ICS932S801AFLF Datasheet, PDF (2/20 Pages) List of Unclassifed Manufacturers – K8 Clock Chip for Serverworks GC-HT 2-Way Servers

ICS932S801
Pin Descriptions
PIN #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
PIN NAME
X1
X2
VDD48
48MHz_0
48MHz_1
GND
SCLK
SDATA
VDDHTT
HTTCLK0
HTTCLK1
HTTCLK2
HTTCLK3
GNDHTT
VDDPCI
PCICLK0
PCICLK1
PCICLK2
PCICLK3
GNDPCI
21 PD#
22 VDDA
23 GNDA
24 IREF
25 SRCCLKC0
26 SRCCLKT0
27 VDDSRC
28 GNDSRC
29 SPREAD_EN
30 CPUCLK8C3
31 CPUCLK8T3
32 GNDCPU
33 VDDCPU
34 CPUCLK8C2
35 CPUCLK8T2
36 GNDCPU
37 VDDCPU
38 CPUCLK8C1
39 CPUCLK8T1
40 GNDCPU
41 VDDCPU
42 CPUCLK8C0
43 CPUCLK8T0
44 GND
45 FS2
46 FS1/REF1
47 FS0/REF0
48 VDDREF
0959C—03/13/06
PIN TYPE
DESCRIPTION
IN Crystal input, Nominally 14.318MHz.
OUT Crystal output, Nominally 14.318MHz
PWR Power pin for the 48MHz output.3.3V
OUT 48MHz clock output.
OUT 48MHz clock output.
PWR Ground pin.
I/O Clock pin of SMBus circuitry, 5V tolerant.
I/O Data pin for SMBus circuitry, 5V tolerant.
PWR Supply for HTT clocks, nominal 3.3V.
OUT 3.3V Hyper Transport output
OUT 3.3V Hyper Transport output
OUT 3.3V Hyper Transport output
OUT 3.3V Hyper Transport output
PWR Ground pin for the HTT outputs
PWR Power supply for PCI clocks, nominal 3.3V
OUT PCI clock output.
OUT PCI clock output.
OUT PCI clock output.
OUT PCI clock output.
PWR Ground pin for the PCI outputs
IN ^{Asynchronous active low input pin used to power down the device. The internal}
clocks are disabled and the VCO and the crystal are stopped.
PWR 3.3V power for the PLL core.
OUT Ground pin for the PLL core.
This pin establishes the reference current for the differential current-mode output
OUT pairs. This pin requires a fixed precision resistor tied to ground in order to establish
the appropriate current. 475 ohms is the standard value.
OUT Complement clock of differential SRC clock pair.
OUT True clock of differential SRC clock pair.
PWR Supply for SRC clocks, 3.3V nominal
PWR Ground pin for the SRC outputs
IN Asynchronous, active high input to enable spread spectrum functionality.
OUT Complementary clock of differential 3.3V push-pull K8 pair.
OUT True clock of differential 3.3V push-pull K8 pair.
PWR Ground pin for the CPU outputs
PWR Supply for CPU clocks, 3.3V nominal
OUT Complementary clock of differential 3.3V push-pull K8 pair.
OUT True clock of differential 3.3V push-pull K8 pair.
PWR Ground pin for the CPU outputs
PWR Supply for CPU clocks, 3.3V nominal
OUT Complementary clock of differential 3.3V push-pull K8 pair.
OUT True clock of differential 3.3V push-pull K8 pair.
PWR Ground pin for the CPU outputs
PWR Supply for CPU clocks, 3.3V nominal
OUT Complementary clock of differential 3.3V push-pull K8 pair.
OUT True clock of differential 3.3V push-pull K8 pair.
PWR Ground pin.
IN Frequency select pin.
I/O Frequency select latch input pin / 14.318 MHz reference clock.
I/O Frequency select latch input pin / 14.318 MHz reference clock.
PWR Ref, XTAL power supply, nominal 3.3V
2