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The BU9206 is a PS / 2 mouse communication controller for PCs. This processor shapes waveforms and counts signals from the mouse rotary encoder as the mouse is moved, to provide two-way communication between mouse and PC system.
BU9206 Maximum Ratings
Parameter
Symbol
Limits
Unit
Power supply voltage
VDD
0.3 ~ + 7.0
V
Power dissipation
Pd
1000*
mW
Operating temperature
Topr
25 ~ + 75
Storage temperature
Tstg
55 ~ + 125
Input voltage
VIN
0.3 ~ VDD + 0.3
Output voltage
VOUT
0.3 ~ VDD + 0.3
V
* Reduced by 10 mW for each increase in Ta of 1 over 25.
BU9206 Features
· For PS / 2 mouse. · Compatible with a wide range of input signals, because it automatically sets the input threshold levels for the X and Y direction, corresponding to the output level of the rotary encoder inside the mouse. · CMOS process enables low current consumption.