w83194r-81 Winbond Electronics Corp America, w83194r-81 Datasheet - Page 5

• Manufacturer Part Number: w83194r-81
• Description: 100mhz Clock Chipset
• Manufacturer: Winbond Electronics Corp America

5.5 Power Pins
Vdd
Vddq2
Vddq2b
Vddq3
Vddq4
Vss
6.0 FREQUENCY SELECTION BY HARDWARE
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
SD_SEL
SYMBOL
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
FS2
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
FS1
3,9,16,22,27,
19, 30, 36
33,39,45
6,14
PIN
48
42
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
FS0
66.70
90
95.25
100.2
100
112
124
133.3
66.8
75
83.3
95.25
100.2
112
124
133.3
- 5 -
Power supply for REF0 crystal and core logic.
Power supply for REF1,IOAPIC output, 2.5V.
Power supply for REF2, CPUCLK[0:2], either 2.5V or
3.3V.
Power supply for SDRAM and 48/24MHz outputs.
Power supply for PCICLK outputs.
Circuit Ground.
(MHz)
CPU
100.05
90
63.4
66.8
75
74.7
82.7
88.9
66.8
75
83.3
95.25
100.2
112
124
133.3
SDRAM
(MHz)
Publication Release Date: Dec. 1998
FUNCTION
33.35
30
31.7
33.4
30
37.3
31
33.3
33.4
30
33.32
31.7
33.4
37.3
31
33.3
(MHz)
PCI
W83194R-81
PRELIMINARY
REF (MHz)
IOAPIC
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
Revision 0.20