参数资料
型号: ICS8432DY-101LFT
厂商: IDT, Integrated Device Technology Inc
文件页数: 2/20页
文件大小: 0K
描述: IC SYNTHESIZER 700MHZ 32-LQFP
标准包装: 1,000
系列: HiPerClockS™
类型: 频率合成器
PLL: 带旁路
输入: HCSL,LVDS,LVHSTL,LVPECL,SSTL
输出: LVPECL
电路数: 1
比率 - 输入:输出: 1:2
差分 - 输入:输出: 是/是
频率 - 最大: 700MHz
除法器/乘法器: 是/无
电源电压: 3.135 V ~ 3.465 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 32-LQFP
供应商设备封装: 32-TQFP(7x7)
包装: 带卷 (TR)
其它名称: 8432DY-101LFT
IDT / ICS 700MHZ, 3.3V LVPECL FREQUENCY SYNTHESIZER
10
ICS8432DY-101 REV. C APRIL 10, 2007
ICS8432-101
700MHZ, DIFFERENTIAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
FIGURE 4C. HIPERCLOCKS CLK/NCLK INPUT DRIVEN BY
3.3V LVPECL DRIVER
FIGURE 4B. HIPERCLOCKS CLK/NCLK INPUT DRIVEN BY
3.3V LVPECL DRIVER
FIGURE 4D. HIPERCLOCKS CLK/NCLK INPUT DRIVEN BY
3.3V LVDS DRIVER
3.3V
R1
50
R3
50
Zo = 50 Ohm
LVPECL
Zo = 50 Ohm
HiPerClockS
CLK
nCLK
3.3V
Input
R2
50
Zo = 50 Ohm
Input
HiPerClockS
CLK
nCLK
3.3V
R3
125
R2
84
Zo = 50 Ohm
3.3V
R4
125
LVPECL
R1
84
3.3V
DIFFERENTIAL CLOCK INPUT INTERFACE
The CLK /nCLK accepts LVDS, LVPECL, LVHSTL, SSTL, HCSL
and other differential signals. Both V
SWING and VOH must meet the
V
PP and VCMR input requirements.
Figures 4A to 4E show interface
examples for the HiPerClockS CLK/nCLK input driven by the most
common driver types. The input interfaces suggested here are
FIGURE 4A. HIPERCLOCKS CLK/NCLK INPUT DRIVEN BY
ICS HIPERCLOCKS LVHSTL DRIVER
examples only. Please consult with the vendor of the driver
component to confirm the driver termination requirements. For
example in Figure 4A, the input termination applies for IDT
HiPerClockS LVHSTL drivers. If you are using an LVHSTL driver
from another vendor, use their termination recommendation.
1.8V
R2
50
Input
LVHSTL Driver
ICS
HiPerClockS
R1
50
LVHSTL
3.3V
Zo = 50 Ohm
HiPerClockS
CLK
nCLK
FIGURE 4E. HIPERCLOCKS CLK/NCLK INPUT DRIVEN BY
3.3V LVPECL DRIVER WITH AC COUPLE
Zo = 50 Ohm
R3
125
HiPerClockS
CLK
nCLK
3.3V
R5
100 - 200
3.3V
R2
84
3.3V
R6
100 - 200
Input
R5,R6 locate near the driver pin.
Zo = 50 Ohm
R1
84
R4
125
C2
LVPECL
C1
Zo = 50 Ohm
R1
100
3.3V
LVDS_Driv er
Zo = 50 Ohm
Receiv er
CLK
nCLK
3.3V
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