X9312WPI datasheet(6/9 Pages) XICOR

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X9312

A.C. CONDITIONS OF TEST

Input Pulse Levels

0V to 3V

Input Rise and Fall Times

10ns

Input Reference Levels

1.5V

3865 PGM T05.1

MODE SELECTION

INC

Mode

Wiper Up

Wiper Down

Store Wiper Position

Standby

No Store, Return to

Standby

3865 PGM T06

A.C. OPERATING CHARACTERISTICS (Over recommended operating conditions unless otherwise specified)

Limits

Symbol

Parameter

Min.

Typ.(6)

Max.

Units

tCl

CS to INC Setup

100

tlD

INC HIGH to U/D Change

100

tDI

D to INC Setup

µs

tlL

INC LOW Period

µs

tlH

INC HIGH Period

µs

tlC

INC Inactive to CS Inactive

µs

tCPH

CS Deselect Time

tIW

INC to Vw Change

100

500

µs

tCYC

INC Cycle Time

µs

tR, tF(7)

INC Input Rise and Fall Time

500

µs

tPU(7)

Power up to Wiper Stable

500

µs

tR VCC(7)

VCC Power-up Rate

0.2

mV/

µs

3865 PGM T07.4

A.C. Timing

3865 FHD F03

Notes: (6) Typical values are for TA = 25°C and nominal supply voltage.

(7) This parameter is periodically sampled and not 100% tested.

(8) MI in the A.C. timing diagram refers to the minimum incremental change in the VW output due to a change in the wiper position.

INC

U/D

tCI

tIL

tIH

tCYC

tID

tDI

tIW

(8)

tIC

tCPH

10%

90%

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