参数资料
型号: ICS1574BMLF
厂商: IDT, Integrated Device Technology Inc
文件页数: 9/12页
文件大小: 0K
描述: IC CLOCK GEN PROGR LASER 16-SOIC
标准包装: 48
类型: 时钟/频率合成器,时钟发生器
PLL:
输入: 时钟,晶体
输出: CMOS
电路数: 1
比率 - 输入:输出: 1:1
差分 - 输入:输出: 无/无
频率 - 最大: 400MHz
除法器/乘法器: 是/无
电源电压: 4.75 V ~ 5.25 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
供应商设备封装: 16-SOIC
包装: 管件
其它名称: 1574BMLF
ICS1574B
6
Figure 4
Power Supplies and Decoupling
The ICS1574B has two VSS pins to reduce the effects of
package inductance. Both pins are connected to the same
potential on the die (the ground bus). BOTH of these pins
should connect to the ground plane of the PCB as close to
the package as is possible.
The ICS1574B has a VDDO pin which is the supply of +5
volt power to the output driver. This pin should be con-
nected to the power plane (or bus) using standard
high-frequency decoupling practice. That is, capacitors
should have low series inductance and be mounted close to
the ICS1574B.
The VDD pin is the power supply pin for the PLL synthe-
sizer circuitry and other lower current digital functions.
We recommend that RC decoupling or zener regulation be
provided for this pin (as shown in the recommended appli-
cation circuitry). This will allow the PLL to “track”
through power supply fluctuations without visible effects.
See Figure 4 for typical external circuitry.
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