PinoutSpecificationsSupply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to 7 VInput clamp current, IIK(VI< 0 or VI > VCC ) (see Note 1) . . . . . . . . . . . . . .. . . . . .. . . . . ±20 mAOutput clamp current, IOK(VO< 0 o...
SN54HC266: PinoutSpecificationsSupply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to 7 VInput clamp current, IIK(VI< 0 or VI > VCC ) (se...
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Features: PinoutSpecificationsDescriptionThe SN54/74LS147 and SN54/74LS148 are Priority Encoders. ...
PinoutDescriptionThe LS155 and LS156 are Dual 1-of-4 Decoder/Demultiplexers with common Address in...

The SN54HC266 are composed of four independent2-input exclusive-NOR gates and featureopen-drain outputs. They perform the Booleanfunction Y =AB or Y = AB + AB in positive logic.
The SN54HC266 is characterized for operationover the full military temperature range of 55to 125. The SN74HC266 is characterized foroperation from 40 to 85.