EPC2LC20NU vs EPC2LC20N 对比
详细并排对比 EPC2LC20NU 出自 Altera 和 EPC2LC20N 出自 Intel。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 | EPC2LC20NU | EPC2LC20N |
|---|---|---|
| 品牌 | Altera | Intel |
| 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 | $7.40 |
| 功能 | In-System Programmable Configuration PROM | In-System Programmable Configuration PROM for SRAM-based FPGAs |
| Memory Density | 1.6 Mbit | — |
| FPGA Interface | Altera serial (4-pin: nCS, DCLK, DATA, nINIT_CONF) | — |
| Supply Voltage (VCC) | 3.0 V to 3.6 V | — |
| I/O Tolerance | 5 V tolerant inputs (per datasheet, except JTAG pins) | — |
| Programming Method | In-system via IEEE 1149.1 JTAG | — |
| JTAG Support | Yes (IEEE Std 1149.1 boundary-scan compliant) | IEEE 1149.1 / IEEE 1532 compliant |
| Cascade Support | Yes - daisy-chain for larger bitstreams | — |
| Minimum DC Input | -0.3 V (inputs may undershoot to -2.0 V for <20 ns) | — |
| Maximum Overshoot | 7.0 V for <100 mA and <20 ns | — |
| 封装 | 20-pin J-lead PLCC (9x9 mm) | 20-pin PLCC (J-Lead, 9x9 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Lead-Free / RoHS | Non-LEAD / non-RoHS (NU suffix = matte tin Sn finish, not Pb-free) | — |
| 工作温度 | 0C to +70C (commercial) | [DATA_NEEDED: operating temperature range] |
| Compatibility | Altera APEX 20K, APEX II, Mercury, FLEX 10K, ACEX 1K, Cyclone (legacy serial configuration) | — |
| 存储容量 | — | 1.6 Mbit |
| 存储器类型 | — | Flash |
| Programmable Type | — | In System Programmable (ISP) |
| Supply Voltage VCCINT | — | 3.0 V to 3.6 V |
| Supply Voltage VCCIO | — | 4.75 V to 5.25 V |
| Configuration Clock Frequency | — | 8 MHz (max) |
| 接口 | — | Serial (DATA0, DCLK, nCONFIG, nSTATUS, CONF_DONE) |
| Packaging | — | Tube |
| Supported FPGA Families | — | Altera APEX, Cyclone, Stratix, ACEX, MAX 7000 |
| RoHS 状态 | — | [DATA_NEEDED: RoHS status] |