BU91799KV-M
MAX 200 segments (SEG50×COM4)
Electrical Characteristics – continued
Oscillation Characteristics
(VDD=2.5 to 6.0V, VLCD=2.5 to 6.0V, VSS=0V, Ta=-40°C to +105°C, unless otherwise specified)
Limits
Parameter
Symbol
Unit
Conditions
Min
56
Typ
80
Max
112
FR = 80Hz setting,
VDD=2.5V to 6.0V, Ta=-40°C to +105°C
Frame Frequency1
fCLK1
Hz
Frame Frequency2
Frame Frequency3
fCLK2
fCLK3
70
80
90
Hz FR = 80Hz setting, VDD=3.3V, Ta=25°C
Hz FR = 80Hz setting, VDD=5.0V, Ta=25°C
77.5
87.5
97.5
FR = 80Hz setting, VDD=5.0V,
Ta=-40°C to +105°C
Frame Frequency4
fCLK4
67.5
87.5
108
Hz
External Clock Rise Time
External Clock Fall Time
External Frequency
tr
tf
-
-
-
0.3
0.3
300
70
µs
-
µs
External clock mode (OSCIN)(Note)
KHz
fEXCLK
tdty
15
30
-
External Clock Duty
50
%
(Note) <Frame frequency calculation at external clock mode>
DISCTL 80HZ setting: Frame frequency [Hz] = external clock [Hz] / 512
DISCTL 71HZ setting: Frame frequency [Hz] = external clock [Hz] / 576
DISCTL 64HZ setting: Frame frequency [Hz] = external clock [Hz] / 648
DISCTL 53HZ setting: Frame frequency [Hz] = external clock [Hz] / 768
【Reference Data】
110
100
90
VDD = 6.0V
VDD = 5.0V
VDD = 3.3V
VDD = 2.7V
80
70
60
50
-40 -20
0
20 40 60 80 100
Temperature [°C]
Figure 4.Typical Temperature Characteristics
www.rohm.com
TSZ02201-0P4P0D301050-1-2
8. Feb. 2016 Rev.001
© 2015 ROHM Co., Ltd. All rights reserved.
4/25
TSZ22111・15・001