EPC1LC20U vs EPC1LC20 比較
詳細並排比較 EPC1LC20U 由 Altera 與 EPC1LC20 由 Intel. 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 | EPC1LC20U | EPC1LC20 |
|---|---|---|
| 品牌 | Altera | Intel |
| 類別 | Memory ICs | Memory ICs |
| 生命週期狀態 | Obsolete | Obsolete |
| 記憶體類型 | 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 |
| 封裝 | 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) | — |
| 安裝類型 | Surface Mount | Surface Mount |
| Compatibility | Altera SRAM-based LUT FPGAs (APEX, FLEX, ACEX, Cyclone, Stratix families) | — |
| 工作溫度 | [DATA_NEEDED: industrial/commercial grade range] | [DATA_NEEDED: Operating temperature range] |
| MSL 等級 | [DATA_NEEDED] | — |
| RoHS 狀態 | Compliant (Pb-free finish, "U" suffix) | [DATA_NEEDED: RoHS status] |
| Memory Capacity | — | 1 Mbit (1,048,576 bits) |
| 介面類型 | — | Serial configuration interface |
| 供應電壓 | — | 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 |
| 腳位數 | — | 20 |
| Compatible FPGA Families | — | ACEX 1K, APEX 20K, FLEX 10K, Cyclone, Mercury |
| JTAG Pins | — | TCK, TMS, TDI, TDO |