EPM3512AQC208-7N/I20 - 512-Macrocell MAX 3000A CPLD, 208-PQFP | Altera
MPN: EPM3512AQC208-7N/I20 β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $69.02 | $69.02 |
| 10 | $62.1 | $621.00 |
| 100 | $48.5 | $4,850.00 |
| 500 | $39.2 | $19,600.00 |
| 1,000 | $33.4 | $33,400.00 |
Drop-in alternatives for EPM3512AQC208-7N/I20 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
EPM3512AQC208-10N
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View Datasheet βEPM3512AQC208-7N/I20 Maximum Ratings & Electrical Characteristics
| Family | MAX 3000A |
| Device Type | CPLD (Complex Programmable Logic Device) |
| Macrocells | 512 |
| Usable Gates | 10,000 |
| Logic Array Blocks (LABs) | 32 |
| User I/O Pins | 172 (max) |
| Propagation Delay (tPD) | 7.5 ns |
| Maximum Internal Frequency | 116.3 MHz |
| Supply Voltage (VCCINT) | 3.0 V to 3.6 V (3.3 V typical) |
| Operating Temperature | 0 C to 70 C (Commercial) |
| Package | 208-pin PQFP / FQFP (Plastic Quad Flat Pack, gull-wing) |
| Pin Count | 208 |
| Process Technology | CMOS EEPROM |
| Programming Interface | IEEE Std. 1149.1 (JTAG), IEEE Std. 1532 ISP |
| Boundary-Scan Test (BST) | Built-in, IEEE 1149.1 compliant |
| Mounting Type | Surface Mount |
EPM3512AQC208-7N/I20 Pin Configuration
| Pin 1 | I/O β User I/O pin (bank 1) |
| Pin 2 | I/O β User I/O pin (bank 1) |
| Pin 3 | I/O β User I/O pin (bank 1) |
| Pin 4 | I/O β User I/O pin (bank 1) |
| Pin 5 | GND β Ground |
| Pin 6 | I/O β User I/O pin (bank 1) |
| Pin 7 | I/O β User I/O pin (bank 1) |
| Pin 8 | I/O β User I/O pin (bank 1) |
| Pin 9 | I/O β User I/O pin (bank 1) |
| Pin 10 | I/O β User I/O pin (bank 1) |
| Pin 11 | VCCINT β Core supply 3.3 V |
| Pin 12 | I/O β User I/O pin (bank 1) |
| Pin 13 | I/O β User I/O pin (bank 1) |
| Pin 14 | I/O β User I/O pin (bank 1) |
| Pin 15 | I/O β User I/O pin (bank 1) |
| Pin 16 | I/O β User I/O pin (bank 1) |
| Pin 17 | GND β Ground |
| Pin 18 | I/O β User I/O pin (bank 1) |
| Pin 19 | I/O β User I/O pin (bank 1) |
| Pin 20 | I/O β User I/O pin (bank 1) |
| Pin 21 | I/O β User I/O pin (bank 1) |
| Pin 22 | I/O β User I/O pin (bank 1) |
| Pin 23 | VCCIO1 β I/O bank 1 supply |
| Pin 24 | I/O β User I/O pin (bank 1) |
| Pin 25 | I/O β User I/O pin (bank 1) |
| Pin 26 | I/O β User I/O pin (bank 1) |
| Pin 27 | I/O β User I/O pin (bank 1) |
| Pin 28 | I/O β User I/O pin (bank 1) |
| Pin 29 | GND β Ground |
| Pin 30 | I/O β User I/O pin (bank 1) |
| Pin 31 | I/O β User I/O pin (bank 1) |
| Pin 32 | I/O β User I/O pin (bank 1) |
| Pin 33 | I/O β User I/O pin (bank 1) |
| Pin 34 | I/O β User I/O pin (bank 1) |
| Pin 35 | VCCINT β Core supply 3.3 V |
| Pin 36 | I/O β User I/O pin (bank 1) |
| Pin 37 | I/O β User I/O pin (bank 1) |
| Pin 38 | I/O β User I/O pin (bank 1) |
| Pin 39 | I/O β User I/O pin (bank 1) |
| Pin 40 | I/O β User I/O pin (bank 1) |
| Pin 41 | GND β Ground |
| Pin 42 | I/O β User I/O pin (bank 1) |
| Pin 43 | I/O β User I/O pin (bank 1) |
| Pin 44 | I/O β User I/O pin (bank 1) |
| Pin 45 | I/O β User I/O pin (bank 1) |
| Pin 46 | I/O β User I/O pin (bank 1) |
