NLV74HC589ADTR2G_13 データシートの表示（PDF） - ON Semiconductor

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NLV74HC589ADTR2G_13

8-Bit Serial or Parallel-Input/Serial-Output Shift Register with 3-State Output

ON Semiconductor 

MC74HC589A

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

ÉÉÉÉ HIGH IMPEDANCE

HL H

H L H L HL H

LL L

H

SERIAL SHIFT

SERIAL SHIFT

SERIAL SHIFT

L HH

SERIAL

SHIFT

RESET LOAD

LATCH LATCH

AND

SHIFT RE-

GISTER

PARALLEL

LOAD

SHIFT RE-

GISTER

LOAD

LATCH

PARALLEL

LOAD

SHIFT RE-

GISTER

PARALLEL LOAD,

LATCH, AND

SHIFT REGISTER

Figure 12. Timing Diagram

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