SN54LS290 datasheet(2/7 Pages) MOTOROLA

Part #	SN54LS290

Description	DECADE COUNTER; 4-BIT BINARY COUNTER

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Manufacturer	MOTOROLA [Motorola, Inc]

Direct Link	http://www.freescale.com

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2 / 7 page

5-467

FAST AND LS TTL DATA

SN54/74LS290

D SN54/74LS293

LOGIC SYMBOL

LS290

LS293

VCC = PIN 14

GND = PIN 7

NC = PINS 2, 6

1 3

1 2

10

11

MS

CP0

CP1

MR

Q0 Q1 Q2 Q3

12 13 9 5 4 8

VCC = PIN 14

GND = PIN 7

NC = PINS 1, 2, 3, 6

1 2

10

11

CP0

CP1

MR

Q0 Q1 Q2 Q3

12 13 9 5 4 8

LS290

LS293

LOGIC DIAGRAMS

SD

J

CP

CDQ

Q

J

CP

CDQ

Q

J

CP

CDQ

Q

R

CP

CDQ

Q

SD

K

S

J

CP

CD

Q

K

J

CP

CD

Q

K

J

CP

CD

Q

K

J

CP

CD

Q

K

MS1

MS2

CP0

CP1

MR1

MR2

CP0

CP1

MR1

MR2

Q0

Q1

Q2

Q3

Q0

Q1

Q2

Q3

VCC = PIN 14

GND = PIN 7

= PIN NUMBERS

VCC = PIN 14

GND = PIN 7

= PIN NUMBERS

1

3

8

4

5

9

11

12

10

13

10

13

11

12

8

4

5

9

K

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SN54LS290 Datasheet(PDF) 2 Page - Motorola, Inc

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