參數(shù)資料
型號: SY89859UMY
廠商: Micrel Inc
文件頁數(shù): 3/13頁
文件大小: 0K
描述: IC MUX 8:1 PREC LVPECL 44-MLF
標(biāo)準(zhǔn)包裝: 260
系列: SY89
類型: 多路復(fù)用器
電路: 1 x 8:1
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: 44-VFQFN 裸露焊盤,44-MLF?
供應(yīng)商設(shè)備封裝: 44-MLF?(7x7)
包裝: 托盤
產(chǎn)品目錄頁面: 1084 (CN2011-ZH PDF)
其它名稱: 576-3242
Micrel, Inc.
SY89859U
December 2007
M9999-120607-D
hbwhelp@micrel.com or (408) 955-1690
11
LVPECL Output Interface Applications
LVPECL has high input impedance, very low output
(open emitter) impedance, and small signal swing
which result in low EMI. LVPECL is ideal for driving
50
- and 100-controlled impedance transmission
lines. There are several techniques for terminating
the LVPECL output including: Parallel Termination-
Thevenin
Equivalent,
Parallel
Termination
(3-
Resistor), and AC-Coupled Termination. Unused
output pairs may be left floating. However, single-
ended outputs must be terminated, or balanced.
Figure 4a. Parallel Thevenin-Equivalent
Termination
Note:
For 2.5V system, R1 = 250
, R2 = 62.5.
Figure 4b. Parallel Termination
(3-Resistor)
Note:
For 2.5V system, Rb = 19
.
Related Product and Support Documentation
Part Number
Function
Data Sheet Link
SY58037U
Ultra Precision 8:1 MUX with Internal
Termination and 1:2 CML Fanout Buffer
SY58038U
Ultra Precision 8:1 MUX with Internal
Termination and 1:2 LVPECL Fanout Buffer
SY58039U
Ultra Precision 8:1 MUX with Internal
Termination and 1:2 400mV LVPECL Fanout
Buffer
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SY89859UMY TR 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Precision, Low Power 8:1 LVPECL 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
SY89859UMYTR 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision Low-Power 8:1 MUX with Internal
SY89871U 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:2.5GHz ANY DIFF. IN-TO-LVPECL PROGRAMMABLE CLOCK DIVIDER/ FANOUT BUFFER WI/INTERNAL TERMINATION
SY89871U_07 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:2.5GHz ANY DIFF. IN-TO-LVPECL PROGRAMMABLE CLOCK DIVIDER
SY89871UMG 功能描述:時鐘驅(qū)動器及分配 2.5V/3.3V PECL Output Clock Divider/Fanout (I Temp, Green) RoHS:否 制造商:Micrel 乘法/除法因子:1:4 輸出類型:Differential 最大輸出頻率:4.2 GHz 電源電壓-最大: 電源電壓-最小:5 V 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-8 封裝:Reel