X9514

1

©Xicor, Inc. 1994, 1995, 1996 Patents Pending

Characteristics subject to change without notice

6487-3.5 7/3/96 T5/C3/D2 NS

DESCRIPTION

The Xicor X9514 is a push button controlled, logarithmic

taper potentiometer and is ideal for push button con-

trolled resistance trimming.

The X9514 is a resistor array composed of 31 resistive

elements. Between each element and at either end are

tap points accessible to the wiper element. The position of

the wiper element is controlled by the

PU and PD inputs.

memory and then be recalled upon a subsequent power-

on operation.

All Xicor nonvolatile products are designed and tested

for applications requiring extended endurance and data

retention.

FEATURES

—Active Current, 3mA Max

—Standby Current, 200

—Temperature Compensated

—

— –5V to +5V Range

—Logarithmic Taper

—Wiper Positioned via Two Push Button Inputs

—Slow & Fast Scan Modes

—Manual Store Option

—Wiper Position Stored in Nonvolatile

Memory and Recalled on Power-Up

Ω

—8-Lead PDIP

—8-Lead SOIC

—14-Lead TSSOP

FUNCTIONAL DIAGRAM

PushPot™ Potentiometer (Push Button Controlled)

X9514

6487 ILL F01.1

5-BIT

UP/DOWN

COUNTER

5-BIT

EEPROM

MEMORY

STORE AND

RECALL

CONTROL

CIRCUITRY

ONE

OF

THIRTY-

TWO

DECODER

RESISTOR

ARRAY

31

30

29

28

2

1

0

VL

VW

VH

PU

PD

ASE

TRANSFER

GATES

AUTOSTORE is a registered trademark of Xicor, Inc.

Terminal Voltage

A V AILABLE

AN42 • AN44–50 • AN52 • AN53 • AN73