HD74HC91 - 8-bit Shift Register

Hitachi Semiconductor

Datasheet Details

This serial-in, serial-out, 8-bit shift register is composed of eight R-S master-slave flip-flops, input gating, and a clock drive.

High Speed Operation: tpd (Data Word Input to Output) = 21 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 Inputs tn A H L X X : tn : t n + 8: B H X L Irrelevant Reference bit time, clock low Bit time after 8 low-to-high clock transitions Outputs tn + 8 QH H L L QH L H H HD74HC91 P.

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