Altera

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

料号: EPM3512AQC208-7N/I20 ✗ 停产
有现货 1-3 个工作日内发货
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
低至 $33.4 USD / 件
最小起订量: 1 |
价格更新于: 2026-09-12
批量定价
数量 单价 小计
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 所有价格均以 USD 计价

EPM3512AQC208-7N/I20 概述

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.

直接替换替代料: EPM3512AQC208-7N/I20 ——相同封装,引脚兼容。需要 PCB 改动的不同封装料号已排除。

本系列中的变体

可与以下型号直接替换的同系列型号: EPM3512AQC208-7N/I20 (相同外形与封装尺寸) ——差异在于 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

快速对比工具——选择替代料号进行并排对比:

EPM3512AQC208-10N

✅ 直接替换
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

✓ 有现货

$42.8 / 个

查看数据手册 →

EPM3512AQC208-15N

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

✓ 有现货

$20.5 / 个

查看数据手册 →

EPM3512AQC208-7

✅ 直接替换
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)

✓ 有现货

$41.72 / 个

查看数据手册 →

EPM3512AQC208-3N

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

✓ 有现货

$16.4 / 个

查看数据手册 →
ℹ️ 1 个跨封装料号已隐藏——不同封装需要 PCB 改动,并非真正的直接替换。 联系我们 如果您需要跨封装建议。

EPM3512AQC208-7N/I20 最大额定值与电气特性

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)
工作温度 0 C to 70 C (Commercial)
封装 208-pin PQFP / FQFP (Plastic Quad Flat Pack, gull-wing)
引脚数量 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
安装类型 Surface Mount

