EPC2LC20-U vs EPC2LC20-V 对比
详细并排对比 EPC2LC20-U 出自 Altera 和 EPC2LC20-V 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 | EPC2LC20-U | EPC2LC20-V |
|---|---|---|
| 品牌 | Altera | Altera |
| 分类 | Memory ICs | Memory ICs |
| 生命周期状态 | Obsolete | Obsolete |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $9.60 | $9.45 |
| 存储器类型 | Configuration PROM (Flash, in-system programmable) | Configuration PROM (Flash-based, in-system programmable) |
| 存储容量 | 1.6 Mbit | — |
| 接口 | Serial (4-wire Altera configuration) + JTAG (IEEE 1149.1) | — |
| Max Configuration Clock | 10 MHz | — |
| Supply Voltage (VCC) | 3.3 V (3.0 V to 3.6 V) | — |
| Programmable | In-system via JTAG | — |
| Cascade Support | Yes (multi-PROM for larger bitstreams) | Yes, daisy-chainable for >1.6 Mbit designs |
| 封装 | 20-PLCC (9x9) | — |
| 安装类型 | Surface Mount | Surface Mount (PLCC socket compatible) |
| 工作温度 | [DATA_NEEDED: full operating temperature range] | — |
| Supported FPGA Families | ACEX 1K, APEX 20K/20KC/20KE, APEX II, Arria GX, Cyclone, Cyclone II, FLEX 10K | APEX 20K, ACEX 1K, FLEX 10K, FLEX 6000, MAX 9000 |
| JTAG Support | Yes (IEEE 1149.1 boundary-scan) | — |
| RoHS 状态 | [DATA_NEEDED: RoHS compliance status] | Compliant (per distributor listings) |
| Lead-Free | [DATA_NEEDED: lead-free status] | Yes |
| MSL 等级 | [DATA_NEEDED: moisture sensitivity level] | — |
| Memory Density | — | 1.6 Mbit |
| Configuration Interface | — | Serial (Altera FPP/PS modes via DCLK/nSTATUS/CONF_DONE) |
| Maximum Configuration Clock | — | 10 MHz |
| Supply Voltage VCC | — | 3.3 V |
| I/O Tolerance | — | 5 V tolerant on configuration pins |
| In-System Programming | — | Yes, via IEEE 1149.1 JTAG (TMS/TCK/TDI/TDO) |
| Operating Temperature Range (V suffix) | — | 0 °C to +70 °C (commercial) |
| Package Type | — | 20-pin PLCC (JEDEC MS-018) |
| Package Dimensions | — | 9 x 9 mm body, 1.27 mm pitch |