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參數(shù)資料
| 型號： | CY7B9920-2SC[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(shù)： | 9/11頁 |
| 文件大?。?/td> | 281K |
| 代理商： | CY7B9920-2SC[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(guān)PDF資料 |
PDF描述 |
|---|---|
| CY7B9920-7SC[20] | Low Skew Clock Buffer |
| CY7B9920-7SI[20] | Low Skew Clock Buffer |
| CY7B9910-5SXC | Low Skew Clock Buffer |
| CY7B9910-5SXCT | Low Skew Clock Buffer |
| CY7B9910-5SXI | Low Skew Clock Buffer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY7B9920-2SCT | 制造商:Cypress Semiconductor 功能描述:Zero Delay PLL Clock Buffer Single 15MHz to 80MHz 24-Pin SOIC T/R 制造商:Rochester Electronics LLC 功能描述:ROBOCLOCK JR. - Bulk |
| CY7B9920-55SC | 制造商:Cypress Semiconductor 功能描述: |
| CY7B9920-5SC | 功能描述:鎖相環(huán) - PLL 5V 80MHz 8 CMOS COM Not Programable RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數(shù)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 |
| CY7B9920-5SCT | 功能描述:鎖相環(huán) - PLL 5V,80MHz,8 CMOS Out non-programmable RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數(shù)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 |
| CY7B9920-5SI | 功能描述:IC CLK BUFF SKEW 8OUT 24SOIC RoHS:否 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器，PLL，頻率合成器 系列:- 標(biāo)準(zhǔn)包裝:39 系列:- 類型:* PLL:帶旁路 輸入:時鐘 輸出:時鐘 電路數(shù):1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 頻率 - 最大:170MHz 除法器/乘法器:無/無 電源電壓:2.375 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:* |
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