ICS9248YF-64 datasheet(9/15 Pages) ICST

Part #	ICS9248YF-64

Description	AMD-K7TM System Clock Chip

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Manufacturer	ICST [Integrated Circuit Systems]

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9

ICS9248-64

Electrical Characteristics - AGP(0:1)

T

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Output High Voltage

VOH4B

IOH = -18 mA

2

3

V

Output Low Voltage

VOL4B

IOL = 18 mA

0.31

0.4

V

Output High Current

IOH4B

VOH = 2.0 V

-63

-19

mA

Output Low Current

IOL4B

VOL = 0.8 V

19

30

mA

Rise Time

1

Tr4B

VOL = 0.4 V, VOH = 2.0 V

1.3

2

ns

Fall Time

1

Tf4B

VOH = 2.0 V, VOL = 0.4 V

1.4

2

ns

Duty Cycle

1

Dt4B

VT = 50%

45

50

55

%

Jitter, Cycle-to-cycle

1

t

jcyc-cyc1

VT = 1.5 Volts

290

500

ps

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

Electrical Characteristics - SDRAM_OUT

T

A = 0 - 70º C; VDD = 3.3 V +/-5%, CL = 30 pF (unless otherwise stated)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Output High Voltage

V

OH3

I

OH = -11 mA

2

3

V

Output Low Voltage

V

OL3

I

OL = 11 mA

0.31

0.4

V

Output High Current

I

OH3

V

OH = 2.0 V

-60

-12

mA

Output Low Current

I

OL3

V

OL = 0.8 V

12

30

mA

Rise Time

1

T

r3

1

V

OL = 0.4 V, VOH = 2.4 V

1.7

2.2

ns

Fall Time

1

T

f3

1

V

OH = 2.4 V, VOL = 0.4 V

1.9

2.2

ns

Duty Cycle

1

D

t3

1

V

T = 50%

45

55

%

Jitter, Cycle-to-cycle

1

t

jcyc-cyc1

VT = 1.5 Volts

130

250

ps

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

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