EPM9400RC240-20 - 400 MC, 20 ns MAX 9000 CPLD, 240-RQFP | Altera
料号： EPM9400RC240-20 ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $36.5 | $36.50 |
| 10 | $33.2 | $332.00 |
| 100 | $29.75 | $2,975.00 |
| 500 | $26.4 | $13,200.00 |
| 1,000 | $23.85 | $23,850.00 |
EPM9400RC240-20 概述
A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that combines the deterministic timing of PAL/PLA architecture with the integration scale of a small FPGA, making it ideal for address decoding, bus interface, state-machine, and control-logic functions. Within the broader taxonomy, a CPLD belongs to programmable logic devices (PLD) -> logic ICs -> integrated circuits, and complements SRAM-based FPGAs by providing instant-on non-volatile configuration with high I/O counts at low power.
Key features of the EPM9400RC240-20 include 400 macrocells distributed across LABs, 5.0-V in-system programmability (ISP) via a built-in IEEE Std. 1149.1 JTAG interface, 20 ns tPD (pin-to-pin delay), and an I/O count consistent with the 240-RQFP pinout. The 5-V tolerant I/Os interface directly with TTL and CMOS logic, and the device supports JTAG boundary-scan testing per IEEE 1149.1 for board-level testability. Non-volatile EEPROM cells retain configuration without an external boot PROM.
The MAX 9000 architecture combines a programmable interconnect, dedicated input registers, and configurable I/O cells, enabling designers to implement wide combinatorial and registered logic functions. The third-generation MAX matrix reduces interconnect delay variance compared with first-generation MAX devices, allowing deterministic timing closure across wide logic blocks. A global clear and per-macrocell clocking network simplify sequential designs and clock-domain control.
Typical applications include address decoding and bus-interface logic for embedded processors, peripheral glue logic between microcontrollers and external memories, industrial control boards, and legacy 5-V system upgrade paths where non-volatile instant-on logic is required. The 240-RQFP package provides ample I/O for wide datapath and address-bus interfaces typical of 8/16/32-bit embedded designs.
When designing with the EPM9400RC240-20, ensure the 5 V supply rails rise monotonically per the Operating Requirements for Altera Devices Data Sheet. Inputs may undershoot to -2.0 V or overshoot to 7.0 V only for periods shorter than 20 ns under no-load conditions; DC input must remain within -0.5 V on I/O pins and -0.3 V on the four dedicated input pins. A JTAG chain must observe TCK/TMS/TDO/TDI ordering if multiple 1149.1 devices are present.
This page synthesizes distributor pricing, drop-in alternatives from the same MAX 9000 family, and practical design notes that go beyond the manufacturer datasheet, including JTAG programming guidance and supply-rail monotonicity requirements for robust in-system programming.
直接替换替代料： EPM9400RC240-20 ——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： EPM9400RC240-20 （相同外形与封装尺寸） ——差异在于 Package, Macrocells, Architecture, Usable Gates, Pin-to-Pin Delay (tPD).
