Datasheet > X9CC102P

X9CC102P

更新时间： 2024-09-17 23:30:27

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其他 - ETC		/
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IC

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数据手册

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X9CC102P 数据手册

APPLICATION NOTE

A V A I L A B L E

AN20 • AN42–53 • AN71 • AN73 • AN88 • AN91–92 • AN115

Terminal Voltages ±5V, 100 Taps

X9C102/103/104/503

Digitally-Controlled (XDCP) Potentiometer

FEATURES

DESCRIPTION

• Solid-State Potentiometer

• Three-Wire Serial Interface

• 100 Wiper Tap Points

—Wiper Position Stored in Nonvolatile Memory

and Recalled on Power-up

• 99 Resistive Elements

—Temperature Compensated

—End to End Resistance, ±20%

—Terminal Voltages, ±5V

• Low Power CMOS

The X9Cxxx are Xicor digitally-controlled (XDCP)

potentiometers. The device consists of a resistor array,

wiper switches, a control section, and nonvolatile

memory. The wiper position is controlled by a three-wire

interface.

The potentiometer is implemented by a resistor array

composed of 99 resistive elements and a wiper switching

network. Between each element and at either end are

tap points accessible to the wiper terminal. The position

of the wiper element is controlled by the 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.

—V_CC= 5V

—Active Current, 3mA Max.

—Standby Current, 500µA Max.

• High Reliability

—Endurance, 100,000 Data Changes per Bit

—Register Data Retention, 100Years

• X9C102 = 1 kW

• X9C103 = 10 kW

• X9C503 = 50 kW

The device can be used as

potentiometer or as a two-terminal variable resistor in a

wide variety of applications including:

three-terminal

• control

• parameter adjustments

• signal processing

• X9C104 = 100 kW

• Packages

—8-Lead SOIC and DIP

FUNCTIONAL DIAGRAMS

U/D

INC

7-BIT

UP/DOWN

COUNTER

V_CC(Supply Voltage)

ONE 96

ONE-

HUNDRED

DECODER

Up/Down

(U/D)

R_H/V_H

7-BIT

NONVOLATILE

MEMORY

Increment

(INC)

Control

and

R_W/V_W

RESISTOR

ARRAY

Memory

TRANSFER

GATES

Device Select

(CS)

R_L/V_L

STORE AND

RECALL

CONTROL

CIRCUITRY

V_SS(Ground)

V_CC

GND

General

R /V

Detailed

E²POT^™is a trademark of Xicor, Inc. 11/5/98

©Xicor, Inc. 1994, 1995 Patents Pending

3863-2.4 2/12/99 T2/C0/D0 SH

Characteristics subject to change without notice

12 3 4 5 6 7...9

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