ICS674-01

USER CONFIGURABLE DIVIDER

CLOCK DIVIDER

IDT™ / ICS™ USER CONFIGURABLE DIVIDER

2

ICS674-01

REV H 051310

Pin Assignment

Post Divider Table

Pin Descriptions

18

7

17

8

16

9

15

INA

10

INB

11

GND

12

OUTB

13

B0

14

B1

GND

GND

B8

B2

B7

B5

B3

B6

22

21

20

19

B4

OUTA

5

6

S2

VDD

VDD

24

23

A0

3

4

S0

S1

A1

26

25

A2

1

2

A5

A6

A3

28

27

A4

28 pin (150 mil) SSOP

S2

Pin 5

S1

Pin 4

S0

Pin 3

Post Divide

000

10

001

2

010

8

011

4

100

5

101

7

110

1

111

6

Pin

Number

Pin

Name

Pin Type

Pin Description

1, 2, 24 - 28

A5, A6, A0-A4

Input

Divider A word input pins. Forms a number from 1 to 127. Internal pull-up

resistors. See page 3 for details.

3 - 5

S0, S1, S2

Input

Select pins for Post Divider. See table above. Internal pull-up resistors.

6, 23

VDD

Power

Connect to VDD.

7

INA

Input

Divider A input.

8

INB

Input

Divider B input.

9, 19 - 20

GND

Power

Connect to ground.

10 - 18

B0 - B8

Input

Divider B word input pins. Forms a number from 4 to 511. Internal pull-up

resistors. See page 3 for details.

21

OUTB

Output

Divider B output.

22

OUTA

Output

Divider A output.