參數(shù)資料
型號: SY56028XRMG TR
廠商: Micrel Inc
文件頁數(shù): 7/8頁
文件大?。?/td> 0K
描述: IC CLK BUFF MUX 4:2 4.5GHZ 32MLF
標準包裝: 1,000
系列: Precision Edge®
類型: 扇出緩沖器(分配),多路復用器
電路數(shù): 1
比率 - 輸入:輸出: 4:2
差分 - 輸入:輸出: 是/是
輸入: CML,LVDS,LVPECL
輸出: CML
頻率 - 最大: 4.5GHz
電源電壓: 2.375 V ~ 2.625 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 32-VFQFN 裸露焊盤,32-MLF?
供應商設備封裝: 32-MLF?(5x5)
包裝: 帶卷 (TR)
Micrel, Inc.
SY56028XR
April 2010
7
M9999-040810-A
hbwhelp@micrel.com or (408) 955-1690
Functional Description
CML Output Termination with VCCO 1.2V
For VCCO of 1.2V, Figure 5a, terminate the output
with 50 Ohms to 1.2V, not 100 ohms differentially
across the outputs. If AC coupling is used, Figure 5d,
terminate into 50 ohms to 1.2V before the coupling
capacitor and then connect to a high value resistor to a
reference voltage. Any unused output pair with VCCO
at 1.2V needs to be terminated, do not leave floating.
CML Output Termination with VCCO 1.8V, 2.5V
For VCCO of 1.8V or 2.5V, Figure 5a/b, terminate with
either 50 ohms to 1.8V or 100 ohms differentially
across the outputs. AC-or DC-coupling is fine. For best
signal integrity, terminate any unused output pairs.
Timing Diagrams
Figure 1a. IN-to-Q Timing Diagram
Figure 1b. SEL-to-Q Timing Diagram
(Qx state can be high or low depending on input data)
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