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BU9794AFUV-E2 датащи(PDF) 4 Page - Rohm

номер детали BU9794AFUV-E2
подробное описание детали  Standard Segment Drivers
Download  15 Pages
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производитель  ROHM [Rohm]
домашняя страница  http://www.rohm.com
Logo ROHM - Rohm

BU9794AFUV-E2 датащи(HTML) 4 Page - Rohm

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Technical Note
4/14
BU9795AKV,BU9795AFV,BU9795AGUW,BU9794AKV,BU97950FUV
www.rohm.com
2011.03 - Rev.A
© 2011 ROHM Co., Ltd. All rights reserved.
<BU9794AKV>
DC Characteristics (VDD=2.5~5.5V, VLCD=2.5~5.5V, VSS=0V, Ta=-40~85℃, unless otherwise specified)
Parameter
Symbol
Limits
Unit
Condition
Min.
Typ.
Max.
“H” level input voltage
VIH
0.8VDD
-
VDD
V
SD,SCL,CSB
“L” level input voltage
VIL
VSS
-
0.2VDD
V
SD,SCL,CSB
“H” level input current
IIH
-
-
1
µA
SD,SCL,CSB
“L” level input current
IIL
-1
-
-
µA
SD,SCL,CSB
LCD Driver
on resistance
SEG
RON
-
3.5
-
kΩ
Iload=±10µA
COM
RON
-
3.5
-
kΩ
Standby current
Ist
-
-
5
µA
Display off, Oscillation off
Power consumption 1
IDD
-
5
15
µA
VDD=3.3V, VLCD=5V, Ta=25℃
Power save mode1, FR=70Hz
1/3 bias, Frame inverse
Power consumption 2
ILCD
-
10
20
µA
VDD=3.3V, VLCD=5V, Ta=25℃
Power save mode1, FR=70Hz
1/3 bias, Frame inverse
Oscillation Characteristics (VDD=2.5~5.5V, VLCD=2.5~5.5V, VSS=0V, Ta=-40~85℃, unless otherwise specified)
Parameter
Symbol
Limits
Unit
Condition
Min.
Typ.
Max.
Frame frequency
fCLK
68
80
92
Hz
FR = 80Hz setting, VDD=3.3V
MPU interface Characteristics (VDD=2.5~5.5V, VLCD=2.5~5.5V, VSS=0V, Ta=-40~85℃, unless otherwise specified)
Parameter
Symbol
Limits
Unit
Condition
Min.
Typ.
Max.
Input rise time
tr
-
-
80
ns
Input fall time
tf
-
-
80
ns
SCL cycle time
tSCYC
400
-
-
ns
“H” SCL pulse width
tSHW
100
-
-
ns
“L” SCL pulse width
tSLW
100
-
-
ns
SD setup time
tSDS
20
-
-
ns
SD hold time
tSDH
50
-
-
ns
CSB setup time
tCSS
50
-
-
ns
CSB hold time
tCSH
50
-
-
ns
“H” CSB pulse time
tCHW
50
-
-
ns
Fig.2 Interface Timing (BU9794AKV)
CSB
SCL
SD
tCSH
tSCYC
tSLW
tSHW
tSDS
tSDH
tf
tr
tCSS
tCHW


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