EPC20LC20U vs EPC27C32N 对比
详细并排对比 EPC20LC20U 出自 Intel 和 EPC27C32N 出自 Altera。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
规格对比
| 参数 | EPC20LC20U | EPC27C32N |
|---|---|---|
| 品牌 | Intel | Altera |
| 分类 | Memory ICs | FPGA & CPLD |
| 生命周期状态 | Obsolete | Obsolete |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $8.20 | $9.95 |
| Manufacturer | Altera Corporation (now Intel) | Intel (formerly Altera) |
| 功能 | FPGA Configuration Device (Serial Configuration PROM) | — |
| 存储器类型 | Non-volatile configuration memory | Configuration EPROM (non-volatile) |
| Configuration Interface | Serial (DATA, DCLK, nCS, nINIT_CONF, nSTATUS, OE) | Serial (Altera Passive Serial / Active Serial / JTAG) |
| Operating Voltage | 5.0 V (typical) | — |
| Absolute Maximum DC Input | -0.3 V to 7.0 V | — |
| Transient Input Tolerance | -2.0 V undershoot to 7.0 V overshoot (<100 mA, <20 ns) | — |
| Package Type | PLCC-20 (J-lead, plastic leaded chip carrier) | — |
| 引脚数量 | 20 | — |
| 安装类型 | Surface Mount (PLCC socket compatible) | Surface Mount (PLCC) |
| Compatible FPGA Families | Altera FLEX 6000, FLEX 8000, FLEX 10K, APEX, ACEX, early Cyclone | — |
| In-System Programming | Supported via JTAG / Quartus programmer | — |
| RoHS 状态 | [DATA_NEEDED: RoHS compliance status] | [DATA_NEEDED: depends on date code; older N suffix often Pb-free] |
| 工作温度范围 | [DATA_NEEDED: industrial/commercial grade] | — |
| Lead-Free / Halogen-Free | [DATA_NEEDED: lead-free status] | — |
| 生命周期状态 | Obsolete / Last-time-buy in distribution | — |
| Density | — | 32 Mbit |
| 电源电压 | — | [DATA_NEEDED: VCC nominal] |
| Supply Voltage Range | — | [DATA_NEEDED: VCC min/max] |
| Programmability | — | In-system programmable (IEEE 1532 / JTAG) |
| 封装 | — | PLCC-20 |
| Package Code Suffix | — | N = PLCC-20 |
| 工作温度 | — | [DATA_NEEDED: industrial/commercial] |
| Multi-device Daisy-chain | — | Yes (page-mode supported) |
| Reconfiguration | — | Software-controllable / on-the-fly via JTAG |
| Lead-free | — | [DATA_NEEDED] |
| Family | — | EPC Enhanced Configuration Device |
| Compatible FPGA Targets | — | Altera Stratix, Cyclone, Arria, FLEX, ACEX series |