SN74LS166 Просмотр технического описания (PDF) - ON Semiconductor

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SN74LS166

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SN74LS166

Typical Clear, Shift, Load, Inhibit, and Shift Sequences

CLOCK

CLOCK INIHIBIT

CLEAR

SERIAL INPUT

SHIFT/LOAD

A

B

C

PARALLEL D

INPUTS

E

F

G

H

OUTPUT QH

CLEAR

SERIAL SHIFT

CLEAR (9)

SERIAL INPUT

SHIFT/LOAD

(1)

(15)

A (2)

(3)

B

(4)

C

(5)

D

(10)

E

(11)

F

(12)

G

(14)

H

(7)

CLOCK

(6)

CLOCK INHIBIT

H

L

H

L

H

L

H

H

INHIBIT H H L H L H L H

SERIAL SHIFT

LOAD

RS

CK

QA

RS

CK

QB

RS

CK

QC

RS

CK

QD

RS

CK

QE

RS

CK

QF

RS

CK

QG

RS

CK

(13) QH

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