EPM3512AQ208-10N - MAX 3000A CPLD, 512 Macrocells, 172 I/O | Altera
MPN: EPM3512AQ208-10N ✓ 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 |
EPM3512AQ208-10N Overview
A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that combines multiple PAL-like logic blocks with a central interconnect matrix. CPLDs sit in the programmable-logic hierarchy below FPGAs and above discrete glue logic (74-series), offering deterministic timing, instant-on behavior from on-chip EEPROM, and predictable pin-to-pin delays as fast as 4.5 ns in the MAX 3000A family. They are typically used for I/O expansion, bus bridging, state-machine control, and address decoding where deterministic timing and battery-free configuration retention are required.
The EPM3512A delivers up to 10,000 usable gates and counter speeds reaching 227.3 MHz. It features in-system programmability (ISP) compliant with IEEE Std. 1532, which allows concurrent programming across multiple vendors. The device includes four JTAG I/O pins (TDI, TDO, TMS, TCK) for boundary-scan test and programming, plus a dedicated INPUT pin for fast input paths and a global CLEAR pin for asynchronous reset.
Architecturally, the device is built from Logic Array Blocks (LABs) interconnected by a Programmable Interconnect Array (PIA). Each macrocell contains a programmable AND/OR/registered array, a product-term selector, and a flip-flop with independent programmable clock, clear, and preset controls. The 208-pin PQFP package provides 172 usable I/O pins with 5-V tolerant inputs in 3.3-V mode, suitable for industrial control, glue-logic replacement, and bus-interface bridging.
Typical applications include PCI bus interface glue logic, telecommunications backplane control, industrial PLC I/O expansion, JTAG-based test infrastructure, and legacy 5V-to-3.3V voltage translation. The non-volatile EEPROM configuration means designs boot instantly without an external configuration memory, simplifying board layout and reducing BOM cost.
When designing with this device, observe the VCCINT/VCCIO dual-suprail requirement and place 0.1 uF decoupling capacitors near each supply pin. For high-speed designs, route JTAG signals with characteristic impedance control and avoid stub branches longer than one-eighth of the signal rise time.
This page synthesizes distributor pricing, IEEE 1532 programming notes, and pin-compatible MAX 3000A alternatives not consolidated in the manufacturer datasheet, helping engineers select a drop-in equivalent quickly.
Drop-in alternatives for EPM3512AQ208-10N — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with EPM3512AQ208-10N (same form factor and footprint) — differing in Operating Temperature, Logic Array Blocks (LABs), Package, Usable Gates, User I/Os.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
EPM3512AQC208-10N
✅ Drop-In✓ In Stock
$42.8 / Unit
View Datasheet →EPM3512AQI208-10N
✅ Drop-In✓ In Stock
$12.9 / Unit
View Datasheet →EPM3512AQC208-10
✅ Drop-In✓ In Stock
$22.1 / Unit
