EPC2LC22N vs EPC2LC21N 比較
詳細並排比較 EPC2LC22N 由 Altera 與 EPC2LC21N 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 | EPC2LC22N | EPC2LC21N |
|---|---|---|
| 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) | Configuration PROM (EPROM/EEPROM-based) |
| 記憶體容量 | 1.6 Mbit | 1.6 Mbit |
| 供應電壓 | 2.5 V (LC core) | 3.3 V |
| 介面 | Serial configuration / JTAG (IEEE 1149.1) | Serial (Altera FPP/PS configuration) |
| Programmability | In-system programmable (ISP) via JTAG | In-system programmable via JTAG (ISP) |
| Cascadable | Yes - supports multi-device configuration chains | — |
| 封裝 | PLCC-22 (Plastic Leaded Chip Carrier) | 20-pin PLCC (9x9 mm) |
| 安裝類型 | Surface Mount / Through Hole socket | Surface Mount (PLCC socket compatible) |
| 工作溫度 | [DATA_NEEDED: operating temperature range] | -40C to +85C (industrial) |
| Configuration Compatibility | Altera APEX, ACEX, Mercury, Cyclone, Stratix series FPGAs | — |
| JTAG Pins | TCK, TMS, TDI, TDO | — |
| Internal Oscillator | Yes (built-in configuration timing) | — |
| MSL 等級 | [DATA_NEEDED: MSL rating] | — |
| RoHS 狀態 | [DATA_NEEDED: RoHS compliance status] | Compliant |
| Lead-Free | [DATA_NEEDED: lead-free status] | Yes |
| Status | Legacy / Obsolete (replaced by flash-based FPGA configuration) | — |
| Configuration Method | — | Serial data stream to FPGA DCLK/DATA |
| JTAG Support | — | Yes (IEEE 1149.1 boundary-scan) |
| Endurance (ISP writes) | — | [DATA_NEEDED: ISP write endurance cycles] |
| Data Retention | — | [DATA_NEEDED: data retention years] |
| Target FPGAs | — | Altera APEX, ACEX, FLEX, Cyclone, MAX series |