EPC21C20U vs EPC27C32N 比較
詳細並排比較 EPC21C20U 由 Intel 與 EPC27C32N 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 | EPC21C20U | EPC27C32N |
|---|---|---|
| 品牌 | Intel | Altera |
| 類別 | Memory ICs | FPGA & CPLD |
| 生命週期狀態 | 啟用中 | Obsolete |
| Manufacturer | Intel / Altera | Intel (formerly Altera) |
| 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 | PLCC-20 |
| 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) | [DATA_NEEDED: industrial/commercial] |
| 安裝類型 | Surface Mount (BGA) | Surface Mount (PLCC) |
| RoHS 狀態 | Compliant (per Intel/Altera product page) | [DATA_NEEDED: depends on date code; older N suffix often Pb-free] |
| Lead-Free | Yes | — |
| Configuration Mode | Passive Serial (PS) / Active Serial (AS) via FPGA controller | — |
| 記憶體類型 | — | Configuration EPROM (non-volatile) |
| Density | — | 32 Mbit |
| Configuration Interface | — | Serial (Altera Passive Serial / Active Serial / JTAG) |
| 供應電壓 | — | [DATA_NEEDED: VCC nominal] |
| Supply Voltage Range | — | [DATA_NEEDED: VCC min/max] |
| Programmability | — | In-system programmable (IEEE 1532 / JTAG) |
| Package Code Suffix | — | N = PLCC-20 |
| Multi-device Daisy-chain | — | Yes (page-mode supported) |
| Reconfiguration | — | Software-controllable / on-the-fly via JTAG |
| Lead-free | — | [DATA_NEEDED] |
| Family | — | EPC Enhanced Configuration Device |
| Compatible FPGA Targets | — | Altera Stratix, Cyclone, Arria, FLEX, ACEX series |