MC74HC589 查看數據表（PDF） - ON Semiconductor
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MC74HC589
ON Semiconductor
MC74HC589 Datasheet PDF : 12 Pages
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MC74HC589A
TIMING DIAGRAM
SHIFT CLOCK
SERIAL DATA
INPUT, SA
OUTPUT ENABLE
SERIAL SHIFT/
PARALLEL LOAD
LATCH CLOCK
AL
H
BL
L
L
L
L
L
CL
H
PARALLEL D L
L
DATA
INPUTS
EL
H
FL
H
GL
L
L
L
L
L
L
H
L
H
L
L
HL
H
H
H
QH
HIGH IMPEDANCE
ÉÉÉÉÉÉÉÉÉÉ SERIAL SHIFT
HL
H HL H
SERIAL SHIFT
L
HL
H LLL
SERIAL SHIFT
H
L HH
SERIAL
SHIFT
RESET LATCH LOAD LATCH PARALLEL LOAD
AND SHIFT REGISTER
SHIFT REGISTER
LOAD LATCH PARALLEL LOAD PARALLEL LOAD, LATCH
SHIFT REGISTER AND SHIFT REGISTER
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