Figure 95 Front side of the board
Keyboard interface electrical characteristics
Description
Parameter
Min
Typ
Max
Unit
Notes
High-level
input voltage
V
IH
0.65* V
DDS
V
DDS
0.3+ V
DDS
V
Row
Low-level
input voltage
V
IL
-0.3
0
0.35* V
DDS
V
Row
High-level
output
voltage
V
OH
1.62
V
DDS
1.98
V
Column
RM-132; RM-133
Nokia Customer Care
System Module
Page 9 –30
COMPANY CONFIDENTIAL
Issue 1
Copyright © 2006 Nokia. All rights reserved.