EPC2LC21N vs EPC2LC22N 对比
详细并排对比 EPC2LC21N 出自 Altera 和 EPC2LC22N 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 | EPC2LC21N | EPC2LC22N |
|---|---|---|
| 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） | $10.95 | $9.75 |
| 存储器类型 | Configuration PROM (EPROM/EEPROM-based) | Configuration PROM (non-volatile) |
| 存储容量 | 1.6 Mbit | 1.6 Mbit |
| 电源电压 | 3.3 V | 2.5 V (LC core) |
| 接口 | Serial (Altera FPP/PS configuration) | Serial configuration / JTAG (IEEE 1149.1) |
| Programmability | In-system programmable via JTAG (ISP) | In-system programmable (ISP) via JTAG |
| Configuration Method | Serial data stream to FPGA DCLK/DATA | — |
| 封装 | 20-pin PLCC (9x9 mm) | PLCC-22 (Plastic Leaded Chip Carrier) |
| 安装类型 | Surface Mount (PLCC socket compatible) | Surface Mount / Through Hole socket |
| 工作温度 | -40C to +85C (industrial) | [DATA_NEEDED: operating temperature range] |
| JTAG Support | Yes (IEEE 1149.1 boundary-scan) | — |
| Endurance (ISP writes) | [DATA_NEEDED: ISP write endurance cycles] | — |
| Data Retention | [DATA_NEEDED: data retention years] | — |
| RoHS 状态 | Compliant | [DATA_NEEDED: RoHS compliance status] |
| Lead-Free | Yes | [DATA_NEEDED: lead-free status] |
| Target FPGAs | Altera APEX, ACEX, FLEX, Cyclone, MAX series | — |
| Cascadable | — | Yes - supports multi-device configuration chains |
| Configuration Compatibility | — | Altera APEX, ACEX, Mercury, Cyclone, Stratix series FPGAs |
| JTAG Pins | — | TCK, TMS, TDI, TDO |
| Internal Oscillator | — | Yes (built-in configuration timing) |
| MSL 等级 | — | [DATA_NEEDED: MSL rating] |
| Status | — | Legacy / Obsolete (replaced by flash-based FPGA configuration) |