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PDF 74VHC257 ( 数据表 ) |
零件编号 | 功能 ( 描述 ) | 制造商 | ||
3 | 74VHC257T | QUAD 2 CHANNEL MULTIPLEXER 3-STATE ® 74VHC257 QUAD 2 CHANNEL MULTIPLEXER (3-STATE) s s s s s s s s s s HIGH SPEED: tPD = 3.7 ns (TYP.) at VCC = 5V LOWPOWER DISSIPATION: ICC = 4 µA (MAX.) at TA = 25 oC HIGH NOISE IM |
STMicroelectronics |
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2 | 74VHC257M | QUAD 2 CHANNEL MULTIPLEXER 3-STATE ® 74VHC257 QUAD 2 CHANNEL MULTIPLEXER (3-STATE) s s s s s s s s s s HIGH SPEED: tPD = 3.7 ns (TYP.) at VCC = 5V LOWPOWER DISSIPATION: ICC = 4 µA (MAX.) at TA = 25 oC HIGH NOISE IM |
STMicroelectronics |
|
1 | 74VHC257 | QUAD 2 CHANNEL MULTIPLEXER 3-STATE ® 74VHC257 QUAD 2 CHANNEL MULTIPLEXER (3-STATE) s s s s s s s s s s HIGH SPEED: tPD = 3.7 ns (TYP.) at VCC = 5V LOWPOWER DISSIPATION: ICC = 4 µA (MAX.) at TA = 25 oC HIGH NOISE IM |
STMicroelectronics |
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