MC74HC589A_05 Datasheet, PDF(9/14 Page) ON Semiconductor – 8-Bit Serial or Parallel-Input/Serial-Output Shift Register with 3-State Output High−Performance Silicon−Gate CMOS

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MC74HC589A_05 Datasheet, PDF (9/14 Pages) ON Semiconductor – 8-Bit Serial or Parallel-Input/Serial-Output Shift Register with 3-State Output High−Performance Silicon−Gate CMOS

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MC74HC589A

SHIFT CLOCK

SERIAL DATA

INPUT, SA

OUTPUT

ENABLE

SERIAL SHIFT/

PARALLEL LOAD

LATCH CLOCK

PARALLEL D L

DATA

INPUTS

ÃÃÃÃ HIGH IMPEDANCE

HL H

H L H L HL H

LL L

SERIAL SHIFT

L HH

SERIAL

SHIFT

RESET LOAD

LATCH LATCH

AND

SHIFT

PARALLEL

LOAD

SHIFT

LOAD

LATCH

PARALLEL

LOAD

SHIFT

PARALLEL LOAD,

LATCH, AND

SHIFT REGISTER

Figure 12. Timing Diagram

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