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ML9473 [ROHM]

ML9473是带有1/3、1/4及1/5Duty切换引脚的动态显示用LCD驱动器，选择1/5Duty时可直接驱动多达300段、选择1/4Duty时可直接驱动多达240段、选择1/3Duty时可直接驱动多达180段的LCD。;
ML9473
型号： ML9473
厂家： ROHM    ROHM
描述：

ML9473是带有1/3、1/4及1/5Duty切换引脚的动态显示用LCD驱动器，选择1/5Duty时可直接驱动多达300段、选择1/4Duty时可直接驱动多达240段、选择1/3Duty时可直接驱动多达180段的LCD。

驱动 CD 驱动器
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Dear customer  
LAPIS Semiconductor Co., Ltd. ("LAPIS Semiconductor"), on the 1st day of October,  
2020, implemented the incorporation-type company split (shinsetsu-bunkatsu) in which  
LAPIS established a new company, LAPIS Technology Co., Ltd. (“LAPIS  
Technology”) and LAPIS Technology succeeded LAPIS Semiconductor’s LSI business.  
Therefore, all references to "LAPIS Semiconductor Co., Ltd.", "LAPIS Semiconductor"  
and/or "LAPIS" in this document shall be replaced with "LAPIS Technology Co., Ltd."  
Furthermore, there are no changes to the documents relating to our products other than  
the company name, the company trademark, logo, etc.  
Thank you for your understanding.  
LAPIS Technology Co., Ltd.  
October 1, 2020  
FEDL9473-01  
Issue Date: Aug. 21, 2008  
Semiconductor  
ML9473  
1/3, 1/4, 1/5 Duty 60 Output LCD Driver  
GENERAL DESCRIPTION  
The ML9473 is a LCD driver for dynamic display providing 3-duty-switchable pins (1/3, 1/4, 1/5 duty). It can  
directly drive LCDs of up to 300, 240 and 180 segments when 1/5, 1/4 and 1/3 duty are selected respectively.  
FEATURES  
• Operating range  
Supply voltage  
Operating temperature range  
• Segment output  
1/5 duty  
: 3.0 to 5.5 V  
: 40 to + 105C  
: 60 pins  
: Up to 300 segments can be displayed.  
: Up to 240 segments can be displayed.  
: Up to 180 segments can be displayed.  
: 4 MHz  
1/4 duty  
1/3 duty  
• Serial transfer clock frequency  
• Serical interface with CPU  
:Through three input pins (DATA_IN, LOAD, and CLOCK)  
• Built-in oscillator circuit for COMMON signals  
• One-to-one correspondence between input data and output data  
When input data is at “H” level  
When input data is at “L” level  
: Display goes on.  
: Display goes off.  
• The entire display can be turned off. (BLANK pin)  
• Package options  
80-pin plastic TQFP (TQFP80-P-1212-0.50-K) (Product name: ML9473TB)  
1/20  
FEDL9473-01  
LAPIS Semiconductor  
ML9473  
BLOCK DIAGRAM  
SEG1  
SEG60  
BLANK  
60-Dot Segment Driver  
60-Ch Data Selector  
60  
60  
60  
60  
60  
60-Bit  
60-Bit  
60-Bit  
60-Bit  
60-Bit  
Latch 5  
Latch 4  
Latch 3  
Latch 2  
Latch 1  
Latch  
Selector  
LOAD  
60  
DATA_IN  
CLOCK  
68-Stage Shift Register  
OSC_OUT  
OSC_OUT  
OSC_IN  
OSC  
VLC1  
Timing Generator  
VLC2  
VLC3  
DSEL1  
DSEL2  
COM1  
COM2  
COM3  
COM4  
COM5  
Common  
Driver  
VDD  
GND  
2/20  
FEDL9473-01  
LAPIS Semiconductor  
ML9473  
PIN CONFIGURATION (TOP VIEW)  
SEG41  
1
2
60  
59  
58  
57  
56  
55  
54  
53  
52  
51  
50  
49  
48  
47  
46  
45  
44  
43  
42  
41  
SEG20  
SEG42  
SEG43  
SEG19  
SEG18  
3
4
SEG44  
SEG45  
SEG17  
SEG16  
5
6
SEG46  
SEG47  
SEG15  
SEG14  
7
8
SEG13  
SEG12  
SEG48  
SEG49  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
SEG11  
SEG10  
SEG50  
SEG51  
