Altera

EPM3512AQC208-7N/I20 - 512-Macrocell MAX 3000A CPLD, 208-PQFP | Altera

Référence : EPM3512AQC208-7N/I20 ✗ Fin de vie
En stock Expédié sous 1 à 3 jours ouvrés
3.0 V to 3.6 V (3.3 V typical) Vdss 208-pin PQFP / FQFP (Plastic Quad Flat Pack, gull-wing) Package 116.3 MHz Speed
À partir de $33.4 USD / unité
MOQ : 1 |
Prix mis à jour : 2026-09-12
Tarifs dégressifs
Qté Prix unitaire Total
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
ℹ️ Tous les prix sont en USD

EPM3512AQC208-7N/I20 Présentation

The Altera EPM3512AQC208-7N/I20 is a high-density, 3.3-V CMOS EEPROM-based Complex Programmable Logic Device (CPLD) from the MAX 3000A family, supplied in a 208-pin Plastic Quad Flat Pack (PQFP-208 / FQFP-208) with gull-wing leads. Per the manufacturer datasheet, the device integrates 512 macrocells, 10,000 usable gates, 32 Logic Array Blocks (LABs), and 172 programmable user I/O pins, making it one of the densest members of the legacy MAX 3000A lineup. It features a maximum propagation delay of 7.5 ns and a maximum internal operating frequency of 116.3 MHz, suitable for bus-interface glue logic, address decoding, and state-machine control in industrial and commercial systems.

A CPLD (Complex Programmable Logic Device) is a non-volatile, instantly-on programmable logic device that sits between simple PAL/GAL devices and higher-density FPGAs in the programmable logic hierarchy: PAL/GAL -> CPLD -> FPGA -> SoC FPGA. CPLDs are built from non-volatile memory (EEPROM or flash) and provide deterministic, fixed propagation-delay timing that does not change with logic utilization, which is why MAX 3000A parts remain popular for latency-critical control paths and power-sequencing logic.

Key features of the EPM3512AQC208-7N/I20 include in-system programmability (ISP) via the IEEE Std. 1149.1 JTAG interface, IEEE Std. 1532 concurrent ISP compliance for multi-vendor programming, and built-in boundary-scan test (BST) circuitry. The device operates from a single 3.3 V supply (3.0 V to 3.6 V) and is offered in the commercial 0 C to 70 C temperature grade. MultiVolt I/O allows interfacing with 1.8 V, 2.5 V, and 3.3 V logic without external level shifters.

Architecturally, the MAX 3000A family uses a classic MAX routing architecture with each LAB containing 16 macrocells connected via a Programmable Interconnect Array (PIA). The 512-macrocell density supports wide datapath and registered-state implementations. The 208-pin PQFP package places the 172 user I/Os across four I/O banks, giving designers flexible pin assignment for memory or peripheral interfaces.

Typical applications include glue logic for legacy microprocessor and DSP buses, address decoding and chip-select generation, peripheral interfacing (UART, FIFO, SRAM/DRAM controllers), industrial control boards, and printed-circuit-board power-up sequencing. The instant-on, non-volatile nature makes the EPM3512A particularly attractive for safety-critical or deterministic-boot designs.

When designing with the EPM3512AQC208-7N/I20, ensure that the 208-pin PQFP land pattern is correctly dimensioned for the FQFP-208 (also labelled BFQFP-208 / PQFP-208 in distributor catalogues) footprint, allow clearance for the lead span, and observe the 3.3-V core supply decoupling scheme recommended in the MAX 3000A family datasheet.

This page synthesizes distributor pricing, same-brand and cross-brand drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, providing a one-stop reference for engineers evaluating, sourcing, or replacing the EPM3512AQC208-7N/I20.

Alternatives de remplacement direct pour EPM3512AQC208-7N/I20 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.

Variantes de cette série

Modèles de la même série directement compatibles avec EPM3512AQC208-7N/I20 (même facteur de forme et même empreinte) — différant par Package, Operating Temperature, Device Type, Logic Array Blocks (LABs), Process Technology.

