EPC2LI20U vs EPC2LI20 比較
詳細並排比較 EPC2LI20U 由 Altera 與 EPC2LI20 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 | EPC2LI20U | EPC2LI20 |
|---|---|---|
| 品牌 | Altera | Altera |
| 類別 | Memory ICs | Memory ICs |
| 生命週期狀態 | Obsolete | NRND |
| 記憶體類型 | Configuration PROM (serial EEPROM) | Flash (in-system programmable) |
| 記憶體容量 | 1.6 Mbit (65,536 x 1-bit device) | 1.6 Mb (1,572,864 bits) |
| Supply Voltage (VCC) | 3.0 V to 5.5 V (5.0 V nominal) | — |
| Programming Voltage | 5.0 V (via internal charge pump) | — |
| Configuration Interface | Serial 4-pin (DATA, DCLK, nCS, OE) | Serial or Byte-wide (parallel) |
| Maximum DCLK Frequency | 33 MHz (fast mode) | — |
| 工作溫度範圍 | -40 C to +85 C (industrial) | — |
| 封裝 | 20-pin PLCC (9x9 mm) | — |
| 安裝類型 | Surface Mount (PLCC socket) | Surface Mount (PLCC socket-compatible) |
| Programmability | In-system programmable via JTAG (IEEE 1149.1) | — |
| Cascade Support | Yes (via nCASC pin) | — |
| Device ID | 32-bit JTAG-readable | — |
| Supported FPGA Families | APEX II, APEX 20K, Mercury, ACEX 1K, FLEX 6000/10KE/10KA | — |
| RoHS 狀態 | [DATA_NEEDED: rohs status] | [DATA_NEEDED: RoHS status] |
| MSL 等級 | [DATA_NEEDED: MSL moisture sensitivity level] | [DATA_NEEDED: MSL level] |
| Programmable Type | — | In System Programmable (ISP) |
| 功能 | — | Configuration PROM for SRAM-based FPGAs |
| Supply Voltage - Operating | — | 3.0 V to 3.6 V and 4.5 V to 5.5 V (auto-sensing) |
| 工作溫度 | — | -40 C to +85 C (Industrial) |
| 封裝 / 外殼 | — | 20-PLCC (J-lead, 9x9 mm) |
| Decompression | — | On-chip (supports compressed bitstreams) |
| JTAG / ISP Interface | — | IEEE 1532 (TCK, TMS, TDI, TDO) |
| Multi-Device Support | — | Yes (daisy-chain configuration) |
| User-Accessible Memory | — | Yes (unused flash available to user logic) |