EPC2LC21N vs EPC1LI20N 对比
详细并排对比 EPC2LC21N 出自 Altera 和 EPC1LI20N 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 | EPC1LI20N |
|---|---|---|
| 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） | $10.95 | $7.80 |
| 存储器类型 | Configuration PROM (EPROM/EEPROM-based) | OTP Configuration PROM (One-Time Programmable) |
| 存储容量 | 1.6 Mbit | 1 Mbit (1,048,576 bits) |
| 电源电压 | 3.3 V | — |
| 接口 | Serial (Altera FPP/PS configuration) | — |
| Programmability | In-system programmable via JTAG (ISP) | — |
| Configuration Method | Serial data stream to FPGA DCLK/DATA | — |
| 封装 | 20-pin PLCC (9x9 mm) | — |
| 安装类型 | Surface Mount (PLCC socket compatible) | Surface Mount (PLCC socket or solder) |
| 工作温度 | -40C to +85C (industrial) | -40C to +85C (Industrial) |
| 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 | Compliant |
| Lead-Free | Yes | — |
| Target FPGAs | Altera APEX, ACEX, FLEX, Cyclone, MAX series | — |
| 接口类型 | — | Serial (Altera proprietary configuration protocol) |
| 封装 / 外壳 | — | 20-LCC (J-Lead), PLCC-20 |
| Package Dimensions | — | 9 mm x 9 mm (PLCC-20 J-lead) |
| Supply Voltage - VCCINT | — | 3.0 V to 3.6 V |
| Supply Voltage - VCCIO | — | 4.5 V to 5.5 V |
| JTAG / Boundary Scan | — | IEEE 1149.1 compliant (for programming) |
| Programmable Compression | — | Yes (reduces bitstream 30-55%) |
| Packaging | — | Tube |
| Lead Finish | — | Matte Sn (per JEDEC J-STD-020) |
| Target FPGA Families | — | Cyclone, FLEX 10K, APEX, ACEX 1K (LUT-based) |