27C256-120N vs 27C256A-12 比較
詳細並排比較 27C256-120N 由 ASI 與 27C256A-12 由 NEC. 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 | 27C256-120N | 27C256A-12 |
|---|---|---|
| 品牌 | ASI | NEC |
| 類別 | Memory ICs | Memory ICs |
| 生命週期狀態 | 停產終止 | Obsolete |
| Memory Organization | 32K x 8 bit (256 Kbit) | — |
| Access Time | 120 ns | 120 ns |
| Technology | CMOS EPROM (UV erasable) | CMOS |
| Supply Voltage (Read) | 5 V +/-10% | — |
| Standby Current | 20 uA typical (CMOS standby) | [DATA_NEEDED: standby current] |
| Active Current | [DATA_NEEDED: active supply current] | [DATA_NEEDED: active current] |
| Programming Method | 100% Flashrite programming | — |
| Pinout | JEDEC-approved 27C256 pinout | — |
| 封裝 | 28-pin plastic DIP (DIP-28) | 28-pin DIP |
| Erase Method | Ultraviolet light (quartz window / windowed variant) | Ultraviolet light |
| 安裝類型 | Through Hole | Through Hole |
| 工作溫度 | [DATA_NEEDED: commercial operating temperature range] | 0C to +70C (commercial) |
| RoHS 狀態 | [DATA_NEEDED: RoHS status] | unknown |
| 輸出類型 | Parallel, 3-state outputs | — |
| Control Signals | CE, OE, PGM | — |
| 生命週期狀態 | End of Life (per Futurlec) | Obsolete (legacy product) |
| 記憶體類型 | — | UV EPROM |
| 記憶體容量 | — | 256 Kbit (32K x 8) |
| 組織 | — | 32K x 8 |
| Supply Voltage (VCC) | — | 5 V |
| Programming Voltage (VPP) | — | [DATA_NEEDED: programming voltage VPP] |
| 介面 | — | Parallel |