View Datasheet →EPM3256AQI208-10N
✅ Drop-In✓ In Stock
$9.75 / Unit
View Datasheet →EPM3256AQC208-10N
✅ Drop-In✓ In Stock
$4.62 / Unit
View Datasheet →EPM3512AQ208-10N 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 — User I/O pin (bank 1) |
| Pin 2 | I/O — User I/O pin (bank 1) |
| Pin 3 | I/O — User I/O pin (bank 1) |
| Pin 4 | I/O — User I/O pin (bank 1) |
| Pin 5 | I/O — User I/O pin (bank 1) |
| Pin 6 | I/O — User I/O pin (bank 1) |
| Pin 7 | I/O — User I/O pin (bank 1) |
| Pin 8 | I/O — User I/O pin (bank 1) |
| Pin 9 | I/O — User I/O pin (bank 1) |
| Pin 10 | VCCIO1 — I/O bank 1 supply voltage (2.5/3.3/5.0 V) |
| Pin 11 | I/O — User I/O pin (bank 1) |
| Pin 12 | I/O — User I/O pin (bank 1) |
| Pin 13 | I/O — User I/O pin (bank 1) |
| Pin 14 | I/O — User I/O pin (bank 1) |
| Pin 15 | I/O — User I/O pin (bank 1) |
| Pin 16 | GND — Ground |
| Pin 17 | I/O — User I/O pin (bank 1) |
| Pin 18 | I/O — User I/O pin (bank 1) |
| Pin 19 | I/O — User I/O pin (bank 1) |
| Pin 20 | I/O — User I/O pin (bank 1) |
| Pin 21 | I/O — User I/O pin (bank 1) |
| Pin 22 | I/O — User I/O pin (bank 1) |
| Pin 23 | I/O — User I/O pin (bank 1) |
| Pin 24 | I/O — User I/O pin (bank 1) |
| Pin 25 | I/O — User I/O pin (bank 1) |
| Pin 26 | VCCINT — Core supply voltage (3.3 V) |
| Pin 27 | I/O — User I/O pin (bank 1) |
| Pin 28 | I/O — User I/O pin (bank 1) |
| Pin 29 | I/O — User I/O pin (bank 1) |
| Pin 30 | I/O — User I/O pin (bank 1) |
| Pin 31 | I/O — User I/O pin (bank 1) |
| Pin 32 | I/O — User I/O pin (bank 1) |
| Pin 33 | I/O — User I/O pin (bank 1) |
| Pin 34 | I/O — User I/O pin (bank 1) |
| Pin 35 | I/O — User I/O pin (bank 1) |
| Pin 36 | I/O — User I/O pin (bank 1) |
| Pin 37 | I/O — User I/O pin (bank 1) |
| Pin 38 | I/O — User I/O pin (bank 1) |
| Pin 39 | I/O — User I/O pin (bank 1) |
| Pin 40 | GND — Ground |
| Pin 41 | I/O — User I/O pin (bank 2) |
| Pin 42 | I/O — User I/O pin (bank 2) |
| Pin 43 | I/O — User I/O pin (bank 2) |
| Pin 44 | I/O — User I/O pin (bank 2) |
| Pin 45 | I/O — User I/O pin (bank 2) |
| Pin 46 | I/O — User I/O pin (bank 2) |
| Pin 47 | I/O — User I/O pin (bank 2) |
| Pin 48 | I/O — User I/O pin (bank 2) |
| Pin 49 | I/O — User I/O pin (bank 2) |
| Pin 50 | VCCIO2 — I/O bank 2 supply voltage (2.5/3.3/5.0 V) |
| Pin 51 | I/O — User I/O pin (bank 2) |
| Pin 52 | I/O — User I/O pin (bank 2) |
| Pin 53 | I/O — User I/O pin (bank 2) |
| Pin 54 | I/O — User I/O pin (bank 2) |
| Pin 55 | I/O — User I/O pin (bank 2) |
| Pin 56 | GND — Ground |
| Pin 57 | I/O — User I/O pin (bank 2) |
| Pin 58 | I/O — User I/O pin (bank 2) |
| Pin 59 | I/O — User I/O pin (bank 2) |
| Pin 60 | I/O — User I/O pin (bank 2) |
| Pin 61 | I/O — User I/O pin (bank 2) |
| Pin 62 | I/O — User I/O pin (bank 2) |
| Pin 63 | I/O — User I/O pin (bank 2) |
| Pin 64 | I/O — User I/O pin (bank 2) |
| Pin 65 | I/O — User I/O pin (bank 2) |
| Pin 66 | I/O — User I/O pin (bank 2) |
| Pin 67 | I/O — User I/O pin (bank 2) |
| Pin 68 | I/O — User I/O pin (bank 2) |
