w83194r-630a Winbond Electronics Corp America, w83194r-630a Datasheet - Page 5

• Manufacturer Part Number: w83194r-630a
• Description: 166mhz Clock For Sis Chipset
• Manufacturer: Winbond Electronics Corp America

5.5 Power Pins
Vdd
VddLCPU
VddP
VddSD
Vss
6. FREQUENCY SELECTION BY HARDWARE
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
7. SEL3.3_2.5# BUFFER SELECTION
FS3
SEL3.3_2.5# ( Pin 25 ) Input Level
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
1
0
3,10,16,22,33,39,44 Circuit Ground.
19,27,30,36,42
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
FS0
6,15
PIN
47
1
66.8
100.2
83.3
133.6
75
100.2
100.2
133.6
66.8
97
97
95.2
140
112
96.2
166
(MHz)
CPU
- 5 -
Power supply for REF crystal and core logic.
Power supply for CPUCLK_F and CPUCLK[0:1], either
2.5V or 3.3V.
Power supply for PCI outputs.
Power supply for SDRAM and 48/24NHz outputs.
100.2
100.2
83.3
100.2
75
133.6
150.3
133.6
66.8
97
129.3
95.2
140
112
96.2
166
SDRAM
(MHz)
33.4
33.4
33.2
33.4
37.5
33.4
33.4
33.4
33.4
32.3
32.3
31.7
35
37.3
32.1
33.3
PCI (MHz)
Publication Release Date: Nov. 1999
VDDLCPU = 2.5V
VDDLCPU = 3.3V
FUNCTION
CPU Operate at
W83194R-630A
REF (MHz)
PRELIMINARY
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 0.65