27C256A-12 vs 27C512-10 比較
詳細並排比較 27C256A-12 由 NEC 與 27C512-10 由 Texas Instruments. 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 | 27C512-10 |
|---|---|---|
| 品牌 | NEC | Texas Instruments |
| 類別 | Memory ICs | Memory ICs |
| 生命週期狀態 | Obsolete | 停產終止 |
| 記憶體類型 | UV EPROM | OTP EPROM (CMOS) |
| Technology | CMOS | — |
| 記憶體容量 | 256 Kbit (32K x 8) | 512 Kbit |
| 組織 | 32K x 8 | 64K x 8 |
| Access Time | 120 ns | — |
| Supply Voltage (VCC) | 5 V | +5 V with +/-10% tolerance |
| Programming Voltage (VPP) | [DATA_NEEDED: programming voltage VPP] | +12.5 V |
| 介面 | Parallel | Parallel, TTL compatible |
| 工作溫度 | 0C to +70C (commercial) | [DATA_NEEDED: operating temperature range] |
| 封裝 | 28-pin DIP | 28-pin DIP |
| 安裝類型 | Through Hole | Through Hole |
| Erase Method | Ultraviolet light | One-Time Programmable (not erasable) |
| Standby Current | [DATA_NEEDED: standby current] | 20 uA typical (CMOS standby) |
| Active Current | [DATA_NEEDED: active current] | — |
| RoHS 狀態 | unknown | unknown |
| 生命週期狀態 | Obsolete (legacy product) | — |
| Access Time (Speed Grade -10) | — | 100 ns |
| Operating Mode | — | Totally static operation |
| Address Lines | — | 15 (A0-A14) |
| Data Lines | — | 8 (Q0-Q7), tri-state outputs |
| Control Signals | — | /E (chip enable), /G (output enable) |
| Pinout Standard | — | JEDEC-approved 28-pin EPROM pinout |