快速对比工具——选择替代料号进行并排对比：
EPM9400RC240-15
✅ 直接替换✓ 有现货
$22.4 / 个
查看数据手册 →EPM9400RC240-20 最大额定值与电气特性
| Device Family | MAX 9000 |
| Macrocells | 400 |
| Pin-to-Pin Delay (tPD) | 20 ns |
| Supply Voltage (VCCINT) | 4.75 V to 5.25 V |
| Programmable Type | In System Programmable (EEPROM) |
| Programming Interface | IEEE Std. 1149.1 JTAG |
| 封装 | 240-RQFP (32x32 mm) with exposed pad |
| Supplier Device Package | 240-RQFP |
| 安装类型 | Surface Mount |
| Technology | CMOS, EEPROM-based |
| Architecture | MAX (Multiple Array MatriX) - third generation |
| Series | MAX 9000 |
EPM9400RC240-20 引脚配置
| 引脚 1 | I/O — User I/O pin (MAX 9000 bank 1) |
| 引脚 2 | I/O — User I/O pin |
| 引脚 3 | I/O — User I/O pin |
| 引脚 4 | I/O — User I/O pin |
| 引脚 5 | GND — Ground |
| 引脚 6 | I/O — User I/O pin |
| 引脚 7 | I/O — User I/O pin |
| 引脚 8 | I/O — User I/O pin |
| 引脚 9 | I/O — User I/O pin |
| 引脚 10 | I/O — User I/O pin |
| 引脚 11 | VCC — 5 V supply |
| 引脚 12 | I/O — User I/O pin |
| 引脚 13 | I/O — User I/O pin |
| 引脚 14 | I/O — User I/O pin |
| 引脚 15 | I/O — User I/O pin |
| 引脚 16 | I/O — User I/O pin |
| 引脚 17 | GND — Ground |
| 引脚 18 | I/O — User I/O pin |
| 引脚 19 | I/O — User I/O pin |
| 引脚 20 | I/O — User I/O pin |
| 引脚 21 | I/O — User I/O pin |
| 引脚 22 | I/O — User I/O pin |
| 引脚 23 | VCC — 5 V supply |
| 引脚 24 | I/O — User I/O pin |
| 引脚 25 | I/O — User I/O pin |
| 引脚 26 | I/O — User I/O pin |
| 引脚 27 | I/O — User I/O pin |
| 引脚 28 | I/O — User I/O pin |
| 引脚 29 | GND — Ground |
| 引脚 30 | I/O — User I/O pin |
| 引脚 31 | I/O — User I/O pin |
| 引脚 32 | I/O — User I/O pin |
| 引脚 33 | I/O — User I/O pin |
| 引脚 34 | I/O — User I/O pin |
| 引脚 35 | VCC — 5 V supply |
| 引脚 36 | I/O — User I/O pin |
| 引脚 37 | I/O — User I/O pin |
| 引脚 38 | I/O — User I/O pin |
| 引脚 39 | I/O — User I/O pin |
| 引脚 40 | I/O — User I/O pin |
| 引脚 41 | GND — Ground |
| 引脚 42 | I/O — User I/O pin |
| 引脚 43 | I/O — User I/O pin |
| 引脚 44 | I/O — User I/O pin |
| 引脚 45 | I/O — User I/O pin |
| 引脚 46 | I/O — User I/O pin |
| 引脚 47 | VCC — 5 V supply |
| 引脚 48 | I/O — User I/O pin |
| 引脚 49 | I/O — User I/O pin |
| 引脚 50 | I/O — User I/O pin |
| 引脚 51 | I/O — User I/O pin |
| 引脚 52 | I/O — User I/O pin |
| 引脚 53 | GND — Ground |
| 引脚 54 | I/O — User I/O pin |
| 引脚 55 | I/O — User I/O pin |
| 引脚 56 | I/O — User I/O pin |
| 引脚 57 | I/O — User I/O pin |
| 引脚 58 | I/O — User I/O pin |
| 引脚 59 | VCC — 5 V supply |
| 引脚 60 | I/O — User I/O pin |
| 引脚 61 | I/O — User I/O pin |
| 引脚 62 | I/O — User I/O pin |
| 引脚 63 | I/O — User I/O pin |
| 引脚 64 | I/O — User I/O pin |
| 引脚 65 | GND — Ground |
| 引脚 66 | I/O — User I/O pin |
| 引脚 67 | I/O — User I/O pin |
| 引脚 68 | I/O — User I/O pin |
| 引脚 69 | I/O — User I/O pin |
| 引脚 70 | I/O — User I/O pin |
| 引脚 71 | VCC — 5 V supply |
| 引脚 72 | I/O — User I/O pin |
| 引脚 73 | I/O — User I/O pin |
| 引脚 74 | I/O — User I/O pin |
