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ICS87951AYI 参数 Datasheet PDF下载

ICS87951AYI图片预览
型号: ICS87951AYI
PDF下载: 下载PDF文件 查看货源
内容描述: [PLL Based Clock Driver, 87951 Series, 9 True Output(s), 0 Inverted Output(s), PQFP32, 7 X 7 X 1.40 MM, MS-026, LQFP-32]
分类和应用: 驱动逻辑集成电路
文件页数/大小: 13 页 / 142 K
品牌: SPECTRUM [ SPECTRUM MICROWAVE, INC. ]
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ICS87951I  
LOW SKEW, 1-TO-9  
DIFFERENTIAL-TO-LVCMOS/LVTTL ZERO DELAY BUFFER  
Integrated  
Circuit  
Systems, Inc.  
PARAMETER MEASUREMENT INFORMATION  
1.65V 5ꢂ  
VDD  
SCOPE  
VDDA  
VDDO  
,
nCLK1  
Qx  
VPP  
VCMR  
Cross Points  
LVCMOS  
GND  
CLK1  
GND  
-1.65V 5ꢂ  
3.3V OUTPUT LOAD AC TEST CIRCUIT  
DIFFERENTIAL INPUT LEVEL  
VDDO  
2
VDDO  
2
VDDO  
2
VDDO  
QA,  
QB,  
QCx,  
QDx  
Qx  
Qy  
2
tcycle n+1  
tcycle n  
VDDO  
2
tjitꢀccꢁ = tcycle n –tcycle n+1  
tskꢀoꢁ  
1000 Cycles  
CYCLE-TO-CYCLE JITTER  
OUTPUT SKEW  
nCLK1  
VOH  
VOL  
2V  
2V  
CLK0,  
CLK1  
0.8V  
0.8V  
VOH  
Clock  
VDDO  
VO2L  
tR  
tF  
Outputs  
EXT_FB  
tꢀØꢁ  
tjitꢀØꢁ = tꢀØꢁ — tꢀØꢁ mean = Phase Jitter  
tꢀØꢁ mean = Static Phase Offset  
OUTPUT RISE/FALL TIME  
VDDO  
2
VDDO  
VDDO  
ꢀwhere tꢀØꢁ is any random sample, and tꢀØꢁ mean is the average  
of the sampled cycles measured on controlled edgesꢁ  
2
2
QA,  
QB,  
QCx,  
QDx  
tPW  
tPERIOD  
tPW  
tPERIOD  
odc =  
PHASE JITTER AND STATIC PHASE OFFSET  
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD  
87951AYI  
www.icst.com/products/hiperclocks.html  
REV.B NOVEMBER 23, 2005  
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