27C256A-12 vs 27C512-20 比較
詳細並排比較 27C256A-12 由 NEC 與 27C512-20 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。
規格比較
| 參數 | 27C256A-12 | 27C512-20 |
|---|---|---|
| 品牌 | NEC | Fujitsu |
| 類別 | Memory ICs | Memory ICs |
| 生命週期狀態 | Obsolete | Obsolete |
| 記憶體類型 | UV EPROM | UV EPROM |
| Technology | CMOS | CMOS |
| 記憶體容量 | 256 Kbit (32K x 8) | — |
| 組織 | 32K x 8 | 64K x 8 |
| Access Time | 120 ns | — |
| Supply Voltage (VCC) | 5 V | 5 V |
| Programming Voltage (VPP) | [DATA_NEEDED: programming voltage VPP] | [DATA_NEEDED: VPP voltage] |
| 介面 | Parallel | Parallel |
| 工作溫度 | 0C to +70C (commercial) | [DATA_NEEDED: operating temperature range] |
| 封裝 | 28-pin DIP | CQCC32 / LCC32 (ceramic, UV window) |
| 安裝類型 | Through Hole | Surface Mount |
| Erase Method | Ultraviolet light | Ultraviolet light |
| Standby Current | [DATA_NEEDED: standby current] | [DATA_NEEDED: standby current] |
| Active Current | [DATA_NEEDED: active current] | — |
| RoHS 狀態 | unknown | — |
| 生命週期狀態 | Obsolete (legacy product) | — |
| Density | — | 512 Kbit (524,288 bits) |
| Maximum Access Time | — | 200 ns |
| Outputs | — | 3-state |
| Operation | — | Asynchronous |
| Word Size | — | 8 bit |
| Address Count | — | 65,536 words |