EPC448PC-20 vs EPC448PC-45A 比較
詳細並排比較 EPC448PC-20 由 Altera 與 EPC448PC-45A 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 | EPC448PC-20 | EPC448PC-45A |
|---|---|---|
| 品牌 | Altera | Altera |
| 類別 | Memory ICs | FPGA & CPLD |
| 生命週期狀態 | Obsolete | 最後購買 |
| Device Family | Enhanced Configuration Device (EPC) | — |
| Memory Density | 4 Mbit (4,194,304 bits) | 4 Mbit (448 Kbit) |
| Speed Grade | -20 | -45A |
| Supply Voltage (VCC) | 3.3 V | 3.0 V to 3.6 V (3.3 V typical) |
| Configuration Clock (Max) | 20 MHz | — |
| Interface to FPGA | Dedicated Altera/Intel configuration serial (Active Serial) | — |
| Programming Interface | JTAG (IEEE 1149.1) ISP | — |
| 封裝 | 20-ball PC-BGA | — |
| 安裝類型 | Surface Mount | Through-hole (DIP) |
| 工作溫度 | [DATA_NEEDED: operating temperature range] | -40 C to +85 C (industrial) |
| Configuration Time (typical 4 Mbit) | Approx. 200 ms at 20 MHz | — |
| Supported FPGA Series | APEX 20K, ACEX 1K, Cyclone, Cyclone II/III, Stratix/Stratix II | — |
| Compression | Supported (1.5x to 2x depending on bitstream) | — |
| RoHS 狀態 | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: rohs status from official datasheet] |
| Lead-Free | [DATA_NEEDED: lead-free status] | [DATA_NEEDED: lead-free finish status] |
| Device Type | — | Enhanced Configuration Device (EPC) for SRAM-based LUT FPGAs |
| Maximum Access Time | — | 45 ns |
| Package Type | — | Plastic DIP (PDIP-20), 300-mil body |
| 腳位數 | — | 20 |
| I/O Voltage Compatibility | — | 1.8 V, 2.5 V, 3.3 V downstream FPGA |
| Configuration Interface | — | Altera Passive Serial (4-wire: nCS, DCLK, DATA, nINIT_CONF) |
| Programming Technology | — | EEPROM cell with internal charge pump |
| Configuration Support | — | Altera Cyclone, Stratix, APEX, ACEX, Mercury, Excalibur FPGAs |
| MSL 等級 | — | Not applicable (through-hole package) |