參數(shù)資料
型號: SY89464UMY TR
廠商: Micrel Inc
文件頁數(shù): 10/10頁
文件大?。?/td> 0K
描述: IC CLOCK MUX 2:10 2GHZ 44-MLF
標準包裝: 1,000
系列: Precision Edge®
類型: 多路復(fù)用器
電路數(shù): 1
比率 - 輸入:輸出: 2:10
差分 - 輸入:輸出: 是/是
輸入: CML,LVDS,PECL
輸出: LVPECL
頻率 - 最大: 2GHz
電源電壓: 2.375 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 44-VFQFN 裸露焊盤,44-MLF?
供應(yīng)商設(shè)備封裝: 44-MLF?(7x7)
包裝: 帶卷 (TR)
Micrel, Inc.
SY89464U
December 2007
M9999-120607-B
hbwhelp@micrel.com or (408) 955-1690
9
Case #2: Input Clock Failure: Switching from a
selected clock stuck HIGH to a valid clock (RPE-
enabled).
If CLK1 fails HIGH before the RPE MUX selects
CLK2 (using the SEL pin), the switchover will occur
in three stages.
Stage 1: The output will remain HIGH for a
limited number of pulses of CLK2.
Stage 2: The output will switch to LOW and then
remain LOW for a limited number of falling edges
of CLK2.
Stage 3: The output will follow CLK2.
Timing Diagram 2
Note: Output shows extended clock cycle during switchover. Pulse width for both high and low of this cycle will always be
greater than 50% of the CLK2 period.
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