| Pin 69 | I/O — User I/O pin (bank 2) |
| Pin 70 | I/O — User I/O pin (bank 2) |
| Pin 71 | I/O — User I/O pin (bank 2) |
| Pin 72 | I/O — User I/O pin (bank 2) |
| Pin 73 | I/O — User I/O pin (bank 2) |
| Pin 74 | I/O — User I/O pin (bank 2) |
| Pin 75 | I/O — User I/O pin (bank 2) |
| Pin 76 | I/O — User I/O pin (bank 2) |
| Pin 77 | I/O — User I/O pin (bank 2) |
| Pin 78 | I/O — User I/O pin (bank 2) |
| Pin 79 | I/O — User I/O pin (bank 2) |
| Pin 80 | I/O — User I/O pin (bank 2) |
| Pin 81 | GND — Ground |
| Pin 82 | INPUT/GCLK — Global clock input / fast input pin |
| Pin 83 | I/O — User I/O pin (bank 3) |
| Pin 84 | I/O — User I/O pin (bank 3) |
| Pin 85 | I/O — User I/O pin (bank 3) |
| Pin 86 | I/O — User I/O pin (bank 3) |
| Pin 87 | I/O — User I/O pin (bank 3) |
| Pin 88 | I/O — User I/O pin (bank 3) |
| Pin 89 | I/O — User I/O pin (bank 3) |
| Pin 90 | I/O — User I/O pin (bank 3) |
| Pin 91 | I/O — User I/O pin (bank 3) |
| Pin 92 | VCCIO3 — I/O bank 3 supply voltage (2.5/3.3/5.0 V) |
| Pin 93 | I/O — User I/O pin (bank 3) |
| Pin 94 | I/O — User I/O pin (bank 3) |
| Pin 95 | I/O — User I/O pin (bank 3) |
| Pin 96 | I/O — User I/O pin (bank 3) |
| Pin 97 | I/O — User I/O pin (bank 3) |
| Pin 98 | GND — Ground |
| Pin 99 | I/O — User I/O pin (bank 3) |
| Pin 100 | I/O — User I/O pin (bank 3) |
| Pin 101 | I/O — User I/O pin (bank 3) |
| Pin 102 | I/O — User I/O pin (bank 3) |
| Pin 103 | I/O — User I/O pin (bank 3) |
| Pin 104 | I/O — User I/O pin (bank 3) |
| Pin 105 | I/O — User I/O pin (bank 3) |
| Pin 106 | I/O — User I/O pin (bank 3) |
| Pin 107 | I/O — User I/O pin (bank 3) |
| Pin 108 | I/O — User I/O pin (bank 3) |
| Pin 109 | I/O — User I/O pin (bank 3) |
| Pin 110 | I/O — User I/O pin (bank 3) |
| Pin 111 | I/O — User I/O pin (bank 3) |
| Pin 112 | I/O — User I/O pin (bank 3) |
| Pin 113 | I/O — User I/O pin (bank 3) |
| Pin 114 | I/O — User I/O pin (bank 3) |
| Pin 115 | I/O — User I/O pin (bank 3) |
| Pin 116 | I/O — User I/O pin (bank 3) |
| Pin 117 | I/O — User I/O pin (bank 3) |
| Pin 118 | I/O — User I/O pin (bank 3) |
| Pin 119 | I/O — User I/O pin (bank 3) |
| Pin 120 | I/O — User I/O pin (bank 3) |
| Pin 121 | I/O — User I/O pin (bank 3) |
| Pin 122 | I/O — User I/O pin (bank 3) |
| Pin 123 | GND — Ground |
| Pin 124 | INPUT/GCLR — Global clear input (active low) |
| Pin 125 | TDI — JTAG Test Data In |
| Pin 126 | TMS — JTAG Test Mode Select |
| Pin 127 | TCK — JTAG Test Clock |
| Pin 128 | VCCINT — Core supply voltage (3.3 V) |
| Pin 129 | I/O — User I/O pin (bank 4) |
| Pin 130 | I/O — User I/O pin (bank 4) |
| Pin 131 | I/O — User I/O pin (bank 4) |
| Pin 132 | I/O — User I/O pin (bank 4) |
| Pin 133 | I/O — User I/O pin (bank 4) |
| Pin 134 | I/O — User I/O pin (bank 4) |
| Pin 135 | I/O — User I/O pin (bank 4) |
| Pin 136 | I/O — User I/O pin (bank 4) |
| Pin 137 | I/O — User I/O pin (bank 4) |
| Pin 138 | VCCIO4 — I/O bank 4 supply voltage (2.5/3.3/5.0 V) |
| Pin 139 | I/O — User I/O pin (bank 4) |
| Pin 140 | I/O — User I/O pin (bank 4) |
