EPC1LC20U vs EPC1LC20N 对比
详细并排对比 EPC1LC20U 出自 Altera 和 EPC1LC20N 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 | EPC1LC20N |
|---|---|---|
| 品牌 | Altera | Intel |
| 分类 | Memory ICs | Memory ICs |
| 生命周期状态 | Obsolete | 不推荐新设计 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $9.75 | $8.40 |
| 存储器类型 | OTP (One-Time-Programmable) Configuration PROM | OTP Configuration PROM (EPROM-based) |
| Memory Density | 1 Mbit | — |
| Configuration Interface | Altera Serial Configuration (4-wire) | Serial (DATA, DCLK, nCONFIG, nSTATUS) |
| Maximum DCLK Frequency | 8 MHz | — |
| 封装 | 20-pin PLCC (9x9 mm) | — |
| 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] | 0C to +70C (Commercial) |
| MSL 等级 | [DATA_NEEDED] | — |
| RoHS 状态 | Compliant (Pb-free finish, "U" suffix) | [DATA_NEEDED: RoHS status] |
| 存储容量 | — | 1 Mbit |
| Programmable Type | — | OTP (One-Time Programmable) |
| Configuration Clock Frequency | — | 16.7 MHz |
| Supply Voltage - VCCINT | — | 4.75 V to 5.25 V |
| Supply Voltage - VCCIO | — | 3.0 V to 3.6 V |
| 封装 / 外壳 | — | 20-LCC (J-Lead), PLCC-20 |
| Package Dimensions | — | 9 mm x 9 mm |
| Packaging | — | Tube |
| Supported FPGA Families | — | Altera FLEX, APEX, ACEX, Mercury |
| Lead-Free | — | [DATA_NEEDED: lead-free status] |