W83194R-KX Winbond, W83194R-KX Datasheet - Page 3

• Manufacturer Part Number: W83194R-KX
• Description: 133MHZ 3-DIMM K7 CLOCK
• 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, IOAPIC Clock Outputs
CPUT_CS
CPU_C0
CPU_T0
SYMBOL
SYMBOL
CPU_STOP#/REF0
pull-up
PCICLK0/MODE*
PCICLK1/FS1*
BUFFER IN
SDRAM11
SDRAM10
SDRAM 9
SDRAM 8
PCICLK3
PCICLK4
PCICLK5
PCICLK2
SDCLK*
SDATA*
Vddq3
Vddq3
Vddq3
Vddq3
Xout
Vss
Vss
Vss
Vss
Xin
PIN
PIN
4
5
46
44
43
14
16
21
10
11
12
13
15
17
18
19
20
22
23
24
7
1
2
3
4
5
6
8
9
OUT
I/O
IN
OD
I/O
- 3 -
Crystal input with internal loading capacitors and
feedback resistors.
Crystal output at 14.318MHz nominally.
CPU_C0 and CPU_T0 are the differential open drain
CPU clocks for K7. CPUT_CS is the open drain pin
for the chipset. It has the same phase relationship as
CPU_T0.
33
32
31
30
29
28
27
26
25
48
47
46
45
43
42
41
40
39
38
37
36
35
34
44
REF1/FS0*
SDRAM12
SDRAM 0
SDRAM 1
48MHz/FS2*
24_48MHz/FS3*
Vss
CPUT_CS
CPUC0
PD#
Vss
SDRAM 2
SDRAM 3
SDRAM 4
SDRAM 5
Vddq3
SDRAM 6
SDRAM 7
Vddq3
Vss
CPUT0
VddQ2
Vddq3
Vss
Publication Release Date: Nov. 1999
FUNCTION
FUNCTION
W83194R-KX
PRELIMINARY
Revision 0.35