EPM3512AFC256-3N - MAX 3000A CPLD 512 Macrocells | Altera
MPN: EPM3512AFC256-3N ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $38.5 | $38.50 |
| 10 | $34.2 | $342.00 |
| 100 | $29.75 | $2,975.00 |
| 500 | $26.1 | $13,050.00 |
| 1,000 | $23.4 | $23,400.00 |
Drop-in alternatives for EPM3512AFC256-3N — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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EPM3512AFC256-2N
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View Datasheet →EPM3512AFC256-3N Maximum Ratings & Electrical Characteristics
| Family | MAX 3000A |
| Device Type | CPLD (Complex Programmable Logic Device) |
| Macrocells | 512 |
| Usable Gates | 10,000 |
| Logic Array Blocks (LABs) | 16 |
| Maximum Operating Frequency | 116.3 MHz |
| Pin-to-Pin Delay (tPD) | 3.5 ns (speed grade -3) |
| Speed Grade | -3 (slowest in family) |
| Core Supply Voltage (VCCINT) | 3.3 V |
| I/O Supply Voltage (VCCIO) | 2.5 V / 3.3 V / 5.0 V (MultiVolt) |
| Package | 256-ball FineLine BGA (FC-256) |
| Mounting Type | Surface Mount |
| Programming Interface | JTAG (IEEE 1149.1) / IEEE Std. 1532 ISP |
| Configuration Memory | Non-volatile EEPROM |
EPM3512AFC256-3N 256-ball fineline bga (fc-256) Pin Configuration Guide
Complete pinout information for EPM3512AFC256-3N (256-ball fineline bga (fc-256) 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 EPM3512AFC256-3N.
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
EPM3512AFC256-3N is suitable for 6 applications: Microcontroller Bus Decoder and Address Latch, Industrial Control Glue Logic Replacement, Telecommunications Line-Card Interface Bridge, Power-Up Sequencing and Reset Controller, Legacy Peripheral Emulation and I/O Expansion, DSP and Processor Bus Arbiter.
Microcontroller Bus Decoder and Address Latch
The EPM3512AFC256-3N is well suited to decode multiplexed address/data buses and generate chip-select signals for microcontroller systems. With 512 macrocells and 116.3 MHz maximum operating frequency, the device can implement complex address maps and handshake protocols that would otherwise consume dozens of 7400-series TTL gates. The MultiVolt I/O interface (2.5 V / 3.3 V / 5.0 V) allows direct connection to legacy 5 V peripheral buses as well as modern 3.3 V MCUs without external level shifters. The non-volatile EEPROM configuration ensures deterministic boot behavior with no FPGA-style boot delay.
Recommended
Industrial Control Glue Logic Replacement
Industrial PLCs and motor-control boards often require large amounts of discrete glue logic that the EPM3512AFC256-3N can consolidate into a single chip. The 256-ball FineLine BGA package fits within a 17 mm × 17 mm footprint, replacing dozens of SOIC and TSSOP packages and improving long-term reliability by eliminating solder-joint count. The industrial operating temperature range (when specified) and EEPROM-based configuration make the device tolerant to vibration and power-line disturbances typical of factory-floor installations.
Recommended
Telecommunications Line-Card Interface Bridge
Telecommunications line cards require deterministic, low-latency glue logic between network processors, PHYs, and framer ICs. The EPM3512AFC256-3N’s 3.5 ns pin-to-pin delay and 116.3 MHz maximum frequency comfortably handle 77.76 MHz STS-12/STM-4 overhead processing. The IEEE 1149.1 JTAG boundary-scan interface simplifies board-level testing on densely populated line cards, and the non-volatile EEPROM configuration eliminates the boot-time risk associated with SRAM-based FPGAs in carrier-grade equipment.
Recommended
Power-Up Sequencing and Reset Controller
Multi-rail systems require strict power-up and power-down sequencing to prevent latch-up and bus-contention damage. The EPM3512AFC256-3N can implement a state-machine-based sequencer that monitors each rail’s PG (power-good) signal and asserts enable signals in the correct order with programmable delay taps. The 512-macrocell capacity allows sequencing of 8-16 rails simultaneously, while the non-volatile configuration ensures the sequencer is active before any MCU or ASIC boots, eliminating the classic ‘MCU boots before rails are stable’ failure mode.
Recommended
Legacy Peripheral Emulation and I/O Expansion
Many long-life-cycle embedded designs require emulation of legacy peripherals that have reached end-of-life. The EPM3512AFC256-3N can re-implement parallel ports, ISA bus interfaces, and proprietary peripheral protocols in a single programmable device, extending product lifecycles without PCB redesign. The MultiVolt I/O and 5 V tolerance allow direct connection to legacy buses, and the FC-256 BGA package supports both 3.3 V and 5 V mixed-voltage environments that are common in industrial retrofits and medical equipment.