| 引脚 75 | I/O — User I/O pin |
| 引脚 76 | I/O — User I/O pin |
| 引脚 77 | GND — Ground |
| 引脚 78 | I/O — User I/O pin |
| 引脚 79 | I/O — User I/O pin |
| 引脚 80 | I/O — User I/O pin |
| 引脚 81 | I/O — User I/O pin |
| 引脚 82 | I/O — User I/O pin |
| 引脚 83 | VCC — 5 V supply |
| 引脚 84 | I/O — User I/O pin |
| 引脚 85 | I/O — User I/O pin |
| 引脚 86 | I/O — User I/O pin |
| 引脚 87 | I/O — User I/O pin |
| 引脚 88 | I/O — User I/O pin |
| 引脚 89 | GND — Ground |
| 引脚 90 | I/O — User I/O pin |
| 引脚 91 | I/O — User I/O pin |
| 引脚 92 | I/O — User I/O pin |
| 引脚 93 | I/O — User I/O pin |
| 引脚 94 | I/O — User I/O pin |
| 引脚 95 | VCC — 5 V supply |
| 引脚 96 | I/O — User I/O pin |
| 引脚 97 | I/O — User I/O pin |
| 引脚 98 | I/O — User I/O pin |
| 引脚 99 | I/O — User I/O pin |
| 引脚 100 | I/O — User I/O pin |
| 引脚 101 | GND — Ground |
| 引脚 102 | I/O — User I/O pin |
| 引脚 103 | I/O — User I/O pin |
| 引脚 104 | I/O — User I/O pin |
| 引脚 105 | I/O — User I/O pin |
| 引脚 106 | I/O — User I/O pin |
| 引脚 107 | VCC — 5 V supply |
| 引脚 108 | I/O — User I/O pin |
| 引脚 109 | I/O — User I/O pin |
| 引脚 110 | I/O — User I/O pin |
| 引脚 111 | I/O — User I/O pin |
| 引脚 112 | I/O — User I/O pin |
| 引脚 113 | GND — Ground |
| 引脚 114 | I/O — User I/O pin |
| 引脚 115 | I/O — User I/O pin |
| 引脚 116 | I/O — User I/O pin |
| 引脚 117 | I/O — User I/O pin |
| 引脚 118 | I/O — User I/O pin |
| 引脚 119 | VCC — 5 V supply |
| 引脚 120 | I/O — User I/O pin |
| 引脚 121 | I/O — User I/O pin |
| 引脚 122 | I/O — User I/O pin |
| 引脚 123 | I/O — User I/O pin |
| 引脚 124 | I/O — User I/O pin |
| 引脚 125 | GND — Ground |
| 引脚 126 | I/O — User I/O pin |
| 引脚 127 | I/O — User I/O pin |
| 引脚 128 | I/O — User I/O pin |
| 引脚 129 | I/O — User I/O pin |
| 引脚 130 | I/O — User I/O pin |
| 引脚 131 | VCC — 5 V supply |
| 引脚 132 | I/O — User I/O pin |
| 引脚 133 | I/O — User I/O pin |
| 引脚 134 | I/O — User I/O pin |
| 引脚 135 | I/O — User I/O pin |
| 引脚 136 | I/O — User I/O pin |
| 引脚 137 | GND — Ground |
| 引脚 138 | I/O — User I/O pin |
| 引脚 139 | I/O — User I/O pin |
| 引脚 140 | I/O — User I/O pin |
| 引脚 141 | I/O — User I/O pin |
| 引脚 142 | I/O — User I/O pin |
| 引脚 143 | VCC — 5 V supply |
| 引脚 144 | I/O — User I/O pin |
| 引脚 145 | I/O — User I/O pin |
| 引脚 146 | I/O — User I/O pin |
| 引脚 147 | I/O — User I/O pin |
| 引脚 148 | I/O — User I/O pin |
| 引脚 149 | GND — Ground |
| 引脚 150 | I/O — User I/O pin |
| 引脚 151 | I/O — User I/O pin |
| 引脚 152 | I/O — User I/O pin |
| 引脚 153 | I/O — User I/O pin |
| 引脚 154 | I/O — User I/O pin |
| 引脚 155 | VCC — 5 V supply |
| 引脚 156 | I/O — User I/O pin |
| 引脚 157 | I/O — User I/O pin |
| 引脚 158 | I/O — User I/O pin |
| 引脚 159 | I/O — User I/O pin |
| 引脚 160 | I/O — User I/O pin |
| 引脚 161 | GND — Ground |
| 引脚 162 | I/O — User I/O pin |
| 引脚 163 | I/O — User I/O pin |
| 引脚 164 | I/O — User I/O pin |
| 引脚 165 | I/O — User I/O pin |
