Features: ` High Speed Operation: tpd = 14.5 ns typ (CL = 50 pF)` High Output Current: Fanout of 10 LSTTL Loads` Wide Operating Voltage: VCC = 2 to 6 V` Low Input Current: 1 A max` Low Quiescent Supply Current: ICC (static) = 4 A max (Ta = 25°C)PinoutDescriptionThe HD74HC147 features priority enco...
HD74HC147: Features: ` High Speed Operation: tpd = 14.5 ns typ (CL = 50 pF)` High Output Current: Fanout of 10 LSTTL Loads` Wide Operating Voltage: VCC = 2 to 6 V` Low Input Current: 1 A max` Low Quiescent Sup...
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The HD74HC147 features priority encoding of the inputs to ensure that only the highest order data line is encoded. Nine input lines are encoded to a four line BCD output. The implied decimal zero codition requires no input condition as zero is encoded when all nine data lines are at a high logic level. All data inputs and outputs of HD74HC147 are active at the low logic level.