Recommended
DSP and Processor Bus Arbiter
Multi-master systems with shared memory buses require deterministic arbitration logic that software cannot reliably provide. The EPM3512AFC256-3N implements fixed-priority or round-robin arbiters with sub-3.5 ns decision latency, ensuring no bus starvation even under heavy DMA traffic from DSPs and PCI peripherals. The 512-macrocell capacity supports complex arbitration trees with burst-mode awareness, and the JTAG interface simplifies bring-up debugging through Quartus II’s logic-analyzer SignalTap integration.
Recommended
Recommended Products Summary
Engineering reference data for EPM3512AFC256-3N — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPM3512AFC256-2N | EPM3512AFC256-10N | EPM3512AFC256-7N | EPM3512AFC256-10 | EPM3512AFC256-2 |
|---|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera | Altera |
| Package | 256-ball FineLine BGA (FC-256) | 256-ball FineLine BGA (FC-256) - same | 256-ball FineLine BGA (FC-256) - same | 256-ball FineLine BGA (FC-256) - same | 256-ball FineLine BGA (FC-256) - same | 256-ball FineLine BGA (FC-256) - same |
| Macrocells | 512 | 512 | 512 | 512 | 512 | 512 |
| Usable Gates | 10,000 | 10,000 | 10,000 | 10,000 | 10,000 | 10,000 |
| Pin-to-Pin Delay (tPD) | 3.5 ns | ~3 ns (faster) | ~3.5 ns (fastest grade) | ~7.5 ns (slower) | ~3.5 ns (fastest, non-N finish) | ~3 ns (faster, non-N finish) |
| Maximum Frequency | 116.3 MHz | >116.3 MHz | >116.3 MHz | ~100 MHz | >116.3 MHz | >116.3 MHz |
| Core Voltage (VCCINT) | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Lead-Free Finish | Yes (N suffix) | Yes (N suffix) | Yes (N suffix) | Yes (N suffix) | No (non-N finish) | No (non-N finish) |
Key Differentiators
- Highest-density member of the legacy MAX 3000A family (vs EPM3256AFC256-10N)
- Slowest commercial speed grade in the family (vs EPM3512AFC256-10N)
- MultiVolt I/O supports 5 V mixed-voltage buses without level shifters (vs EPM2210F256C5N (MAX V))
- Non-volatile EEPROM configuration eliminates boot delay (vs SRAM-based FPGAs)
Design Notes
The EPM3512AFC256-3N requires two separate supply rails: VCCINT (3.3 V core) and VCCIO (2.5 V, 3.3 V, or 5.0 V I/O drivers). Per the MAX 3000A datasheet, place a 0.1 µF decoupling capacitor within 3 mm of each VCCINT/VCCIO ball and bulk 10 µF tantalum or ceramic capacitors on each supply rail near the device. Power sequencing is not required: VCCIO can be applied before, simultaneously with, or after VCCINT without damaging the device, although logic behavior during partial-power conditions is undefined.
The 256-ball FineLine BGA package has a 1.0 mm ball pitch requiring 4-6 layer PCB construction with microvia or via-in-pad technology for reliable assembly. Per IPC-7351 guidelines, the PCB land-pad diameter should be 0.45 mm with a non-solder-mask-defined (NSMD) pad geometry for best joint reliability. Keep all signal traces on inner layers for controlled impedance routing of high-speed buses, and provide a continuous ground plane directly beneath the BGA to minimize power-loop inductance.
Estimated: I/O bank assignment in MAX 3000A devices must match VCCIO supply voltage — mixing 5 V and 3.3 V signals on the same I/O bank will damage the device. The JTAG pins (TCK, TMS, TDI, TDO, TRST) must be pulled to defined logic levels through 10 kΩ resistors; floating TCK or TMS will cause unpredictable JTAG state-machine behavior. The ‘N’ suffix indicates lead-free finish; the non-‘N’ variants (EPM3512AFC256-2, -10) use SnPb solder and are not RoHS-compliant.
Route JTAG signals away from high-speed clock and data lines to avoid crosstalk during in-system programming. The TRST pin should be tied low through a 1 kΩ resistor for normal operation, or driven by the JTAG programmer during ISP sessions. The dedicated input clock pins (GCLK1, GCLK2) have lower skew than general-purpose I/O and should be used for all global clock distribution within the design.
Compliance Information
The ‘N’ suffix denotes lead-free / Pb-free finish consistent with RoHS-compliant assembly, but explicit RoHS and REACH documentation was not available in the verified web data as of 2026-09-12. Engineers should request the Material Declaration Sheet from Intel FPGA support for compliance-sensitive designs. Not AEC-Q100 qualified; the MAX 3000A family is not marketed for automotive applications.
