EPC20LC20U vs EPC4QC100 比較
詳細並排比較 EPC20LC20U 由 Intel 與 EPC4QC100 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 | EPC20LC20U | EPC4QC100 |
|---|---|---|
| 品牌 | Intel | Altera |
| 類別 | Memory ICs | Memory ICs |
| 生命週期狀態 | Obsolete | Obsolete |
| Manufacturer | Altera Corporation (now Intel) | — |
| 功能 | FPGA Configuration Device (Serial Configuration PROM) | In-System Programmable Configuration PROM for FPGAs |
| 記憶體類型 | Non-volatile configuration memory | Flash |
| 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 |
| Compatible FPGA Families | Altera FLEX 6000, FLEX 8000, FLEX 10K, APEX, ACEX, early Cyclone | Stratix, Cyclone, APEX, Mercury, ACEX |
| In-System Programming | Supported via JTAG / Quartus programmer | — |
| RoHS 狀態 | [DATA_NEEDED: RoHS compliance status] | unknown |
| 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 | — |
| 記憶體容量 | — | 4 Mb |
| Supply Voltage (Core and I/O) | — | 3.3 V |
| Maximum Configuration Clock | — | 66 MHz |
| 介面 | — | Serial / Fast Passive (Altera FPGAs) |
| In-System Programmability | — | IEEE Std. 1532 compliant |
| JTAG Support | — | Yes (boundary scan + ISP via Jam STAPL) |
| nINIT_CONF Pin | — | Yes (triggers FPGA configuration via private JTAG instruction) |
| 封裝 | — | 100-pin PQFP (20x14 mm) |
| 工作溫度 | — | 0C to +70C (commercial) |
| Lead-Free | — | unknown |