1

®

FN8188.2

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

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XDCP is a trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2005, 2006, 2008. All Rights Reserved

All other trademarks mentioned are the property of their respective owners.

X93256

Dual Digitally Controlled Potentiometers

(XDCPs™)

The Intersil X93256 is a dual digitally controlled

potentiometer (XDCP). The device consists of two resistor

arrays, wiper switches, a control section, and nonvolatile

memory. The wiper positions are controlled by individual

Up/Down interfaces.

A potentiometer is implemented by a resistor array

composed of 31 resistive elements and a wiper switching

network. The position of each wiper element is controlled by

a set of independent CS, U/D, and INC inputs. The position

of the wiper can be stored in nonvolatile memory and then

be recalled upon a subsequent power-up operation.

Each potentiometer is connected as a three-terminal

variable resistor and can be used in a wide variety of

applications including:

• Bias and Gain Control

• LCD Contrast Adjustment

Pinout

X93256

(14 LD TSSOP)

TOP VIEW

Features

• Dual solid-state potentiometers

• Individual Up/Down interfaces

• 32 wiper tap points per potentiometer

- Wiper position stored in nonvolatile memory and

recalled on power-up

• 31 resistive elements per potentiometer

- Temperature compensated

- Maximum resistance tolerance of ±25%

• Low power CMOS

- Active current, 200µA typical per potentiometer

- Standby current, 4µA max per potentiometer

• High reliability

- Endurance 200,000 data changes per bit

- Register data retention, 100 years

• Package

- 14 Ld TSSOP

• Pb-free available (RoHS compliant)

1

2

3

4

8

7

6

5

14

13

12

11

9

10

Rw1

Rw2

*NC can be left unconnected, or connected to

Ordering Information

PART NUMBER

PART MARKING

TEMPERATURE

RANGE (°C)

PACKAGE

PKG.

DWG. #

X93256UV14I-2.7*

X9325 6UVG

2.7 to 5.5

50

-40 to +85

14 Ld TSSOP (4.4mm)

M14.173

X93256UV14IZ-2.7*

(Note)

X9325 6UZG

50

-40 to +85

14 Ld TSSOP (4.4mm) (Pb-free) M14.173

X93256WV14I-2.7*

X9325 6WVG

12.5

-40 to +85

14 Ld TSSOP (4.4mm)

M14.173

X93256WV14IZ-2.7*

(Note)

X9325 6WZG

12.5

-40 to +85

14 Ld TSSOP (4.4mm) (Pb-free) M14.173

*Add "T1" suffix for tape and reel.Please refer to TB347 for details on reel specifications.

NOTE: These Intersil Pb-free plastic packaged products employ special Pb-free material sets; molding compounds/die attach materials and 100%

matte tin plate PLUS ANNEAL - e3 termination finish, which is 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.

Data Sheet

February 1, 2008