BU97930MUV_15 Datasheet, PDF (4/32 Pages) Rohm – Multifunction LCD Segment Driver

BU97930MUV MAX 108 segments (SEG27×COM4)
●Electrical Characteristics – continued
Oscillation Frequency Characteristics (Ta=-40°C to +85°C, VDD=1.8V to 3.6V, VLCD=2.7V to 5.5V, VSS=0)
Parameter
Limit
Symbol
Unit
MIN MIN MIN
Condition
Frame frequency 1
fFR1 57.6 64 70.4 Hz VDD=3.3V, Ta=25°C, fFR=64Hz setting
Frame frequency 2
fFR2 51.2 64 73.0 Hz VDD=2.5 to 3.6V fFR=64Hz setting
Frame frequency 3
fFR3 45.0
-
64
Hz VDD=1.8 to 2.5V fFR=64Hz setting
MPU interface Characteristics (Ta=-40°C to +85°C, VDD=1.8V to 3.6V, VLCD=2.7V to 5.5V, VSS=0)
Parameter
Limit
Symbol
unit
MIN TYP MAX
Condition
Input rise time
tr
-
-
50
ns
Input fall time
tf
-
-
50
ns
SCL cycle time
tSCYC 250
-
-
ns
“H” SCL pulse width
tSHW
50
-
-
ns
“L” SCL pulse width
tSLW
50
-
-
ns
SD setup time
tSDS
50
-
-
ns
SD hold time
tSDH
50
-
-
ns
CSB setup time
tCSS
50
-
-
ns
CSB hold time
tCSH
50
-
-
ns
“H” CSB pulse width
tCHW
50
-
-
ns
tCHW
CSB
tCSS
tf
tr
tSCYC
SCL
tSLW
tSHW
tSDS tSDH
tCSH
SD
Figure 4. Serial interface timing
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111ï½¥15ï½¥001
4/28
TSZ02201-0A0A2D300060-1-2
10.Apr.2015 Rev.004