參數(shù)資料
型號: ICS85108AGILFT
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 15/16頁
文件大小: 0K
描述: IC CLK BUFFER 1:8 500MHZ 24TSSOP
標準包裝: 1,000
系列: HiPerClockS™
類型: 扇出緩沖器(分配)
電路數(shù): 1
比率 - 輸入:輸出: 1:8
差分 - 輸入:輸出: 是/是
輸入: HCSL,LVDS,LVHSTL,LVPECL,SSTL
輸出: HCSL
頻率 - 最大: 500MHz
電源電壓: 2.97 V ~ 3.63 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 24-TSSOP
包裝: 帶卷 (TR)
ICS85108I Data Sheet
LOW SKEW, 1-TO-8, DIFFERENTIAL-TO-0.7V HCSL CLOCK DISTRIBUTION CHIP
ICS85108AGI REVISION A OCTOBER 23, 2009
8
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:
Differential Outputs
All unused differential outputs can be left floating. We recommend
that there is no trace attached. Both sides of the differential output
pair should either be left floating or terminated.
V_REF
Single Ended Clock Input
VDD
CLK
nCLK
R1
1K
C1
0.1u
R2
1K
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