参数资料
型号: ICS85108AGILFT
厂商: IDT, Integrated Device Technology Inc
文件页数: 15/16页
文件大小: 0K
描述: IC CLK BUFFER 1:8 500MHZ 24TSSOP
标准包装: 1,000
系列: HiPerClockS™
类型: 扇出缓冲器(分配)
电路数: 1
比率 - 输入:输出: 1:8
差分 - 输入:输出: 是/是
输入: HCSL,LVDS,LVHSTL,LVPECL,SSTL
输出: HCSL
频率 - 最大: 500MHz
电源电压: 2.97 V ~ 3.63 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 24-TSSOP
包装: 带卷 (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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