EPC1LC20 vs EPC1LC20-WCEC52 对比
详细并排对比 EPC1LC20 出自 Intel 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 | EPC1LC20 | EPC1LC20-WCEC52 |
|---|---|---|
| 品牌 | Intel | 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） | $7.95 | $7.45 |
| 存储器类型 | Non-volatile configuration memory (Flash/EPROM) | OTP Configuration PROM (Anti-fuse) |
| Memory Capacity | 1 Mbit (1,048,576 bits) | — |
| 接口类型 | Serial configuration interface | — |
| Maximum DCLK Frequency | 8 MHz | — |
| 电源电压 | 3.3 V or 5.0 V | — |
| In-System Programmability | Yes (IEEE 1149.1 / JTAG) | Yes (IEEE 1149.1 JTAG) |
| Programmable Voltage | 5.0 V and 3.3 V ISP | — |
| Configuration Mode | Serial, multi-device daisy-chain capable | — |
| 封装 | 20-pin PLCC (J-leaded, surface mount) | 20-pin PLCC (J-lead, through-hole, 9x9 mm) |
| 引脚数量 | 20 | 20 |
| 安装类型 | Surface Mount | — |
| 工作温度 | [DATA_NEEDED: Operating temperature range] | -40C to +85C (industrial) |
| Compatible FPGA Families | ACEX 1K, APEX 20K, FLEX 10K, Cyclone, Mercury | Cyclone, Stratix, APEX, ACEX, MAX series |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| JTAG Pins | TCK, TMS, TDI, TDO | — |
| 存储容量 | — | 1 Mbit (1,048,576 bits) |
| 存储组织 | — | 212,942 x 1 bit |
| 接口 | — | Serial (Altera FPP/PS configuration protocol) |
| Configuration Clock (DCLK) | — | 8 MHz maximum |
| Supply Voltage (VCC) | — | 3.3 V |
| I/O Voltage Tolerance | — | 5.0 V (FPGA interface) |
| Programmability | — | One-Time Programmable (OTP) |
| Package Mounting | — | Through-hole (also accepts PLCC socket) |
| Lead-Free | — | [DATA_NEEDED: lead-free status] |
| Programming Interface | — | JTAG (IEEE Std 1149.1) ISP |
| 生命周期状态 | — | Obsolete (recommended replacement: EPCQ family or newer serial config devices) |