W83194R-58A Winbond, W83194R-58A Datasheet - Page 3

• Manufacturer Part Number: W83194R-58A
• Description: 100MHZ AGP CLOCK FOR VIA CHIPSET
• Manufacturer: Winbond

5.0 PIN DESCRIPTION
IN - Input
OUT - Output
I/O - Bi-directional Pin
# - Active Low
* - Internal 250k
5.1 Crystal I/O
Xin
Xout
5.2 CPU, SDRAM, PCI Clock Outputs
CPUCLK [ 0:3 ]
SYMBOL
SYMBOL
CPU_STOP#/SDRAM11
PCI_STOP#/SDRAM10
pull-up
* REF0/CPU3.3#_2.5
PCICLK_F/*FS1
PCICLK0/*FS2
40,41,43,44
SDRAM 9
SDRAM 8
PCICLK2
PCICLK3
PCICLK4
PCICLK1
SDATA
SDCLK
Vddq3
Vddq3
Vddq3
AGP0
PIN
PIN
Vss
Vdd
Vss
Vss
Xout
Vss
4
5
Xin
16
10
11
12
13
14
15
17
18
19
20
21
22
23
24
OUT
OUT
1
2
3
4
6
7
9
5
8
I/O
I/O
IN
- 3 -
Crystal input with internal loading capacitors and
feedback resistors.
Crystal output at 14.318MHz nominally.
Low skew (< 250ps) clock outputs for host
frequencies such as CPU, Chipset and Cache.
Vddq2b is the supply voltage for these outputs.
33
32
31
30
29
28
27
26
25
48
47
46
45
43
42
41
40
39
38
37
36
35
34
44
Publication Release Date: Nov. 1999
FUNCTION
FUNCTION
SDRAM 1
48MHz/*FS0
24MHz/*MODE
Vddq2
CPUCLK2
CPUCLK3
SDRAM 0
SDRAM 2
SDRAM 3
SDRAM 4
SDRAM 5
Vddq3
SDRAM 6
SDRAM 7
Vss
AGP1
REF1/*SD_SEL#
CPUCLK0
Vss
Vddq3
Vss
Vss
CPUCLK1
Vddq2b
W83194R-58A
PRELIMINARY
Revision 0.30