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PCS2I99448G-32-ET PDF预览

PCS2I99448G-32-ET

更新时间: 2024-02-24 14:24:53
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
15页 592K
描述
3.3V/2.5V LVCMOS 1:12 Clock Fanout Buffer

PCS2I99448G-32-ET 技术参数

生命周期:Obsolete包装说明:GREEN, LQFP-32
Reach Compliance Code:unknown风险等级:5.84
Is Samacsys:N系列:99448
输入调节:DIFFERENTIAL MUXJESD-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:12
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:LQFP封装形状:SQUARE
封装形式:FLATPACK, LOW PROFILE传播延迟(tpd):3.6 ns
认证状态:Not QualifiedSame Edge Skew-Max(tskwd):0.15 ns
座面最大高度:1.6 mm最大供电电压 (Vsup):3.465 V
最小供电电压 (Vsup):3.135 V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:0.8 mm
端子位置:QUAD宽度:7 mm
最小 fmax:350 MHzBase Number Matches:1

PCS2I99448G-32-ET 数据手册

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September 2006  
rev 0.4  
PCS2I99448  
3.3V/2.5V LVCMOS 1:12 Clock Fanout Buffer  
Features  
The PCS2I99448 is specifically designed to distribute  
LVCMOS compatible clock signals up to a frequency of  
350MHz. Each output provides a precise copy of the input  
signal with a near zero skew. The outputs buffers support  
driving of 50terminated transmission lines on the incident  
edge: each output is capable of driving either one parallel  
terminated or two series terminated transmission lines.  
12 LVCMOS compatible clock outputs  
Selectable LVCMOS and differential LVPECL  
compatible clock inputs  
Maximum clock frequency of 350MHz  
Maximum clock skew of 150pS  
Synchronous output stop in logic low state  
eliminates output runt pulses  
Two selectable, independent clock inputs are available,  
providing support of LVCMOS and differential LVPECL  
clock distribution systems. The PCS2I99448 CLK_STOP  
control is synchronous to the falling edge of the input clock.  
It allows the start and stop of the output clock signal only in  
a logic low state, thus eliminating potential output runt  
pulses. Applying the OE control will force the outputs into  
high–impedance mode.  
High–impedance output control  
3.3V or 2.5V power supply  
Drives up to 24 series terminated clock lines  
Ambient temperature range -40°C to +85°C  
32–Lead LQFP & TQFP packaging  
Supports clock distribution in networking,  
telecommunication and computing applications  
Pin and Function compatible to MPC9448 and  
MPC948  
All inputs have an internal pull–up or pull–down resistor  
preventing unused and open inputs from floating. The  
device supports a 2.5V or 3.3V power supply and an  
ambient temperature range of –40°C to +85°C. The  
PCS2I99448 is pin and function compatible but  
performance–enhanced to the MPC948.  
Functional Description  
The PCS2I99448 is a 3.3V or 2.5V compatible, 1:12 clock  
fanout buffer targeted for high performance clock tree  
applications. With output frequencies up to 350 MHz and  
output skews less than 150 pS, the device meets the needs  
of most demanding clock applications.  
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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