EPC2LC20NU vs EPC2LC20NA 对比
详细并排对比 EPC2LC20NU 出自 Altera 和 EPC2LC20NA 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 | EPC2LC20NU | EPC2LC20NA |
|---|---|---|
| 品牌 | Altera | Altera |
| 分类 | Memory ICs | Memory ICs |
| 生命周期状态 | Obsolete | 最后采购期 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $8.20 | $5.50 |
| 功能 | In-System Programmable Configuration PROM | — |
| Memory Density | 1.6 Mbit | 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) | — |
| 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 (9x9 mm) |
| 安装类型 | Surface Mount | Surface Mount (PLCC socket compatible) |
| Lead-Free / RoHS | Non-LEAD / non-RoHS (NU suffix = matte tin Sn finish, not Pb-free) | — |
| 工作温度 | 0C to +70C (commercial) | -40C to +85C (industrial grade) |
| Compatibility | Altera APEX 20K, APEX II, Mercury, FLEX 10K, ACEX 1K, Cyclone (legacy serial configuration) | — |
| Manufacturer | — | Altera Corporation (Intel Programmable Solutions Group) |
| 存储器类型 | — | Configuration PROM (Flash-based, ISP) |
| Operating Voltage (VCC) | — | 3.3 V |
| 接口 | — | Serial (passive-serial) data output to FPGA |
| Programmability | — | In-system programmable via IEEE 1532 JTAG |
| Supported FPGA Families | — | APEX 20K, ACEX 1K, FLEX 10K, FLEX 6000, Cyclone, Mercury |
| JTAG Compliance | — | IEEE Std 1149.1 / IEEE 1532 |
| Configuration Mode | — | Passive Serial (PS) |
| RoHS 状态 | — | [DATA_NEEDED: rohs status] |
| Daisy-Chain Support | — | Yes |
| Recommended Companion FPGA | — | Altera Cyclone, FLEX 10K, APEX 20K series |