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932S805CGLF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P19
ICS932S805C
IDT
®
K8 Clock Chip for Serverworks HT2100 Servers 1131D – 05/04/10
K8 Clock Chip for Serverworks HT2100 Servers
DATASHEET
1
Recommended Application:
Output Features:
Serverworks HT2100-based systems using AMD K8
processors
• 7 - Pairs of AMD K8 clocks
• 6 - Pair of SRC/PCI Express* clock
• 3 - 14.318 MHz REF clocks
• 3 - 48MHz clocks
• 2 - PCI 33 MHz clocks
• 2 - 25MHz clocks
• Spread Spectrum for EMI reduction
• Outputs may be disabled via SMBus
• M/N programming via SMBus
Features:
Pin Configuration:
X1 1 64 VDD25MHz
X2 2 63 25MHz_0
VDDREF 3 62 25MHz_1
FS0/REF0 4 61 GND25MHz
FS1/REF1 5 60 SPREAD_EN
FS2/REF2 6 59 CPUCLK8T6
GNDREF 7 58 CPUCLK8C6
VDD48 8 57 CPUCLK8T5
48MHz_0 9 56 CPUCLK8C5
48MHz_1 10 55 VDDCPU
48MHz_211 54GND
GND4812 53CPUCLK8T4
SCLK 13 52 CPUCLK8C4
SDATA 14 51 CPUCLK8T3
VDDPCI 15 50 CPUCLK8C3
**FS3/PCICLK0 16 49 VDDCPU
PCICLK117 48GND
GNDPCI 18 47 CPUCLK8T2
PD# 19 46 CPUCLK8C2
GND 20 45 CPUCLK8T1
VDDA 21 44 CPUCLK8C1
GNDA 22 43 CPUCLK8T0
IREF 23 42 CPUCLK8C0
VDDA 24 41 VDDCPU
SRCCLKT0 25 40 GND
SRCCLKC0 26 39 VDDSRC
SRCCLKT1 27 38 SRCCLKT5
SRCCLKC1 28 37 SRCCLKC5
SRCCLKT2 29 36 SRCCLKT4
SRCCLKC2 30 35 SRCCLKC4
VDDSRC 31 34 SRCCLKT3
GNDSRC 32 33 SRCCLKC3
64-TSSOP
* Internal Pull-Up Resistor
** Internal Pull-Down Resistor
932S805
VDD GND
8 12 48MHz Clocks
64 61 25MHz Clocks
15 18 33 MHz PCI Clocks
21,24 22 IREF, Analog Core
31, 39 32 SRC clocks
55, 49, 41 54, 48, 40 K8 CPU Clocks
3 7 REF Clocks, Xtal Osc.
Pin Number
Description
Functionality
Power Groups
Bit2
FS2
Bit1
FS1
Bit0
FS0
CPU
(MHz)
000 Hi-Z
001 X/4
0 1 0 180.00
0 1 1 220.00
1 0 0 100.00
1 0 1 133.33
1 1 0 166.67
1 1 1 200.00
ICS932S805C
K8 Clock Chip for Serverworks HT2100 Servers
2
IDT
®
K8 Clock Chip for Serverworks HT2100 Servers 1131D – 05/04/10
Pin Description
PIN # PIN NAME TYPE DESCRIPTION
1 X1 IN Crystal input, Nominally 14.318MHz.
2 X2 OUT Crystal output, Nominally 14.318MHz
3 VDDREF PWR Ref, XTAL power supply, nominal 3.3V
4 FS0/REF0 I/O Frequency select latch input pin / 14.318 MHz reference clock.
5 FS1/REF1 I/O Frequency select latch input pin / 14.318 MHz reference clock.
6 FS2/REF2 I/O Frequency select latch input pin / 14.318 MHz reference clock.
7 GNDREF PWR Ground pin for the REF outputs.
8 VDD48 PWR Power pin for the 48MHz output.3.3V
9 48MHz_0 OUT 48MHz clock output.
10 48MHz_1 OUT 48MHz clock output.
11 48MHz_2 OUT 48MHz clock output.
12 GND48 PWR Ground pin for the 48MHz outputs
13 SCLK IN Clock pin of SMBus circuitry, 5V tolerant.
14 SDATA I/O Data pin for SMBus circuitry, 3.3V tolerant.
15 VDDPCI PWR Power supply for PCI clocks, nominal 3.3V
16 **FS3/PCICLK0 I/O Frequency select latch input pin / 3.3V PCI clock output.
