W83194BR-640 Просмотр технического описания (PDF) - Winbond

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W83194BR-640

166MHZ CLOCK FOR SIS CHIPSET

Winbond 

3. PIN CONFIGURATION

VddR

1

REF0^/ &FS0

2

REF1^/ &FS1

3

Vss

4

Vssosc

5

Xin

6

Xout

7

Vss

8

PCICLK_F^/ &FS2

9

PCICLK1^/ &FS3

10

VddP

11

PCICLK2^

12

PCICLK3^

13

Vss

14

PCICLK4^

15

PCICLK5^

16

VddAGP

17

AGPCLK0

18

AGPCLK1

19

VssAGP

20

Vdd48

21

48MHz^

22

24_48MHz#/&AGPSEL

23

Vss

24

* : pull-up 120K

&: pull-down 120K

^ : double strength

# :input active low

$ :open drain

W83194BR-640

48

VddAPIC

47

IOAPIC0

46

Vss

45

VddC

44

CPUCLK0T

43

CPUCLK0C

42

Vss

41

VddC

40

CPUCLK1T

39

Vss

38

Reserved

37

RESET#

36

VddSD

35

SDRAM_out

34

VssD

33

PCI_STOP#

32

CPU_STOP#

31

PD#

30

SDRAM_STOP#

29

AGP_STOP#

28

SDATA*

27

SDCLK*

26

Vss

25

Vdd

4. PIN DESCRIPTION

IN - Input

OUT - Output

I/O - Bi-directional Pin

# - Active Low

* - Internal 120kΩ pull-up

4.1 Crystal I/O

SYMBOL

PIN

Xin

6

Xout

7

I/O

IN

OUT

FUNCTION

Crystal input with internal loading capacitors and

feedback resistors.

Crystal output at 14.318MHz nominally.

Publication Release Date: April. 2001

-3-

Revision 1.0

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