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74FCT388915T70J PDF预览

74FCT388915T70J

更新时间: 2024-11-07 08:03:35
品牌 Logo 应用领域
艾迪悌 - IDT 时钟驱动器逻辑集成电路输出元件
页数 文件大小 规格书
10页 154K
描述
3.3V LOW SKEW PLL-BASED CMOS CLOCK DRIVER (WITH 3-STATE)

74FCT388915T70J 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Active零件包装代码:QLCC
包装说明:PLASTIC, LCC-28针数:28
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.53
Is Samacsys:N其他特性:OUTPUT FREQUENCY RATIOS ARE 0.5F/1.0F/2.0F; MAX PART TO PART SKEW = 1NS
系列:FCT输入调节:SCHMITT TRIGGER MUX
JESD-30 代码:S-PQCC-J28JESD-609代码:e0
长度:11.5062 mm逻辑集成电路类型:PLL BASED CLOCK DRIVER
最大I(ol):0.032 A湿度敏感等级:1
功能数量:1反相输出次数:1
端子数量:28实输出次数:7
最高工作温度:70 °C最低工作温度:
输出特性:3-STATE封装主体材料:PLASTIC/EPOXY
封装代码:QCCJ封装等效代码:LDCC28,.5SQ
封装形状:SQUARE封装形式:CHIP CARRIER
峰值回流温度(摄氏度):225电源:3.3 V
传播延迟(tpd):1.3 ns认证状态:Not Qualified
Same Edge Skew-Max(tskwd):0.8 ns座面最大高度:4.572 mm
子类别:Clock Drivers最大供电电压 (Vsup):3.6 V
最小供电电压 (Vsup):3 V标称供电电压 (Vsup):3.3 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:J BEND端子节距:1.27 mm
端子位置:QUAD处于峰值回流温度下的最长时间:30
宽度:11.5062 mm最小 fmax:70 MHz
Base Number Matches:1

74FCT388915T70J 数据手册

 浏览型号74FCT388915T70J的Datasheet PDF文件第2页浏览型号74FCT388915T70J的Datasheet PDF文件第3页浏览型号74FCT388915T70J的Datasheet PDF文件第4页浏览型号74FCT388915T70J的Datasheet PDF文件第5页浏览型号74FCT388915T70J的Datasheet PDF文件第6页浏览型号74FCT388915T70J的Datasheet PDF文件第7页 
3.3V LOW SKEW PLL-BASED  
CMOS CLOCK DRIVER  
(WITH 3-STATE)  
IDT74FCT388915T  
70/100/133/150  
FEATURES:  
DESCRIPTION:  
• 0.5 MICRON CMOS Technology  
The FCT388915T uses phase-lock loop technology to lock the fre-  
quencyandphase ofoutputs tothe inputreference clock. Itprovides low  
skewclockdistributionforhighperformancePCsandworkstations. Oneof  
the outputs is fed back to the PLL at the FEEDBACK input resulting in  
essentiallyzerodelayacross the device. The PLLconsists ofthe phase/  
frequency detector, charge pump, loop filter and VCO. The VCO is  
designed for a 2Q operating frequency range of 40MHz to f2Q Max.  
TheFCT388915Tprovides8outputs,theQ5outputisinvertedfromthe  
Qoutputs. The 2Qruns attwice the QfrequencyandQ/2runs athalfthe  
Qfrequency.  
Input frequency range: 10MHz – f2Q Max. spec  
(FREQ_SEL = HIGH)  
Max. output frequency: 150MHz  
• Pin and function compatible with FCT88915T, MC88915T  
• 5 non-inverting outputs, one inverting output, one 2x output,  
one ÷2 output; all outputs are TTL-compatible  
• 3-State outputs  
Duty cycle distortion < 500ps (max.)  
• 32/–16mA drive at CMOS output voltage levels  
VCC = 3.3V ± 0.3V  
The FREQ_SELcontrolprovides anadditional÷2optioninthe output  
path. PLL _EN allows bypassing of the PLL, which is useful in static test  
modes. WhenPLL_ENis low,SYNCinputmaybe usedas a testclock. In  
this testmode,theinputfrequencyis notlimitedtothespecifiedrangeand  
thepolarityofoutputsiscomplementarytothatinnormaloperation(PLL_EN  
=1). The LOCKoutputattains logicHIGHwhenthe PLLis insteady-state  
phase andfrequencylock. WhenOE/RST is low,allthe outputs are putin  
highimpedance state andregisters atQ,Q andQ/2outputs are reset.  
The FCT388915T requires one external loop filter component as  
recommended in Figure 3.  
Inputs can be driven by 3.3V or 5V components  
Available in 28 pin PLCC and SSOP packages  
FUNCTIONALBLOCKDIAGRAM  
FEEDBACK  
LOCK  
Voltage  
Controlled  
Oscilator  
Phase/Freq.  
Detector  
0 M  
u
Charge Pump  
SYNC (0)  
SYNC (1)  
x
1
LF  
REF_SEL  
PLL_EN  
0
1
2Q  
Mux  
(÷1)  
(÷2)  
1
0
M
u
x
D
Q0  
Q1  
Q
CP  
Q
R
R
R
R
R
R
R
Divide  
-By-2  
D
Q
Q
Q
Q
Q
Q
FREQ_SEL  
OE/RST  
CP  
D
Q2  
Q3  
CP  
D
CP  
D
Q4  
Q5  
Q/2  
CP  
D
CP  
D
CP  
TheIDTlogoisaregisteredtrademarkofIntegratedDeviceTechnology,Inc.  
COMMERCIAL TEMPERATURE RANGE  
OCTOBER 2008  
1
© 2004 Integrated Device Technology, Inc.  
DSC-4243/7  

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