EPC20LC20U vs EPC21C20U 比較
詳細並排比較 EPC20LC20U 由 Intel 與 EPC21C20U 由 Intel. 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 | EPC20LC20U | EPC21C20U |
|---|---|---|
| 品牌 | Intel | Intel |
| 類別 | Memory ICs | Memory ICs |
| 生命週期狀態 | Obsolete | 啟用中 |
| Manufacturer | Altera Corporation (now Intel) | Intel / Altera |
| 功能 | FPGA Configuration Device (Serial Configuration PROM) | — |
| 記憶體類型 | Non-volatile configuration memory | — |
| Configuration Interface | Serial (DATA, DCLK, nCS, nINIT_CONF, nSTATUS, OE) | — |
| Operating Voltage | 5.0 V (typical) | — |
| Absolute Maximum DC Input | -0.3 V to 7.0 V | — |
| Transient Input Tolerance | -2.0 V undershoot to 7.0 V overshoot (<100 mA, <20 ns) | — |
| Package Type | PLCC-20 (J-lead, plastic leaded chip carrier) | — |
| 腳位數 | 20 | — |
| 安裝類型 | Surface Mount (PLCC socket compatible) | Surface Mount (BGA) |
| Compatible FPGA Families | Altera FLEX 6000, FLEX 8000, FLEX 10K, APEX, ACEX, early Cyclone | — |
| In-System Programming | Supported via JTAG / Quartus programmer | — |
| RoHS 狀態 | [DATA_NEEDED: RoHS compliance status] | Compliant (per Intel/Altera product page) |
| 工作溫度範圍 | [DATA_NEEDED: industrial/commercial grade] | — |
| Lead-Free / Halogen-Free | [DATA_NEEDED: lead-free status] | — |
| 生命週期狀態 | Obsolete / Last-time-buy in distribution | — |
| Product Type | — | Configuration Device (Boot Flash) |
| 記憶體容量 | — | 20 Mbit (2.5 Mbyte) |
| Supply Voltage (VCC) | — | 3.0 V to 3.6 V (3.3 V typical) |
| 介面 | — | Altera/Intel Passive Serial (PS) and Active Serial (AS), JTAG (IEEE 1149.1) |
| 封裝 | — | 20-pin UBGA (Ultra FineLine BGA) - also called 20-pin FBGA |
| In-System Programmability | — | Yes (via JTAG) |
| Bitstream Compression Support | — | Yes |
| Cascade (Multi-Device) Support | — | Yes (nCASC daisy-chain) |
| Supported FPGA Families | — | APEX II, APEX 20KE, APEX 20KC, Mercury, Stratix, Cyclone, ACEX 1K, FLEX 10KE |
| 工作溫度 | — | -40 C to +85 C (industrial) |
| Lead-Free | — | Yes |
| Configuration Mode | — | Passive Serial (PS) / Active Serial (AS) via FPGA controller |