參數(shù)資料
型號: SI5323-B-GM
廠商: Silicon Laboratories Inc
文件頁數(shù): 40/40頁
文件大小: 0K
描述: IC MULTIPLIER/ATTENUATOR 36QFN
標準包裝: 50
系列: DSPLL®
類型: 時鐘乘法器
PLL:
輸入: 時鐘
輸出: CML,CMOS,LVDS,LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 2:2
差分 - 輸入:輸出: 是/是
頻率 - 最大: 1.05GHz
除法器/乘法器: 無/是
電源電壓: 1.71 V ~ 3.63 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 36-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 36-QFN(6x6)
包裝: 管件
Si5323
Rev. 1.0
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 3. 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
Si5323
Iimm
75 k
VDD
75 k
External Driver
Si5323
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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