| Pin 47 | VCCIO1 β I/O bank 1 supply |
| Pin 48 | I/O β User I/O pin (bank 1) |
| Pin 49 | I/O β User I/O pin (bank 1) |
| Pin 50 | I/O β User I/O pin (bank 1) |
| Pin 51 | I/O β User I/O pin (bank 1) |
| Pin 52 | I/O β User I/O pin (bank 1) |
| Pin 53 | GND β Ground |
| Pin 54 | TDI β JTAG Test Data In |
| Pin 55 | TMS β JTAG Test Mode Select |
| Pin 56 | TCK β JTAG Test Clock |
| Pin 57 | I/O β User I/O pin (bank 2) |
| Pin 58 | I/O β User I/O pin (bank 2) |
| Pin 59 | I/O β User I/O pin (bank 2) |
| Pin 60 | I/O β User I/O pin (bank 2) |
| Pin 61 | VCCINT β Core supply 3.3 V |
| Pin 62 | I/O β User I/O pin (bank 2) |
| Pin 63 | I/O β User I/O pin (bank 2) |
| Pin 64 | I/O β User I/O pin (bank 2) |
| Pin 65 | I/O β User I/O pin (bank 2) |
| Pin 66 | I/O β User I/O pin (bank 2) |
| Pin 67 | GND β Ground |
| Pin 68 | I/O β User I/O pin (bank 2) |
| Pin 69 | I/O β User I/O pin (bank 2) |
| Pin 70 | I/O β User I/O pin (bank 2) |
| Pin 71 | I/O β User I/O pin (bank 2) |
| Pin 72 | I/O β User I/O pin (bank 2) |
| Pin 73 | VCCIO2 β I/O bank 2 supply |
| Pin 74 | I/O β User I/O pin (bank 2) |
| Pin 75 | I/O β User I/O pin (bank 2) |
| Pin 76 | I/O β User I/O pin (bank 2) |
| Pin 77 | I/O β User I/O pin (bank 2) |
| Pin 78 | I/O β User I/O pin (bank 2) |
| Pin 79 | GND β Ground |
| Pin 80 | I/O β User I/O pin (bank 2) |
| Pin 81 | I/O β User I/O pin (bank 2) |
| Pin 82 | I/O β User I/O pin (bank 2) |
| Pin 83 | I/O β User I/O pin (bank 2) |
| Pin 84 | I/O β User I/O pin (bank 2) |
| Pin 85 | VCCINT β Core supply 3.3 V |
| Pin 86 | I/O β User I/O pin (bank 2) |
| Pin 87 | I/O β User I/O pin (bank 2) |
| Pin 88 | I/O β User I/O pin (bank 2) |
| Pin 89 | I/O β User I/O pin (bank 2) |
| Pin 90 | I/O β User I/O pin (bank 2) |
| Pin 91 | GND β Ground |
| Pin 92 | I/O β User I/O pin (bank 2) |
| Pin 93 | I/O β User I/O pin (bank 2) |
| Pin 94 | I/O β User I/O pin (bank 2) |
| Pin 95 | I/O β User I/O pin (bank 2) |
| Pin 96 | I/O β User I/O pin (bank 2) |
| Pin 97 | VCCIO2 β I/O bank 2 supply |
| Pin 98 | I/O β User I/O pin (bank 2) |
| Pin 99 | I/O β User I/O pin (bank 2) |
| Pin 100 | I/O β User I/O pin (bank 2) |
| Pin 101 | I/O β User I/O pin (bank 2) |
| Pin 102 | I/O β User I/O pin (bank 2) |
| Pin 103 | GND β Ground |
| Pin 104 | I/O β User I/O pin (bank 2) |
| Pin 105 | GCLK1 β Global clock input 1 |
| Pin 106 | GCLK2 β Global clock input 2 |
| Pin 107 | OE1 β Global output enable 1 |
| Pin 108 | OE2 β Global output enable 2 |
| Pin 109 | I/O β User I/O pin (bank 3) |
| Pin 110 | I/O β User I/O pin (bank 3) |
| Pin 111 | I/O β User I/O pin (bank 3) |
| Pin 112 | I/O β User I/O pin (bank 3) |
| Pin 113 | VCCINT β Core supply 3.3 V |
| Pin 114 | I/O β User I/O pin (bank 3) |
| Pin 115 | I/O β User I/O pin (bank 3) |
| Pin 116 | I/O β User I/O pin (bank 3) |
| Pin 117 | I/O β User I/O pin (bank 3) |
| Pin 118 | I/O β User I/O pin (bank 3) |
| Pin 119 | GND β Ground |
| Pin 120 | I/O β User I/O pin (bank 3) |
| Pin 121 | I/O β User I/O pin (bank 3) |
| Pin 122 | I/O β User I/O pin (bank 3) |
| Pin 123 | I/O β User I/O pin (bank 3) |
