EPC1LC20AL3894 vs EPC1LC20-WCEC52 比較
詳細並排比較 EPC1LC20AL3894 由 Intel 與 EPC1LC20-WCEC52 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 | EPC1LC20AL3894 | EPC1LC20-WCEC52 |
|---|---|---|
| 品牌 | Intel | Altera |
| 類別 | Memory ICs | Memory ICs |
| 生命週期狀態 | Obsolete | Obsolete |
| 記憶體類型 | OTP Configuration PROM (EPROM-based) | OTP Configuration PROM (Anti-fuse) |
| Memory Capacity | 1 Mbit (212,942 × 1-bit) | — |
| Supply Voltage (VCC) | 3.0 V to 3.6 V (3.3 V nominal) | 3.3 V |
| Configuration Clock Frequency | Up to 8 MHz | — |
| Configuration Interface | Serial (Altera standard 4-wire: DATA, DCLK, nCS, nINIT_CONF) | — |
| 封裝 | 20-pin PLCC (J-lead) | 20-pin PLCC (J-lead, through-hole, 9x9 mm) |
| Package Dimensions | 9.0 × 9.0 × 4.5 mm (PLCC-20) | — |
| 工作溫度 | -40 °C to +85 °C (industrial) | -40C to +85C (industrial) |
| Programming Method | Factory / Altera programming service (one-time only) | — |
| Erasure | Windowed package supports UV erase (ceramic DIP variant); PLCC is OTP | — |
| 輸出配置 | Serial data out on DCLK rising edge | — |
| Compatible FPGA Families | APEX, ACEX, FLEX 10K, MAX 7000S/AE/B, Cyclone (legacy) | Cyclone, Stratix, APEX, ACEX, MAX series |
| 安裝類型 | Surface Mount / Socket (PLCC socket compatible) | — |
| RoHS 狀態 | Unknown — verify with manufacturer | [DATA_NEEDED: RoHS status] |
| 生命週期狀態 | Obsolete (EOL announced by Altera / Intel PSG) | Obsolete (recommended replacement: EPCQ family or newer serial config devices) |
| Shipping Variant Suffix | AL3894 (tape-and-reel / specific Altera part marking) | — |
| 記憶體容量 | — | 1 Mbit (1,048,576 bits) |
| 組織 | — | 212,942 x 1 bit |
| 介面 | — | Serial (Altera FPP/PS configuration protocol) |
| Configuration Clock (DCLK) | — | 8 MHz maximum |
| I/O Voltage Tolerance | — | 5.0 V (FPGA interface) |
| In-System Programmability | — | Yes (IEEE 1149.1 JTAG) |
| Programmability | — | One-Time Programmable (OTP) |
| Package Mounting | — | Through-hole (also accepts PLCC socket) |
| Lead-Free | — | [DATA_NEEDED: lead-free status] |
| Programming Interface | — | JTAG (IEEE Std 1149.1) ISP |
| 腳位數 | — | 20 |