| 引脚 166 | I/O — User I/O pin |
| 引脚 167 | VCC — 5 V supply |
| 引脚 168 | I/O — User I/O pin |
| 引脚 169 | I/O — User I/O pin |
| 引脚 170 | I/O — User I/O pin |
| 引脚 171 | I/O — User I/O pin |
| 引脚 172 | I/O — User I/O pin |
| 引脚 173 | GND — Ground |
| 引脚 174 | I/O — User I/O pin |
| 引脚 175 | I/O — User I/O pin |
| 引脚 176 | I/O — User I/O pin |
| 引脚 177 | I/O — User I/O pin |
| 引脚 178 | I/O — User I/O pin |
| 引脚 179 | VCC — 5 V supply |
| 引脚 180 | I/O — User I/O pin |
| 引脚 181 | I/O — User I/O pin |
| 引脚 182 | I/O — User I/O pin |
| 引脚 183 | I/O — User I/O pin |
| 引脚 184 | I/O — User I/O pin |
| 引脚 185 | GND — Ground |
| 引脚 186 | I/O — User I/O pin |
| 引脚 187 | I/O — User I/O pin |
| 引脚 188 | I/O — User I/O pin |
| 引脚 189 | I/O — User I/O pin |
| 引脚 190 | I/O — User I/O pin |
| 引脚 191 | VCC — 5 V supply |
| 引脚 192 | I/O — User I/O pin |
| 引脚 193 | I/O — User I/O pin |
| 引脚 194 | I/O — User I/O pin |
| 引脚 195 | I/O — User I/O pin |
| 引脚 196 | I/O — User I/O pin |
| 引脚 197 | GND — Ground |
| 引脚 198 | I/O — User I/O pin |
| 引脚 199 | I/O — User I/O pin |
| 引脚 200 | I/O — User I/O pin |
| 引脚 201 | I/O — User I/O pin |
| 引脚 202 | I/O — User I/O pin |
| 引脚 203 | VCC — 5 V supply |
| 引脚 204 | I/O — User I/O pin |
| 引脚 205 | I/O — User I/O pin |
| 引脚 206 | I/O — User I/O pin |
| 引脚 207 | I/O — User I/O pin |
| 引脚 208 | I/O — User I/O pin |
| 引脚 209 | GND — Ground |
| 引脚 210 | I/O — User I/O pin |
| 引脚 211 | I/O — User I/O pin |
| 引脚 212 | I/O — User I/O pin |
| 引脚 213 | I/O — User I/O pin |
| 引脚 214 | I/O — User I/O pin |
| 引脚 215 | VCC — 5 V supply |
| 引脚 216 | I/O — User I/O pin |
| 引脚 217 | I/O — User I/O pin |
| 引脚 218 | I/O — User I/O pin |
| 引脚 219 | I/O — User I/O pin |
| 引脚 220 | I/O — User I/O pin |
| 引脚 221 | GND — Ground |
| 引脚 222 | I/O — User I/O pin |
| 引脚 223 | I/O — User I/O pin |
| 引脚 224 | I/O — User I/O pin |
| 引脚 225 | I/O — User I/O pin |
| 引脚 226 | I/O — User I/O pin |
| 引脚 227 | VCC — 5 V supply |
| 引脚 228 | I/O — User I/O pin |
| 引脚 229 | I/O — User I/O pin |
| 引脚 230 | I/O — User I/O pin |
| 引脚 231 | I/O — User I/O pin |
| 引脚 232 | I/O — User I/O pin |
| 引脚 233 | GND — Ground (exposed thermal pad) |
| 引脚 234 | TCK — JTAG test clock (dedicated) |
| 引脚 235 | TMS — JTAG test mode select (dedicated) |
| 引脚 236 | TDI — JTAG test data in (dedicated) |
| 引脚 237 | TDO — JTAG test data out (dedicated) |
| 引脚 238 | INPUT1 — Dedicated input pin 1 (DEV_CLRn/DEV_OE variant per design) |
| 引脚 239 | INPUT2 — Dedicated input pin 2 (GCLK1 variant per design) |
| 引脚 240 | INPUT3 — Dedicated input pin 3 (GCLK2 variant per design) |
典型应用
EPM9400RC240-20 适用于 6 应用s: Address Decoding and Bus Interface Logic, Industrial Control and PLC Logic, Legacy 5 V System Upgrade Paths, Peripheral Glue Logic for Microcontrollers, JTAG Boundary-Scan Test Integration, Telecommunications Backplane Glue Logic.
