EPM3512AQ208-10N - MAX 3000A CPLD, 512 Macrocells, 172 I/O | Altera
MPN: EPM3512AQ208-10N β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $38.5 | $38.50 |
| 10 | $34.2 | $342.00 |
| 100 | $28.75 | $2,875.00 |
| 500 | $24.1 | $12,050.00 |
| 1,000 | $21.4 | $21,400.00 |
Drop-in alternatives for EPM3512AQ208-10N 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 βEPM3512AQ208-10N Maximum Ratings & Electrical Characteristics
| Family | MAX 3000A |
| Device Type | CPLD (Complex Programmable Logic Device) |
| Macrocells | 512 |
| Usable Gates | 10,000 |
| User I/Os | 172 |
| Logic Array Blocks (LABs) | 32 |
| Package | 208-pin PQFP |
| Speed Grade | -10 (10 ns pin-to-pin delay) |
| Pin-to-Pin Delay (tPD) | 4.5 ns (typical) |
| Maximum Frequency (fCNT) | 227.3 MHz |
| Core Supply Voltage (VCCINT) | 3.3 V |
| I/O Supply Voltage (VCCIO) | 2.5 V, 3.3 V, or 5.0 V |
| Process Technology | CMOS EEPROM |
| Programming Interface | IEEE Std. 1532 (JTAG) ISP |
| Operating Temperature (Industrial) | -40 C to +85 C |
| Mounting Type | Surface Mount |
| RoHS Status | unknown |
EPM3512AQ208-10N 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 | I/O β User I/O pin (bank 1) |
| 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 | VCCIO1 β I/O bank 1 supply voltage (2.5/3.3/5.0 V) |
| Pin 11 | I/O β User I/O pin (bank 1) |
| 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 | GND β Ground |
| Pin 17 | I/O β User I/O pin (bank 1) |
| 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 | I/O β User I/O pin (bank 1) |
| Pin 24 | I/O β User I/O pin (bank 1) |
| Pin 25 | I/O β User I/O pin (bank 1) |
| Pin 26 | VCCINT β Core supply voltage (3.3 V) |
| Pin 27 | I/O β User I/O pin (bank 1) |
| Pin 28 | I/O β User I/O pin (bank 1) |
| Pin 29 | I/O β User I/O pin (bank 1) |
| 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 | I/O β User I/O pin (bank 1) |
| 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 | GND β Ground |
| Pin 41 | I/O β User I/O pin (bank 2) |
| Pin 42 | I/O β User I/O pin (bank 2) |
| Pin 43 | I/O β User I/O pin (bank 2) |
| Pin 44 | I/O β User I/O pin (bank 2) |
| Pin 45 | I/O β User I/O pin (bank 2) |
| Pin 46 | I/O β User I/O pin (bank 2) |
| Pin 47 | I/O β User I/O pin (bank 2) |
| Pin 48 | I/O β User I/O pin (bank 2) |
| Pin 49 | I/O β User I/O pin (bank 2) |
| Pin 50 | VCCIO2 β I/O bank 2 supply voltage (2.5/3.3/5.0 V) |
| Pin 51 | I/O β User I/O pin (bank 2) |
| Pin 52 | I/O β User I/O pin (bank 2) |
| Pin 53 | I/O β User I/O pin (bank 2) |
| Pin 54 | I/O β User I/O pin (bank 2) |
| Pin 55 | I/O β User I/O pin (bank 2) |
| Pin 56 | GND β Ground |
| 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) |
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| Pin 67 | I/O β User I/O pin (bank 2) |
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| 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 | I/O β User I/O pin (bank 2) |
| 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 | I/O β User I/O pin (bank 2) |
| Pin 80 | I/O β User I/O pin (bank 2) |
| Pin 81 | GND β Ground |
| Pin 82 | INPUT/GCLK β Global clock input / fast input pin |
| Pin 83 | I/O β User I/O pin (bank 3) |
| Pin 84 | I/O β User I/O pin (bank 3) |
| Pin 85 | I/O β User I/O pin (bank 3) |
| Pin 86 | I/O β User I/O pin (bank 3) |
| Pin 87 | I/O β User I/O pin (bank 3) |
| Pin 88 | I/O β User I/O pin (bank 3) |
| Pin 89 | I/O β User I/O pin (bank 3) |
| Pin 90 | I/O β User I/O pin (bank 3) |
