SN74LS166D 查看數據表（PDF） - Motorola => Freescale

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SN74LS166D

8-BIT SHIFT REGISTERS LOW POWER SCHOTTKY

Motorola => Freescale 

SN54 / 74LS166

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

FAST AND LS TTL DATA

5-2

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