27C256-17 vs 27C256A-20 比較
詳細並排比較 27C256-17 由 Microchip Technology 與 27C256A-20 由 Fujitsu. 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。
Microchip Technology
27C256-17 - 256Kbit UV EPROM 170ns 32Kx8 | Microchip Technology
27C256-17 Obsolete規格比較
| 參數 | 27C256-17 | 27C256A-20 |
|---|---|---|
| 品牌 | Microchip Technology | Fujitsu |
| 類別 | Memory ICs | Memory ICs |
| 生命週期狀態 | Obsolete | Obsolete |
| 記憶體類型 | EPROM - UV (windowed) | OTP EPROM (CMOS) |
| 記憶體容量 | 256 Kbit | 256 Kbit |
| 組織 | 32K x 8 | 32K x 8 (32768 bytes) |
| Access Time | 170 ns | — |
| 介面 | Parallel | — |
| 供應電壓 | 4.5 V to 5.5 V | 5 V single supply |
| Technology | CMOS | CMOS |
| Temperature Grade | Commercial | — |
| 封裝 | CDIP-28 (windowed CERDIP, 0.6 inch) | 28-pin DIP / PLCC (per ordering code) |
| Number of Terminals | 28 | — |
| 安裝類型 | Through Hole | Through Hole (DIP variant) |
| Address Lines | A0 - A14 (15) | A0 to A14 (15 lines) |
| Data Lines | 8-bit bidirectional | O0 to O7 (8-bit, tri-state) |
| Control Signals | /CE, /OE, VPP | CE, OE, PGM |
| Erase Method | Ultraviolet light (quartz window) | — |
| RoHS 狀態 | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| 工作溫度 | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Maximum Access Time | — | 200 ns (-20 speed grade) |
| Standby Mode | — | Static standby (low-power deselect) |
| Programming Method | — | Fast single address location programming |
| Output Compatibility | — | TTL-compatible |
| Erasability | — | One-Time Programmable (no window) |