参数资料
型号: SI5322/23-EVB
厂商: Silicon Laboratories Inc
文件页数: 24/24页
文件大小: 0K
描述: BOARD EVAL FOR SI5322/23
标准包装: 1
主要目的: 计时,时钟发生器
已用 IC / 零件: SI5322,SI5323
已供物品: 板,线缆,CD,文档
Si5322
Rev. 0.51
9
1.1. Three-Level (3L) Input Pins (No External Resistors)
Figure 3. Three-Level Input Pins
1.2. Three-Level Input Pins (Example with External Resistors)
Figure 4. Three-Level Input Pins
Table 4. Three-Level Input Pins1,2,3,4
Parameter
Min
Max
Input Low Current
–30 A
Input Mid Current
–11 A
Input High Current
–30 A
Notes:
1. The current parameters are the amount of leakage that the 3L inputs can tolerate from an external driver using the
external resistor values indicated in this example. In most designs, an external resistor voltage divider is
recommended.
2.
Resistor packs are only needed if the leakage current of the external driver exceeds the current specified in
Table 2, Iimm. Any resistor pack may be used (e.g., Panasonic EXB-D10C183J). PCB layout is not critical.
3. If a pin is tied to ground or VDD, no resistors are needed.
4.
If a pin is left open (no connect), no resistors are needed.
External Driver
Si5322
Iimm
75 k
VDD
75 k
External Driver
Si5322
3L input current
18 k
VDD
18 k
75 k
VDD
75 k
One of eight resistors from a Panasonic EXB-D10C183J
(or similar) resistor pack
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SI5322-B-GMR 制造商:Silicon Laboratories Inc 功能描述:PIN-PROGRAMMABLE PRECISION CLOCK MULTIPLIER, 2 OUTPUTS - Tape and Reel
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SI5322-C-GMR 功能描述:时钟发生器及支持产品 Pin-Ctrl Precision Clk Xplier 2/2 RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56
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