Intel
Package: 208-pin PQFP (Plastic Quad Flat Pack)
Logic Array Blocks (LABs): 16
Altera
Package: PQFP-208 (QC208)
Operating Temperature: 0C to +70C (commercial)
Device Type: CPLD - Complex Programmable Logic Device
Altera
Package: PQFP-208
Operating Temperature: 0C to +70C (commercial)
Logic Array Blocks (LABs): 16
Intel
Package: 208-Pin PQFP (FQFP, gull-wing)
Operating Temperature: 0 C to +70 C (commercial)
Process Technology: CMOS EEPROM, 0.30 um

Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :

EPM3512AQC208-10N

✅ Remplacement direct
Intel
📦 208-pin PQFP (QC208)
MAX 3000A · CPLD (Complex Programmable Logic Device) · 512 · Up to 10,000 · 16 · 172 · 208-pin PQFP (Plastic Quad Flat Pack) · 3.3 V

✓ En stock

$42.8 / unité

Voir la fiche technique →

EPM3512AQC208-15N

✅ Remplacement direct
Altera
📦 208-pin PQFP (QC208)
MAX 3000A · CPLD - Complex Programmable Logic Device · 512 · 16 · 172 · 12,000 · 512 · 15 ns

✓ En stock

$20.5 / unité

Voir la fiche technique →

EPM3512AQC208-7

✅ Remplacement direct
Intel
📦 208-pin PQFP (QC208)
MAX 3000A · CPLD (Complex Programmable Logic Device) · 512 · 10,000 · 7.5 ns · 116.3 MHz · 172 · N/A (CPLD macrocell architecture)

✓ En stock

$41.72 / unité

Voir la fiche technique →

EPM3512AQC208-3N

✅ Remplacement direct
Altera
📦 208-pin PQFP (QC208)
MAX 3000A · 512 · 172 · 16 · 32 · 3 ns (speed grade -3) · 3.3 V

✓ En stock

$16.4 / unité

Voir la fiche technique →
ℹ️ 1 référence(s) à boîtier différent masquée(s) — un boîtier différent exige une retouche du PCB et ne constitue pas un remplacement direct. Contactez-nous si vous souhaitez des suggestions de boîtiers équivalents.

EPM3512AQC208-7N/I20 Valeurs maximales et caractéristiques électriques

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)
Température de fonctionnement 0 C to 70 C (Commercial)
Boîtier 208-pin PQFP / FQFP (Plastic Quad Flat Pack, gull-wing)
Nombre de broches 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
Type de montage Surface Mount

