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參數(shù)資料
| 型號： | BU9728 |
| 廠商： | Rohm CO.,LTD. |
| 英文描述： | LCD driver for segment-type LCDs |
| 中文描述： | LCD驅(qū)動段型液晶顯示器 |
| 文件頁數(shù)： | 4/10頁 |
| 文件大小： | 103K |
| 代理商： | BU9728 |
4
Standard ICs
BU9728AKV
Electrical characteristics
DC characteristics (unless otherwise noted, V
DD
= 2.5 ~ 5.5V, V
SS
= 0V, Ta = 25°C)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
Pin
Input low level current 1
I
IL1
—
—
100
μ
A
V
IN
=
0V
Input low level current 2
I
IL2
—
—
2
μ
A
V
IN
=
0V
Input high level voltage
V
IH1
0.8
—
V
DD
V
Input low level voltage
V
IL1
0
—
—
—
0.2
V
LCD driver ON resistance
1
R
ON
—
—
30
k
V
ON
=
0.1V
Input high level current
I
IH
–
2
—
—
μ
A
V
IN
=
V
DD
Input capacitance
C
IN
—
5
—
pF
RESET
RESET
SD, SCK, C / D, CS
OSC
1
, SD, SCK, C / D, CS
OSC
1
, SD, SCK, C / D, CS
RESET
SEG
0 ~ 31
, COM
0 ~ 3
OSC
1
, SD, SCK, C / D, CS,
—
0.05
1
μ
A
In wait state
2
When display is operating
3
During access operation
4
Current dissipation
I
DD
—
40
80
μ
A
V
DD
—
100
250
μ
A
1 Internal power supply impedance is not included in the LCD driver ON resistance.
2 All inputs, including V
3
= 0V and OSC
1
, are fixed at either V
DD
or V
SS
.
3 Except for V
3
= 0V, Rf = 470k
, and OSC
1
, all inputs are fixed at either V
DD
or V
SS
.
4 V
3
= 0V, Rf = 470k
, f
SCK
= 200kHz
—
×
V
DD
×
V
DD
AC characteristics (unless otherwise noted, V
DD
= 2.5 ~ 5.5V, V
SS
= 0V, Ta = 25°C)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
t
CYC
800
—
—
ns
t
WAIT
800
—
—
ns
t
WH1
300
—
—
ns
t
TLH
—
—
100
ns
t
THL
—
—
100
ns
t
WL1
300
—
—
ns
t
SU1
100
—
—
ns
t
H1
100
—
—
ns
t
WH2
300
—
—
ns
t
WL2
6400
—
—
ns
5 Only one (either one) of the conditions needs to be satisfied.
t
SU3
100
—
—
ns
t
H3
100
—
—
ns
t
CCH
100
—
—
ns
t
SCH
100
—
—
ns
t
SU2
100
—
—
ns
t
H2
100
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
ns
Use rise for 8th CK of SCK as standard
Use CS riss as standard
Use rise for 8th CK of SCK as standard
SCK rise time
SCK fall time
SCK cycle time
Command wait time
SCK pulse width
"H"
SCK pulse width
"L"
Data setup time
Data hold time
CS pulse width
"H"
CS pulse width
"L"
CS set-up time
CS hold time
C / D set-up time
C / D hold time
C / D - CS time
5
C / D - SCK time
5
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| BU9728AKV | 制造商:ROHM Semiconductor 功能描述: |
| BU9728AKV_08 | 制造商:ROHM 制造商全稱:Rohm 功能描述:For 128-140 Segment type LCD LCD Segment Driver |
| BU9728AKV-E2 | 功能描述:LCD 驅(qū)動器 LCD DRIVER 32X4 RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| BU9728AKV-E2-CUT TAPE | 制造商:ROHM 功能描述:BU Series 2.5 to 5.5 V 128 Segment Surface Mount Picture Cell Driver - VQFP-48C |
| BU9729 | 制造商:ROHM 制造商全稱:Rohm 功能描述:Segment-type LCD driver |
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