5. Electronic Characteristics
KB3920 Keyboard Controller Datasheet
5.1 Absolute Maximum Rating
Symbol
Parameter
VCC
Power source voltage
VI
Input voltage
VO
Output voltage
TOP
Operating temperature
Condition
All voltages are
referenced to VSS.
Ratings
-0.3 to 3.6
-0.3 to 3.6
-0.3 to 3.6
-25 to 85
Unit
V
V
V
℃
5.2 Recommended Operating Condition
Symbol
Parameter
VCC
VSS
VCCA
AGND
Power source voltage
Ground voltage
Analog reference voltage(A/D and
D/A converter is used)
Analog ground voltage
Min
3
-0.3
2.5
Limits
Typ
3.3
0
3.3
0
Max
3.6
0.3
3.6
Unit
V
V
V
V
5.3 Operating Current
Symbol
Parameter
Typical current consumption in
operating state under Windows
ICC
environment: all clock domains
are running, no PS2/KB/mouse
actions
Min
Limits
Typ
TBD
Max
Unit
mA
Copyright©2006, ENE Technology Inc.
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