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CSPU877NL8 PDF预览

CSPU877NL8

更新时间: 2024-09-14 20:06:47
品牌 Logo 应用领域
艾迪悌 - IDT /
页数 文件大小 规格书
13页 135K
描述
Clock Driver, CMOS, PQCC40

CSPU877NL8 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:QCCN, LCC40,.24SQ,20Reach Compliance Code:unknown
风险等级:5.92JESD-30 代码:S-PQCC-N40
JESD-609代码:e0最大I(ol):0.009 A
湿度敏感等级:3端子数量:40
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:QCCN
封装等效代码:LCC40,.24SQ,20封装形状:SQUARE
封装形式:CHIP CARRIER电源:1.8 V
认证状态:Not Qualified子类别:Clock Drivers
标称供电电压 (Vsup):1.8 V表面贴装:YES
技术:CMOS温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn85Pb15)端子形式:NO LEAD
端子节距:0.5 mm端子位置:QUAD
Base Number Matches:1

CSPU877NL8 数据手册

 浏览型号CSPU877NL8的Datasheet PDF文件第2页浏览型号CSPU877NL8的Datasheet PDF文件第3页浏览型号CSPU877NL8的Datasheet PDF文件第4页浏览型号CSPU877NL8的Datasheet PDF文件第5页浏览型号CSPU877NL8的Datasheet PDF文件第6页浏览型号CSPU877NL8的Datasheet PDF文件第7页 
1.8V PHASE LOCKED LOOP  
IDTCSPU877  
DIFFERENTIAL 1:10 SDRAM  
CLOCK DRIVER  
FEATURES:  
DESCRIPTION:  
• 1 to 10 differential clock distribution  
• Optimized for clock distribution in DDR2 (Double Data Rate)  
SDRAM applications  
TheCSPU877isaPLLbasedclockdriverthatactsasazerodelaybuffer  
to distribute one differential clock input pair(CLK, CLK ) to 10 differential  
output pairs (Y[0:9], Y[0:9]) and one differential pair of feedback clock output  
(FBOUT,FBOUT). Externalfeedbackpins(FBIN,FBIN)forsynchronization  
oftheoutputstotheinputreferenceisprovided.OE,OS,andAVDD controlthe  
power-downandtestmodelogic. WhenAVDD isgrounded,thePLListurned  
offandbypassedfortestmodepurposes. Whenthedifferentialclockinputs  
(CLK,CLK)arebothatlogiclow,thisdevicewillenteralowpower-downmode.  
Inthismode,thereceiversaredisabled,thePLListurnedoff,andtheoutput  
clockdriversaredisabled,resultinginacurrentconsumptiondeviceoflessthan  
500µA.  
• Operating frequency: 125MHz to 270MHz  
• Very low skew: 40ps  
• Very low jitter: 40ps  
• 1.8V AVDD and 1.8V VDDQ  
• CMOS control signal input  
• Test mode enables buffers while disabling PLL  
• Low current power-down mode  
• Tolerant of Spread Spectrum input clock  
• Available in 52-Ball VFBGA and 40-pin VFQFPN packages  
TheCSPU877requiresnoexternalcomponentsandhasbeenoptimised  
forverylowphaseerror,skew,andjitter,whilemaintainingfrequencyandduty  
cycle over the operating voltage and temperature range. The CSPU877,  
designedforuseinbothmoduleassembliesandsystemmotherboardbased  
solutions,providesanoptimumhigh-performanceclocksource.  
The CSPU877 is available in Commercial Temperature Range (0°C to  
+70°C). SeeOrderingInformationfordetails.  
APPLICATIONS:  
• Meets or exceeds JEDEC standard 82-8 for registered DDR2  
clock driver  
• Along with SSTU32864/A, DDR2 register, provides complete  
solution for DDR2 DIMMs  
FUNCTIONAL BLOCK DIAGRAM  
LD or OE  
POWER  
DOWN  
AND  
TEST  
MODE  
LOGIC  
LD  
OE  
LD, OS, or OE  
PLL BYPASS  
Y0  
OS  
Y0  
Y1  
AVDD  
Y1  
Y2  
Y2  
Y3  
Y3  
Y4  
Y4  
Y5  
CLK  
CLK  
Y5  
Y6  
10K- 100KΩ  
PLL  
Y6  
Y7  
FBIN  
FBIN  
Y7  
Y8  
Y8  
Y9  
Y9  
NOTE:  
The Logic Detect (LD) powers down the device when a logic LOW is applied to both CLK and CLK.  
FBOUT  
FBOUT  
The IDT logo is a registered trademark of Integrated Device Technology, Inc.  
COMMERCIAL TEMPERATURE RANGE  
AUGUST 2003  
1
c
2003 Integrated Device Technology, Inc.  
DSC-5962/34  

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