參數(shù)資料
型號: SY89845UMG
廠商: Micrel Inc
文件頁數(shù): 3/18頁
文件大?。?/td> 0K
描述: IC MUX CML 2:1 PRECISION 24MLF
標(biāo)準(zhǔn)包裝: 75
系列: SY89
類型: 多路復(fù)用器
電路: 1 x 2:1
獨(dú)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: 24-VFQFN 裸露焊盤,24-MLF?
供應(yīng)商設(shè)備封裝: 24-MLF?(4x4)
包裝: 管件
產(chǎn)品目錄頁面: 1091 (CN2011-ZH PDF)
其它名稱: 576-1455
Micrel, Inc.
SY89845U
May 2005
M9999-052405
hbwhelp@micrel.com or (408) 955-1690
11
Case #4: Input Clock Failure: Switching from the
selected clock input stuck in an undetermined state
to a valid clock input (RPE-enabled).
If CLK1 fails to an undetermined state (e.g.,
amplitude falls below the 100mV (VIN) minimum
single-ended input limit, or 200mV differentially)
before the RPE MUX selects CLK2 (using the SEL
pin), the switchover to the valid clock CLK2 will
occur
either
following
Case
#2
or
Case
#3,
depending upon the last valid state at the CLK1.
If the selected input clock fails to a floating, static, or
extremely low signal swing, including 0mV, the FSI
function will eliminate any metastable condition and
guarantee a stable output signal. No ringing and no
undetermined state will occur at the output under
these conditions.
Please note that the FSI function will not prevent
duty cycle distortions or runt pulses in case of a
slowly deteriorating (but still toggling) input signal.
Due to the FSI function, the propagation delay will
depend upon rise and fall time of the input signal
and on its amplitude. Refer to “Typical Operating
Characteristics” for detailed information.
Timing Diagram 4
相關(guān)PDF資料
PDF描述
SY89844UMG IC MUX LVDS 2:1 PRECISION 24MLF
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SY89845UMG TR 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 2.5/3.3V 2:1 RPE/FSI CML MUX w/ 1:2 Fanout (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(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
SY89845UMGTR 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision CML Runt Pulse Eliminator 2:1 MUX
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