W83194R Winbond Electronics Corp America, W83194R Datasheet - Page 6

• Manufacturer Part Number: W83194R
• Description: Description = 166MHz SiS540/630 Clock Gen., 3-DIMM, With S.S.T. ;; Package = Ssop 48
• 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
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.
- 6 -
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)
VDDLCPU = 2.5V
VDDLCPU = 3.3V
Publication Release Date:May. 2000
FUNCTION
CPU Operate at
W83194R-630A
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 1.0