SEG9  
SEG8  
SEG52  
SEG53  
SEG54  
SEG55  
SEG7  
SEG6  
SEG56  
SEG57  
SEG5  
SEG4  
SEG58  
SEG59  
SEG60  
SEG3  
SEG2  
SEG1  
80-Pin Plastic TQFP  
3/20  
FEDL9473-01  
LAPIS Semiconductor  
ML9473  
PIN DESCRIPTION  
Symbol  
Type  
Description  
Pins for oscillation. The oscillator circuit is configured by externally connecting two  
resistors and a capacitor. Make the wiring length as short as possible, because  
the resistor connected to the OSC_IN pin has a higher value and the circuit is  
susceptible to external noise.  
OSC_IN  
OSC_OUT  
OSC_OUT  
I
O
O
Serial data input pin. The display goes on when input data is at a “H” level, and it  
goes off when input data is at a “L” level.  
DATA_IN  
CLOCK  
LOAD  
I
I
I
Shift clock input pin. Data from the DATA_IN pin is transferred in synchronization  
with the rising edge of the shift clock.  
Load signal input pin. Serially input data is transferred to the 60-bit latch at “H”  
level of this load signal, then held at “L” level.  
Input pin that turns off all segments. The entire display goes off when “L” level is  
applied to this pin. The display returns to the previous state when “H” level is  
applied.  
BLANK  
l
Input pins to select 1/3, 1/4, or 1/5 duty. Following shows how each duty is  
selected.  
DSEL2  
DSEL1  
Duty selected  
DSEL1  
DSEL2  
I
I
L
L
L
H
X
1/3  
1/4  
1/5  
H
X: Don’t care  
COM1 to  
COM5  
Display output pins for LCD. These pins are connected to the COMMON side of  
the LCD panel.  
O
O
Display output pins for LCD. Theses pins are connected to the SEGMENT side of  
the LCD panel. For the correspondence between the output of these pins and  
input data, see the “Data Structure” Section.  
SEG1 to  
SEG60  
Bias pins for LCD driver. Through these pins, bias voltages for the LCD are  
externally supplied. The bias potential must meet the following condition:  
VLC1, VLC2,  
VLC3  
—
—
V
DD > VLC1 VLC2 > VLC3 =GND  
VDD, GND  
Supply voltage pin and ground pin.  
Note: Built-in schmitt circuit is used for all input pins.  
4/20  
FEDL9473-01  
LAPIS Semiconductor  
ML9473  
ABSOLUTE MAXIMUM RATINGS  
Parameter  
Supply Voltage  
Symbol  
VDD  
VI  
Condition  
Ta = 25°C  
Ta = 25°C  
—
Rating  
–0.3 to 6.5  
–0.3 to VDD+0.3  
–55 to 150  
650  
Unit  
V
Input Voltage  
V
Storage Temperature  
Power Dissipation  
Output Current  
TSTG  
PD  
°C  
Ta < 105°C  
—
mW  
mA  
IO  
–2.0 to 2.0  
RECOMMENDED OPERATING CONDITIONS  
Parameter  
Supply Voltage  
Symbol  
VDD  
Condition  
Range  
3.0 to 5.5  
0.75 to 4  
–40 to 105  
Unit  
V
VLC3 = GND  
CLOCK Frequency  
fCP  
—
—
MHz  
°C  
Operating Temperature  
Ta  
Oscillator Circuit  
Parameter  
Symbol  
R0  
Applicable pin  
OSC_OUT  
Condition  
Min.  
20  
Max.  
120  
0.01  
360  
Unit  
k  
F  
Oscillator Resistance  
Oscillator Capacitance  
Current Limiting Resistance  
Common Signal Frequency  
—
—
—
—
C0  
OSC_OUT  
0.00047  
62  
R1  
OSC_IN  
k  
Hz  
fCOM  
COM1 to COM5  
25  
250  
Note: See Section, “Reference Data”, for the resistor and capacitor values in the table.  
RC Values in Oscillator Circuit  
Parameter  
Symbol  
R0  
Applicable pin  
OSC_OUT  
OSC_OUT  
OSC_IN  
1/3 duty  
68  
1/4 duty  