17 PCICLK1 OUT PCI clock output.
18 GNDPCI PWR Ground pin for the PCI outputs
19 PD# 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.
20 GND PWR Ground pin.
21 VDDA PWR 3.3V power for the PLL core.
22 GNDA PWR Ground pin for the PLL core.
23 IREF OUT
This pin establishes the reference current for the differential current-mode
output pairs. This pin requires a fixed precision resistor tied to ground in
order to establish the appropriate current. 475 ohms is the standard value.
24 VDDA PWR 3.3V power for the PLL core.
25 SRCCLKT0 OUT True clock of differential SRC clock pair.
26 SRCCLKC0 OUT Complement clock of differential SRC clock pair.
27 SRCCLKT1 OUT True clock of differential SRC clock pair.
28 SRCCLKC1 OUT Complement clock of differential push-pull SRC clock pair.
29 SRCCLKT2 OUT True clock of differential SRC clock pair.
30 SRCCLKC2 OUT Complement clock of differential SRC clock pair.
31 VDDSRC PWR Supply for SRC clocks, 3.3V nominal
32 GNDSRC PWR Ground pin for the SRC outputs
ICS932S805C
K8 Clock Chip for Serverworks HT2100 Servers
3
IDT
®
K8 Clock Chip for Serverworks HT2100 Servers 1131D – 05/04/10
PIN # PIN NAME TYPE DESCRIPTION
33 SRCCLKC3 OUT Complement clock of differential SRC clock pair.
34 SRCCLKT3 OUT True clock of differential SRC clock pair.
35 SRCCLKC4 OUT Complement clock of differential SRC clock pair.
36 SRCCLKT4 OUT True clock of differential SRC clock pair.
37 SRCCLKC5 OUT Complement clock of differential SRC clock pair.
38 SRCCLKT5 OUT True clock of differential SRC clock pair.
39 VDDSRC PWR Supply for SRC clocks, 3.3V nominal
40 GND PWR Ground pin.
41 VDDCPU PWR Supply for CPU clocks, 3.3V nominal
42 CPUCLK8C0 OUT Complementary clock of differential 0.8V push-pull K8 pair.
43 CPUCLK8T0 OUT True clock of differential 0.8V push-pull K8 pair.
44 CPUCLK8C1 OUT Complementary clock of differential 0.8V push-pull K8 pair.
45 CPUCLK8T1 OUT True clock of differential 0.8V push-pull K8 pair.
46 CPUCLK8C2 OUT Complementary clock of differential 0.8V push-pull K8 pair.
47 CPUCLK8T2 OUT True clock of differential 0.8V push-pull K8 pair.
48 GND PWR Ground pin.
49 VDDCPU PWR Supply for CPU clocks, 3.3V nominal
50 CPUCLK8C3 OUT Complementary clock of differential 0.8V push-pull K8 pair.
51 CPUCLK8T3 OUT True clock of differential 0.8V push-pull K8 pair.
52 CPUCLK8C4 OUT Complementary clock of differential 0.8V push-pull K8 pair.
53 CPUCLK8T4 OUT True clock of differential 0.8V push-pull K8 pair.
54 GND PWR Ground pin.
55 VDDCPU PWR Supply for CPU clocks, 3.3V nominal
56 CPUCLK8C5 OUT Complementary clock of differential 0.8V push-pull K8 pair.
57 CPUCLK8T5 OUT True clock of differential 0.8V push-pull K8 pair.
58 CPUCLK8C6 OUT Complementary clock of differential 0.8V push-pull K8 pair.
59 CPUCLK8T6 OUT True clock of differential 0.8V push-pull K8 pair.
60 SPREAD_EN IN Asynchronous, active high input to enable spread spectrum functionality.
61 GND25MHz PWR Ground pin for the 25Mhz outputs
62 25MHz_1 OUT 25MHz clock output, 3.3V
63 25MHz_0 OUT 25MHz clock output, 3.3V
64 VDD25MHz PWR Power supply for 25MHz clocks, 3.3V nominal.
Pin Description (continued)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P19

932S805CGLF

Mfr. #:
Buy 932S805CGLF
Manufacturer:
IDT
Description:
Clock Synthesizer / Jitter Cleaner SERVER MAIN CLOCK
Lifecycle:
New from this manufacturer.
Delivery:
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