ICS952802 datasheet(17/19 Pages) ICST

17 / 19 page

Integrated

Circuit

Systems, Inc.

ICS952802

Advance Information

0731—09/18/02

Electrical Characteristics - CPUCLK

TA = 0 - 70º C; VDD = 3.3 V +/-5%; CL = 20 pF (unless otherwise stated)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Output Impedance

VO = VX

Ω

Output High Voltage

VOH2B

11.2

Output Low Voltage

VOL2B

0.4

Output Low Current

IOL2B

VOL = 0.3 V

Rise Edge Rate

Measured from 20-80%

V/ns

Fall Edge Rate

Measured from 80-20%

V/ns

VDIFF

Differential Voltage,

Measured @ the Hammer

test load (single-ended

measurement)

0.4

2.3

DVDIFF

Change in VDIFF_DC

magnitude, Measured @

the Hammer test load

(single-ended

measurement)

-150

150

VCM

Common Mode Voltage,

Measured @ the Hammer

test load (single-ended

measurement)

1.05

1.45

DVCM

Change in Common Mode

Voltage, Measured @ the

Hammer test load (single-

ended measurement)

-200

200

Duty Cycle

dt2B

VT = 50%

Jitter, Cycle-to-cycle

tjcyc-cyc2B

VT = VX

200

Notes:

1 - Guaranteed by design, not 100% tested in production.

3 - Vpullup(external) = 1.5V, Min = Vpullup(external)/2-150mV; Max=(Vpullup(external)/2)+150mV

2 - VDIF specifies the minimum input differential voltages (VTR-VCP) required for switching, where VTR is the "true"

input level and VCP is the "complement" input level.

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