EPC144LC20 vs EPC1LC20U 对比
详细并排对比 EPC144LC20 出自 Intel 和 EPC1LC20U 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 | EPC144LC20 | EPC1LC20U |
|---|---|---|
| 品牌 | Intel | Altera |
| 分类 | FPGA & CPLD | Memory ICs |
| 生命周期状态 | 最后采购期 | Obsolete |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $7.10 | $9.75 |
| Memory Capacity | 144 Kbit | — |
| Memory Organization | Serial (one-time programmable) | — |
| 接口类型 | Altera Serial Configuration (DATA, DCLK, nCONFIG, nSTATUS, CONF_DONE) | — |
| Programming Method | In-system via JTAG (IEEE 1149.1 / ByteBlaster / USB-Blaster) | Altera APU / third-party JTAG programmer |
| Supply Voltage (VCC) | 3.0 V to 5.5 V | — |
| 工作温度 | -40C to +85C (industrial) | [DATA_NEEDED: industrial/commercial grade range] |
| Configuration Time (typical) | [DATA_NEEDED: configuration time at DCLK = 10 MHz] | — |
| Active Supply Current | [DATA_NEEDED: ICC active] | — |
| Standby Supply Current | [DATA_NEEDED: ICC standby] | — |
| 封装 | 20-pin LCC (Leadless Chip Carrier, JLCC-20) | 20-pin PLCC (9x9 mm) |
| 引脚数量 | 20 | — |
| 安装类型 | Surface Mount | Surface Mount |
| Supported FPGA Families | Altera FLEX 6000 / 8000 / 10K, ACEX 1K, MAX 3000 / 7000, APEX 20K | — |
| MSL 等级 | 3 (168 hours) | [DATA_NEEDED] |
| RoHS 状态 | [DATA_NEEDED: RoHS compliance status per Intel PCN] | Compliant (Pb-free finish, "U" suffix) |
| Lead-Free | Yes | — |
| 无卤 | [DATA_NEEDED] | — |
| JTAG Compliance | IEEE Std 1149.1 | — |
| 存储器类型 | — | OTP (One-Time-Programmable) Configuration PROM |
| Memory Density | — | 1 Mbit |
| Configuration Interface | — | Altera Serial Configuration (4-wire) |
| Maximum DCLK Frequency | — | 8 MHz |
| 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) |
| Lead-Free (Pb-free) Finish | — | Yes ("U" suffix) |
| Compatibility | — | Altera SRAM-based LUT FPGAs (APEX, FLEX, ACEX, Cyclone, Stratix families) |