51  
1/5 duty  
43  
Unit  
k  
F  
Oscillator Resistance  
Oscillator Capacitance  
Current Limiting Resistance  
C0  
0.001  
220  
0.001  
160  
0.001  
130  
R1  
k  
Example of an oscillator circuit:  
5/20  
FEDL9473-01  
LAPIS Semiconductor  
ML9473  
ELECTRICAL CHARACTERISTICS  
DC Characteristics  
(VDD = 3.0 to 5.5 V, Ta = –40 to +105°C, unless otherwise specified)  
Parameter  
Symbol Applicable pin  
Condition  
Min.  
Max.  
Unit  
CLOCK,  
VIH1  
“H” Input Voltage 1  
—
0.85 VDD  
VDD  
V
OSC_IN  
CLOCK,  
VIL1  
“L” Input Voltage 1  
—
GND  
0.15 VDD  
V
OSC_IN  
“H” Input Voltage 2  
“L” Input Voltage 2  
“H” Input Current  
“L” Input Current  
VIH2  
VIL2  
*1  
—
0.8 VDD  
GND  
VDD  
0.2 VDD  
10  
V
V
*1  
—
IIH  
All input pins  
All input pins  
VDD = 5.5 V, VI = VDD  
VDD = 5.5 V, VI = 0 V  
IO = 100 A  
—
A  
A  
V
IIL  
10  
—
VOC0a  
VOC1  
VOC2  
VOC3  
VOS0  
VOS1  
VOS2  
VOS3  
VDD 1  
VLC1 1  
VLC2 1  
—
—
IO = 100 A *3  
VLC1 +1  
VLC2 +1  
VLC3 +1  
—
V
COMMON Output  
Voltage  
COM1 - COM5 VDD = 3.0 V  
IO = 100 A *4  
IO = +100 A *5  
IO = 10 A  
V
V
VDD 1  
VLC1 1  
VLC2 1  
—
V
Segment Output  
Voltage  
IO = 10 A *3  
IO = 10 A *4  
IO = +10 A *5  
VLC1 +1  
VLC2 +1  
VLC3 +1  
V
SEG1 - SEG60, VDD = 3.0 V  
V
V
Supply Current  
IDD  
VDD  
VDD = 5.0 V, no load. *2  
—
0.5  
mA  
*1 Applies to all input pins excluding CLOCK and OSC_IN.  
*2 R0 = 51 kR1 = 160 kC0 = 0.001 F  
*3 VLC1 = 2.0V  
*4 VLC2 = 1.0V  
*5 VLC3 = 0V  
6/20  
FEDL9473-01  
LAPIS Semiconductor  
ML9473  
AC Characteristics  
(VDD =3.0 to 5.5V, Ta = –40 to +105°C, unless otherwise specified)  
Parameter  
Clock “H” Time  
Symbol  
tWHC  
tWLC  
tDS  
Condition  
Min.  
70  
Typ.  
—
—
—
—
—
—
—
—
—
—
—
—
Max.  
—
Unit  
ns  
—
—
—
—
—
—
—
—
—
—
—
—
Clock “L” Time  
70  
—
ns  
Data Set-up Time  
Data Hold Time  
50  
—
ns  
tDH  
50  
—
ns  
Load “H” Time  
tWHL  
tCL  
100  
100  
100  
—
—
ns  
Clock-to-load Time  
Load-to-Clock Time  
Clock Rise time, Fall time  
OSC_IN Input Frequency  
OSC_IN “H” Time  
OSC_IN “L” Time  
—
ns  
tLC  
—
ns  
tR1, tF1  
fOSC  
50  
20  
—
ns  
—
kHz  
s  
tWHO  
tWLO  
tR2, tF2  
20  
20  
—
s  
OSC_IN Rise time, Fall time  
—
100  
ns  
7/20  
FEDL9473-01  
LAPIS Semiconductor  
ML9473  
POWER-ON/OFF TIMING  
* VLC1, VLC2 are applied when VDD is applied to external bias resistor.  
INITIAL SIGNAL TIMING  
VDD  
BLANK  
* Once VDD is applied, BLANK should be applied to ‘L’ level to make all SEGMENTs off until first group of  
display data is latched.  
8/20  
FEDL9473-01  
LAPIS Semiconductor  
ML9473  
FUNCTIONAL DESCRIPTION  
Operation  
As shown in “Data Structure”, the display data consists of the data field corresponding to the output for turning  
the segments on or off and the select field that selects field that selects the input block of data. Data input to the  
DATA_IN pin is loaded into the 68-bit shift register, transferred to the 60-bit latch while the load signal is at “H”  
level, and then output via the 60-dot segment driver.  
D1  
D60  
DM2  
C1  
C3  
C5  
DM1  
DM3  
C2  
C4  
DATA_IN  
1
60  
61  
62  
63  
64  
65  
66  
67  
68  
CLOCK  
LOAD  
Data in  
display  
latch  
Old data  
