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PCS2I9942CG-32-LR PDF预览

PCS2I9942CG-32-LR

更新时间: 2024-11-01 07:03:35
品牌 Logo 应用领域
PULSECORE 时钟驱动器逻辑集成电路
页数 文件大小 规格书
10页 441K
描述
Low Voltage 1:18 Clock Distribution Chip

PCS2I9942CG-32-LR 技术参数

生命周期:Obsolete包装说明:7 X 7 MM , 0.80 MM PITCH, GREEN, LQFP-32
Reach Compliance Code:unknown风险等级:5.84
Is Samacsys:N其他特性:IT CAN ALSO OPERATE WITH 3.3V
系列:9942输入调节:DIFFERENTIAL
JESD-30 代码:S-PQFP-G32长度:7 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:32
实输出次数:18最高工作温度:125 °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:LQFP
封装形状:SQUARE封装形式:FLATPACK, LOW PROFILE
传播延迟(tpd):2.8 ns认证状态:Not Qualified
Same Edge Skew-Max(tskwd):0.35 ns座面最大高度:1.6 mm
最大供电电压 (Vsup):2.625 V最小供电电压 (Vsup):2.375 V
标称供电电压 (Vsup):2.5 V表面贴装:YES
温度等级:AUTOMOTIVE端子形式:GULL WING
端子节距:0.8 mm端子位置:QUAD
宽度:7 mm最小 fmax:250 MHz
Base Number Matches:1

PCS2I9942CG-32-LR 数据手册

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September 2006  
rev 0.3  
PCS2I9942C  
Low Voltage 1:18 Clock Distribution Chip  
Features  
device ideal for supplying clocks for a high performance  
Pentium II TM microprocessor based PC design.  
LVCMOS/LVTTL Clock Input  
2.5V LVCMOS Outputs  
Microprocessor Support  
for  
PentiumIITM  
With a low output impedance (12), in both the HIGH and  
LOW logic states, the output buffers of the PCS2I9942C  
are ideal for driving series terminated transmission lines.  
With an output impedance of 12, the PCS2I9942C can  
drive two series terminated transmission lines from each  
output. This capability gives the PCS2I9942C an effective  
fanout of 1:36. The PCS2I9942C provides enough copies  
of low skew clocks for most high performance synchronous  
systems.  
150pS Maximum Targeted Output–to–Output  
Skew  
Maximum Output Frequency of 250MHz @ 3.3  
VCC  
32–Lead TQFP and LQFP Packaging  
Single 3.3V or 2.5V Supply.  
Pin and Function compatible to MPC942C.  
Functional Description  
The LVCMOS/LVTTL input of the PCS2I9942C provides a  
more standard LVCMOS interface. The OE pins will place  
the outputs into a high impedance state. The OE pin hPcs  
an internal pullup resistor.  
The PCS2I9942C is a 1:18 low voltage clock distribution  
chip with 2.5V or 3.3V LVCMOS output capabilities. The  
device is offered in two versions; the PCS2I9942C hPcs an  
LVCMOS input clock while the PCS2I9942P hPcs an  
LVPECL input clock. The 18 outputs are 2.5V or 3.3V  
LVCMOS compatible and feature the drive strength to drive  
50series or parallel terminated transmission lines. With  
output–to–output skews of 200pS, the PCS2I9942C is ideal  
Pcs a clock distribution chip for the most demanding of  
synchronous systems. The 2.5V outputs also make the  
The PCS2I9942C is a single supply device. The VCC power  
pins require either 2.5V or 3.3V. The 32–lead TQFP and  
LQFP package is chosen to optimize performance, board  
space and cost of the device. The 32–lead TQFP hPcs a  
7x7mm2 body size with a conservative 0.8mm pin spacing.  
*Pentium II is a trademark of Intel Corporation  
PulseCore Semiconductor Corporation  
1715 S. Bascom Ave Suite 200, Campbell, CA 95008 Tel: 408-879-9077 Fax: 408-879-9018  
www.pulsecoresemi.com  
Notice: The information in this document is subject to change without notice.  

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