English
Language : 

BU91799KV-M Datasheet, PDF (5/29 Pages) Rohm – Low Duty LCD Segment Driver for Automotive Application
BU91799KV-M MAX 200 segments (SEG50×COM4)
Electrical Characteristics - continued
MPU interface Characteristics
(VDD=2.5V to 6.0V, VLCD=2.5V to 6.0V, VSS=0V, Ta=-40°C to 105°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
-
-
ns
SDA Hold Time
tSDH
100
-
-
ns
Buss Free Time
tBUF
1.3
-
-
µs
START Condition Hold Time tHD;STA 0.6
-
-
µs
START Condition Setup Time tSU;STA 0.6
-
-
µs
STOP Condition Setup Time tSU;STO 0.6
-
-
µs
SDA
SCL
tBUF
tS LW
tf
tSCYC
SDA
I/O Equivalence Circuit
VDD
VSS
VLCD
tHD; STA tr
tSDH tS HW tSDS
tSU; STA
Figure 5. Interface Timing
SDA
VSS
SCL
tSU; STO
VSS
VDD
OSCIN
VSS
VLCD
SEG/COM
VSS
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111ï½¥15ï½¥001
VSS
VDD
TEST1
VSS
VDD
INHb
VSS
Figure 6. I/O Equivalence Circuit
5/25
TSZ02201-0P4P0D301050-1-2
8. Feb. 2016 Rev.001