參數(shù)資料
型號(hào)： CY28405OC
廠商： CYPRESS SEMICONDUCTOR CORP
元件分類(lèi)： XO, clock
英文描述： CK409-Compliant Clock Synthesizer
中文描述： 200.9 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48
封裝： SSOP-48
文件頁(yè)數(shù)： 1/19頁(yè)
文件大?。?/td> 259K
代理商： CY28405OC
CK409-Compliant Clock Synthesizer
CY28405
Cypress Semiconductor Corporation
Document #: 38-07512 Rev. *B
3901 North First Street
San Jose
,
CA 95134
408-943-2600
Revised June 16, 2004
Features
Supports Intel
Springdale/Prescott (CK409)
Selectable CPU frequencies
3.3V power supply
Nine copies of PCI clock
Four copies 3V66 clock with one optional VCH
Two copies 48-MHz USB clock
Two copies REF clock
Three differential CPU clock pairs
Dial-A-Frequency
Supports SMBus/I
2
C Byte, Word, and Block Read/Write
Ideal Lexmark Spread Spectrum profile for maximum
electromagnetic interference (EMI) reduction
48-pin SSOP package
CPU
x 3
3V66
x 4
PCI
x 9
REF
x 2
48M
x 2
Block Diagram
Pin Configuration
~
VDD_REF
REF[0:1]
XTAL
OSC
PLL Ref Freq
XOUT
XIN
VDD_PCI
PCIF[0:2]
SCLK
PLL 1
WD
Timer
VDD_48MHz
DOT_48
USB_48
SDATA
VDD_3V66
3V66_[0:2]
Divider
Network
VDD_CPU
CPUT[0:1,ITP], CPUC[0:1,ITP]
FS_[A:E]
VTT_PWRGD#
PD#
IREF
PCI[0:5]
3V66_3/VCH
2
PLL2
I
2
C
Logic
RESET#
SELVCH
MODE
SSOP-48
**FS_A/REF_0
**FS_B/REF_1
VDD_REF
XIN
XOUT
*FS_D/PCIF1
*FS_E/PCIF2
VDD_PCI
VSS_PCI
PCI0
PCI1
PCI2
PCI3
VDD_PCI
VSS_PCI
PCI4
PCI5
RESET#/PD#
DOT_48
USB_48
VSS_48
VDD_48
VDDA
VSSA
IREF
VDD
VTT_PWRGD#
DNC***
DNC***
VSS
CPUT0
CPUC0
VDD_CPU
CPUT1
CPUC1
VSS_CPU
CPUT_ITP
CPUC_ITP
SCLK
3V66_0
3V66_1
VSS_3V66
SDATA
VDD_3V66
3V66_2/MODE*
3V66_3/VCH/SELVCH**
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
C
** 150k Internal Pull-down
*** Do Not Connect
* 150k Internal Pull-up
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CY28405OC-2 制造商:SPECTRALINEAR 制造商全稱(chēng):SPECTRALINEAR 功能描述:Clock Synthesizer with Differential SRC and CPU Outputs
CY28405OC-2T 制造商:Rochester Electronics LLC 功能描述:FTG FOR INTEL 865 AND 875 CHIPSETS (CK409) - Bulk
CY28405OC-3 制造商:Rochester Electronics LLC 功能描述:CLOCK SYNTHESIZER WITH DIFFERENTIAL SRC & CPU OUT - Bulk
CY28405OC-3T 制造商:Rochester Electronics LLC 功能描述:CLOCK SYNTHESIZER WITH DIFFERENTIAL SRC & CPU OUT - Bulk
CY28405OCT 制造商:SPECTRALINEAR 制造商全稱(chēng):SPECTRALINEAR 功能描述:CK409-Compliant Clock Synthesizer
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