EPC1L20 vs EPC1LC20-WCEC52 对比
详细并排对比 EPC1L20 出自 Altera 和 EPC1LC20-WCEC52 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 | EPC1L20 | EPC1LC20-WCEC52 |
|---|---|---|
| 品牌 | Altera | Altera |
| 分类 | Memory ICs | Memory ICs |
| 生命周期状态 | 有效 | Obsolete |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $3.75 | $7.45 |
| 存储器类型 | OTP Configuration PROM (Flash) | OTP Configuration PROM (Anti-fuse) |
| 存储容量 | 1 Mbit | 1 Mbit (1,048,576 bits) |
| Configuration Clock (max) | 8 MHz | — |
| Flash Access Time | 90 ns (approx.) | — |
| Max Read Bandwidth | 160 Mbps (16-bit DQ bus) | — |
| 接口 | Serial / FPP configuration + JTAG (IEEE 1149.1) | Serial (Altera FPP/PS configuration protocol) |
| 电源电压 | 3.3 V (typical) | — |
| Programmability | One-Time Programmable (OTP) | One-Time Programmable (OTP) |
| 封装 | 20-pin PLCC (9x9 mm) | 20-pin PLCC (J-lead, through-hole, 9x9 mm) |
| 安装类型 | Through-Hole / Socket | — |
| 工作温度 | [DATA_NEEDED: operating temperature range] | -40C to +85C (industrial) |
| JTAG / ISP Support | Yes (IEEE 1149.1) | — |
| Compatible FPGA Series | Stratix, Cyclone, APEX, FLEX, ACEX, LUT-based families | — |
| RoHS 状态 | [DATA_NEEDED: RoHS compliance] | [DATA_NEEDED: RoHS status] |
| Lead-Free | [DATA_NEEDED: lead-free status] | [DATA_NEEDED: lead-free status] |
| 存储组织 | — | 212,942 x 1 bit |
| Configuration Clock (DCLK) | — | 8 MHz maximum |
| Supply Voltage (VCC) | — | 3.3 V |
| I/O Voltage Tolerance | — | 5.0 V (FPGA interface) |
| In-System Programmability | — | Yes (IEEE 1149.1 JTAG) |
| Package Mounting | — | Through-hole (also accepts PLCC socket) |
| Compatible FPGA Families | — | Cyclone, Stratix, APEX, ACEX, MAX series |
| Programming Interface | — | JTAG (IEEE Std 1149.1) ISP |
| 引脚数量 | — | 20 |
| 生命周期状态 | — | Obsolete (recommended replacement: EPCQ family or newer serial config devices) |