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