EPC1LC20W vs EPC1LC20U 比較
詳細並排比較 EPC1LC20W 由 Intel 與 EPC1LC20U 由 Altera. 比較關鍵規格、電氣參數、封裝、生命週期狀態、價格與供貨情況，以找出最符合您設計需求的元件。
規格比較
| 參數 | EPC1LC20W | EPC1LC20U |
|---|---|---|
| 品牌 | Intel | Altera |
| 類別 | Memory ICs | Memory ICs |
| 生命週期狀態 | Obsolete | Obsolete |
| 記憶體類型 | Serial Configuration Flash | OTP (One-Time-Programmable) Configuration PROM |
| Memory Density | 1 Mbit | 1 Mbit |
| 介面 | Serial (Altera passive serial configuration) | — |
| 最大時脈頻率 | 8 MHz | — |
| 供應電壓 | 3.0 V to 5.5 V | — |
| 封裝 | PLCC-20 (J-lead, through-hole) | 20-pin PLCC (9x9 mm) |
| 腳位數 | 20 | — |
| Configuration Handshake Pins | nCONFIG, nSTATUS, CONF_DONE | — |
| Standby Current | [DATA_NEEDED: typical Icc standby] | — |
| Active Current | [DATA_NEEDED: typical Icc active] | — |
| 工作溫度 | [DATA_NEEDED: industrial / commercial temp grade] | [DATA_NEEDED: industrial/commercial grade range] |
| Reconfiguration Support | Yes (nCONFIG toggle triggers reload) | — |
| Compatible FPGA Families | Classic, MAX, FLEX, ACEX, Cyclone, APEX | — |
| 安裝類型 | Through-Hole (PLCC socket or solder) | Surface Mount |
| MSL 等級 | [DATA_NEEDED: MSL rating] | [DATA_NEEDED] |
| RoHS 狀態 | [DATA_NEEDED: RoHS compliance status] | Compliant (Pb-free finish, "U" suffix) |
| Lead-Free | [DATA_NEEDED: lead-free / SnPb plating] | — |
| 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) |
| Programming Method | — | Altera APU / third-party JTAG programmer |
| Lead-Free (Pb-free) Finish | — | Yes ("U" suffix) |
| Compatibility | — | Altera SRAM-based LUT FPGAs (APEX, FLEX, ACEX, Cyclone, Stratix families) |