X9C104S datasheet(2/15 Pages) XICOR

No de pièce	X9C104S

Description	E2POT??Nonvolatile Digital Potentiometer

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Fabricant	XICOR [Xicor Inc.]

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X9C102/103/104/503

2

PIN DESCRIPTIONS

VH and VL

The high (VH) and low (VL) terminals of the X9C102/103/

104/503 are equivalent to the fixed terminals of a

mechanical potentiometer. The minimum voltage is –5V

and the maximum is +5V. It should be noted that the

terminology of VL and VH references the relative position

of the terminal in relation to wiper movement direction

selected by the U/

D input and not the voltage potential on

the terminal.

VW

VW is the wiper terminal, equivalent to the movable

terminal of a mechanical potentiometer. The position

of the wiper within the

array is determined by the

control inputs. The wiper terminal series resistance is

typically 40

Ω.

Up/Down (U/

D)

The U/

D input controls the direction of the wiper

movement and whether the counter is incremented or

decremented.

Increment (

INC)

The

INC input is negative-edge triggered. Toggling INC

will move the wiper and either increment or decrement

the counter in the direction indicated by the logic level on

the U/

D input.

Chip Select (

CS)

The device is selected when the

CS input is LOW. The

current counter value is stored in nonvolatile memory

when

CS is returned HIGH while the INC input is also

HIGH. After the store operation is complete the X9C102/

103/104/503 will be placed in the low power standby

mode until the device is selected once again.

PIN CONFIGURATION

PIN NAMES

Symbol

Description

VH

High Terminal

VW

Wiper Terminal

VL

Low Terminal

VSS

Ground

VCC

Supply Voltage

U/

D

Up/Down Input

INC

Increment Input

CS

Chip Select Input

NC

No Connect

3863 PGM T01

VCC

CS

VL

VW

3863 FHD F02.2

INC

U/D

VH

VSS

1

2

3

4

8

7

6

5

X9C102/

103/104/503

DIP/SOIC

Numéro de pièce similaire - X9C104S

Fabricant	No de pièce	Fiches technique	Description
Intersil Corporation	X9C104S	257Kb / 11P	Digitally Controlled Pot (XDCP)
	X9C104S	248Kb / 11P	Digitally Controlled Potentiometer
	X9C104S	240Kb / 10P	Wiper Position Stored in Non-volatile Memory and Recalled on Power-up
	X9C104S	240Kb / 10P	Wiper Position Stored in Non-volatile Memory and Recalled on Power-up
	X9C104S	240Kb / 10P	Digitally Controlled Potentiometer (XDCP??

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