2

FN8184.1

September 14, 2005

PIN DESCRIPTIONS

Ordering Information

PART NUMBER

PART MARKING

TEMP RANGE (°C)

PACKAGE

X9318WP8

X9318WP

10

0 to 70

8 Ld PDIP

X9318WP8I

X9318WP I

-40 to 85

8 Ld PDIP

X9318WS8*

X9318W

0 to 70

8 Ld SOIC (150 mil)

X9318WS8Z* (Note)

X9318W Z

0 to 70

8 Ld SOIC (150 mil) (Pb-free)

X9318WS8I*

X9318W I

-40 to 85

8 Ld SOIC (150 mil)

X9318WS8IZ* (Note)

X9318W Z I

-40 to 85

8 Ld SOIC (150 mil) (Pb-free)

*Add "T1" suffix for tape and reel.

NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate

termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL

classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.

DIP/SOIC

Symbol

Brief Description

1INC

Increment. Toggling INC while CS is low moves the wiper either up or down.

2U/D

Up/Down. The U/D input controls the direction of the wiper movement.

The high terminal is equivalent to one of the fixed terminals of a mechanical potentiometer.

Ground.

5R

W

The wiper terminal is equivalent to the movable terminal of a mechanical potentiometer.

6

The low terminal is equivalent to one of the fixed terminals of a mechanical potentiometer.

7CS

Chip Select. The device is selected when the CS input is LOW, and de-selected when CS is high.

Supply Voltage.

X9318