W83194R-39A WINBOND [Winbond], W83194R-39A Datasheet - Page 2

• Manufacturer Part Number: W83194R-39A
• Description: 100MHZ 3-DIMM CLOCK
• Manufacturer: WINBOND [Winbond]

3.0 BLOCK DIAGRAM
BUFFER IN
CPU_STOP#
PCI_STOP#
SDCLK*
SDATA*
2ms power up clock stable time
FS(0:2)*
(mode as Tri-state or Normal )
MODE pin for power Management
One 48 MHz for USB & one 24 MHz for super I/O
48-pin SSOP package
MODE*
¡Ó 0.25% or ¡Ó 0.5% spread spectrum function to reduce EMI
Programmable registers to enable/stop each output and select modes
Xout
Xin
3
PLL2
Spectrum
POR
Spread
PLL1
XTAL
OSC
LATCH
~
6
Control
Config.
W83194R-39
Logic
Reg.
~
4
PCI
Clock
Divider
1/2
STOP
STOP
STOP
STOP
2
13
5
48MHz
24MHz
REF(0:1)
CPUCLK_F
SDRAM(0:12)
IOAPIC
CPUCLK1
PCICLK(0:4)
PCICLK_F
- 2 -
CPU_STOP#
PCI_STOP#
BUFFER IN
SDCLK*
SDATA*
FS(0:3)*
MODE*
Xout
Xin
4
PLL2
Spectrum
POR
Spread
PLL1
XTAL
OSC
LATCH
~
6
Control
Config.
Logic
~
Reg.
W83194R-39A
Publication Release Date: May 1998
4
W83194R-39/-39A
PCI
Clock
Divider
1/2
STOP
STOP
STOP
STOP
PRELIMINARY
2
12
5
Revision 0.20
48MHz
24MHz
IOAPIC
REF(0:1)
CPUCLK_F
CPUCLK1
SDRAM12
SDRAM(0:11)
PCICLK(0:4)
PCICLK_F