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PI90LV14Q PDF预览

PI90LV14Q

更新时间: 2024-02-23 00:02:02
品牌 Logo 应用领域
百利通 - PERICOM 时钟驱动器逻辑集成电路光电二极管
页数 文件大小 规格书
6页 123K
描述
1:5 Clock Distribution

PI90LV14Q 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:QSOP
包装说明:SSOP,针数:20
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.66
系列:90LV输入调节:DIFFERENTIAL MUX
JESD-30 代码:R-PDSO-G20长度:8.65 mm
逻辑集成电路类型:LOW SKEW CLOCK DRIVER功能数量:1
反相输出次数:端子数量:20
实输出次数:5最高工作温度:85 °C
最低工作温度:-40 °C输出特性:3-STATE
封装主体材料:PLASTIC/EPOXY封装代码:SSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度):NOT SPECIFIED传播延迟(tpd):4 ns
认证状态:Not QualifiedSame Edge Skew-Max(tskwd):0.19 ns
座面最大高度:1.75 mm标称供电电压 (Vsup):3.3 V
表面贴装:YES温度等级:INDUSTRIAL
端子形式:GULL WING端子节距:0.635 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3.9116 mmBase Number Matches:1

PI90LV14Q 数据手册

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PI90LV14/PI90LVT14  
1:5 Clock Distribution  
Features  
Description  
• Meets and Exceeds the Requirements of ANSI  
TIA/EIA-644-1995  
ThePI90LV14implementslowvoltagedifferentialsignaling(LVDS)  
to achieve clocking rates as high as 320MHz with low skew.  
• Designed for clocking rates up to 320MHz  
• Operates from a single 3.3V Supply  
• LowVoltageDifferentialSignaling(LVDS)withOutput  
Voltages of ±350mV into a 100load  
• Choice between LVDS or TTL clock input  
• Synchronous Enable/Disable  
The PI90LV14 is a low-skew 1:5 clock distribution chip which  
incorporates multiplexed clock inputs to allow for distribution of a  
lower-speed, single-ended clock or a high-speed system clock.  
When LOWthe SEL pin will select the differential clock input.  
The common enable (EN) is synchronous so that the outputs will  
only be enabled/disabled when they are already in the LOW state.  
This avoids any chance of generating a runt clock pulse when the  
device is enabled/disabled as can happen with an asynchronous  
control.Becausetheinternalflip-flopisclockedonthefallingedge  
oftheinputclock, allassociatedspecificationlimitsarereferenced  
to the negative edge of the clock input.  
• Clock outputs default LOW when inputs open  
• Multiplexedclockinput  
- Internal 300kpullup resistor on input pins  
-CLKandCLKhave110internaltermination(PI90LVT14)  
• 50ps Output-to-Output Skew  
• 475ps typical propagation delay  
• Bus Pins are high impedance when disabled or with  
The intended application of these devices and signaling technique  
is for high-speed clock distribution between boards.  
V
CC  
less than 1.5V  
• TTL inputs are 5V Tolerant  
• Power Dissipation at 400Mbits/s of 150mW  
• FunctioncompatibletoMotorola(PECL)  
MC100EL14andMicrel/Synergy(PECL)  
SY100EL14V  
PI90LV14 Block Diagram  
• >9kVESDProtection  
1
CLK1OUT+  
• 20-pinTSSOP(L)andQSOP(Q)packages  
V
20  
19  
CC  
2
CLK1OUT–  
Pin Descriptions  
EN  
Pin  
CLK, CLK  
SCLK  
Funtion  
3
4
CLK2OUT+  
CLK2OUT–  
D
Differential Clock Outputs  
LVTTL Clock Input  
Synchronous Enable  
Clock Select Input  
V
18  
17  
CC  
Q
GND  
EN  
5
6
16  
15  
1
0
CLK3OUT+  
CLK3OUT–  
SCLK  
CLK  
SEL  
CLK1-5OUT±  
Differential Clock Inputs  
14  
13  
Function Table  
7
8
CLK  
CLK4OUT+  
CLK4OUT–  
CLK  
L
SCLK  
SEL  
L
EN*  
L
CLKOUT+  
GND  
X
X
L
L
H
12  
11  
SEL  
H
L
L
9
CLK5OUT+  
CLK5OUT–  
X
H
L
L
10  
X
H
H
L
H
GND  
X
H
Z*  
* On next negative transition of CLK, or SCLK  
PS8538  
04/25/01  
1

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