EPC20LC20U vs EPC2LI20 对比
详细并排对比 EPC20LC20U 出自 Intel 和 EPC2LI20 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 | EPC2LI20 |
|---|---|---|
| 品牌 | Intel | Altera |
| 分类 | Memory ICs | Memory ICs |
| 生命周期状态 | Obsolete | 不推荐新设计 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $8.20 | $5.95 |
| Manufacturer | Altera Corporation (now Intel) | — |
| 功能 | FPGA Configuration Device (Serial Configuration PROM) | Configuration PROM for SRAM-based FPGAs |
| 存储器类型 | Non-volatile configuration memory | Flash (in-system programmable) |
| Configuration Interface | Serial (DATA, DCLK, nCS, nINIT_CONF, nSTATUS, OE) | Serial or Byte-wide (parallel) |
| 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 socket-compatible) |
| 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: RoHS status] |
| 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 | — |
| 存储容量 | — | 1.6 Mb (1,572,864 bits) |
| Programmable Type | — | In System Programmable (ISP) |
| Supply Voltage - Operating | — | 3.0 V to 3.6 V and 4.5 V to 5.5 V (auto-sensing) |
| 工作温度 | — | -40 C to +85 C (Industrial) |
| 封装 / 外壳 | — | 20-PLCC (J-lead, 9x9 mm) |
| Decompression | — | On-chip (supports compressed bitstreams) |
| JTAG / ISP Interface | — | IEEE 1532 (TCK, TMS, TDI, TDO) |
| Multi-Device Support | — | Yes (daisy-chain configuration) |
| User-Accessible Memory | — | Yes (unused flash available to user logic) |
| MSL 等级 | — | [DATA_NEEDED: MSL level] |