New data  
Data Structure  
Input data  
First bit  
Corresponds to SEG60  
End bit  
C5  
Corresponds to SEG1  
C4  
C3  
C2  
C1  
DM3 DM2 DM1 D60  
D59  
D5  
D4  
D3  
D2  
D1  
Dummy bit  
(3 bits)  
Select bit  
(5 bits)  
LCD display data  
(60 bits)  
Correspondence between select bits and COM1 to COM5  
C5  
0
C4  
0
C3  
0
C2  
0
C1  
1
Description  
Display data corresponding to COM1  
Display data corresponding to COM2  
Display data corresponding to COM3  
Display data corresponding to COM4  
Display data corresponding to COM5  
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
0
Notes: 1. Arbitrary data can be set for the dummy bits.  
2. Select bit, C1 to C5, selects 60-bit latches that correspond to COM1 to COM5, respectively.  
Therefore, if “1” is set for more than one select bit, data is set to all the corresponding 60-bit latches.  
Example:  
If “1” is set to all the select bits C1 to C5, the display data of D1 to D60 is set to all the 60-bit latches that  
correspond to COM1 to COM5.  
9/20  
FEDL9473-01  
LAPIS Semiconductor  
COM1 – COM5 Timing Chart:  
VDD  
ML9473  
VLC1  
VLC2  
VLC3  
COM1  
VDD  
VLC1  
VLC2  
VLC3  
COM2  
COM3  
VDD  
VLC1  
VLC2  
VLC3  
1/3 DUTY COM  
TIMING  
10/20  
FEDL9473-01  
LAPIS Semiconductor  
ML9473  
SEGn True Value Table:  
LATCH1 LATCH2 LATCH3 LATCH4 LATCH5 COM1 COM2 COM3 COM4 COM5  
SEGn  
0
0
0
0
1
“H”  
“M2”  
“M1”  
“H”  
“M2”  
“M1”  
“M2”  
“M1”  
“H”  
“M2”  
“M1”  
“M2”  
“M1”  
“M2”  
“M1”  
“H”  
“M2”  
“M1”  
“M2”  
“M1”  
“M2”  
“M1”  
“M2”  
“M1”  
“H”  
“M1”  
“M2”  
“M1”  
“M2”  
“M1”  
“M2”  
“M1”  
“M2”  
“L”  
“L”  
“M2”  
“M1”  
“M2”  
“M1”  
“M2”  
“M1”  
“M2”  
“M1”  
“L”  
“M2”  
“M1”  
“M2”  
“M1”  
“M2”  
“M1”  
“L”  
“M2”  
“M1”  
“M2”  
“M1”  
“L”  
“M2”  
“M1”  
“L”  
“H”  
*Note: “H” = VDD; “M1” = VLC1; “M2” = VLC2; “L” = VLC3=GND  
11/20  
FEDL9473-01  
LAPIS Semiconductor  
ML9473  
Timing Chart FOR 1/3 DUTY DRIVE MODE:  
12/20  
FEDL9473-01  
LAPIS Semiconductor  
ML9473  
Timing Chart FOR 1/4 DUTY DRIVE MODE:  
VDD  
COM1  
COM2  
COM3  
COM4  
VLC1  
COM1  
VLC2  
VLC3  
VDD  
VLC1  
COM2  
COM3  
COM4  
VLC2  
VLC3  
VDD  
VLC1  
VLC2  
VLC3  
VDD  
VLC1  
VLC2  
VLC3  
VDD  
VLC1  
VLC2  
VLC3  
SEG1  
SEG2  
VDD  
VLC1  
VLC2  
VLC3  
13/20  
FEDL9473-01  
LAPIS Semiconductor  
ML9473  
Timing Chart FOR 1/5 DUTY DRIVE MODE:  
VDD  
COM1  
COM2  
COM3  
COM4  
COM5  
VLC1  
COM1  
VLC2  
VLC3  
VDD  
VLC1  
COM2  
COM3  
COM4  
VLC2  
VLC3  
VDD  
VLC1  
VLC2  
VLC3  
VDD  
VLC1  
VLC2  
VLC3  
VDD  
VLC1  
VLC2  
VLC3  
COM5  
VDD  
VLC1  
VLC2  
VLC3  
SEG1  
SEG2  
VDD  
VLC1  
VLC2  
VLC3  
14/20  
FEDL9473-01  
LAPIS Semiconductor  
ML9473  
APPLICATION CIRCUITS  
(For 1/4 duty)  
1/4 DUTY  
240-SEGMENT  
LCD PANEL  
CPU  
COM1  
COM2  
COM3  
COM4  
DATA_IN  
CLOCK  
LOAD  
SEG1  
SEG60  
P
O
R
T
BLANK  
Open  
VDD  
COM5  
R1  
C0  
R0  
ML9473  
OSC_IN  
OSC_OUT  
OSC_OUT  
DSEL1  
DSEL2  
VSS  
VLC1 VLC2 VLC3  
+5V  
BIAS CIRCUIT  
15/20  
FEDL9473-01  
LAPIS Semiconductor  
ML9473  
REFERENCE DATA  
The data shown in this section is for reference (a metal film resistor and a film capacitor are used). Resistor and  
