参数资料
型号: ICS83PR226BKI-01LFT
厂商: IDT, Integrated Device Technology Inc
文件页数: 6/23页
文件大小: 0K
描述: IC SYNTHESIZER PROGR 10-VFQFPN
标准包装: 2,500
系列: HiPerClockS™, FemtoClock™
类型: 时钟/频率合成器
PLL:
输入: 晶体
输出: LVPECL
电路数: 1
比率 - 输入:输出: 1:1
差分 - 输入:输出: 无/是
频率 - 最大: 213.33MHz
除法器/乘法器: 是/无
电源电压: 2.375 V ~ 3.465 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-VQFN 裸露焊盘
供应商设备封装: 10-VFQFPN(5x7)
包装: 带卷 (TR)
其它名称: 83PR226BKI-01LFT
ICS83PR226BKI-01 REVISION B AUGUST 10, 2010
14
2010 Integrated Device Technology, Inc.
ICS83PR226I-01 Data Sheet
PROGRAMMABLE FEMTOCLOCK LVPECL OSCILLATOR REPLACEMENT
Termination for 2.5V LVPECL Outputs
Figure 5A and Figure 5B show examples of termination for 2.5V
LVPECL driver. These terminations are equivalent to terminating 50
to VCC – 2V. For VCC = 2.5V, the VCC – 2V is very close to ground
level. The R3 in Figure 5B can be eliminated and the termination is
shown in Figure 5C.
Figure 5A. 2.5V LVPECL Driver Termination Example
Figure 5C. 2.5V LVPECL Driver Termination Example
Figure 5B. 2.5V LVPECL Driver Termination Example
2.5V LVPECL Driver
VCC = 2.5V
2.5V
50
50
R1
250
R3
250
R2
62.5
R4
62.5
+
2.5V LVPECL Driver
VCC = 2.5V
2.5V
50
50
R1
50
R2
50
+
2.5V LVPECL Driver
VCC = 2.5V
2.5V
50
50
R1
50
R2
50
R3
18
+
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