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CY28409ZXCT

Description
Clock Synthesizer / Jitter Cleaner SysClk Intel Grntsdl 865 and 875 chipsets
Categorysemiconductor    Analog mixed-signal IC   
File Size155KB,16 Pages
ManufacturerSilicon Laboratories
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CY28409ZXCT Overview

Clock Synthesizer / Jitter Cleaner SysClk Intel Grntsdl 865 and 875 chipsets

CY28409ZXCT Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerSilicon Laboratories
Product CategoryClock Synthesizer / Jitter Cleaner
RoHSDetails
PackagingCut Tape
PackagingReel
Moisture SensitiveYes
NumOfPackaging2
Factory Pack Quantity2000
Unit Weight0.001764 oz
CY28409
Clock Synthesizer with Differential SRC and CPU Outputs
Features
• Supports Intel
Pentium

4-type CPUs
• Selectable CPU frequencies
• 3.3V power supply
• Ten copies of PCI clocks
• Five copies of 3V66 with one optional VCH
• Two copies 48 MHz USB clocks
CPU
x3
SRC
x1
3V66
x5
PCI
x 10
REF
x2
48M
x2
• Three differential CPU clock pairs
• One differential SRC clock
• I
2
C support with readback capabilities
• Ideal Lexmark Spread Spectrum profile for maximum
EMI reduction
• 56-pin SSOP and TSSOP packages
Block Diagram
XIN
XOUT
CPU_STP#
PCI_STP#
FS_[A:B]
VTT_PWRGD#
IREF
VDD_3V66
3V66_[0:3]
Pin Configuration
VDD_REF
REF0:1
[1]
XTAL
OSC
PLL1
~
PLL Ref Freq
Divider
Network
VDD_CPU
CPUT[0:2], CPUC[0:2]
VDD_SRC
SRCT, SRCC
PLL2
2
VDD_PCI
PCIF[0:2]
PCI[0:6]
3V66_4/VCH
VDD_48MHz
DOT_48
USB_48
PD#
SDATA
SCLK
I
2
C
Logic
REF_0
REF_1
VDD_REF
XIN
XOUT
VSS_REF
PCIF0
PCIF1
PCIF2
VDD_PCI
VSS_PCI
PCI0
PCI1
PCI2
PCI3
VDD_PCI
VSS_PCI
PCI4
PCI5
PCI6
PD#
3V66_0
3V66_1
VDD_3V66
VSS_3V66
3V66_2
3V66_3
SCLK
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
FS_B
VDD_A
VSS_A
VSS_IREF
IREF
FS_A
CPU_STP#
PCI_STP#
VDD_CPU
CPUT2
CPUC2
VSS_CPU
CPUT1
CPUC1
VDD_CPU
CPUT0
CPUC0
VSS_SRC
SRCT
SRCC
VDD_SRC
VTT_PWRGD#
VDD_48
VSS_48
DOT_48
USB_48
SDATA
3V66_4/VCH
56 SSOP/TSSOP
CY28409
Note:
1. Signals marked with [*] and [**] have internal pull-up and pull-down resistors, respectively.
........................ Document #: 38-07445 Rev. *D Page 1 of 16
400 West Cesar Chavez, Austin, TX 78701
1+(512) 416-8500
1+(512) 416-9669
www.silabs.com

CY28409ZXCT Related Products

CY28409ZXCT CY28409OXC CY28409ZXC CY28409AZXC CY28409OC
Description Clock Synthesizer / Jitter Cleaner SysClk Intel Grntsdl 865 and 875 chipsets Clock Synthesizer / Jitter Cleaner SysClk Intel Grntsdl 865 and 875 chipsets Clock Synthesizer / Jitter Cleaner SysClk Intel Grntsdl 865 and 875 chipsets Clock Generators & Support Products SysClk Intel Grntsdl 865 and 875 chipsets Clock Synthesizer / Jitter Cleaner SysClk Intel Grntsdl 865 and 875 chipsets
Product Attribute Attribute Value Attribute Value Attribute Value Attribute Value Attribute Value
Manufacturer Silicon Laboratories Silicon Laboratories Silicon Laboratories Silicon Laboratories Silicon Laboratories
Product Category Clock Synthesizer / Jitter Cleaner Clock Synthesizer / Jitter Cleaner Clock Synthesizer / Jitter Cleaner Clock Generators & Support Products Clock Synthesizer / Jitter Cleaner
RoHS Details Details Details Details Details
Factory Pack Quantity 2000 26 35 35 26
Unit Weight 0.001764 oz 0.001764 oz 0.001764 oz 0.001764 oz 0.001764 oz
Packaging Reel Bulk Bulk Bulk Bulk
NumOfPackaging 2 1 1 - -
Number of Outputs - 2 Output 2 Output - 2 Output
Max Output Freq - 400 MHz 400 MHz - 400 MHz
Maximum Input Frequency - 14.318 MHz (Typ) 14.318 MHz (Typ) - 14.318 MHz (Typ)
Supply Voltage - Max - 3.465 V 3.465 V - 3.465 V
Supply Voltage - Min - 3.135 V 3.135 V - 3.135 V
Minimum Operating Temperature - 0 C 0 C - 0 C
Maximum Operating Temperature - + 70 C + 70 C - + 70 C
Mounting Style - SMD/SMT SMD/SMT - SMD/SMT
Operating Supply Voltage - 3.3 V 3.3 V - 3.3 V
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