932S805CGLF IDT [Integrated Device Technology], 932S805CGLF Datasheet - Page 4

• Manufacturer Part Number: 932S805CGLF
• Description: K8 Clock Chip for Serverworks HT2100 Servers
• Manufacturer: IDT [Integrated Device Technology]

General Description
The ICS932S805 is a main clock synthesizer chip that, when paired with ICS9DB108, provides all clocks required by
Serverworks HT2100-based servers.
An SMBus interface allows full control of the device.
Block Diagram
IDT
Single-ended Terminations
Output Strength
ICS932S805C
K8 Clock Chip for Serverworks HT2100 Servers
48MHz 1 Load
48MHz 2 Load
25MHz 1 Load
25MHz 2 Load
Single-ended
®
REF 1 Load
REF 2 Load
PCI 1 Load
PCI 2 Load
K8 Clock Chip for Serverworks HT2100 Servers
SPREAD_EN
FS(3:0)
SDATA
SCLK
PD#
X1
X2
Loads on Board
Number of
1
2
1
2
1
2
1
2
CONTROL
LOGIC
XTAL
OSC.
Zo = 50 ohms Zo = 55 ohms Zo = 60 ohms
Series Resistor for Proper Termination
4.7
4.7
4.7
4.7
15
15
15
15
25MHz PLL
FIXED PLL
CPU/SRC/
PCI PLL
24
15
24
15
24
15
24
15
4
PCI33
CPU
SRC
DIV1
25M
DIV
DIV
DIV
30
20
30
20
30
20
30
20
CPUCLK8(6:0)
PCICLK(1:0)
SRCCLK(5:0)
48MHz(2:0)
25MHz(1:0)
1131D – 05/04/10