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这些十进制解码器由8个反相器和10个4输入与非门组成。反相器成对连接以使BCD输入数据可用于由NAND门解码。有效输入逻辑的完全解码可确保所有无效输入条件下的所有输入保持关闭状态。
| Function |
| Technology Family |
| VCC (Min) (V) |
| VCC (Max) (V) |
| Channels (#) |
| Voltage (Nom) (V) |
| F @ Nom Voltage (Max) (Mhz) |
| ICC @ Nom Voltage (Max) (mA) |
| tpd @ Nom Voltage (Max) (ns) |
| Configuration |
| Type |
| IOL (Max) (mA) |
| IOH (Max) (mA) |
| Rating |
| Operating Temperature Range (C) |
| Package Group |
| Package Size: mm2:W x L (PKG) |
| Bits (#) |
| Digital input leakage (Max) (uA) |
| ESD Charged Device Model (kV) |
| ESD HBM (kV) |
| SN74HC42 | SN54HC42 |
|---|---|
| Decoder Demultiplexer | Decoder/Demultiplexer |
| HC | HC |
| 2 | 2 |
| 6 | 6 |
| 1 | 1 |
| 3.3 5 | 3.3 5 |
| 28 | 28 |
| 0.08 | 0.08 |
| 38 | 38 |
| 4:10 | 4:10 |
| Standard | Standard |
| 5.2 | 5.2/-5.2 |
| -5.2 | |
| Catalog | Military |
| -40 to 85 | -55 to 125 |
| PDIP SO SOIC | CDIP LCCC |
| See datasheet (PDIP) 16SO: 80 mm2: 7.8 x 10.2(SO) 16SOIC: 59 mm2: 6 x 9.9(SOIC) | See datasheet (CDIP) 20LCCC: 79 mm2: 8.89 x 8.89(LCCC) |
| 10 | 10 |
| 5 | 5 |
| 0.75 | 0.75 |
| 2 | 2 |
| 无样片 |
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