6

Integrated

Circuit

Systems, Inc.

ICS9LPRS545

Datasheet

1479A—07/28/09

Electrical Characteristics - Input/Supply/Common Output DC Parameters

PARAMETER

SYMBOL

CONDITIONS

MIN

MAX

UNITS

Notes

Ambient Operating Temp

Tambient

-

0

70

°C

Supply Voltage

VDDxxx

Supply Voltage

3.135

3.465

V

Supply Voltage

VDDxxx_IO

Low-Voltage Differential I/O Supply

0.9975

3.465

V

10

Input High Voltage

Single-ended 3.3V inputs

2

V

3

Input Low Voltage

Single-ended 3.3V inputs

0.8

V

3

Low Threshold Input- High Voltage

3.3 V +/-5%

2

VDD + 0.3

V

8

Low Threshold Input- FSC = '1' Voltage

3.3 V +/-5%

0.7

1.5

V

8

Low Threshold Input- FSA,FSB = '1'

Voltage

3.3 V +/-5%

0.7

VDD+0.3

V

Low Threshold Input-Low Voltage

3.3 V +/-5%

0.35

V

Input Leakage Current

-5

5

uA

2

Input Leakage Current

Inputs with pull up or pull down resistors

-200

200

uA

Output High Voltage

2.4

V

1

Output Low Voltage

0.4

V

1

125

mA

50

mA

10

M1 mode, 3.3V Rail

40

mA

M1 Mode, IO Rail

10

mA

Power down mode, 3.3V Rail

5

mA

Power down mode, IO Rail

0.1

mA

10

Input Frequency

15

MHz

Pin Inductance

7

nH

Logic Inputs

1.5

5

pF

Output pin capacitance

6

pF

X1 & X2 pins

6

pF

Clk Stabilization

From VDD Power-Up or de-assertion of PD to 1st

clock

1.8

ms

Tdrive_CR_off

Output stop after CR deasserted

400

ns

Tdrive_CR_on

Output run after CR asserted

0

us

Tdrive_CPU

CPU output enable after

PCI_STOP# de-assertion

10

ns

Tfall_SE

10

ns

Trise_SE

10

ns

SMBus Voltage

2.7

5.5

V

Low-level Output Voltage

0.4

V

SMB Data Pin

4

mA

SCLK/SDATA

Clock/Data Rise Time

(Max VIL - 0.15) to

(Min VIH + 0.15)

1000

ns

SCLK/SDATA

Clock/Data Fall Time

(Min VIH + 0.15) to

(Max VIL - 0.15)

300

ns

Maximum SMBus Operating Frequency

100

kHz

Spread Spectrum Modulation Frequency

Triangular Modulation

30

33

kHz

Operating Supply Current

iAMT Mode Current

Powerdown Current

Input Capacitance

Fall/rise time of all 3.3V control inputs from 20-80%

NOTES on Input/Supply/Common Output DC Parameters: (unless otherwise noted, guaranteed by design and characterization, not 100% tested in production).