Address Decoding and Bus Interface Logic
The EPM9400RC240-20's 400 macrocells and 240 I/O pins make it well suited for address-decoding and bus-interface glue logic in 5 V embedded systems, including ISA, PC/104, and custom 8/16/32-bit microprocessor buses. Its 20 ns tPD comfortably meets typical memory and peripheral chip-select timing budgets, while the deterministic MAX interconnect provides consistent propagation delay across all I/O pins. Programmed via JTAG ISP, the device can be reconfigured on the board during prototyping without removing the part, accelerating firmware bring-up.
推荐
Industrial Control and PLC Logic
In industrial control boards and PLCs, the EPM9400RC240-20 provides deterministic non-volatile glue logic that retains configuration through power cycles without an external boot PROM. Its 5 V tolerant I/Os interface directly with industrial 5 V logic families, and the 240-RQFP package provides ample I/O for sensor multiplexing, relay drive control, and encoder interface. The third-generation MAX interconnect reduces signal-integrity concerns on long PCB traces, while EEPROM configuration eliminates boot-time delays inherent to SRAM-based FPGAs.
推荐
Legacy 5 V System Upgrade Paths
The EPM9400RC240-20 is widely used in legacy 5 V system upgrades where newer 3.3 V CPLDs cannot interface directly with 5 V logic. Its 4.75 V to 5.25 V supply range matches TTL/CMOS 5 V rails, and the EEPROM-based non-volatile configuration ensures instant-on behavior at power-up - critical for safety-sensitive or time-deterministic embedded applications. Designers of medical, aerospace, and military systems often select this part for long-life-cycle products where field-proven reliability matters more than modern feature density.
推荐
Peripheral Glue Logic for Microcontrollers
When interfacing microcontrollers to external peripherals (DRAM, FPGAs, ADCs, DACs), the EPM9400RC240-20 handles custom timing, bus-format conversion, and chip-select generation in a single non-volatile device. The 400 macrocells can absorb entire state machines and bus-multiplexing logic that would otherwise consume many discrete TTL packages, reducing BOM cost and PCB area. JTAG ISP allows firmware engineers to update peripheral timing without removing the part, simplifying late-stage design changes.
推荐
JTAG Boundary-Scan Test Integration
The built-in IEEE Std. 1149.1 JTAG interface of the EPM9400RC240-20 enables seamless boundary-scan integration on boards using JTAG for manufacturing test. The part supports JTAG chain inclusion alongside other 1149.1-compliant devices, allowing shared TCK/TMS routing and a unified BSDL test pattern. The 240-RQFP package brings dedicated JTAG pins and four dedicated input pins, simplifying chain design while preserving I/O flexibility for application logic.
