ICS9248-20 查看數據表（PDF） - Integrated Circuit Systems

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ICS9248-20

Pentium/Pro™ System Clock Chip

Integrated Circuit Systems 

ICS9248-20

Electrical Characteristics - 48 MHz

TA = 0 - 70C; VDD = VDDL = 3.3 V +/-5%; CL = 10 - 20 pF (unless otherwise stated)

PARAMETER SYMBOL

CONDITIONS

MIN TYP MAX UNITS

Frequency Accuracy1 FACC48m

167 ppm

Output High Voltage VOH5 IOH = -12 mA

2.6 3

V

Output Low Voltage

VOL5 IOL = 9 mA

0.14 0.4 V

Output High Current

IOH5

VOH = 2.0 V

-44 -22 mA

Output Low Current

Rise Time1

Fall Time1

Duty Cycle1

Jitter, One Sigma1

Jitter, Absolute1

IOL5

tr5

tf5

dt5

tj1s5

tjabs5

VOL = 0.8 V

VOL = 0.4 V, VOH = 2.4 V

VOH = 2.4 V, VOL = 0.4 V

VT = 1.5 V

VT = 1.5 V

VT = 1.5 V

16 42

mA

1.2

4

ns

1.2

4

ns

45 52 55 %

1

3

%

3

5

%

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

PB

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