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IN44780U データシート(PDF) 3 Page - Integral Corp.

部品番号 IN44780U
部品情報  DOT MATRIX LIQUID CRYSTAL DISPLAY CONTROLLER & DRIVER
Download  10 Pages
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メーカー  INTEGRAL [Integral Corp.]
ホームページ  http://www.iksemi.com/
Logo INTEGRAL - Integral Corp.

IN44780U データシート(HTML) 3 Page - Integral Corp.

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IN44780U
3
ELECTRICAL CHARACTERISTICS
(Ta = 25oC, VDD = +5V, VSS = 0V unless otherwise specified)
Characteristic
Symbol Test Condition
Applicable
Terminals
Min
Typ
Max
Unit
Operating Voltage
VDD
4.5
5.5
V
Operating Current (*1)
IDD
Internal oscillation
or external clock
fOSC = 270KHz
0.35
0.6
HIGH Input Voltage
VIH
E, DB0 ~ DB7,
R/W, RS
2.2
VDD
V
OSC1
VDD-1.0
VDD
LOW Input Voltage
VIL
E, DB0 ~ DB7,
R/W, RS
-0.3
0.6
V
OSC1
-0.2
1.0
HIGH Output Voltage
VOH
IOH = -0.205 mA
DB0 ~ DB7
2.4
V
IOH = -40µA
CLK1, CLK2, M,
D
0.9VDD
LOW Output Voltage
VOL
IOL = 1.2mA
DB0 ~ DB7
0.4
V
IOL = 40µA
CLK1, CLK2, M,
D
0.1VDD
Driver Voltage
Descending
VCOM
IO = ± 0.1mA
COM1 ~ COM16
1.0
V
VSEG
SEG1 ~ SEG40
1.0
Input Leakage
Current
ILKG
VIN =0V ~ VDD
E
-1
1
µA
Input LOW Current
IIL
VCC = 5V (test pull
up R)
RS, R/W,
DB0 ~ DB7
-50
-125
-250
µA
Frequency
(*1)
fEC
125
250
350
KHz
External
Duty
DUTY
OSC1
46
50
55
%
Clock
Rise time
tR
0.2
µs
Fall time
tF
0.2
µs
Internal Clock
Frequency(*1)
fOSC1
Rf = 91K
Ω ± 2%
OSC1, OSC2
190
270
350
KHz
Ceramic Resonator
Oscillation Frequency
(*1)
fOSC2
245
250
255
LCD Driving Voltage
(*2)
VLCD1
VDD – V5 1/5 bias
V1 ~ V5
4.6
10.0
V
VLCD2
1/4 bias
3.0
10.0
Notes: *1).
Oscillation circuit


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