHS) | Lead-free (N suffix) | Lead-free - same | Lead-bearing (non-N) | Lead-bearing (non-N) | Lead-free - same | Lead-free - same | Lead-free - same |
| Usable Gates | 10,000 | 10,000 - same | 10,000 - same | 10,000 - same | 10,000 - same | 10,000 - same | 5,000 (-50%) |
| Programming Interface | JTAG (IEEE 1149.1) | JTAG - same | JTAG - same | JTAG - same | JTAG - same | JTAG - same | JTAG - same |
| Core Voltage (VCCINT) | 3.3 V | 3.3 V - same | 3.3 V - same | 3.3 V - same | 3.3 V - same | 3.3 V - same | 3.3 V - same |
Key Differentiators
- Faster speed grade within MAX 3000A family (vs EPM3512AQI208-10N)
- Higher density than 256-cell MAX 3000A (vs EPM3256AQI208-10N)
- Industrial temperature range with lead-free finish (vs EPM3512AQC208-7N)
Design Notes
The EPM3512AQI208-7N requires separate VCCINT (3.3 V core) and VCCIO (MultiVolt I/O) rails. VCCINT must be tied to a regulated 3.3 V supply; VCCIO can be connected to 2.5 V, 3.3 V, or 5.0 V depending on the I/O voltage of the surrounding logic. Decouple each VCCINT and VCCIO pin with a 0.1 uF ceramic capacitor placed as close to the package pin as possible, plus a bulk 10 uF tantalum or ceramic capacitor per rail. According to the MAX 3000A datasheet family, improper decoupling on VCCINT is the most common cause of JTAG programming failures.
The 208-pin PQFP package has 0.5 mm pitch leads and requires careful PCB layout to avoid solder bridges. Use a land pattern with at least 0.2 mm solder mask dam between pads and follow IPC-7351 PQFP guidelines. Place all decoupling capacitors within 5 mm of their respective supply pins and keep JTAG traces (TCK, TMS, TDI, TDO) short and parallel with a ground return to minimize programming noise. Estimated: trace impedance of 50 ohms is appropriate for JTAG at typical 10 MHz TCK rates.
Do not leave unused JTAG pins floating - tie TMS high through a 10 kohm pull-up, TCK low through 10 kohm pull-down, and TDI high through 10 kohm pull-up to avoid spurious JTAG state transitions at power-up. The MAX 3000A datasheet also warns against driving VCCIO below VCCINT - VCCIO must always be greater than or equal to VCCINT minus a small margin to prevent I/O latchup. If the design migrates between PQFP-208 and BGA-256 packages, verify the JTAG pinout matches; BGA variants route JTAG to different balls.
Compliance Information
RoHS and lead-free status inferred from 'N' suffix in MPN per Altera/Intel part-number convention. AEC-Q100 not applicable - CPLD is not an automotive-qualified part; the MAX 3000A family is industrial/commercial only.