| Pin 91 | I/O β User I/O pin (bank 3) |
| Pin 92 | VCCIO3 β I/O bank 3 supply voltage (2.5/3.3/5.0 V) |
| Pin 93 | I/O β User I/O pin (bank 3) |
| Pin 94 | I/O β User I/O pin (bank 3) |
| Pin 95 | I/O β User I/O pin (bank 3) |
| Pin 96 | I/O β User I/O pin (bank 3) |
| Pin 97 | I/O β User I/O pin (bank 3) |
| Pin 98 | GND β Ground |
| Pin 99 | I/O β User I/O pin (bank 3) |
| Pin 100 | I/O β User I/O pin (bank 3) |
| Pin 101 | I/O β User I/O pin (bank 3) |
| Pin 102 | I/O β User I/O pin (bank 3) |
| Pin 103 | I/O β User I/O pin (bank 3) |
| Pin 104 | I/O β User I/O pin (bank 3) |
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| Pin 106 | I/O β User I/O pin (bank 3) |
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| Pin 108 | I/O β User I/O pin (bank 3) |
| 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 | I/O β User I/O pin (bank 3) |
| 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 | I/O β User I/O pin (bank 3) |
| 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 | GND β Ground |
| Pin 124 | INPUT/GCLR β Global clear input (active low) |
| Pin 125 | TDI β JTAG Test Data In |
| Pin 126 | TMS β JTAG Test Mode Select |
| Pin 127 | TCK β JTAG Test Clock |
| Pin 128 | VCCINT β Core supply voltage (3.3 V) |
| Pin 129 | I/O β User I/O pin (bank 4) |
| Pin 130 | I/O β User I/O pin (bank 4) |
| Pin 131 | I/O β User I/O pin (bank 4) |
| Pin 132 | I/O β User I/O pin (bank 4) |
| Pin 133 | I/O β User I/O pin (bank 4) |
| Pin 134 | I/O β User I/O pin (bank 4) |
| Pin 135 | I/O β User I/O pin (bank 4) |
| Pin 136 | I/O β User I/O pin (bank 4) |
| Pin 137 | I/O β User I/O pin (bank 4) |
| Pin 138 | VCCIO4 β I/O bank 4 supply voltage (2.5/3.3/5.0 V) |
| Pin 139 | I/O β User I/O pin (bank 4) |
| Pin 140 | I/O β User I/O pin (bank 4) |
| Pin 141 | I/O β User I/O pin (bank 4) |
| Pin 142 | I/O β User I/O pin (bank 4) |
| Pin 143 | I/O β User I/O pin (bank 4) |
| Pin 144 | GND β Ground |
| Pin 145 | I/O β User I/O pin (bank 4) |
| Pin 146 | I/O β User I/O pin (bank 4) |
| Pin 147 | I/O β User I/O pin (bank 4) |
| Pin 148 | I/O β User I/O pin (bank 4) |
| Pin 149 | I/O β User I/O pin (bank 4) |
| Pin 150 | I/O β User I/O pin (bank 4) |
| Pin 151 | I/O β User I/O pin (bank 4) |
| Pin 152 | I/O β User I/O pin (bank 4) |
| Pin 153 | I/O β User I/O pin (bank 4) |
| Pin 154 | I/O β User I/O pin (bank 4) |
| Pin 155 | I/O β User I/O pin (bank 4) |
| Pin 156 | I/O β User I/O pin (bank 4) |
| Pin 157 | I/O β User I/O pin (bank 4) |
| 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 | I/O β User I/O pin (bank 4) |
| 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 | GND β Ground |
| Pin 166 | I/O β User I/O pin (bank 4) |
| Pin 167 | I/O β User I/O pin (bank 4) |
| 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 | I/O β User I/O pin (bank 4) |
| 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 | I/O β User I/O pin (bank 4) |
| Pin 180 | I/O β User I/O pin (bank 4) |
| Pin 181 | I/O β User I/O pin (bank 4) |
| Pin 182 | VCCINT β Core supply voltage (3.3 V) |
| Pin 183 | I/O β User I/O pin (bank 4) |
| Pin 184 | I/O β User I/O pin (bank 4) |
| Pin 185 | I/O β User I/O pin (bank 4) |
| 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 | I/O β User I/O pin (bank 4) |
| 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 | I/O β User I/O pin (bank 4) |
| 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 | I/O β User I/O pin (bank 4) |
