CDC318

1-LINE TO 18-LINE CLOCK DRIVER

SCAS587B – JANUARY 1997 – REVISED MARCH 1998

4

POST OFFICE BOX 655303

I2C BYTE 1-BIT DEFINITION†

BIT

DEFINITION

DEFAULT VALUE

7

4Y3 enable (pin 45)

H

6

4Y2 enable (pin 44)

H

5

4Y1 enable (pin 41)

H

4

4Y0 enable (pin 40)

H

3

3Y3 enable (pin 36)

H

2

3Y2 enable (pin 35)

H

1

3Y1 enable (pin 32)

H

0

3Y0 enable (pin 31)

H

† When the value of the bit is high, the output is enabled.

When the value of the bit is low, the output is forced to a

low state. The default value of all bits is high.

I2C BYTE 2-BIT DEFINITION†

BIT

DEFINITION

DEFAULT VALUE

7

5Y1 enable (pin 28)

H

6

5Y0 enable (pin 21)

H

5

Reserved

H

4

Reserved

H

3

Reserved

H

2

Reserved

H

1

Reserved

H

0

Reserved

H

† When the value of the bit is high, the output is enabled.

When the value of the bit is low, the output is forced to a

low state. The default value of all bits is high.