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Datasheet 74VHC257 Equivalent ( PDF ) |
| N.º | Número de pieza | Descripción | Fabricantes | |
| 3 | 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 IMMUNITY: VNIH = VNIL = 28% VCC (MIN.) POWER DOWN PROTECTION ON INPUTS SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL |
 STMicroelectronics |
 |
| 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 IMMUNITY: VNIH = VNIL = 28% VCC (MIN.) POWER DOWN PROTECTION ON INPUTS SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL |
STMicroelectronics |
|
| 1 | 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 IMMUNITY: VNIH = VNIL = 28% VCC (MIN.) POWER DOWN PROTECTION ON INPUTS SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL |
STMicroelectronics |
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| Número de pieza | Descripción | Fabricantes | |
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