X9C503SIZ datasheet(6/11 Pages) INTERSIL

Part #	X9C503SIZ

Description	Digitally Controlled Pot (XDCP)

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Manufacturer	INTERSIL [Intersil Corporation]

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6

FN8222.1

September 19, 2005

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

POWER-UP AND DOWN REQUIREMENTS

At all times, voltages on the potentiometer pins must be less than ±VCC. The recall of the wiper position from nonvola-

tile memory is not in effect until the VCC supply reaches its final value. 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 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.

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)

20

ms

tCPH

CS deselect time (NO STORE)

100

ns

tIW

INC to VW/RW change

100

500

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

500

µs

tR VCC(7)

VCC power-up rate

0.2

50

V/ms

CS

INC

U/D

VW

tCI

tIL

tIH

tCYC

tID

tDI

tIW

MI

(8)

tIC

tCPH

tF

tR

10%

90%

X9C102, X9C103, X9C104, X9C503

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