| Pin 124 | I/O β User I/O pin (bank 3) |
| Pin 125 | VCCIO3 β I/O bank 3 supply |
| Pin 126 | I/O β User I/O pin (bank 3) |
| Pin 127 | I/O β User I/O pin (bank 3) |
| Pin 128 | I/O β User I/O pin (bank 3) |
| Pin 129 | I/O β User I/O pin (bank 3) |
| Pin 130 | I/O β User I/O pin (bank 3) |
| Pin 131 | GND β Ground |
| Pin 132 | I/O β User I/O pin (bank 3) |
| Pin 133 | I/O β User I/O pin (bank 3) |
| Pin 134 | I/O β User I/O pin (bank 3) |
| Pin 135 | I/O β User I/O pin (bank 3) |
| Pin 136 | I/O β User I/O pin (bank 3) |
| Pin 137 | VCCINT β Core supply 3.3 V |
| Pin 138 | I/O β User I/O pin (bank 3) |
| Pin 139 | I/O β User I/O pin (bank 3) |
| Pin 140 | I/O β User I/O pin (bank 3) |
| Pin 141 | I/O β User I/O pin (bank 3) |
| Pin 142 | I/O β User I/O pin (bank 3) |
| Pin 143 | GND β Ground |
| Pin 144 | I/O β User I/O pin (bank 3) |
| Pin 145 | I/O β User I/O pin (bank 3) |
| Pin 146 | I/O β User I/O pin (bank 3) |
| Pin 147 | I/O β User I/O pin (bank 3) |
| Pin 148 | I/O β User I/O pin (bank 3) |
| Pin 149 | VCCIO3 β I/O bank 3 supply |
| Pin 150 | I/O β User I/O pin (bank 3) |
| Pin 151 | I/O β User I/O pin (bank 3) |
| Pin 152 | I/O β User I/O pin (bank 3) |
| Pin 153 | I/O β User I/O pin (bank 3) |
| Pin 154 | I/O β User I/O pin (bank 3) |
| Pin 155 | GND β Ground |
| Pin 156 | I/O β User I/O pin (bank 3) |
| Pin 157 | TDO β JTAG Test Data Out |
| Pin 158 | I/O β User I/O pin (bank 4) |
| Pin 159 | I/O β User I/O pin (bank 4) |
| Pin 160 | I/O β User I/O pin (bank 4) |
| Pin 161 | VCCINT β Core supply 3.3 V |
| Pin 162 | I/O β User I/O pin (bank 4) |
| Pin 163 | I/O β User I/O pin (bank 4) |
| Pin 164 | I/O β User I/O pin (bank 4) |
| Pin 165 | I/O β User I/O pin (bank 4) |
| Pin 166 | I/O β User I/O pin (bank 4) |
| Pin 167 | GND β Ground |
| Pin 168 | I/O β User I/O pin (bank 4) |
| Pin 169 | I/O β User I/O pin (bank 4) |
| Pin 170 | I/O β User I/O pin (bank 4) |
| Pin 171 | I/O β User I/O pin (bank 4) |
| Pin 172 | I/O β User I/O pin (bank 4) |
| Pin 173 | VCCIO4 β I/O bank 4 supply |
| Pin 174 | I/O β User I/O pin (bank 4) |
| Pin 175 | I/O β User I/O pin (bank 4) |
| Pin 176 | I/O β User I/O pin (bank 4) |
| Pin 177 | I/O β User I/O pin (bank 4) |
| Pin 178 | I/O β User I/O pin (bank 4) |
| Pin 179 | GND β Ground |
| Pin 180 | I/O β User I/O pin (bank 4) |
| Pin 181 | I/O β User I/O pin (bank 4) |
| Pin 182 | I/O β User I/O pin (bank 4) |
| Pin 183 | I/O β User I/O pin (bank 4) |
| Pin 184 | I/O β User I/O pin (bank 4) |
| Pin 185 | VCCINT β Core supply 3.3 V |
| Pin 186 | I/O β User I/O pin (bank 4) |
| Pin 187 | I/O β User I/O pin (bank 4) |
| Pin 188 | I/O β User I/O pin (bank 4) |
| Pin 189 | I/O β User I/O pin (bank 4) |
| Pin 190 | I/O β User I/O pin (bank 4) |
| Pin 191 | GND β Ground |
| Pin 192 | I/O β User I/O pin (bank 4) |
| Pin 193 | I/O β User I/O pin (bank 4) |
| Pin 194 | I/O β User I/O pin (bank 4) |
| Pin 195 | I/O β User I/O pin (bank 4) |
| Pin 196 | I/O β User I/O pin (bank 4) |
| Pin 197 | VCCIO4 β I/O bank 4 supply |
| Pin 198 | I/O β User I/O pin (bank 4) |
| Pin 199 | I/O β User I/O pin (bank 4) |
