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