参数资料
型号: ICS85108AGILFT
厂商: IDT, Integrated Device Technology Inc
文件页数: 16/16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
9
2009 Integrated Device Technology, Inc.
Differential Clock Input Interface
The CLK /nCLK accepts LVDS, LVPECL, LVHSTL, SSTL, HCSL and
other differential signals. The differential signals must meet the VPP
and VCMR input requirements. Figures 2A to 2F show interface
examples for the HiPerClockS CLK/nCLK input driven by the most
common driver types. The input interfaces suggested here are
examples only. Please consult with the vendor of the driver
component to confirm the driver termination requirements. For
example, in Figure 2A, the input termination applies for IDT
HiPerClockS open emitter LVHSTL drivers. If you are using an
LVHSTL driver from another vendor, use their termination
recommendation.
Figure 2A. HiPerClockS CLK/nCLK Input
Driven by an IDT Open Emitter
HiPerClockS LVHSTL Driver
Figure 2C. HiPerClockS CLK/nCLK Input
Driven by a 3.3V LVPECL Driver
Figure 2E. HiPerClockS CLK/nCLK Input
Driven by a 3.3V HCSL Driver
Figure 2B. HiPerClockS CLK/nCLK Input
Driven by a 3.3V LVPECL Driver
Figure 2D. HiPerClockS CLK/nCLK Input
Driven by a 3.3V LVDS Driver
Figure 2F. HiPerClockS CLK/nCLK Input
Driven by a 2.5V SSTL Driver
R1
50
R2
50
1.8V
Zo = 50
Zo = 50
CLK
nCLK
3.3V
LVHSTL
IDT
HiPerClockS
LVHSTL Driver
HiPerClockS
Input
R3
125
R4
125
R1
84
R2
84
3.3V
Zo = 50
Zo = 50
CLK
nCLK
3.3V
LVPECL
HiPerClockS
Input
HCSL
*R3
33
*R4
33
CLK
nCLK
2.5V
3.3V
Zo = 50
Zo = 50
HiPerClockS
Input
R1
50
R2
50
*Optional – R3 and R4 can be 0
CLK
nCLK
HiPerClockS
Input
LVPECL
3.3V
Zo = 50
Zo = 50
3.3V
R1
50
R2
50
R2
50
3.3V
R1
100
LVDS
CLK
nCLK
3.3V
Receiver
Zo = 50
Zo = 50
CLK
nCLK
HiPerClockS
SSTL
2.5V
Zo = 60
Zo = 60
2.5V
3.3V
R1
120
R2
120
R3
120
R4
120
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