推荐
Telecommunications Backplane Glue Logic
In telecom backplanes and access-network equipment, the EPM9400RC240-20 implements line-card interface logic, clock-distribution control, and alarm-handling state machines with predictable 20 ns timing. Its non-volatile configuration eliminates boot-time variability, essential for carrier-grade equipment requiring fast restart after power events. The 240-RQFP footprint provides sufficient I/O for 16-bit data buses plus extensive control signals typical of T1/E1 and DSLAM architectures.
推荐
推荐产品汇总
工程参考数据： EPM9400RC240-20 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | EPM9400RC240-15 | EPM9400RC208-20 | EPM9320GC280-20 | EPM9320RI208-20 | EPM7256SRI208-10 |
|---|---|---|---|---|---|---|
| Brand | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) |
| Package | 240-RQFP (32x32 mm) | 240-RQFP (32x32 mm) - same | 208-RQFP - different | 280-PGA - different | 208-RQFP - different | 208-RQFP - different |
| Macrocells | 400 | 400 (same) | 400 (same) | 320 (-20%) | 320 (-20%) | 256 (-36%) |
| Pin-to-Pin Delay (tPD) | 20 ns | 15 ns (-25%, faster) | 20 ns (same) | 20 ns (same) | 20 ns (same) | 10 ns (-50%, faster) |
| Supply Voltage | 4.75 V to 5.25 V | 4.75 V to 5.25 V (same) | 4.75 V to 5.25 V (same) | 4.75 V to 5.25 V (same) | 4.75 V to 5.25 V (same) | 4.75 V to 5.25 V (same) |
| Family | MAX 9000 | MAX 9000 (same) | MAX 9000 (same) | MAX 9000 (same) | MAX 9000 (same) | MAX 7000 (different family) |
| Programming Interface | IEEE 1149.1 JTAG ISP (EEPROM) | IEEE 1149.1 JTAG ISP (EEPROM) | IEEE 1149.1 JTAG ISP (EEPROM) | IEEE 1149.1 JTAG ISP (EEPROM) | IEEE 1149.1 JTAG ISP (EEPROM) | IEEE 1149.1 JTAG ISP (EEPROM) |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND | NRND |
关键差异点
- Same-package faster tPD drop-in option available （对比 EPM9400RC240-15)
- Highest macrocell density in MAX 9000 family （对比 EPM9320RI208-20)
- MAX 9000 architecture with third-generation MAX interconnect （对比 EPM7256SRI208-10)
设计说明
The EPM9400RC240-20 requires a single 5 V supply (4.75 V to 5.25 V). Per the Operating Requirements for Altera Devices Data Sheet, VCC must rise monotonically during power-up to ensure reliable ISP operation. Inputs may undershoot to -2.0 V or overshoot to 7.0 V only for periods shorter than 20 ns under no-load conditions. DC input levels must remain within -0.5 V on I/O pins and -0.3 V on the four dedicated input pins. Decoupling: place 0.1 uF ceramic capacitors close to every VCC/GND pair on the 240-RQFP package to suppress switching noise.
Route JTAG signals (TCK, TMS, TDI, TDO) as a clean daisy chain if multiple 1149.1 devices share the same JTAG bus. Keep JTAG traces short and isolated from switching signals; add 10 kohm pull-ups on TMS and TDI to prevent spurious test-mode entry. The exposed thermal pad on the 240-RQFP must be soldered to a ground plane for mechanical stability and thermal dissipation, even though the MAX 9000 family is CMOS-low-power.
Do not assume the EPM9400RC240-20 is still recommended for new designs - it is classified NRND by Altera/Intel. For new designs, evaluate MAX II or MAX V CPLDs, which offer lower power and modern features but require a different PCB footprint (not pin-compatible). Also, when migrating an existing design to the EPM9400RC240-15 (faster 15 ns tPD), verify the Quartus II/MAX+PLUS II timing simulation still meets all setup/hold requirements under worst-case conditions.
合规信息
RoHS and halogen-free status not directly stated in the verified web data; lead-free is typical for Altera/Intel 5 V MAX 9000 family. AEC-Q100 not applicable for commercial/industrial CPLD. Conflict-minerals compliance per Intel published CMRT.