capacitor values must be determined based on experiments.  
Use the following expression to convert oscillation frequency to COMMON frame frequency (or vice versa):  
fCOM=fOSC × Duty/16  
fCOM  
fOSC  
Duty  
: COMMON frame frequency  
: Oscillation frequency  
: e.g., 1/4 for 1/4 duty  
For example, if fCOM=100Hz at 1/5 duty, the oscillation frequency is fOSC =8000Hz.  
Ta=25°C  
IDD vs. VDD  
R0=51k  
R1=160k  
C0=0.001µF  
1/4 duty  
0.7  
0.6  
0.5  
0.4  
0.3  
0.2  
0.1  
0
1.5  
2
2.5  
3
3.5  
4
4.5  
5
5.5  
6
6.5  
VDD [V]  
16/20  
FEDL9473-01  
LAPIS Semiconductor  
ML9473  
fOSC---R0,C0  
ML9473 Oscillator Frequency Result  
VDD=3V 25°C  
100.00  
10.00  
1.00  
0.00047µF | 62kΩ  
0.00047µF | 360kΩ  
0.01µF | 62kΩ  
0.01µF | 360kΩ  
0.10  
0
25  
50  
75  
100 125 150  
R0[kΩ]  
ML9473 Oscillator Frequency Result  
VDD=5.5V 25°C  
100.00  
10.00  
1.00  
0.00047µF | 62kΩ  
0.00047µF | 360kΩ  
0.01µF | 62kΩ  
0.01µF | 360kΩ  
0.10  
0
25  
50  
75  
100 125 150  
R0[kΩ]  
17/20  
FEDL9473-01  
LAPIS Semiconductor  
ML9473  
PACKAGE DIMENSIONS  
(Unit: mm)  
TQFP80-P-1212-0.50-K  
Package material  
Lead frame material  
Lead finish  
Pin treatment  
Package weight (g)  
Rev. No./Last Revised  
Epoxy resin  
42 alloy  
Sn-2Bi (Bi 2% typ.)  
Plating (≥5µm)  
0.40 TYP.  
5
1/Feb. 1, 2008  
Notes for Mounting the Surface Mount Type Package  
The surface mount type packages are very susceptible to heat in reflow mounting and humidity absorbed in  
storage. Therefore, before you perform reflow mounting, contact ROHM's responsible sales person for the  
product name, package name, pin number, package code and desired mounting conditions (reflow method,  
temperature and times).  
18/20  
FEDL9473-01  
LAPIS Semiconductor  
ML9473  
REVISION HISTORY  
Page  
Previous  
Edition  
Document No.  
Date  
Description  
Current  
Edition  
PEDL9473-01  
PEDL9473-02  
PEDL9473-03  
FEDL9473-01  
Dec. 15, 2006  
Jan. 15, 2007  
Jan. 9, 2008  
Aug. 21, 2008  
–
–
–
–
–
Preliminary edition 1  
–
–
–
Preliminary edition 2  
Preliminary edition 3  
Final edition 1  
19/20  
FEDL9473-01  
LAPIS Semiconductor  
ML9473  
NOTICE  
No copying or reproduction of this document, in part or in whole, is permitted without the consent of LAPIS  
Semiconductor Co., Ltd.  
The content specified herein is subject to change for improvement without notice.  
The content specified herein is for the purpose of introducing LAPIS Semiconductor's products (hereinafter  
"Products"). If you wish to use any such Product, please be sure to refer to the specifications, which can be  
obtained from LAPIS Semiconductor upon request.  
Examples of application circuits, circuit constants and any other information contained herein illustrate the  
standard usage and operations of the Products. The peripheral conditions must be taken into account when  
designing circuits for mass production.  
Great care was taken in ensuring the accuracy of the information specified in this document. However, should  
you incur any damage arising from any inaccuracy or misprint of such information, LAPIS Semiconductor  
shall bear no responsibility for such damage.  
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相关型号：

