w83194br-138 Winbond Electronics Corp America, w83194br-138 Datasheet - Page 3

• Manufacturer Part Number: w83194br-138
• Description: 200mhz Clock For Solano Chipset
• Manufacturer: Winbond Electronics Corp America

4.1 Crystal I/O
Xin
Xout
4.2 CPU, SDRAM, PCI, IOAPIC Clock Outputs
CPUCLK [0:1]
PD#/ RESET$
IOAPIC
SDRAM_F,
SDRAM[0:7]
PCICLK0/ *FS0
PCICLK1/ FS1&
PCICLK2/ Mode1*
PCICLK [ 3:6 ]
3V66 [0:2]
SYMBOL
SYMBOL
31,32,33,35,36
,37,39,40,41
16,17,19,20
45,44
7,8,9
PIN
PIN
22
47
12
13
15
3
4
OUT
OUT
I/OD
OUT
OUT
OUT
OUT
I/O
I/O
I/O
I/O
I/O
IN
- 3 -
Crystal input with internal loading capacitors(36pF)
and feedback resistors.
Crystal output at 14.318MHz nominally with internal
loading capacitors(36pF).
Low skew (< 250ps) clock outputs for host
frequencies such as CPU and Chipset.
If Mode1*=1, Power Down mode when driven low.
If Mode1*=0, 4ms pulse RESET# (open drain) when
Watch dog timer time out
Clock outputs synchronous with PCI clock and
powered by VddA.
SDRAM clock outputs.
3.3V 33MHz PCI clock during normal operation.
Latched input for FS0 at initial power up for H/W
selecting the output frequency of CPU, SDRAM and
PCI clocks(Default=1).
Low skew (< 250ps) PCI clock outputs.
Latched input for FS1 at initial power up for H/W
selecting the output frequency of CPU, SDRAM and
PCI clocks(Default=0).
Low skew (< 250ps) PCI clock outputs.
Latched input for Mode1* pin at initial power up for
the output PD#/RESET# output selection.
Low skew (< 250ps) PCI clock outputs.
3.3V output clocks for the chipset.
Publication Release Date: May 2000
FUNCTION
FUNCTION
W83194BR-138
PRELIMINARY
Revision 0.37