X9C303 datasheet(6/10 Pages) XICOR

6 / 10 page

X9C303

Characteristics subject to change without notice.

6 of 10

REV 1.1 4/27/01

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A.C. CONDITIONS OF TEST

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

A.C. TIMING

Notes: (3) Typical values are for TA = 25°C and nominal supply voltage.

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

(5) 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.

Input pulse levels

0V to 3V

Input rise and fall times

10ns

Input reference levels

1.5V

Symbol

Parameter

Limits

Unit

Min.

Typ.3

Max.

tCl

CS to INC setup

100

tlD

INC HIGH to U/D change

100

tDI

U/D to INC setup

2.9

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, tF4

INC input rise and fall time

500

tPU4

Power up to wiper stable

500

µs

tR VCC4

VCC power-up rate

0.2

mV/µs

INC

U/D

tCI

tIL

tIH

tCYC

tID

tDI

tIW

(8)

tIC

tCPH

10%

90%

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