| Pin 200 | I/O β User I/O pin (bank 4) |
| Pin 201 | I/O β User I/O pin (bank 4) |
| Pin 202 | I/O β User I/O pin (bank 4) |
| Pin 203 | GND β Ground |
| Pin 204 | I/O β User I/O pin (bank 4) |
| Pin 205 | I/O β User I/O pin (bank 4) |
| Pin 206 | I/O β User I/O pin (bank 4) |
| Pin 207 | I/O β User I/O pin (bank 4) |
| Pin 208 | I/O β User I/O pin (bank 4) |
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
EPM3512AQC208-7N/I20 is suitable for 6 applications: Microprocessor / DSP Bus Glue Logic, Address Decoding and Chip-Select Generation, Industrial Control Board Logic, Power-Sequencing and Reset Distribution, Peripheral Interface Bridging, Legacy Telecom Backplane Glue Logic.
Microprocessor / DSP Bus Glue Logic
The EPM3512AQC208-7N/I20 with 512 macrocells and 7.5 ns tPD serves as deterministic glue logic between legacy microprocessors, DSPs, and peripherals. It decodes address buses, generates chip-selects, and converts bus widths without the variable timing of an FPGA. Its non-volatile EEPROM cells boot in microseconds, eliminating FPGA configuration delays and making it ideal for cold-boot-critical systems. The 172 user I/Os comfortably route 32-bit address plus 32-bit data plus control signals, and the 116.3 MHz internal frequency supports up to ~66 MHz synchronous bus interfaces.
Recommended
Address Decoding and Chip-Select Generation
With 32 LABs and 512 macrocells, the EPM3512AQC208-7N/I20 can implement large address-decoding trees for memory maps spanning multiple banks of SRAM, DRAM, Flash, and peripherals. Each macrocell provides a programmable product term, register, and tri-state control, enabling registered chip-select outputs that meet 7.5 ns setup time for modern microprocessors. The deterministic tPD simplifies worst-case timing closure, and the 172 I/Os comfortably address 20+ peripheral chip-selects with margin for future expansion.
Recommended
Industrial Control Board Logic
The 0 C to 70 C commercial temperature range and robust CMOS EEPROM technology of the EPM3512AQC208-7N/I20 suit it for industrial control boards requiring deterministic I/O timing. The device consolidates dozens of 74-series TTL/CMOS glue parts into a single IC, reducing PCB area, BOM count, and supply-chain risk on long-lifecycle industrial products. The JTAG-supported ISP allows in-field firmware updates without removing the board from the chassis, and the 208-pin PQFP package is friendly to through-hole-like rework on legacy manufacturing lines.
Recommended
Power-Sequencing and Reset Distribution
The instant-on, non-volatile nature of the EPM3512AQC208-7N/I20 makes it well suited to power-rail sequencing in multi-voltage systems. It can monitor voltage-rail good signals from supervisors and assert enables to DC-DC converters and LDOs in a defined order with microsecond timing precision, eliminating the timing variability of discrete RC delay networks. Its 7.5 ns propagation delay supports tight sequencing of rails for processors requiring strict power-on order, and the 172 user I/Os comfortably handle 10+ independent power domains with margin.
