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參數(shù)資料
| 型號： | BU9718KV |
| 廠商： | Rohm CO.,LTD. |
| 英文描述： | Picture cell driver for STN LCD driver for low voltage power supplies |
| 中文描述： | 圖片的STN液晶顯示器低壓電源驅(qū)動單元驅(qū)動程序 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大小： | 157K |
| 代理商： | BU9718KV |
1
Standard ICs
Picture cell driver for STN (LCD driver)
for low voltage power supplies
BU9718KV
The BU9718KV is a driver IC designed for the character-type STN liquid crystal panels which are ideal for applica-
tions such as portable devices. The number of display segments includes 32 output segments and 3 common out-
puts, enabling drive of up to 96 segments. A compact 48-pin QFP package with a pitch of 0.5 mm is used, enabling
compact size for the set as a whole.
Applications
Portable terminals (POS, ECR, PDA, and others),
movie projectors, cameras, telephones (cordless hand-
Features
1) Operates on 3V power supply.
2) Low current dissipation. (0.1
μ
A in low power mode
(actual value))
3) Compact package. (molded section is 7.0 mm
u
)
4) Up to 32 segment output pins and 3 common output
pins are provided, enabling a total display of up to
96 segments.
5) 1 / 3 duty display.
6) Either 1 / 2 or 1 / 3 bias can be selected for power sup-
ply for LCD display.
held telephone units), and others Low-voltage power
supply sets
Absolute maximum ratings (Ta = 25°C, V
SS
= 0V)
Parameter
Power supply voltage
1
Input voltage
1
Output voltage
1
Output current
V
DD
V
IN
V
OUT
I
SO
– 0.3 ~ + 7.0
– 0.3 ~ V
DD
+ 0.3
– 0.3 ~ V
DD
+ 0.3
300
V
Symbol
V
DD
OSC, CS, CK, DI, RES
OSC
S
1
~ S
32
Pin
Limits
Unit
V
V
μ
A
I
CO
3
COM
1
~ COM
3
mA
Power dissipation
Pd
400
2
—
mW
Storage temperature
1 Max. voltage that can be applied with a V
SS
pin
2 Reduced by 4.0mW for each increase in Ta 1
°
C over 25
°
C.
Recommended operating conditions (Ta = 25°C, V
SS
= 0V)
Parameter
Power supply voltage
Tstg
– 55 ~ + 125
—
°
C
V
DD
V
Symbol
V
DD
Pin
2.7
Min.
—
Typ.
3.5
Input voltage
Oscillation freq., with
external input
V
DD1
V
V
DD1
0
2 / 3 V
DD
V
DD
V
DD2
V
V
DD2
0
1 / 3 V
DD
V
DD
f
OSC
kHz
OSC
—
38
100
External resistance
R
k
OSC
—
47
—
External capacitance
C
pF
OSC
—
1000
—
Operating temperature
Indicates the max. voltage that can be applied with a V
SS
pin.
Topr
°
C
—
– 40
—
85
Max.
Unit
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