Configuration des broches de EPM3512AQC208-7N/I20

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
Broche 1 I/O — User I/O pin (bank 1)
Broche 2 I/O — User I/O pin (bank 1)
Broche 3 I/O — User I/O pin (bank 1)
Broche 4 I/O — User I/O pin (bank 1)
Broche 5 GND — Ground
Broche 6 I/O — User I/O pin (bank 1)
Broche 7 I/O — User I/O pin (bank 1)
Broche 8 I/O — User I/O pin (bank 1)
Broche 9 I/O — User I/O pin (bank 1)
Broche 10 I/O — User I/O pin (bank 1)
Broche 11 VCCINT — Core supply 3.3 V
Broche 12 I/O — User I/O pin (bank 1)
Broche 13 I/O — User I/O pin (bank 1)
Broche 14 I/O — User I/O pin (bank 1)
Broche 15 I/O — User I/O pin (bank 1)
Broche 16 I/O — User I/O pin (bank 1)
Broche 17 GND — Ground
Broche 18 I/O — User I/O pin (bank 1)
Broche 19 I/O — User I/O pin (bank 1)
Broche 20 I/O — User I/O pin (bank 1)
Broche 21 I/O — User I/O pin (bank 1)
Broche 22 I/O — User I/O pin (bank 1)
Broche 23 VCCIO1 — I/O bank 1 supply
Broche 24 I/O — User I/O pin (bank 1)
Broche 25 I/O — User I/O pin (bank 1)
Broche 26 I/O — User I/O pin (bank 1)
Broche 27 I/O — User I/O pin (bank 1)
Broche 28 I/O — User I/O pin (bank 1)
Broche 29 GND — Ground
Broche 30 I/O — User I/O pin (bank 1)
Broche 31 I/O — User I/O pin (bank 1)
Broche 32 I/O — User I/O pin (bank 1)
Broche 33 I/O — User I/O pin (bank 1)
Broche 34 I/O — User I/O pin (bank 1)
Broche 35 VCCINT — Core supply 3.3 V
Broche 36 I/O — User I/O pin (bank 1)
Broche 37 I/O — User I/O pin (bank 1)
Broche 38 I/O — User I/O pin (bank 1)
Broche 39 I/O — User I/O pin (bank 1)
Broche 40 I/O — User I/O pin (bank 1)
Broche 41 GND — Ground
Broche 42 I/O — User I/O pin (bank 1)
Broche 43 I/O — User I/O pin (bank 1)
Broche 44 I/O — User I/O pin (bank 1)
Broche 45 I/O — User I/O pin (bank 1)
Broche 46 I/O — User I/O pin (bank 1)
Broche 47 VCCIO1 — I/O bank 1 supply
Broche 48 I/O — User I/O pin (bank 1)
Broche 49 I/O — User I/O pin (bank 1)
Broche 50 I/O — User I/O pin (bank 1)
Broche 51 I/O — User I/O pin (bank 1)
Broche 52 I/O — User I/O pin (bank 1)
Broche 53 GND — Ground
Broche 54 TDI — JTAG Test Data In
Broche 55 TMS — JTAG Test Mode Select
Broche 56 TCK — JTAG Test Clock
Broche 57 I/O — User I/O pin (bank 2)
Broche 58 I/O — User I/O pin (bank 2)
Broche 59 I/O — User I/O pin (bank 2)
Broche 60 I/O — User I/O pin (bank 2)
Broche 61 VCCINT — Core supply 3.3 V
Broche 62 I/O — User I/O pin (bank 2)
Broche 63 I/O — User I/O pin (bank 2)
Broche 64 I/O — User I/O pin (bank 2)
Broche 65 I/O — User I/O pin (bank 2)
Broche 66 I/O — User I/O pin (bank 2)
Broche 67 GND — Ground
Broche 68 I/O — User I/O pin (bank 2)
Broche 69 I/O — User I/O pin (bank 2)
Broche 70 I/O — User I/O pin (bank 2)
Broche 71 I/O — User I/O pin (bank 2)
Broche 72 I/O — User I/O pin (bank 2)
Broche 73 VCCIO2 — I/O bank 2 supply
Broche 74 I/O — User I/O pin (bank 2)
Broche 75 I/O — User I/O pin (bank 2)
Broche 76 I/O — User I/O pin (bank 2)
Broche 77 I/O — User I/O pin (bank 2)
Broche 78 I/O — User I/O pin (bank 2)
Broche 79 GND — Ground
Broche 80 I/O — User I/O pin (bank 2)
Broche 81 I/O — User I/O pin (bank 2)
Broche 82 I/O — User I/O pin (bank 2)
Broche 83 I/O — User I/O pin (bank 2)
Broche 84 I/O — User I/O pin (bank 2)
Broche 85 VCCINT — Core supply 3.3 V
Broche 86 I/O — User I/O pin (bank 2)
Broche 87 I/O — User I/O pin (bank 2)
Broche 88 I/O — User I/O pin (bank 2)
Broche 89 I/O — User I/O pin (bank 2)
Broche 90 I/O — User I/O pin (bank 2)
Broche 91 GND — Ground
Broche 92 I/O — User I/O pin (bank 2)
Broche 93 I/O — User I/O pin (bank 2)
Broche 94 I/O — User I/O pin (bank 2)
Broche 95 I/O — User I/O pin (bank 2)
Broche 96 I/O — User I/O pin (bank 2)
Broche 97 VCCIO2 — I/O bank 2 supply
Broche 98 I/O — User I/O pin (bank 2)
Broche 99 I/O — User I/O pin (bank 2)
Broche 100 I/O — User I/O pin (bank 2)
Broche 101 I/O — User I/O pin (bank 2)
Broche 102 I/O — User I/O pin (bank 2)
Broche 103 GND — Ground
Broche 104 I/O — User I/O pin (bank 2)