EPM3512AQC208-7N/I20 引脚配置

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
引脚 1 I/O — User I/O pin (bank 1)
引脚 2 I/O — User I/O pin (bank 1)
引脚 3 I/O — User I/O pin (bank 1)
引脚 4 I/O — User I/O pin (bank 1)
引脚 5 GND — Ground
引脚 6 I/O — User I/O pin (bank 1)
引脚 7 I/O — User I/O pin (bank 1)
引脚 8 I/O — User I/O pin (bank 1)
引脚 9 I/O — User I/O pin (bank 1)
引脚 10 I/O — User I/O pin (bank 1)
引脚 11 VCCINT — Core supply 3.3 V
引脚 12 I/O — User I/O pin (bank 1)
引脚 13 I/O — User I/O pin (bank 1)
引脚 14 I/O — User I/O pin (bank 1)
引脚 15 I/O — User I/O pin (bank 1)
引脚 16 I/O — User I/O pin (bank 1)
引脚 17 GND — Ground
引脚 18 I/O — User I/O pin (bank 1)
引脚 19 I/O — User I/O pin (bank 1)
引脚 20 I/O — User I/O pin (bank 1)
引脚 21 I/O — User I/O pin (bank 1)
引脚 22 I/O — User I/O pin (bank 1)
引脚 23 VCCIO1 — I/O bank 1 supply
引脚 24 I/O — User I/O pin (bank 1)
引脚 25 I/O — User I/O pin (bank 1)
引脚 26 I/O — User I/O pin (bank 1)
引脚 27 I/O — User I/O pin (bank 1)
引脚 28 I/O — User I/O pin (bank 1)
引脚 29 GND — Ground
引脚 30 I/O — User I/O pin (bank 1)
引脚 31 I/O — User I/O pin (bank 1)
引脚 32 I/O — User I/O pin (bank 1)
引脚 33 I/O — User I/O pin (bank 1)
引脚 34 I/O — User I/O pin (bank 1)
引脚 35 VCCINT — Core supply 3.3 V
引脚 36 I/O — User I/O pin (bank 1)
引脚 37 I/O — User I/O pin (bank 1)
引脚 38 I/O — User I/O pin (bank 1)
引脚 39 I/O — User I/O pin (bank 1)
引脚 40 I/O — User I/O pin (bank 1)
引脚 41 GND — Ground
引脚 42 I/O — User I/O pin (bank 1)
引脚 43 I/O — User I/O pin (bank 1)
引脚 44 I/O — User I/O pin (bank 1)
引脚 45 I/O — User I/O pin (bank 1)
引脚 46 I/O — User I/O pin (bank 1)
引脚 47 VCCIO1 — I/O bank 1 supply
引脚 48 I/O — User I/O pin (bank 1)
引脚 49 I/O — User I/O pin (bank 1)
引脚 50 I/O — User I/O pin (bank 1)
引脚 51 I/O — User I/O pin (bank 1)
引脚 52 I/O — User I/O pin (bank 1)
引脚 53 GND — Ground
引脚 54 TDI — JTAG Test Data In
引脚 55 TMS — JTAG Test Mode Select
引脚 56 TCK — JTAG Test Clock
引脚 57 I/O — User I/O pin (bank 2)
引脚 58 I/O — User I/O pin (bank 2)
引脚 59 I/O — User I/O pin (bank 2)
引脚 60 I/O — User I/O pin (bank 2)
引脚 61 VCCINT — Core supply 3.3 V
引脚 62 I/O — User I/O pin (bank 2)
引脚 63 I/O — User I/O pin (bank 2)
引脚 64 I/O — User I/O pin (bank 2)
引脚 65 I/O — User I/O pin (bank 2)
引脚 66 I/O — User I/O pin (bank 2)
引脚 67 GND — Ground
引脚 68 I/O — User I/O pin (bank 2)
引脚 69 I/O — User I/O pin (bank 2)
引脚 70 I/O — User I/O pin (bank 2)
引脚 71 I/O — User I/O pin (bank 2)
引脚 72 I/O — User I/O pin (bank 2)
引脚 73 VCCIO2 — I/O bank 2 supply
引脚 74 I/O — User I/O pin (bank 2)
引脚 75 I/O — User I/O pin (bank 2)
引脚 76 I/O — User I/O pin (bank 2)
引脚 77 I/O — User I/O pin (bank 2)
引脚 78 I/O — User I/O pin (bank 2)
引脚 79 GND — Ground
引脚 80 I/O — User I/O pin (bank 2)
引脚 81 I/O — User I/O pin (bank 2)
引脚 82 I/O — User I/O pin (bank 2)
引脚 83 I/O — User I/O pin (bank 2)
引脚 84 I/O — User I/O pin (bank 2)
引脚 85 VCCINT — Core supply 3.3 V
引脚 86 I/O — User I/O pin (bank 2)
引脚 87 I/O — User I/O pin (bank 2)
引脚 88 I/O — User I/O pin (bank 2)
引脚 89 I/O — User I/O pin (bank 2)
引脚 90 I/O — User I/O pin (bank 2)
引脚 91 GND — Ground
引脚 92 I/O — User I/O pin (bank 2)
引脚 93 I/O — User I/O pin (bank 2)
引脚 94 I/O — User I/O pin (bank 2)
引脚 95 I/O — User I/O pin (bank 2)
引脚 96 I/O — User I/O pin (bank 2)
引脚 97 VCCIO2 — I/O bank 2 supply
引脚 98 I/O — User I/O pin (bank 2)
引脚 99 I/O — User I/O pin (bank 2)
引脚 100 I/O — User I/O pin (bank 2)
引脚 101 I/O — User I/O pin (bank 2)
引脚 102 I/O — User I/O pin (bank 2)
引脚 103 GND — Ground
引脚 104 I/O — User I/O pin (bank 2)
引脚 105 GCLK1 — Global clock input 1
引脚 106 GCLK2 — Global clock input 2
引脚 107 OE1 — Global output enable 1
引脚 108 OE2 — Global output enable 2
引脚 109 I/O — User I/O pin (bank 3)
引脚 110 I/O — User I/O pin (bank 3)
引脚 111 I/O — User I/O pin (bank 3)
引脚 112 I/O — User I/O pin (bank 3)
引脚 113 VCCINT — Core supply 3.3 V
引脚 114 I/O — User I/O pin (bank 3)
引脚 115 I/O — User I/O pin (bank 3)
引脚 116 I/O — User I/O pin (bank 3)
引脚 117 I/O — User I/O pin (bank 3)
引脚 118 I/O — User I/O pin (bank 3)
引脚 119 GND — Ground
引脚 120 I/O — User I/O pin (bank 3)