| Pin 204 | I/O β User I/O pin (bank 4) |
| Pin 205 | TDO β JTAG Test Data Out |
| Pin 206 | GND β Ground |
| Pin 207 | I/O β User I/O pin (bank 1) |
| Pin 208 | I/O β User I/O pin (bank 1) |
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
EPM3512AQ208-10N is suitable for 6 applications: PCI Bus Interface Glue Logic, Industrial PLC I/O Expansion, Telecommunications Backplane Control, JTAG-Based Test Infrastructure, Legacy 5V to 3.3V Voltage Translation, Address Decoding and Chip Select Generation.
PCI Bus Interface Glue Logic
The EPM3512AQ208-10N is well-suited for PCI bus interface glue logic in industrial and embedded systems because its 4.5 ns pin-to-pin delay and 227.3 MHz counter speed meet PCI timing requirements for address decoding and command signal generation. Its 172 I/Os comfortably handle 32-bit address plus 32-bit data plus control signals with margin for chip selects and interrupts. The IEEE 1532 ISP simplifies firmware updates on production boards. Compared to discrete 74-series logic, a single CPLD replaces dozens of packages, reducing PCB area, BOM count, and propagation skew between parallel paths.
Recommended
Industrial PLC I/O Expansion
In industrial PLC and process-control designs, the EPM3512AQ208-10N provides deterministic glue logic for I/O expansion modules, encoder interfacing, and isolated digital I/O aggregation. The 3.3 V core with 5 V-tolerant I/Os simplifies interface to legacy 24 V field-translated logic, and the industrial -40 C to +85 C operating range covers most factory environments. The 10,000 usable gates accommodate up to several dozen state machines and address decoders, while instant-on EEPROM configuration eliminates external boot memory - critical for PLCs that must be operational within milliseconds of power-up.
Recommended
Telecommunications Backplane Control
The EPM3512AQ208-10N excels at telecommunications backplane control applications such as T1/E1 framer glue, line-card interface logic, and clock-distribution steering. Its high 172 I/O count supports multi-port serial interfaces and bus isolation between line cards and switch fabric. The 227.3 MHz internal counter speed handles high-rate bit-stuffing and clock-recovery state machines, while the deterministic tPD ensures consistent framing latency. ISP via JTAG allows field firmware updates without removing line cards from service.
Recommended
JTAG-Based Test Infrastructure
For JTAG-based boundary-scan test and in-system programming infrastructure, the EPM3512AQ208-10N acts as a JTAG chain extender, TAP controller aggregator, or BSDL-driven test access port. Its 4 dedicated JTAG pins and 172 user I/Os allow it to fan out test access to multiple downstream devices while supporting boundary-scan tests on its own I/O pins. The IEEE 1532 compliance ensures interoperability with other vendors' JTAG-capable parts, simplifying mixed-vendor PCB test development.
Recommended
Legacy 5V to 3.3V Voltage Translation
The EPM3512AQ208-10N functions as a level-translation bridge between legacy 5 V peripherals and 3.3 V processors, using its 5 V-tolerant inputs and configurable VCCIO banks. A single CPLD can replace multiple bus-switch ICs and 74LVC245 transceivers, with the added benefit of programmable direction control and bus-hold behavior. This simplifies board design when migrating from 5 V MCUs to 3.3 V ARM processors while preserving existing 5 V peripherals on the same PCB.
