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CY7B9910-2SCT PDF预览

CY7B9910-2SCT

更新时间: 2024-02-27 15:31:35
品牌 Logo 应用领域
赛普拉斯 - CYPRESS 时钟
页数 文件大小 规格书
11页 373K
描述
Low Skew Clock Buffer

CY7B9910-2SCT 技术参数

生命周期:Active零件包装代码:SOIC
包装说明:SOP,针数:24
Reach Compliance Code:unknown风险等级:5.66
Is Samacsys:N系列:7B
输入调节:STANDARDJESD-30 代码:R-PDSO-G24
长度:15.392 mm逻辑集成电路类型:CLOCK DRIVER
功能数量:1反相输出次数:
端子数量:24实输出次数:8
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:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
传播延迟(tpd):0.25 ns认证状态:COMMERCIAL
Same Edge Skew-Max(tskwd):0.25 ns座面最大高度:2.667 mm
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):4.5 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:BICMOS温度等级:COMMERCIAL
端子面层:NOT SPECIFIED端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
宽度:7.5057 mm最小 fmax:80 MHz
Base Number Matches:1

CY7B9910-2SCT 数据手册

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CY7B9910  
CY7B9920  
Low Skew Clock Buffer  
The completely integrated PLL enables “zero delay” capability.  
External divide capability, combined with the internal PLL, allows  
distribution of a low frequency clock that is multiplied by virtually  
any factor at the clock destination. This facility minimizes clock  
distribution difficulty while allowing maximum system clock  
speed and flexibility.  
Features  
All outputs skew <100 ps typical (250 max.)  
15 to 80 MHz output operation  
Zero input to output delay  
50% duty cycle outputs  
Block Diagram Description  
Outputs drive 50Ω terminated lines  
Low operating current  
Phase Frequency Detector and Filter  
The Phase Frequency Detector and Filter blocks accept inputs  
from the reference frequency (REF) input and the feedback (FB)  
input and generate correction information to control the  
frequency of the Voltage Controlled Oscillator (VCO). These  
blocks, along with the VCO, form a Phase Locked Loop (PLL)  
that tracks the incoming REF signal.  
24-pin SOIC package  
Jitter:<200 ps peak to peak, <25 ps RMS  
Functional Description  
The CY7B9910 and CY7B9920 Low Skew Clock Buffers offer  
low skew system clock distribution. These multiple output clock  
drivers optimize the timing of high performance computer  
systems. Each of the eight individual drivers can drive terminated  
transmission lines with impedances as low as 50Ω. They deliver  
minimal and specified output skews and full swing logic levels  
(CY7B9910 TTL or CY7B9920 CMOS).  
VCO  
The VCO accepts analog control inputs from the PLL filter block  
and generates a frequency. The operational range of the VCO is  
determined by the FS control pin.  
Logic Block Diagram  
TEST  
VOLTAGE  
PHASE  
FB  
FREQ  
DET  
FILTER  
CONTROLLED  
OSCILLATOR  
REF  
FS  
Q0  
Q1  
Q2  
Q3  
Q4  
Q5  
Q6  
Q7  
Cypress Semiconductor Corporation  
Document Number: 38-07135 Rev. *B  
198 Champion Court  
San Jose, CA 95134-1709  
408-943-2600  
Revised August 07, 2007  
[+] Feedback  

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