HD74HC4020 Datasheet
HD74HC4020 Datasheet (Hitachi Semiconductor)
Hitachi Semiconductor
The HD74HC4020 is a 14 stage counter. This device is incremented on the falling edge (negative transition) of the input clock, and all its output is reset to a low level by applying a logical high on .
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* High Speed Operation: tpd (Clock to Q1) = 14 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 µA max Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)
Function Table
Clock Reset L L X H Outputs St.
HD74HC4020 Datasheet (Renesas)
Renesas
The HD74HC4020 is a 14 stage counter. This device is incremented on the falling edge (negative transition) of the input clock, and all its output is reset to a low level by applying a logical high on .
* High Speed Operation: tpd (Clock to Q1) = 14 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 µA max
* Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)
* Ordering Information
Part Name
Package .