X9514 Datasheet, PDF (1/11 Pages) Xicor Inc. – PushPot™ Potentiometer (Push Button Controlled)

APPLICATION NOTES
AVA I L A B L E
AN42 • AN44–50 • AN52 • AN53 • AN73
XTe9r5m14inal Voltage ±5V, 32 Taps, Log Taper
X9514
PushPot™ Potentiometer (Push Button Controlled)
FEATURES
• Push Button Controlled
• Low Power CMOS
—Active Current, 3mA Max
—Standby Current, 200µA Max
• 31 Resistive Elements
—Temperature Compensated
—±20% End to End Resistance Range
— –5V to +5V Range
• 32 Wiper Tap Points
—Logarithmic Taper
—Wiper Positioned via Two Push Button Inputs
—Slow & Fast Scan Modes
—AUTOSTORE^® Option
—Manual Store Option
—Wiper Position Stored in Nonvolatile
Memory and Recalled on Power-Up
• 100 Year Wiper Position Data Retention
• X9514W = 10KΩ
• Packages
—8-Lead PDIP
—8-Lead SOIC
—14-Lead TSSOP
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.
The position of the wiper can be automatically stored in E²
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.
FUNCTIONAL DIAGRAM
PU
5-BIT
31
UP/DOWN
VH
PD
COUNTER
30
29
5-BIT
EEPROM
MEMORY
ONE ²⁸
OF
THIRTY-
TWO
DECODER
TRANSFER
GATES
RESISTOR
ARRAY
2
STORE AND
ASE
RECALL
1
CONTROL
CIRCUITRY
0
VL
VW
AUTOSTORE is a registered trademark of Xicor, Inc.
E²POT™ and PushPot™ are trademarks of Xicor, Inc.
©Xicor, Inc. 1994, 1995, 1996 Patents Pending
6487-3.5 7/3/96 T5/C3/D2 NS
1
6487 ILL F01.1
Characteristics subject to change without notice