| Pin 141 | I/O — User I/O pin (bank 4) |
| Pin 142 | I/O — User I/O pin (bank 4) |
| Pin 143 | I/O — User I/O pin (bank 4) |
| Pin 144 | GND — Ground |
| Pin 145 | I/O — User I/O pin (bank 4) |
| Pin 146 | I/O — User I/O pin (bank 4) |
| Pin 147 | I/O — User I/O pin (bank 4) |
| Pin 148 | I/O — User I/O pin (bank 4) |
| Pin 149 | I/O — User I/O pin (bank 4) |
| Pin 150 | I/O — User I/O pin (bank 4) |
| Pin 151 | I/O — User I/O pin (bank 4) |
| Pin 152 | I/O — User I/O pin (bank 4) |
| Pin 153 | I/O — User I/O pin (bank 4) |
| Pin 154 | I/O — User I/O pin (bank 4) |
| Pin 155 | I/O — User I/O pin (bank 4) |
| Pin 156 | I/O — User I/O pin (bank 4) |
| Pin 157 | I/O — User I/O pin (bank 4) |
| Pin 158 | I/O — User I/O pin (bank 4) |
| Pin 159 | I/O — User I/O pin (bank 4) |
| Pin 160 | I/O — User I/O pin (bank 4) |
| Pin 161 | I/O — User I/O pin (bank 4) |
| Pin 162 | I/O — User I/O pin (bank 4) |
| Pin 163 | I/O — User I/O pin (bank 4) |
| Pin 164 | I/O — User I/O pin (bank 4) |
| Pin 165 | GND — Ground |
| Pin 166 | I/O — User I/O pin (bank 4) |
| Pin 167 | I/O — User I/O pin (bank 4) |
| Pin 168 | I/O — User I/O pin (bank 4) |
| Pin 169 | I/O — User I/O pin (bank 4) |
| Pin 170 | I/O — User I/O pin (bank 4) |
| Pin 171 | I/O — User I/O pin (bank 4) |
| Pin 172 | I/O — User I/O pin (bank 4) |
| Pin 173 | I/O — User I/O pin (bank 4) |
| Pin 174 | I/O — User I/O pin (bank 4) |
| Pin 175 | I/O — User I/O pin (bank 4) |
| Pin 176 | I/O — User I/O pin (bank 4) |
| Pin 177 | I/O — User I/O pin (bank 4) |
| Pin 178 | I/O — User I/O pin (bank 4) |
| Pin 179 | I/O — User I/O pin (bank 4) |
| Pin 180 | I/O — User I/O pin (bank 4) |
| Pin 181 | I/O — User I/O pin (bank 4) |
| Pin 182 | VCCINT — Core supply voltage (3.3 V) |
| Pin 183 | I/O — User I/O pin (bank 4) |
| Pin 184 | I/O — User I/O pin (bank 4) |
| Pin 185 | I/O — User I/O pin (bank 4) |
| Pin 186 | I/O — User I/O pin (bank 4) |
| Pin 187 | I/O — User I/O pin (bank 4) |
| Pin 188 | I/O — User I/O pin (bank 4) |
| Pin 189 | I/O — User I/O pin (bank 4) |
| Pin 190 | I/O — User I/O pin (bank 4) |
| Pin 191 | I/O — User I/O pin (bank 4) |
| Pin 192 | I/O — User I/O pin (bank 4) |
| Pin 193 | I/O — User I/O pin (bank 4) |
| Pin 194 | I/O — User I/O pin (bank 4) |
| Pin 195 | I/O — User I/O pin (bank 4) |
| Pin 196 | I/O — User I/O pin (bank 4) |
| Pin 197 | I/O — User I/O pin (bank 4) |
| Pin 198 | I/O — User I/O pin (bank 4) |
| Pin 199 | I/O — User I/O pin (bank 4) |
| Pin 200 | I/O — User I/O pin (bank 4) |
| Pin 201 | I/O — User I/O pin (bank 4) |
| Pin 202 | I/O — User I/O pin (bank 4) |
| Pin 203 | I/O — User I/O pin (bank 4) |
| Pin 204 | I/O — User I/O pin (bank 4) |
| Pin 205 | TDO — JTAG Test Data Out |
| Pin 206 | GND — Ground |
| Pin 207 | I/O — User I/O pin (bank 1) |
| Pin 208 | I/O — User I/O pin (bank 1) |
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 — 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%) |
| 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.