ICS932S825 Datasheet, PDF (3/20 Pages) Integrated Circuit Systems – Low Power Clock Chip for Serverworks HT2400 Servers

ICS932S825
Pin Description (continued)
PIN #
PIN NAME
33 PCIeC_L4
34 PCIeT_L4
35 GND
36 VDDPCIe
37 PCIeC_L5
38 PCIeT_L5
39 PCIeC_L6
40 PCIeT_L6
41 GND
42 CPUK8GC_L0
43 CPUK8GT_L0
44 CPUK8GC_L1
45 CPUK8GT_L1
46 GND
47 VDDCPU
48 CPUK8GC_L2
49 CPUK8GT_L2
50 CPUK8GC_L3
51 CPUK8GT_L3
52 CPUK8GC_L4
53 CPUK8GT_L4
54 GND
55 VDDCPU
56 CPUK8GC_L5
57 CPUK8GT_L5
58 CPUK8GC_L6
59 CPUK8GT_L6
60 SPREAD_EN
61 GND25MHz
62 25MHz_1_2x
63 FS0/25MHz_0_2x
64 VDD25MHz
TYPE
OUT
OUT
PWR
PWR
OUT
OUT
OUT
OUT
PWR
OUT
OUT
OUT
OUT
PWR
PWR
OUT
OUT
OUT
OUT
OUT
OUT
PWR
PWR
OUT
OUT
OUT
OUT
IN
PWR
OUT
I/O
PWR
DESCRIPTION
Complement clock of 0.8V differential push-pull PCI_Express pair. (no
50ohm resistor to GND needed)
True clock of 0.8V differential push-pull PCI_Express pair (no 50ohm
resistor to GND needed)
Ground pin.
Power supply for PCI Express clocks, nominal 3.3V
Complement clock of 0.8V differential push-pull PCI_Express pair. (no
50ohm resistor to GND needed)
True clock of 0.8V differential push-pull PCI_Express pair (no 50ohm
resistor to GND needed)
Complement clock of 0.8V differential push-pull PCI_Express pair. (no
50ohm resistor to GND needed)
True clock of 0.8V differential push-pull PCI_Express pair (no 50ohm
resistor to GND needed)
Ground pin.
Complementary signal of low-power differential push-pull AMD K8
"Greyhound" clock
True signal of low-power differential push-pull AMD K8 "Greyhound" clock
Complementary signal of low-power differential push-pull AMD K8
"Greyhound" clock
True signal of low-power differential push-pull AMD K8 "Greyhound" clock
Ground pin.
Supply for CPU clocks, 3.3V nominal
Complementary signal of low-power differential push-pull AMD K8
"Greyhound" clock
True signal of low-power differential push-pull AMD K8 "Greyhound" clock
Complementary signal of low-power differential push-pull AMD K8
"Greyhound" clock
True signal of low-power differential push-pull AMD K8 "Greyhound" clock
Complementary signal of low-power differential push-pull AMD K8
"Greyhound" clock
True signal of low-power differential push-pull AMD K8 "Greyhound" clock
Ground pin.
Supply for CPU clocks, 3.3V nominal
Complementary signal of low-power differential push-pull AMD K8
"Greyhound" clock
True signal of low-power differential push-pull AMD K8 "Greyhound" clock
Complementary signal of low-power differential push-pull AMD K8
"Greyhound" clock
True signal of low-power differential push-pull AMD K8 "Greyhound" clock
Asynchronous, active high input to enable spread spectrum functionality.
Ground pin for the 25Mhz outputs
25MHz clock output, 3.3V. Default 2 load drive
Frequency select latch input pin / Fixed 25MHz 3.3V clock output. Default 2
load drive
Power supply for 25MHz clocks, 3.3V nominal.
1276D—10/25/07
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