HD74HC4518FPEL datasheet(2/9 Pages) RENESAS

Part #	HD74HC4518FPEL

Description	Dual BCD Up Counters

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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2 / 9 page

HD74HC4518, HD74HC4520

Rev.2.00, Mar 30, 2006 page 2 of 8

Pin Arrangement

1

2

3

4

5

6

7

8

Clock A

Enable A

Q0 A

Q1 A

Q2 A

Q3 A

Reset A

GND

VCC

Reset B

Q3 B

Q2 B

Q1 B

Q0 B

Enable B

Clock B

CR

R

C

Q3

Q2

Q1

Q0

Q1

Q2

Q3

16

15

14

13

12

11

10

9

(Top view)

Block Diagram

HD74HC4518

D

C

R

Q

D

C

Q

D

C

Q

D

C

Q

Reset

Clock

Enable

Q0

Q1

Q2

Q3

RR

R

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HD74HC4518FPEL Datasheet(PDF) 2 Page - Renesas Technology Corp

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