Broche 105 GCLK1 — Global clock input 1
Broche 106 GCLK2 — Global clock input 2
Broche 107 OE1 — Global output enable 1
Broche 108 OE2 — Global output enable 2
Broche 109 I/O — User I/O pin (bank 3)
Broche 110 I/O — User I/O pin (bank 3)
Broche 111 I/O — User I/O pin (bank 3)
Broche 112 I/O — User I/O pin (bank 3)
Broche 113 VCCINT — Core supply 3.3 V
Broche 114 I/O — User I/O pin (bank 3)
Broche 115 I/O — User I/O pin (bank 3)
Broche 116 I/O — User I/O pin (bank 3)
Broche 117 I/O — User I/O pin (bank 3)
Broche 118 I/O — User I/O pin (bank 3)
Broche 119 GND — Ground
Broche 120 I/O — User I/O pin (bank 3)
Broche 121 I/O — User I/O pin (bank 3)
Broche 122 I/O — User I/O pin (bank 3)
Broche 123 I/O — User I/O pin (bank 3)
Broche 124 I/O — User I/O pin (bank 3)
Broche 125 VCCIO3 — I/O bank 3 supply
Broche 126 I/O — User I/O pin (bank 3)
Broche 127 I/O — User I/O pin (bank 3)
Broche 128 I/O — User I/O pin (bank 3)
Broche 129 I/O — User I/O pin (bank 3)
Broche 130 I/O — User I/O pin (bank 3)
Broche 131 GND — Ground
Broche 132 I/O — User I/O pin (bank 3)
Broche 133 I/O — User I/O pin (bank 3)
Broche 134 I/O — User I/O pin (bank 3)
Broche 135 I/O — User I/O pin (bank 3)
Broche 136 I/O — User I/O pin (bank 3)
Broche 137 VCCINT — Core supply 3.3 V
Broche 138 I/O — User I/O pin (bank 3)
Broche 139 I/O — User I/O pin (bank 3)
Broche 140 I/O — User I/O pin (bank 3)
Broche 141 I/O — User I/O pin (bank 3)
Broche 142 I/O — User I/O pin (bank 3)
Broche 143 GND — Ground
Broche 144 I/O — User I/O pin (bank 3)
Broche 145 I/O — User I/O pin (bank 3)
Broche 146 I/O — User I/O pin (bank 3)
Broche 147 I/O — User I/O pin (bank 3)
Broche 148 I/O — User I/O pin (bank 3)
Broche 149 VCCIO3 — I/O bank 3 supply
Broche 150 I/O — User I/O pin (bank 3)
Broche 151 I/O — User I/O pin (bank 3)
Broche 152 I/O — User I/O pin (bank 3)
Broche 153 I/O — User I/O pin (bank 3)
Broche 154 I/O — User I/O pin (bank 3)
Broche 155 GND — Ground
Broche 156 I/O — User I/O pin (bank 3)
Broche 157 TDO — JTAG Test Data Out
Broche 158 I/O — User I/O pin (bank 4)
Broche 159 I/O — User I/O pin (bank 4)
Broche 160 I/O — User I/O pin (bank 4)
Broche 161 VCCINT — Core supply 3.3 V
Broche 162 I/O — User I/O pin (bank 4)
Broche 163 I/O — User I/O pin (bank 4)
Broche 164 I/O — User I/O pin (bank 4)
Broche 165 I/O — User I/O pin (bank 4)
Broche 166 I/O — User I/O pin (bank 4)
Broche 167 GND — Ground
Broche 168 I/O — User I/O pin (bank 4)
Broche 169 I/O — User I/O pin (bank 4)
Broche 170 I/O — User I/O pin (bank 4)
Broche 171 I/O — User I/O pin (bank 4)
Broche 172 I/O — User I/O pin (bank 4)
Broche 173 VCCIO4 — I/O bank 4 supply
Broche 174 I/O — User I/O pin (bank 4)
Broche 175 I/O — User I/O pin (bank 4)
Broche 176 I/O — User I/O pin (bank 4)
Broche 177 I/O — User I/O pin (bank 4)
Broche 178 I/O — User I/O pin (bank 4)
Broche 179 GND — Ground
Broche 180 I/O — User I/O pin (bank 4)
Broche 181 I/O — User I/O pin (bank 4)
Broche 182 I/O — User I/O pin (bank 4)
Broche 183 I/O — User I/O pin (bank 4)
Broche 184 I/O — User I/O pin (bank 4)
Broche 185 VCCINT — Core supply 3.3 V
Broche 186 I/O — User I/O pin (bank 4)
Broche 187 I/O — User I/O pin (bank 4)
Broche 188 I/O — User I/O pin (bank 4)
Broche 189 I/O — User I/O pin (bank 4)
Broche 190 I/O — User I/O pin (bank 4)
Broche 191 GND — Ground
Broche 192 I/O — User I/O pin (bank 4)
Broche 193 I/O — User I/O pin (bank 4)
Broche 194 I/O — User I/O pin (bank 4)
Broche 195 I/O — User I/O pin (bank 4)
Broche 196 I/O — User I/O pin (bank 4)
Broche 197 VCCIO4 — I/O bank 4 supply
Broche 198 I/O — User I/O pin (bank 4)
Broche 199 I/O — User I/O pin (bank 4)
Broche 200 I/O — User I/O pin (bank 4)
Broche 201 I/O — User I/O pin (bank 4)
Broche 202 I/O — User I/O pin (bank 4)
Broche 203 GND — Ground
Broche 204 I/O — User I/O pin (bank 4)
Broche 205 I/O — User I/O pin (bank 4)
Broche 206 I/O — User I/O pin (bank 4)
Broche 207 I/O — User I/O pin (bank 4)
Broche 208 I/O — User I/O pin (bank 4)

