hbwhelp@micrel.com or (408) 955-1690 9 Case #2: Input " />
參數(shù)資料
型號: SY89841UMG
廠商: Micrel Inc
文件頁數(shù): 15/15頁
文件大?。?/td> 0K
描述: IC MUX 2:1 LVDS RPE 16-MLF
標準包裝: 100
系列: SY89
類型: 多路復用器
電路: 1 x 2:1
獨立電路: 1
電壓電源: 單電源
電源電壓: 3 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-VFQFN 裸露焊盤,16-MLF?
供應商設備封裝: 16-MLF?(3x3)
包裝: 管件
產(chǎn)品目錄頁面: 1090 (CN2011-ZH PDF)
其它名稱: 576-2095-5
SY89841UMG-ND
Micrel, Inc.
SY89841U
February 2005
M9999-021405
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.
CLK1
CLK2
SEL
OUTPUT
Select CLK1
Stage 1
Stage 2
Stage 3
Select CLK2
14 to 16 falling edges of CLK2
Runt pulse eliminated
from output
Timing Diagram 2
Note: Output show 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.
Case #3: Input Clock Failure: Switching from a
selected clock stuck Low to a valid clock (RPE
enabled).
If CLK1 fails LOW before the RPE MUX selects
CLK2 (using the SEL pin), the switchover will occur
in two stages.
Stage 1: The output will remain LOW for a
limited number of falling edges of CLK2.
Stage 2: The output will follow CLK2.
CLK1
CLK2
SEL
OUTPUT
Select CLK1
Stage 1
Stage 2
Select CLK2
13 to 17 falling edges of CLK2
Timing Diagram 3
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相關代理商/技術參數(shù)
參數(shù)描述
SY89841UMG TR 功能描述:編碼器、解碼器、復用器和解復用器 Precision 2:1 LVDS MUX w/ RPE & FSI (I Temp, Green) RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量(輸入/輸出):2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
SY89841UMGTR 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision LVDS Runt Pulse Eliminator 2:1 Multiplexer
SY89842U 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision CML Runt Pulse Eliminator 2:1
SY89842U_10 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision CML Runt Pulse Eliminator 2:1
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