X9116WS8I-2.7 datasheet(6/11 Pages) XICOR

Part #	X9116WS8I-2.7

Description	Digitally Controlled Potentiometer (XDCP)

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Manufacturer	XICOR [Xicor Inc.]

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6 / 11 page

X9116

Characteristics subject to change without notice.

6 of 11

REV 1.2 2/5/03

www.xicor.com

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

POWER UP AND DOWN REQUIREMENTS

There are no restrictions on the power-up or power-down conditions of VCC and the voltages applied to the potenti-

ometer pins provided that VCC is always more positive than or equal to VH, VL, and VW, i.e., VCC ≥ VH, VL, VW. The

VCC ramp rate spec is always in effect.

A.C. TIMING

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

(7) This parameter is 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.

Symbol

Parameter

Limits

Unit

Min.

Typ.(6)

Max.

tCl

CS to INC setup

100

ns

tlD

INC HIGH to U/D change

100

ns

tDI

U/D to INC setup

2.9

µs

tlL

INC LOW period

1

µs

tlH

INC HIGH period

1

µs

tlC

INC inactive to CS inactive

1

µs

tCPH

CS deselect time (STORE)

10

ms

tIW

INC to Vw change

1

5

µs

tCYC

INC cycle time

4

µs

tR, tF(7)

INC input rise and fall time

500

µs

tPU(7)

Power up to wiper stable

5

µs

tR VCC(7)

VCC Power-up rate

15

50

mV/µs

tWR

Store cycle

5

10

ms

CS

INC

U/D

VW

tCI

tIL

tIH

tCYC

tID

tDI

tIW

MI

(8)

tIC

tCPH

tF

tR

10%

90%

(store)

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X9116WS8I-2.7 Datasheet(PDF) 6 Page - Xicor Inc.

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