ML9477

 ML9477是带有1/3Duty和1/4Duty切换功能的动态显示用LCD驱动器，选择1/4Duty时可直接驱动多达128段，选择1/3Duty时可直接驱动多达96段的LCD。
ROHM

ML9478C

 ML9478C由80位移位寄存器、320位数据锁存器、80组LCD驱动器、以及公共信号生成电路组成。静态显示时可直接驱动多达80段、1/2Duty显示时可直接驱动多达160段、1/3Duty显示时可直接驱动多达240段、1/4Duty显示时可直接驱动多达320段的LCD。三线串行接口和I2C接口可选。
ROHM

ML9479E

 ML9479E由80位移位寄存器、640位数据锁存器、160组LCD驱动器、以及公共信号生成电路组成。静态显示时可直接驱动多达160段、1/2Duty显示时可直接驱动多达320段、1/3Duty显示时可直接驱动多达480段、1/4Duty显示时可直接驱动多达640段的LCD。三线串行接口和I2C接口可选。
ROHM

ML9480

 ML9480由40位移位寄存器、160位数据锁存器、40组LCD驱动器、以及公共信号生成电路组成。静态显示时可直接驱动多达40段、1/2Duty显示时可直接驱动多达80段、1/3Duty显示时可直接驱动多达120段、1/4Duty显示时可直接驱动多达160段的LCD。三线串行接口和I2C接口可选。
ROHM

ML9484

 ML9484由50位移位寄存器、200位数据锁存器、50组LCD驱动器、以及公共信号生成电路组成。静态显示时可直接驱动多达50段、1/2Duty显示时可直接驱动多达100段、1/3Duty显示时可直接驱动多达150段、1/4Duty显示时可直接驱动多达200段的LCD。
ROHM

ML961B8S

 Laser Diode, 1480nm
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ML9620

 CAN Controller IC
OKI

ML9701A

 Laser Diode, 1580nm
MITSUBISHI

ML974A1F

 Laser Diode, 1550nm
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ML974A2F

 Laser Diode, 1550nm
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ML974F11F

 Laser Diode, 1550nm
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ML976H10

 InGaAsP-MQW HIGH POWER LASER DIODES
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