W83194BR-S 데이터 시트보기 (PDF) - Winbond

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W83194BR-S

200MHZ 2-DIMM CLOCK FOR SOLANO CHIPSET

Winbond 

W83194BR-S

PRELIMINARY

4.1 Crystal I/O

SYMBOL

Xin

Xout

PIN

I/O

FUNCTION

3

IN Crystal input with internal loading capacitors(36pF)

and feedback resistors.

4

OUT Crystal output at 14.318MHz nominally with internal

loading capacitors(36pF).

4.2 CPU, SDRAM, PCI, IOAPIC Clock Outputs

SYMBOL

CPUCLK [0:1]

PD#/RESET$

IOAPIC

SDRAM [ 0:8]

PCICLK0/ *FS0

PCICLK1/ FS1#

PCICLK2/ *FS2

PCICLK3/MODE1*

PCICLK [ 4:6 ]

3V66 [0:2]

PIN

45,44

29

47

41,40,

39,37,36,35,33

,32,31

11

12

13

15

16,18,19

7,8,9

I/O

OUT

IN

OUT

OUT

I/O

I/O

I/O

I/O

OUT

OUT

FUNCTION

Low skew (< 250ps) clock outputs for host

frequencies such as CPU and Chipset.

Pin16 *Mode1=1, Power Down mode when driven

low.

Pin16 *Mode1=0, RESET# output (4ms low active

pulse when Watch Dog time out)

Clock outputs synchronous with PCI clock and

powered by VddA.

SDRAM clock outputs.

3.3V 33MHz PCI clock during normal operation.

Latched input for FS0 at initial power up for H/W

selecting the output frequency of CPU, SDRAM and

PCI clocks(Default=1).

Low skew (< 250ps) PCI clock outputs.

Latched input for FS1 at initial power up for H/W

selecting the output frequency of CPU, SDRAM and

PCI clocks(Default=0).

Low skew (< 250ps) PCI clock outputs.

Latched input for FS2 at initial power up for H/W

selecting the output frequency of CPU, SDRAM and

PCI clocks(Default=1).

PCI clock during normal operation.

Latched Input. *Mode1=1, Pin 29 is PD#; *Mode1=0,

Pin 29 is RESET$

Low skew (< 250ps) PCI clock outputs.

3.3V output clocks for the chipset.

-3-

Publication Release Date: June 2000

Revision

0.42

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