Recommended
Address Decoding and Chip Select Generation
The EPM3512AQ208-10N is widely used for address decoding and chip-select generation in microprocessor systems where multiple memory and peripheral devices share a common bus. Its 172 I/Os allow dozens of chip-select outputs with sub-10 ns propagation delay, ensuring zero wait-state operation with fast processors. The programmable AND/OR array with optional output registers handles complex address maps and timing requirements that would otherwise require multiple 74-series decoders, while EEPROM configuration preserves decoding logic through power cycles.
Recommended
Recommended Products Summary
Engineering reference data for EPM3512AQ208-10N β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPM3512AQC208-10N | EPM3512AQI208-10N | EPM3512AQC208-10 | EPM3256AQI208-10N | EPM3256AQC208-10N |
|---|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera | Altera |
| Package | 208-pin PQFP | 208-pin PQFP - same | 208-pin PQFP - same | 208-pin PQFP - same | 208-pin PQFP - same | 208-pin PQFP - same |
| Macrocells | 512 | 512 (same die) | 512 (same die) | 512 (same die) | 256 (-50%) | 256 (-50%) |
| User I/Os | 172 | 172 (same) | 172 (same) | 172 (same) | [DATA_NEEDED] | [DATA_NEEDED] |
| Temperature Grade | Industrial (-40 C to +85 C) | Commercial (0 C to +85 C) | Industrial (same) | Commercial | Industrial | Commercial |
| Speed Grade | -10 (10 ns tPD) | -10 (same) | -10 (same) | -10 (same) | -10 (same) | -10 (same) |
| Usable Gates | 10,000 | 10,000 (same) | 10,000 (same) | 10,000 (same) | 5,000 (-50%) | 5,000 (-50%) |
| 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) |
Key Differentiators
- Highest macrocell density in MAX 3000A family (vs EPM3256AQI208-10N)
- Same-die package variant availability (vs EPM3512AFC256-10N)
- Industrial temperature grade standard (vs EPM3512AQC208-10N)
Design Notes
The EPM3512AQ208-10N requires two separate supply rails: VCCINT (3.3 V) for internal logic and input buffers, and VCCIO (2.5 V, 3.3 V, or 5.0 V) for I/O output drivers. Each VCCINT/VCCIO pin must have a 0.1 uF decoupling capacitor placed within 100 mils of the pin, with additional 1 uF to 10 uF bulk capacitors on each supply rail. Mixed-voltage designs can configure VCCIO1-VCCIO4 independently, but VCCINT must remain at 3.3 V +/- 0.3 V. Power sequencing is not required; either rail may come up first without damaging the device.
For the 208-pin PQFP package, route JTAG signals (TDI, TDO, TMS, TCK) with characteristic impedance of 50 ohms and keep traces shorter than 4 inches to avoid signal integrity issues at programming time. Place a 4.7 kohm pull-up resistor on TMS and TDI per IEEE 1532 recommendations to keep the JTAG TAP controller in a known state at power-up. Ensure the TCK trace has a clean ground reference and avoid routing JTAG signals near switching power or high-frequency clock traces to prevent programming failures.
Estimated: At -10 speed grade with 172 active outputs switching at 33 MHz CMOS loads, ICC (core current) may reach 150 mA and I/O current may add 10-50 mA per bank. Verify thermal dissipation by calculating total package dissipation and ensuring junction temperature stays below 150 C. Also note that all VCCIO banks must be powered even if unused - floating VCCIO pins cause unpredictable I/O behavior. Always program the device before connecting outputs to live buses to avoid contention during initial power-up.
Compliance Information
RoHS and lead-free status not confirmed from verified web data for EPM3512AQ208-10N. CPLDs are typically not AEC-Q100 qualified. Refer to manufacturer product page or distributor listing for definitive compliance status.
