Daattaasshheeeett
BU9795AFV-LB
MAX 108 segments (SEG27×COM4)
Electrical Characteristics - continued
Oscillation Characteristics (VDD=2.5V to 5.5V, VSS=0V, Ta=-40°C to +85°C)
Limits
Parameter
Symbol
Unit
Conditions
Min
56
Typ
80
Max
104
90
Frame Frequency
Frame Frequency1
fCLK
Hz FR = 80Hz setting
fCLK1
70
80
Hz VDD=3.5V, 25°C
MPU interface Characteristics (VDD=2.5V to 5.5V, VSS=0V, Ta=-40°C to +85°C)
Limits
Parameter
Symbol
Unit
Conditions
Min
-
Typ
Max
Input Rise Time
tr
-
-
-
-
-
-
-
-
-
-
80
80
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Input Fall Time
tf
-
SCL Cycle Time
“H” SCL Pulse Width
“L” SCL Pulse Width
SD Setup Time
tSCYC
tSHW
tSLW
tSDS
tSDH
tCSS
tCSH
tCHW
400
100
100
20
50
50
50
50
-
-
-
SD Hold Time
-
CSB Setup Time
-
CSB Hold Time
“H” CSB Pulse Width
-
-
tCHW
CSB
tCSH
tCSS
tSLW
tr
tf
tSCYC
tSHW
tSDS tSDH
SCL
SD
Figure 4. Interface Timing
I/O Equivalence Circuit
VDD
TEST
VSS
VDD
VLCD
VLCD
SEG4-30
COM0-3
VSS
VSS
VDD
VDD
CSB, SD, SCL
VSS
OSCIN
VSS
VDD
INHb
VDD
VSS
VSS
Figure 5. I/O equivalence circuit
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TSZ02201-0P4P0D300510-1-2
26.Feb.2014 Rev.002
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