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特性
pinassignments(topview)
p0022-01
cp_输出
ref_sel
pri_ref
地
地
地
地
地
地
地
秒_ref
地
AVCC
AVCC
AVCC
AVCC
AVCC
状态_
ref 或者
pri_秒_
CLK
地
地
地
地
地
VCC
状态_
VCXO
vcxo_在
地
VCC
VCC
VCC
VCC
VCC
VCC
Y0A
地
地
地
地
地
VCC
Y4B
Y0B
VCC
VCC
VCC
VCC
VCC
VCC
Y4A
PD
Y1A
Y1B
Y2A
Y2B
Y3A
Y3B
重置
或者
支撑
1
2
3
4
5
6
7
8
一个
B
C
D
F
G
H
i_ref_cp
或者
pll_锁
VBB
vcc_cp
ctrl_le
ctrl_clk
ctrl_
数据
vcxo_在
E
p0023-01
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
37
38
39
40
41
45
44
43
42
46
47
48
24
23
22
21
20
16
17
18
19
15
14
13
热的 垫子
必须 是
焊接 至 地
状态_ref 或者
pri_秒_clk
状态_vcxo 或者
i_ref_cp
重置
支撑
或者
PD
VCC
Y1A
Y1B
VCC
VCC
Y2A
Y2B
VCC
VCC
Y3A
Y3B
pri_ref
ref_sel
NC
vcc_cp
AVCC
cp_输出
AVCC
ctrl_le
ctrl_clk
AVCC
ctrl_数据
pll_锁
地
VCC
VCC
VCC
VCC
Y4B
Y4A
VCC
VCC
秒_ref
AVCC
AVCC
VBB
VCC
vcxo_在
VCC
VCC
Y0A
Y0B
VCC
vcxo_在
CDCM7005
SCAS793A–JUNE2005–REVISEDJUNE2005
3.3-vhighperformanceclocksynchronizerandjittercleaner
or48-pinqfn(rgz)
•
HighPerformanceLVPECLandLVCMOSPLL
•
IndustrialTemperatureRange–40
°
Cto85
°
C
ClockSynchronizer
•
tworeferenceclockinputs(primaryand
secondaryclock)forredundancysupport
WithManualorAutomaticSelection
•
AcceptsLVCMOSInputFrequenciesUpto
200MHz
•
vcxo_inclockissynchronizedtooneofthe
TwoReferenceClocks
•
vcxo_infrequenciesupto2.2ghz
(lvpecl)
•
OutputsCanBeaCombinationofLVPECL
andlvcmos(uptofivedifferentiallvpecl
outputsorupto10lvcmosoutputs)
•
outputfrequencyisselectablebyx1,/2,/3,
/4,/6,/8,/16oneachoutputindividually
•
EfficientJitterCleaningFromLowPLLLoop
带宽
•
LowPhaseNoisePLLCore
•
programmablephaseoffset(pri_refand
秒_reftooutputs)
•
WideChargePumpCurrentRangeFrom200
µ
Ato3mA
•
dedicatedchargepumpsupply(vcc_cp)为
WideTuningVoltageRangeVCOs
•
presetschargepumptovcc_cp/2forfast
中心-frequencysettingofvc(x)o
•
AnalogandDigitalPLLLockIndication
•
ProvidesVBBBiasVoltageOutputfor
单独的-endedinputsignals(vcxo_在)
•
frequencyhold-overmodeimproves
失败-safeoperation
•
电源-upcontrolforceslvpecloutputsto
3-stateatv
CC
<1.5v
•
SPIControllableDeviceSetting
•
3.3-vpowersupply
•
packagedin64-pinbga(0,8mmpitch–zva)
pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
productiondatainformationiscurrentasofpublicationdate.
copyright©2005,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
necessarilyincludetestingofallparameters.
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