ICS9148F-37 datasheet(10/14 Pages) ICST

Part #	ICS9148F-37

Description	Frequency Generator & Integrated Buffers for PENTIUM/ProTM

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Manufacturer	ICST [Integrated Circuit Systems]

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10

ICS9148- 93

Advance Information

Absolute Maximum Ratings

Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.0V

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

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

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

Case Temperature . . . . . . . . . . . . . . . . . . . . . . . . 115°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 = VDDL = 3.3 V +/-5% (unless otherwise stated)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Input High Voltage

VIH

2VDD+0.3

V

Input Low Voltage

VIL

VSS-0.3

0.8

V

Input High Current

IIH

VIN = VDD

0.15mA

Input Low Current

IIL1

VIN = 0 V; Inputs with no pull-up resistors

-5

2.0

mA

Input Low Current

IIL2

VIN = 0 V; Inputs with pull-up resistors

-200

-100

mA

Operating

IDD3.3OP

CL = 0 pF; 66.8 MHz

100

160

mA

Supply Current

Input frequency

Fi

VDD = 3.3 V;

14.318

MHz

Input Capacitance

1

CIN

Logic Inputs

5

pF

CINX

X1 & X2 pins

27

36

45

pF

Transition Time

1

Ttrans

To 1st crossing of target Freq.

2

ms

Settling Time

1

Ts

From 1st crossing to 1% target Freq.

ms

Clk Stabilization

1

TSTAB

From VDD = 3.3 V to 1% target Freq.

2

ms

Skew

1

TCPU-SDRAM1 VT = 1.5 V; SDRAM Leads

-500

200

500

ps

TCPU-PCI1

VT = 1.5 V; CPU Leads

12.8

4

ns

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

Electrical Characteristics - Input/Supply/Common Output Parameters

TA = 0 - 70C; Supply Voltage VDD = 3.3 V +/-5%, VDDL = 2.5 V +/-5% (unless otherwise stated)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Operating

IDD2.5OP

CL = 0 pF; 66.8 MHz

10

20

mA

Supply Current

TCPU-SDRAM2 VT = 1.5 V; VTL = 1.25 V; SDRAM Leads

-500

200

500

ps

TCPU-PCI2

VT = 1.5 V; VTL = 1.25 V; CPU Leads

12.7

4

ns

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

Skew

1

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