W83195BR-101 查看數據表（PDF） - Winbond

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W83195BR-101

Winbond Clock Generator For Intel 915/925 Chipsets

Winbond 

W83195BR/G-101

STEPLESS FOR INTEL 915/925 CHIPSETS

5.5 Power Management Pins

PIN

PIN NAME

TYPE

39

IREF

OUT

DESCRIPTION

Deciding the reference current for the differential pairs.

The pin was connected to the precision resistor tied to

ground to decide the appropriate current; 475 ohm is

the standard value.

VTT_PWRGD#

17

PD

IN

Power good is a low active input signal used to

determine when FS [4:0] are valid to be sample.

Power Down Function. This is power down pin, high

INtd120k active (PD).

Internal 120K pull down

5.6 Power Pins

PIN

PIN NAME

37

VDDA

1,7

VDDP

21,28,34

VDDS

11

VDD48

42

VDDC

48

VDDR

38

GNDA

2,6,13,29,45,51 GND

TYPE

PWR

PWR

PWR

PWR

PWR

PWR

PWR

PWR

DESCRIPTION

3.3V power supply for PLL core.

3.3V power supply for PCI.

3.3V power supply for SRC pair.

3.3V power supply for 48MHz.

3.3V power supply for CPU.

3.3V power supply for REF.

Ground pin for PLL core.

Ground pin

-6-

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