27C256L-12TMB vs 27C256A-12 比較
詳細並排比較 27C256L-12TMB 由 STMicroelectronics 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 | 27C256L-12TMB | 27C256A-12 |
|---|---|---|
| 品牌 | STMicroelectronics | NEC |
| 類別 | Memory ICs | Memory ICs |
| 生命週期狀態 | 停產終止 | Obsolete |
| 記憶體容量 | 256 Kbit | 256 Kbit (32K x 8) |
| 組織 | 32K x 8 | 32K x 8 |
| Access Time | 120 ns | 120 ns |
| Supply Voltage (VCC) | 4.5 V to 5.5 V | 5 V |
| Minimum Supply Voltage | 4.5 V | — |
| Technology | CMOS | CMOS |
| 記憶體類型 | UV EPROM | UV EPROM |
| Temperature Grade | Military | — |
| 工作溫度 | [DATA_NEEDED: operating temperature range] | 0C to +70C (commercial) |
| 封裝 | 28-pin Ceramic Leadless Chip Carrier (CLLCC) | 28-pin DIP |
| Number of Terminals | 28 | — |
| Package Shape | Rectangular | — |
| Address Lines | 15 (A0 to A14) | — |
| Data Outputs | 8, tri-state | — |
| 安裝類型 | Surface Mount | Through Hole |
| Programming Voltage (VPP) | [DATA_NEEDED: programming voltage] | [DATA_NEEDED: programming voltage VPP] |
| I/O Level | TTL compatible | — |
| RoHS 狀態 | unknown | unknown |
| 介面 | — | Parallel |
| Erase Method | — | Ultraviolet light |
| Standby Current | — | [DATA_NEEDED: standby current] |
| Active Current | — | [DATA_NEEDED: active current] |
| 生命週期狀態 | — | Obsolete (legacy product) |