EPC1L20 vs EPC1LC20-W 比較
詳細並排比較 EPC1L20 由 Altera 與 EPC1LC20-W 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 | EPC1L20 | EPC1LC20-W |
|---|---|---|
| 品牌 | Altera | Altera |
| 類別 | Memory ICs | Memory ICs |
| 生命週期狀態 | 啟用中 | Obsolete |
| 記憶體類型 | OTP Configuration PROM (Flash) | OTP (One-Time Programmable) Configuration PROM |
| 記憶體容量 | 1 Mbit | 1 Mbit |
| Configuration Clock (max) | 8 MHz | — |
| Flash Access Time | 90 ns (approx.) | — |
| Max Read Bandwidth | 160 Mbps (16-bit DQ bus) | — |
| 介面 | Serial / FPP configuration + JTAG (IEEE 1149.1) | Altera serial configuration (DCLK / DATA / nCONFIG / nSTATUS) |
| 供應電壓 | 3.3 V (typical) | 3.3 V and 5.0 V |
| Programmability | One-Time Programmable (OTP) | — |
| 封裝 | 20-pin PLCC (9x9 mm) | 20-PLCC J-lead (9x9 mm) |
| 安裝類型 | Through-Hole / Socket | Surface Mount (PLCC socket or direct solder) |
| 工作溫度 | [DATA_NEEDED: operating temperature range] | — |
| JTAG / ISP Support | Yes (IEEE 1149.1) | — |
| Compatible FPGA Series | Stratix, Cyclone, APEX, FLEX, ACEX, LUT-based families | — |
| RoHS 狀態 | [DATA_NEEDED: RoHS compliance] | Compliant (Pb-free -W finish) |
| Lead-Free | [DATA_NEEDED: lead-free status] | — |
| Configuration Clock (DCLK) | — | 8 MHz maximum |
| In-System Programming | — | Yes - IEEE 1149.1 (JTAG) ISP at 3.3 V / 5.0 V |
| Lead Finish | — | Pb-free (matte tin) - "-W" suffix |
| Daisy-Chain Support | — | Yes - multiple EPC1 / EPC2 devices cascade to program larger FPGAs |
| Compression Support | — | Yes - stores compressed Altera FPGA bitstreams |
| 工作溫度範圍 | — | [DATA_NEEDED: operating temperature range] |
| Programming Cycles | — | 1 (OTP) |
| Target FPGA Families | — | Cyclone, FLEX 6000 / 10K / 10KE, ACEX 1K, APEX 20K, Mercury |