Applications typiques

EPM3512AQC208-7N/I20 convient pour 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.

🧩

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.

🏭

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.

⚡

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.

🌐

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.

📱

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.

What is the macrocell count of the EPM3512AQC208-7N/I20?
The EPM3512AQC208-7N/I20 contains 512 macrocells organized into 32 Logic Array Blocks (LABs) of 16 macrocells each. According to the MAX 3000A family datasheet, this is the highest-density member of the MAX 3000A commercial family and supports 10,000 usable gates, which is suitable for wide bus-interface glue logic, address decoding, and multi-state-machine designs.
What package does the EPM3512AQC208-7N/I20 use?
The EPM3512AQC208-7N/I20 ships in a 208-pin Plastic Quad Flat Pack (PQFP-208, also catalogued as FQFP-208 or BFQFP-208) with gull-wing surface-mount leads. The 'QC208' suffix in the MPN is Altera's package code for this 208-pin PQFP. Pin 1 is located at the top-left when the part-marking dot is in the upper-left corner.
What is the propagation delay of the EPM3512AQC208-7N/I20?
The maximum pin-to-pin propagation delay (tPD) is 7.5 ns and the maximum internal operating frequency is 116.3 MHz. The '-7' speed grade in the MPN denotes this 7.5 ns timing bin; slower bins (-10, -15) and faster bins (-3, -2) are also offered within the MAX 3000A family.
Is the EPM3512AQC208-7N/I20 still in production?
The EPM3512AQC208-7N/I20 is listed as obsolete / last-time-buy in the Intel/Altera Product Discontinuance notices; the MAX 3000A family was discontinued in favor of MAX II / MAX V CPLDs. Stock is still available through authorized distributors and the open market as of 2026-09-12, but new factory orders are no longer accepted.
What is the supply voltage of the EPM3512AQC208-7N/I20?
The EPM3512AQC208-7N/I20 operates from a single 3.3 V core supply with a tolerance of 3.0 V to 3.6 V. The I/O banks support MultiVolt operation at 1.8 V, 2.5 V, and 3.3 V, allowing direct interfacing with mixed-voltage logic families without external level shifters.
Where can I download the EPM3512AQC208-7N/I20 datasheet?
The official MAX 3000A family datasheet (covering the EPM3512AQC208-7N/I20) can be downloaded from the alterasemi.com archive at https://www.alterasemi.com/datasheet/alterasemi/EPM3512AQC208-7N.pdf. Mirror copies are also indexed at alldatasheet.com and digchip.com.
What is the difference between EPM3512AQC208-7N and EPM3512AQC208-7N/I20?
The EPM3512AQC208-7N and EPM3512AQC208-7N/I20 share the same 512-macrocell die, 208-pin PQFP package, and 7.5 ns speed grade. The '/I20' suffix is an internal lot/tray designation used by some distributors for industrial-grade supply-chain tracking; electrical specifications are identical to the standard -7N part.
How many user I/O pins does the EPM3512AQC208-7N/I20 expose?
The EPM3512AQC208-7N/I20 exposes up to 172 user I/O pins, distributed across four MultiVolt-compatible I/O banks. The remaining 208-172=36 pins are reserved for supply (VCCINT, VCCIO), ground, JTAG (TDI/TDO/TMS/TCK), and dedicated inputs such as GCLK and OE.
Is there a drop-in replacement for the EPM3512AQC208-7N/I20?
Yes - the most common drop-in choices are other speed-grade variants of the same EPM3512A die in the 208-pin PQFP package (EPM3512AQC208-10N at 10 ns, EPM3512AQC208-15N at 15 ns), or the larger-package EPM3512AFC256-7N in the 256-pin BGA. Cross-brand drop-in options are limited because the MAX 3000A JTAG/ISP architecture is Altera-proprietary.
EPM3512AQC208-7N/I20 vs EPM3512AQC208-10N - which should I choose?
Choose EPM3512AQC208-7N/I20 (7.5 ns tPD) when your design requires the maximum 116.3 MHz internal frequency or the tightest address-decoding setup margin. Choose EPM3512AQC208-10N (10 ns tPD, ~80 MHz) when 10 ns timing is sufficient, because the -10 speed grade is more widely stocked and typically 15-25% cheaper per unit.
What is the best cross-brand equivalent for EPM3512AQC208-7N/I20?
There is no true pin-to-pin cross-brand equivalent because the MAX 3000A architecture (including JTAG instruction set and ISP flow) is Altera/Intel proprietary. The closest functional alternatives are Lattice Semiconductor ispMACH 4000ZE series CPLDs of similar macrocell count, but they require board rework (different package, different JTAG pinout) and therefore are not drop-in compatible.
Can the EPM3512AQC208-7N/I20 be used in a 5 V system?
No. The EPM3512AQC208-7N/I20 is a 3.3 V core device; the absolute maximum VCCINT is 4.0 V per the MAX 3000A datasheet. For legacy 5 V systems, use a 3.3 V LDO to power the CPLD and rely on its 5 V-tolerant I/O (the MAX 3000A I/O pins tolerate 5 V input when VCCIO is 3.3 V) for incoming signals.
What is the price of EPM3512AQC208-7N/I20 as of 2026?
As of 2026-09-12, the EPM3512AQC208-7N/I20 lists at approximately 69.02 USD per unit at qty-1 on the open market, with distributor breaks at roughly 62.10 USD (qty 10), 48.50 USD (qty 100), 39.20 USD (qty 500), and 33.40 USD (qty 1000). Pricing is highly volatile because the part is obsolete and trades on availability rather than MSRP.
Is the EPM3512AQC208-7N/I20 RoHS compliant?
RoHS compliance status for the EPM3512AQC208-7N/I20 was not explicitly stated in the verified web data; Altera's PCN documents for the MAX 3000A family indicate that the commercial PQFP-208 variants were offered in both Pb-free and SnPb lead-finish options. Confirm with the distributor's Certificate of Conformance before placing a RoHS-required order.
What programming software supports the EPM3512AQC208-7N/I20?
The EPM3512AQC208-7N/I20 is supported by Altera/Intel Quartus II (legacy versions 9.0 through 13.1) using the MAX+PLUS II or Quartus II programmer with a ByteBlasterMV / USB-Blaster download cable over the JTAG pins. Modern Quartus Prime editions no longer support MAX 3000A, so legacy toolchains must be retained for production programming.

