參數(shù)資料
型號： CY28405OC
廠商： CYPRESS SEMICONDUCTOR CORP
元件分類： 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
文件頁數(shù)： 17/19頁
文件大?。?/td> 259K
代理商： CY28405OC
CY28405
Document #: 38-07512 Rev. *B
Page 17 of 19
Test and Measurement Set-up
For Differential CPU and SRC Output Signals
The following diagram shows lumped test load configurations
for the differential Host Clock Outputs.
Table 9. Maximum Lumped Capacitive Output Loads
Clock
PCI Clocks
3V66 Clocks
USB Clock
DOT Clock
REF Clock
Max Load
30
30
20
10
30
Units
pF
pF
pF
pF
pF
Table 10.CPU Clock Current Select Function
Board Target Trace/Term Z
50 Ohms
Reference R, I
REF
– V
DD
(3*R
REF
)
R
REF
= 475 1%, I
REF
= 2.32 mA
Output Current
I
OH
= 6*I
REF
V
OH
@ Z
0.7V @ 50
Ordering Information
Part Number
Package Type
Product Flow
Commercial, 0
°
to 70
°
C
Commercial, 0
°
to 70
°
C
CY28405OC
CY28405OCT
Lead Free
CY28405OXC
CY28405OXCT
48-pin Shrunk Small Outline package (SSOP)
48-pin Shrunk Small Outline package (SSOP) – Tape and Reel
48-pin Shrunk Small Outline package (SSOP)
48-pin Shrunk Small Outline package (SSOP) – Tape and Reel
Commercial, 0
°
to 70
°
C
Commercial, 0
°
to 70
°
C
CPUT
T
PCB
T
PCB
CPUC
33
33
49.9
49.9
Measurement
Point
2pF
475
IREF
Measurement
Point
2pF
Figure 7. 0.7V Load Configuration
2.4V
0.4V
3.3V
0V
T r
T f
1.5V
3.3V signals
tD C
Probe
O utput under T est
Load C ap
-
-
Figure 8. Lumped Load For Single-Ended Output Signals (for AC Parameter Measurement)
相關(guān)PDF資料
PDF描述
CY28405OCT Circular Connector; No. of Contacts:6; Series:; Body Material:Aluminum; Connecting Termination:Solder; Connector Shell Size:10; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:10-6
CY28405OXC Circular Connector; MIL SPEC:MIL-C-26482, Series I, Crimp; Body Material:Aluminum; Series:PT06; No. of Contacts:3; Connector Shell Size:8; Connecting Termination:Crimp; Circular Shell Style:Straight Plug; Body Style:Straight
CY28408 Clock Synthesizer with Differential CPU Outputs
CY28408ZC TV 19C 19#12 SKT RECP
CY28408ZCT Circular Connector; MIL SPEC:MIL-DTL-38999 Series III; Body Material:Metal; Series:TVS01; Number of Contacts:3; Connector Shell Size:9; Connecting Termination:Crimp; Circular Shell Style:Straight Receptacle; Body Style:Straight
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: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:SPECTRALINEAR 功能描述:CK409-Compliant Clock Synthesizer
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