參數資料
型號: CY7B9910-7SI[20]
廠商: Cypress Semiconductor Corp.
英文描述: Low Skew Clock Buffer
中文描述: 低偏移時鐘緩沖器
文件頁數: 9/11頁
文件大?。?/td> 281K
代理商: CY7B9910-7SI[20]
CY7B9910
CY7B9920
Document Number: 38-07135 Rev. *B
Page 9 of 11
Operational Mode Descriptions
Figure 2
shows the device configured as a zero skew clock
buffer. In this mode the 7B9910/9920 is used as the basis for a
low skew clock distribution tree. The outputs are aligned and may
each drive a terminated transmission line to an independent
load. The FB input is tied to any output and the operating
frequency range is selected with the FS pin. The low skew speci-
fication, coupled with the ability to drive terminated transmission
lines (with impedances as low as 50 ohms), enables efficient
printed circuit board design.
Figure 1
shows the CY7B9910/9920 connected in series to
construct a zero skew clock distribution tree between boards.
Cascaded clock buffers accumulates low frequency jitter
because of the non-ideal filtering characteristics of the PLL filter.
Do not connect more than two clock buffers in series.
Figure 3. Board-to-Board Clock Distribution
SYSTEM
CLOCK
Z
0
FB
REF
FS
TEST
REF
REF
FS
FB
LOAD
LOAD
LOAD
LOAD
LOAD
TEST
Z
0
Z
0
Z
0
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q0
Q1
Q2
Q3
Q4
Q6
Q7
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相關PDF資料
PDF描述
CY7B9910-7SXC Low Skew Clock Buffer
CY7B9910-7SXCT Low Skew Clock Buffer
CY7B9920-2SC[20] Low Skew Clock Buffer
CY7B9920-7SC[20] Low Skew Clock Buffer
CY7B9920-7SI[20] Low Skew Clock Buffer
相關代理商/技術參數
參數描述
CY7B9910-7SXC 功能描述:鎖相環(huán) - PLL 5V 80MHz 8 TTL COM Not Programable RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray
CY7B9910-7SXCT 功能描述:鎖相環(huán) - PLL 5V 80MHz 8 TTL COM Not Programable RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray
CY7B9910V-7JXC 制造商:Cypress Semiconductor 功能描述:
CY7B9911 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Programmable Skew Clock Buffer
CY7B9911_07 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Programmable Skew Clock Buffer