Texas Instruments SN74HC640ANS CMOS logic
ModelSN74HC640ANS
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Function: Bus Transceiver
Polarity: Invert
Delay time: 120@2V|24@4.5V|20@6Vns
Number of channels: 8
Power-supply voltage: 5V
Maximum output current: -7.8(Typ)mA
Maximum Low Level Output Current: 7.8(Typ)mA
Number of poles of the contact point: 20
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