SN54LS669 datasheet(2/6 Pages) MOTOROLA

Part #	SN54LS669

Description	SYNCHRONOUS 4-BIT UP/DOWN COUNTER

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Manufacturer	MOTOROLA [Motorola, Inc]

Direct Link	http://www.freescale.com

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2 / 6 page

5-592

FAST AND LS TTL DATA

SN54/74LS669

LOGIC DIAGRAM

(9)

(7)

(10)

(1)

(2)

LOAD

ENP

ENT

U/D

CP

DATA

RCO

QA

QB

QC

QD

(14)

(13)

(12)

(11)

(15)

P3

P2

P1

P0

(3)

(4)

(5)

(6)

(RIPPLE CARRY

OUTPUT)

CP

D

CP

D

CP

D

CP

D

GUARANTEED OPERATING RANGES

Symbol

Parameter

Min

Typ

Max

Unit

VCC

Supply Voltage

54

74

4.5

4.75

5.0

5.5

5.25

V

TA

Operating Ambient Temperature Range

54

74

– 55

0

25

125

70

°C

IOH

Output Current — High

54, 74

– 0.4

mA

IOL

Output Current — Low

54

74

4.0

8.0

mA

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SN54LS669 Datasheet(PDF) 2 Page - Motorola, Inc

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