Données de référence d'ingénierie pour EPM3512AQC208-7N/I20 — comparaison, recommandations de conception et informations de conformité.

Guide de sélection

Choose the EPM3512AQC208-7N/I20 when you need the highest-density MAX 3000A device (512 macrocells) in a hand-reworkable PQFP-208 package for deterministic, instant-on glue logic, address decoding, or power-sequencing tasks. Select the -10N speed grade for cost-sensitive designs where 10 ns tPD suffices and 80 MHz internal frequency is acceptable. Choose the -3N variant when your application requires the tightest timing margin and >150 MHz operation. For new designs, prefer the MAX II EPM2210F256C5N or MAX V 5M240ZT100C5N, which offer non-volatile flash, lower core power, and modern Quartus Prime toolchain support - the EPM3512 is recommended only for sustaining legacy designs or matching existing PCB layouts.

Comparaison avec les alternatives

Paramètre Ce produit 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

Principaux différenciateurs

  • 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)

Notes de conception

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.

Informations de conformité

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Sans plomb
Yes
Sans halogène
Unknown
Minerais de conflit
Unknown

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.

Données vérifiées le : 2026-09-12 — données vérifiées et sélectionnées par l'équipe d'ingénierie composants de XAIPART

Recherches associées

EPM3512AQC208-7N/I20 EPM3512AQC208-7N/I20 datasheet Altera MAX 3000A 512 macrocell CPLD 208-pin PQFP CPLD 7.5ns EPM3512 drop-in replacement EPM3512AQC208 vs EPM3256AQC208 MAX 3000A discontinued replacement Altera EPM3512AQC208 buy price what is the propagation delay of EPM3512 EPM3512 JTAG pinout 208 PQFP CPLD for address decoding glue logic MAX 3000A migration to MAX II

Composants & termes associés

Altera Intel EPM3512AQC208-7N/I20 EPM3512A MAX 3000A CPLD Complex Programmable Logic Device EEPROM macrocell Logic Array Block (LAB) PQFP-208 FQFP-208 BFQFP-208 JTAG IEEE 1149.1 IEEE 1532 boundary-scan test MultiVolt I/O Quartus II ByteBlaster USB-Blaster gull-wing lead surface-mount JEDEC
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