參數(shù)資料
型號(hào): 85408BGI
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 時(shí)鐘及定時(shí)
英文描述: 85408 SERIES, LOW SKEW CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO24
封裝: 4.40 X 7.80 MM, 0.925 MM HEIGHT, MO-153, TSSOP-24
文件頁數(shù): 16/16頁
文件大小: 755K
代理商: 85408BGI
ICS85408I Datasheet
LOW SKEW, 1-TO-8, DIFFERENTIAL-TO-LVDS CLOCK DISTRIBUTION CHIP
ICS85408BGI REVISION B JULY 2, 2009
9
2009 Integrated Device Technology, Inc.
Application Information
Wiring the Differential Input to Accept Single-Ended Levels
Figure 1 shows how the differential input can be wired to accept
single-ended levels. The reference voltage V_REF = VDD/2 is
generated by the bias resistors R1, R2 and C1. This bias circuit
should be located as close as possible to the input pin. The ratio of
R1 and R2 might need to be adjusted to position the V_REF in the
center of the input voltage swing. For example, if the input clock swing
is only 2.5V and VDD = 3.3V, V_REF should be 1.25V and R2/R1 =
0.609.
Figure 1. Single-Ended Signal Driving Differential Input
Recommendations for Unused Output Pins
Outputs:
LVDS Outputs
All unused LVDS output pairs can be either left floating or terminated
with 100
across. If they are left floating, there should be no trace
attached.
V_REF
Single Ended Clock Input
VDD
CLK
nCLK
R1
1K
C1
0.1u
R2
1K
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85408BGILF-HT 制造商:Integrated Device Technology Inc 功能描述:CLOCK BFFR 16-OUT 24TSSOP - Rail/Tube
85408BGILFT 功能描述:時(shí)鐘驅(qū)動(dòng)器及分配 Low Skew 1-to-8 Diff to LVDS Clock Dist 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
85408BGIT 制造商:Integrated Device Technology Inc 功能描述:85408BGIT - Tape and Reel
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