ICS9248-136 Ver la hoja de datos (PDF) - Integrated Circuit Systems

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ICS9248-136

Frequency Generator & Integrated Buffers for K7 Processor

Integrated Circuit Systems 

ICS9248-136

Advance Information

Absolute Maximum Ratings

Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5 V

Logic Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND –0.5 V to VDD +0.5 V

Ambient Operating Temperature . . . . . . . . . . . . . 0°C to +70°C

Case Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . 115°C

Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . –65°C to +150°C

Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. These ratings are

stress specifications only and functional operation of the device at these or any other conditions above those listed in the

operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended

periods may affect product reliability.

Electrical Characteristics - Input/Supply/Common Output Parameters

TA = 0 - 70C; Supply Voltage VDD = 3.3 V +/-5% (unless otherwise stated)

PAR AM ETER

SYM B OL

C ONDIT IONS

M IN TYP M AX UNITS

Input High Voltage

VIH

Input Low Voltage

VIL

Supply Current

IDD

CL = 0 pF; Select @ 66M

IDDL

Input frequency

Fi

VDD = 3.3 V;

Input Capacitance1

Transition Time1

Settling Time1

Clk Stabilization1

Skew1

Skew1

C IN

Logic Inputs

CINX X1 & X2 pins

Ttrans To 1st crossing of target Freq.

Ts

From 1st crossing to 1% target Freq.

TSTAB From VDD = 3.3 V to 1% target Freq.

TCPU-PCI VT = 1 .5 V;

TCPU-SPREAD VT = 1 .5 V;

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

2

VSS-0 .3

27

1 .0

VDD+0 .3

0 .8

180

30

5

45

3

3

4 .0

5 0 0 .0

V

V

mA

mA

M Hz

pF

pF

ms

ms

ms

ms

ps

Third party brands and names are the property of their respective owners.

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