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LC75812PT 데이터시트(PDF) 2 Page - Sanyo Semicon Device

부품명 LC75812PT
상세설명  1/8, 1/9 Duty Dot Matrix LCD Display Controllers/Drivers with Key Input Function
PDF  54 Pages
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제조업체  SANYO [Sanyo Semicon Device]
홈페이지  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LC75812PT 데이터시트(HTML) 2 Page - Sanyo Semicon Device

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LC75812PT
No.A1417-2/54
Continued from preceding page.
• Sleep mode can be used to reduce current drain.
• Built-in display contrast adjustment circuit
• Switching between key scan output and general-purpose output ports can be controlled with instructions.
• PWM output for adjusting the LED backlight brightness
• The frame frequency of the common and segment output waveforms can be controlled by instructions.
• Serial data control of switching between the RC oscillator operating mode and external clock operating mode.
• Independent LCD driver block power supply VLCD
• A voltage detection type reset circuit is provided to initialize the IC and prevent incorrect display.
• The INH pin is provided. This pin turns off the display, disables key scanning, and forces the general-purpose
output ports to the low level.
• RC oscillator circuit
Specifications
Absolute Maximum Ratings
at Ta = 25
°C, VSS = 0V
Parameter
Symbol
Conditions
Ratings
Unit
VDD max
VDD
-0.3 to +4.2
Maximum supply voltage
VLCD max
VLCD
-0.3 to +11.0
V
CE, CL, DI, INH
-0.3 to +4.2
VIN1
CE, CL, DI, INH
VDD=2.7 to 3.6V
-0.3 to +6.5
VIN2
OSC, KI1 to KI5, TEST
-0.3 to VDD +0.3
Input voltage
VIN3
VLCD1, VLCD2, VLCD3, VLCD4
-0.3 to VLCD +0.3
V
VOUT1
DO
-0.3 to +6.5
VOUT2
OSC, KS1 to KS7, P1 to P3
-0.3 to VDD +0.3
Output voltage
VOUT3
VLCD0, S1 to S65, COM1 to COM9
-0.3 to VLCD +0.3
V
IOUT1
S1 to S65
300
μA
IOUT2
COM1 to COM9
3
IOUT3
KS1 to KS7
1
Output current
IOUT4
P1 to P3
5
mA
Allowable power dissipation
Pd max
Ta=85
°C
200
mW
Operating temperature
Topr
-40 to +85
°C
Storage temperature
Tstg
-55 to +125
°C
Allowable Operating Range
at Ta = -40
°C to +85°C, VSS = 0V
Ratings
Parameter
Symbol
Conditions
min
typ
max
unit
VDD
VDD
2.7
3.6
VLCD
When the display contrast adjustment circuit is used.
7.0
10.0
Supply voltage
VLCD
VLCD
When the display contrast adjustment circuit is not
used.
4.5
10.0
V
Output voltage
VLCD0
VLCD0
VLCD4
+4.5
VLCD
V
VLCD1
VLCD1
3/4
(VLCD0-
VLCD4)
VLCD0
VLCD2
VLCD2
2/4
(VLCD0-
VLCD4)
VLCD0
VLCD3
VLCD3
1/4
(VLCD0-
VLCD4)
VLCD0
Input voltage
VLCD4
VLCD4
0
1.5
V
Continued on next page.



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