BU9797FUV Datasheet, PDF (4/28 Pages) Rohm – Integrated Buffer AMP for LCD Driving

BU9797FUV MAX 144 segments (SEG36×COM4)
Datasheet
Electrical Characteristics - continued
MPU interface Characteristics (VDD=2.5V to 5.5V, VLCD=0V, VSS=0V, Ta=-40°C to 85°C, unless otherwise specified)
Parameter
Limits
Symbol
Unit
Min
Typ
Max
Conditions
Input Rise Time
tr
-
-
0.3 µs
Input Fall Time
tf
-
-
0.3 µs
SCL Cycle Time
tSCYC 2.5
-
-
µs
“H” SCL Pulse Width
tSHW
0.6
-
-
µs
“L” SCL Pulse Width
tSLW
1.3
-
-
µs
SDA Setup Time
tSDS
100
-
-
µs
SDA Hold Time
tSDH
100
-
-
us
Buss Free Time
tBUF
1.3
-
-
µs
START Condition Hold Time tHD;STA 0.6
-
START Condition Setup
Time
tSU;STA 0.6
-
STOP Condition Setup Time tSU;STO 0.6
-
-
µs
-
µs
-
µs
SDA
SCL
SDA
I/O equivalence circuit
VDD
VLCD
VSS
SDA
tBUF
tS LW
tf
tSCYC
tHD; STA tr
tSDH tS HW tSDS
tSU; STA
Figure 4. Interface Timing
VDD
VSS
SCL
tSU; STO
VSS
VSS
VDD
TEST1
VSS
VDD
OSCIN
VSS
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VDD
SEG/COM
VSS
Figure 5. I/O equivalence circuit
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TSZ02201-0P4P0D300820-1-2
5.Aug.2014 Rev.001