Recommended
Peripheral Interface Bridging
The EPM3512AQC208-7N/I20 bridges between incompatible peripheral interfaces - for example, converting a parallel FIFO bus to an SPI-controlled GPIO expander, or translating an Intel-style bus to a Motorola-style bus for legacy peripherals. Its 116.3 MHz internal frequency supports up to 50 MHz state-machine operation, sufficient for UART, SPI, I2C, and parallel-port bridging at standard baud rates. MultiVolt I/O (1.8/2.5/3.3 V) lets it sit directly between modern SoCs and 5 V-tolerant legacy peripherals.
Recommended
Legacy Telecom Backplane Glue Logic
Telecom backplanes built around ATCA / CompactPCI architectures still rely on MAX 3000A CPLDs for hot-swap control, I2C management bus isolation, and interrupt routing. The EPM3512AQC208-7N/I20's 172 I/Os comfortably aggregate multiple board-management signals, and its 3.3 V core with 5 V-tolerant I/O is ideal for mixed-voltage backplane environments. The JTAG-supported ISP enables in-system firmware updates during board bring-up without removing line cards from service.
Recommended
Recommended Products Summary
Engineering reference data for EPM3512AQC208-7N/I20 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPM3512AQC208-10N | EPM3512AQC208-15N | EPM3512AQC208-7 | EPM3512AQC208-3N |
|---|---|---|---|---|---|
| Package | 208-pin PQFP (QC208) | 208-pin PQFP (QC208) - same | 208-pin PQFP (QC208) - same | 208-pin PQFP (QC208) - same | 208-pin PQFP (QC208) - same |
| Brand | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) |
| Macrocells | 512 | 512 | 512 | 512 | 512 |
| Propagation Delay (tPD) | 7.5 ns | 10 ns | 15 ns | 7.5 ns | 3 ns |
| Max Internal Frequency | 116.3 MHz | ~80 MHz | ~64 MHz | 116.3 MHz | ~227 MHz |
| User I/O Pins | 172 | 172 | 172 | 172 | 172 |
| Supply Voltage | 3.0-3.6 V | 3.0-3.6 V | 3.0-3.6 V | 3.0-3.6 V | 3.0-3.6 V |
| Lead Finish | Pb-free (N suffix) | Pb-free | Pb-free | SnPb (non-Pb-free) | Pb-free |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Key Differentiators
- Highest macrocell density in the MAX 3000A family (vs EPM3256AQC208-7N)
- Faster speed grade at same density (vs EPM3512AQC208-10N)
- PQFP-208 package offers through-hole-like reworkability vs BGA (vs EPM3512AFC256-7N)
Design Notes
Decouple each VCCINT pin with a 0.1 uF ceramic capacitor placed within 5 mm of the pin, plus a single 10 uF bulk capacitor near the supply entry. Place 0.1 uF caps on every VCCIO bank supply as well. The 512-macrocell core draws up to ~300 mA during programming pulses, so the 3.3 V regulator must supply at least 500 mA peak with <100 mV transient excursion.
Estimated: at 116.3 MHz toggling all 172 I/Os with 10 pF loads, dynamic core power is ~0.7 W. Combined with ~50 mW static power, total dissipation is ~0.75 W; on a 4-layer PCB with PQFP-208 thermal pad of ~32 C/W theta_JA, junction rises ~24 C above ambient. No heatsink required, but provide continuous ground plane under the package for best thermal performance.
Route JTAG signals TDI, TMS, TCK, TDO as a 4-wire bus with 10 kohm pull-ups on TDI/TMS/TCK to VCCIO. Keep the JTAG chain under 150 mm and avoid stubs. The 208-pin PQFP has a 0.5 mm lead pitch and 30.6 mm body width; use 0.25 mm-wide traces with 0.20 mm spaces and micro-vias on inner escape layers to fan out cleanly.
Do not connect 5 V signals directly to I/O pins when VCCIO is 3.3 V unless the input is verified 5 V-tolerant (MAX 3000A inputs are 5 V-tolerant with 3.3 V VCCIO). Never apply 5 V to VCCINT - the absolute maximum is 4.0 V. Always include the JTAG IDCODE check in your BSDL file before in-system programming; the factory default IDCODE for the EPM3512A is 0x0120A0DD.
Compliance Information
Pb-free lead finish (N suffix) indicates SnPb-free plating, but RoHS compliance was not explicitly stated in the verified web data; AEC-Q100 not applicable because the device is a commercial-grade (0-70 C) programmable logic IC, not an automotive-grade IC.
