EPC1LC20U vs EPC1LC20 对比
详细并排对比 EPC1LC20U 出自 Altera 和 EPC1LC20 出自 Intel。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 | EPC1LC20U | EPC1LC20 |
|---|---|---|
| 品牌 | Altera | Intel |
| 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 | $7.95 |
| 存储器类型 | OTP (One-Time-Programmable) Configuration PROM | Non-volatile configuration memory (Flash/EPROM) |
| Memory Density | 1 Mbit | — |
| Configuration Interface | Altera Serial Configuration (4-wire) | — |
| Maximum DCLK Frequency | 8 MHz | 8 MHz |
| 封装 | 20-pin PLCC (9x9 mm) | 20-pin PLCC (J-leaded, surface mount) |
| Operating Voltage (VCC) | 3.3 V typical [DATA_NEEDED: full range] | — |
| Configuration Time | [DATA_NEEDED: depends on bitstream length and DCLK] | — |
| Cascading Support | Yes (multi-PROM daisy-chain for larger bitstreams) | — |
| Programming Method | Altera APU / third-party JTAG programmer | — |
| Lead-Free (Pb-free) Finish | Yes ("U" suffix) | — |
| 安装类型 | Surface Mount | Surface Mount |
| Compatibility | Altera SRAM-based LUT FPGAs (APEX, FLEX, ACEX, Cyclone, Stratix families) | — |
| 工作温度 | [DATA_NEEDED: industrial/commercial grade range] | [DATA_NEEDED: Operating temperature range] |
| MSL 等级 | [DATA_NEEDED] | — |
| RoHS 状态 | Compliant (Pb-free finish, "U" suffix) | [DATA_NEEDED: RoHS status] |
| Memory Capacity | — | 1 Mbit (1,048,576 bits) |
| 接口类型 | — | Serial configuration interface |
| 电源电压 | — | 3.3 V or 5.0 V |
| In-System Programmability | — | Yes (IEEE 1149.1 / JTAG) |
| Programmable Voltage | — | 5.0 V and 3.3 V ISP |
| Configuration Mode | — | Serial, multi-device daisy-chain capable |
| 引脚数量 | — | 20 |
| Compatible FPGA Families | — | ACEX 1K, APEX 20K, FLEX 10K, Cyclone, Mercury |
| JTAG Pins | — | TCK, TMS, TDI, TDO |