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BU97981KV-E2 Datasheet, PDF (9/50 Pages) Rohm – Multi-function LCD Segment Drivers
BU97981xxx Series MAX 196 segments (SEG49xCOM4)
Datasheet
MPU Interface Characteristics (Ta=-30°C to +75 °C, VDD=1.8V to 3.6V, VLCD=3.3V to 5.5V, VSS=0)
Parameter
Limits
Symbol
Unit
Min
Typ
Max
Conditions
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
SCL
SD
tCSS
tf
tr
tSCY C
tSLW
tSHW
tSDS tSDH
tCSH
Figure 8. Serial Interface Timing
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10.Apr.2015 Rev.006