EPC2L20 vs EPC2LS20U 比較
詳細並排比較 EPC2L20 由 Altera 與 EPC2LS20U 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 | EPC2L20 | EPC2LS20U |
|---|---|---|
| 品牌 | Altera | Altera |
| 類別 | Memory ICs | Memory ICs |
| 生命週期狀態 | Obsolete | Obsolete |
| 記憶體類型 | Configuration PROM (non-volatile) | — |
| 記憶體容量 | 1.6 Mbit | — |
| 組織 | 8-bit byte | — |
| 介面 | Serial FPGA configuration + JTAG (IEEE 1149.1 / IEEE 1532) | Altera serial configuration / JTAG |
| Programmability | In-system programmable via JTAG | — |
| Core Supply Voltage (VCCINT) | 3.3 V | — |
| I/O Supply Voltage (VCCIO) | 3.3 V or 5.0 V (VCCSEL selectable) | — |
| Cascade Support | Yes - multi-device daisy chain | — |
| Boundary Scan | JTAG IEEE 1149.1 BST | — |
| 封裝 | 20-pin PLCC (J-lead) | 20-PLCC (J-lead, 9x9 mm) |
| 安裝類型 | Surface Mount (PLCC socket compatible) | — |
| 工作溫度 | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: Operating Temperature] |
| MSL 等級 | [DATA_NEEDED: MSL rating] | [DATA_NEEDED: MSL Level] |
| RoHS 狀態 | RoHS Compliant (per IC Components listing) | — |
| Process Technology | Low-power CMOS | — |
| Target FPGAs | APEX II, APEX 20K, Mercury, ACEX 1K, Cyclone, Stratix | — |
| Product Type | — | In-System Programmable Configuration PROM |
| Memory Density | — | 1.6 Mbit |
| Operating Voltage (VCC) | — | 3.3 V |
| Programming Method | — | In-System Programmable (ISP) via JTAG |
| Lead-Free / RoHS | — | Yes (per "U" suffix) |
| Supported FPGA Families | — | Cyclone I/II, Stratix/II, APEX-II, ACEX-1K, FLEX-10K, FLEX-6000, MAX-7000 |
| Configuration Modes | — | PS (Passive Serial), AS, FPP |
| JTAG Support | — | Yes (IEEE 1149.1 boundary scan) |
| Done Pin | — | Yes (open-drain programmable polarity) |
| nSTATUS Pin | — | Yes (open-drain error flag) |
| nCONFIG Pin | — | Yes (reset/reconfiguration input) |
| DCLK Output | — | Yes (configuration clock to FPGA) |
| Compliance | — | RoHS (Pb-free per U suffix) |