User Guide
Description Parameter Min Max Unit Notes
High-level
input voltage:
V
High (driven) V
IH
2
High (floating) V
IHZ
2.7 3.6
Low-level input
voltage
V
IL
0.8 V
Differential
input
sensitivity
V
DI
0.2 V |(D+) - (D-)|
Differential
input voltage
range
V
CM
0.8 2.5 V Included VDI
range
Low-level
output voltage
V
OL
0 0.3 V
High-level
output voltage
(driven)
V
OH
2.8 3.6 V
Output signal
crossover
voltage
V
CRS
1.3 2 V
FBUS interface electrical characteristics
Description Parameter Min Max Unit Notes
High-level
input voltage
V
IH
0.7 x V
DDSHV2
V
DDSHV2
V Helen2/3 specific
Low-level
Input voltage
V
IL
0 0.3 x V
DDSHV2
V
High-level
output
voltage
V
OH
0.8 x V
DDSHV2
V
DDSHV2
V
Low-level
output
voltage
V
OL
0 0.22 x V
DDSHV2
V
Rise/fall time
tR/tF
0 25 ns
(VDDSHV2 = 1.8V)
RM-42
System Module Nokia Customer Care
9241872 (Issue 1) Company Confidential Page 9–33
Copyright ©2005 Nokia. All Rights Reserved.










