ICS9148-47 datasheet(7/9 Pages) ICST

номер детали	ICS9148-47

подробное описание детали	Pentium/ProTM System Clock Chip

PDF	9 Pages

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производитель	ICST [Integrated Circuit Systems]

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7 / 9 page

ICS9148-47

Electrical Characteristics - PCICLK

TA = 0 - 70C; VDD = VDDL = 3.3 V +/-5%; CL = 30 pF

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX UNITS

Output High Voltage

VOH1

IOH = -11 mA

2.4

3.1

Output Low Voltage

VOL1

IOL = 9.4 mA

0.1

0.4

Output High Current

IOH1

VOH = 2.0 V

-62

-22

Output Low Current

IOL1

VOL = 0.8 V

Rise Time

tr1

VOL = 0.4 V, VOH = 2.4 V

1.5

Fall Time

tf1

VOH = 2.4 V, VOL = 0.4 V

1.1

Duty Cycle

dt1

VT = 1.5 V

Skew

tsk1

VT = 1.5 V

140

500

Jitter, One Sigma

tj1s1

VT = 1.5 V

150

Jitter, Absolute

tjabs1

VT = 1.5 V

-500

500

Guaranteed by design, not 100% tested in production.

Electrical Characteristics - IOAPIC

TA = 0 - 70C; VDD = 3.3 V +/-5%, VDDL = 2.5 V +/-5%; CL = 20 pF

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX UNITS

Output High Voltage

VOH4B

IOH = -18 mA

2.2

Output Low Voltage

VOL4B

IOL = 18 mA

0.33

0.4

Output High Current

IOH4B

VOH = 1.7 V

-41

-28

Output Low Current

IOL4B

VOL = 0.7 V

Rise Time

Tr4B

VOL = 0.4 V, VOH = 2.0 V

1.3

1.6

Fall Time

Tf4B

VOH = 2.0 V, VOL = 0.4 V

1.1

1.6

Duty Cycle

Dt4B

VT = 1.25 V

Skew

tsk4B

VT = 1.25 V

250

Jitter, One Sigma

Tj1s4B

VT = 1.25 V

Jitter, Absolute

Tjabs4B

VT = 1.25 V

-5

Guaranteed by design, not 100% tested in production.

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