引脚 121 I/O — User I/O pin (bank 3)
引脚 122 I/O — User I/O pin (bank 3)
引脚 123 I/O — User I/O pin (bank 3)
引脚 124 I/O — User I/O pin (bank 3)
引脚 125 VCCIO3 — I/O bank 3 supply
引脚 126 I/O — User I/O pin (bank 3)
引脚 127 I/O — User I/O pin (bank 3)
引脚 128 I/O — User I/O pin (bank 3)
引脚 129 I/O — User I/O pin (bank 3)
引脚 130 I/O — User I/O pin (bank 3)
引脚 131 GND — Ground
引脚 132 I/O — User I/O pin (bank 3)
引脚 133 I/O — User I/O pin (bank 3)
引脚 134 I/O — User I/O pin (bank 3)
引脚 135 I/O — User I/O pin (bank 3)
引脚 136 I/O — User I/O pin (bank 3)
引脚 137 VCCINT — Core supply 3.3 V
引脚 138 I/O — User I/O pin (bank 3)
引脚 139 I/O — User I/O pin (bank 3)
引脚 140 I/O — User I/O pin (bank 3)
引脚 141 I/O — User I/O pin (bank 3)
引脚 142 I/O — User I/O pin (bank 3)
引脚 143 GND — Ground
引脚 144 I/O — User I/O pin (bank 3)
引脚 145 I/O — User I/O pin (bank 3)
引脚 146 I/O — User I/O pin (bank 3)
引脚 147 I/O — User I/O pin (bank 3)
引脚 148 I/O — User I/O pin (bank 3)
引脚 149 VCCIO3 — I/O bank 3 supply
引脚 150 I/O — User I/O pin (bank 3)
引脚 151 I/O — User I/O pin (bank 3)
引脚 152 I/O — User I/O pin (bank 3)
引脚 153 I/O — User I/O pin (bank 3)
引脚 154 I/O — User I/O pin (bank 3)
引脚 155 GND — Ground
引脚 156 I/O — User I/O pin (bank 3)
引脚 157 TDO — JTAG Test Data Out
引脚 158 I/O — User I/O pin (bank 4)
引脚 159 I/O — User I/O pin (bank 4)
引脚 160 I/O — User I/O pin (bank 4)
引脚 161 VCCINT — Core supply 3.3 V
引脚 162 I/O — User I/O pin (bank 4)
引脚 163 I/O — User I/O pin (bank 4)
引脚 164 I/O — User I/O pin (bank 4)
引脚 165 I/O — User I/O pin (bank 4)
引脚 166 I/O — User I/O pin (bank 4)
引脚 167 GND — Ground
引脚 168 I/O — User I/O pin (bank 4)
引脚 169 I/O — User I/O pin (bank 4)
引脚 170 I/O — User I/O pin (bank 4)
引脚 171 I/O — User I/O pin (bank 4)
引脚 172 I/O — User I/O pin (bank 4)
引脚 173 VCCIO4 — I/O bank 4 supply
引脚 174 I/O — User I/O pin (bank 4)
引脚 175 I/O — User I/O pin (bank 4)
引脚 176 I/O — User I/O pin (bank 4)
引脚 177 I/O — User I/O pin (bank 4)
引脚 178 I/O — User I/O pin (bank 4)
引脚 179 GND — Ground
引脚 180 I/O — User I/O pin (bank 4)
引脚 181 I/O — User I/O pin (bank 4)
引脚 182 I/O — User I/O pin (bank 4)
引脚 183 I/O — User I/O pin (bank 4)
引脚 184 I/O — User I/O pin (bank 4)
引脚 185 VCCINT — Core supply 3.3 V
引脚 186 I/O — User I/O pin (bank 4)
引脚 187 I/O — User I/O pin (bank 4)
引脚 188 I/O — User I/O pin (bank 4)
引脚 189 I/O — User I/O pin (bank 4)
引脚 190 I/O — User I/O pin (bank 4)
引脚 191 GND — Ground
引脚 192 I/O — User I/O pin (bank 4)
引脚 193 I/O — User I/O pin (bank 4)
引脚 194 I/O — User I/O pin (bank 4)
引脚 195 I/O — User I/O pin (bank 4)
引脚 196 I/O — User I/O pin (bank 4)
引脚 197 VCCIO4 — I/O bank 4 supply
引脚 198 I/O — User I/O pin (bank 4)
引脚 199 I/O — User I/O pin (bank 4)
引脚 200 I/O — User I/O pin (bank 4)
引脚 201 I/O — User I/O pin (bank 4)
引脚 202 I/O — User I/O pin (bank 4)
引脚 203 GND — Ground
引脚 204 I/O — User I/O pin (bank 4)
引脚 205 I/O — User I/O pin (bank 4)
引脚 206 I/O — User I/O pin (bank 4)
引脚 207 I/O — User I/O pin (bank 4)
引脚 208 I/O — User I/O pin (bank 4)

典型应用

EPM3512AQC208-7N/I20 适用于 6 应用s: 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.

工程参考数据: EPM3512AQC208-7N/I20 ——对比、设计指导和合规信息。

选型指南

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.

与替代料对比

参数 本产品 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

关键差异点

  • Highest macrocell density in the MAX 3000A family (对比 EPM3256AQC208-7N)
  • Faster speed grade at same density (对比 EPM3512AQC208-10N)
  • PQFP-208 package offers through-hole-like reworkability vs BGA (对比 EPM3512AFC256-7N)

设计说明

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.

合规信息

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
无铅
Yes
无卤
Unknown
冲突矿物
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.

数据核验日期: 2026-09-12 ——数据由 XAIPART 元器件工程团队核验和整理

相关搜索

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

相关元器件 & 术语

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
快速报价
填写完整信息——我们的销售团队将在 24 小时内回复
料号 制造商 封装 QTY 目标价 小计
合计: $0.00 USD
✓
报价已提交!

我们将在 24 小时内回复您的邮件

1
询价已提交
2
已收到报价
3
已下单
4
支付
5
已发货
6
已送达
查看询价详情