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Lampex
Lampex

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LM20400 Datasheet

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LM20400 pdf
LAMPEXwww.DataSheet4U.com
ALPHANUMERIC DOT MATRIX LCM
LM20400 [20 x 4, 1/16 MUX]
10.0
1
2.54
98.0±0.5 [3.86±0.020]
2.5
16
DIMENSION IN MM
9.5(13.5)*
5.0(9.0)*
A
K
BLOCK DIAGRAM
Vss
Vdd
V0
RS
R/W
E
DB0 To DB7
A
K
8
R
70.4
76.0±0.2
93.0±0.3
97.0±0.5
4 DRIVER
40 40
16 L C D
40 40
4 DRIVER
4 DRIVER
BACKLIGHTING
4xØ2.5
1.6
0.60
0.55
2.95
3.55
[ * ] DIMENSIONS FOR LED BACKLIGHT VERSION
TABULATED DATA
MODEL
DISPLAY FORMAT FONT MATRIX
CHAR. x LINE
WxH
LM20400
20 x 4
5x8
DRIVING
DUTY
1/16
DOT SIZE
WxH
0.55 x 0.55
CHARACTER SIZE
WxH
2.95 x 4.75
VIEWING AREA
WxH
76.0 x 26.0
PCB SIZE
WxH
98.0 x 60.0
ELECTRICAL DATA (Ta = 25°C, Vdd = +5V + 0.25V)
ITEM
Input High Voltage
Input Low Voltage
Output High Voltage
Output Low Voltage
Supply Current
Operating Voltage for LCD
LED Backlight Current
SYMBOL
ViH
ViL
VoH
VoL
Idd
Vdd-Vo
ILED
TEST CONDITION
-
-
IoH = 0.2mA
IoL = 1.2mA
Vdd = 5.0V
Ta = 0°C
Ta = 25°C
Vdd = 5.0V
STANDARD VALUES
MIN.
TYP.
MAX.
2.2 - Vdd
-0.3 - 0.6
2.4 - -
- - 0.4
- 1.2 2.0
- 4.7 -
- 4.5 -
90 120 140
UNITS
V
V
V
V
mA
V
V
mA
PIN DETAILS
MAX. RATING OPTIONAL DETAILS
PIN No.
1
2
3
4
DESCRIPTION
Gnd
Vcc
Vo
RS
PIN No.
5
6
7 to 14
15 & 16
DESCRIPTION
R/W
E
DB0 to DB7
LED BL A & K
Item MAX.
Top -15 to +65°C
Tst -20 to +70°C
Vdd +5 Volts
RH% 90 %
Wide configurations available. Kindly con-
tact LAMPEX while ordering. Re-
fer LAMPEX LCM Catalog for
more Information.
L A M P E X reserves all rights.
Specification might alter without prior no-
tice.
CAUTION: STATIC SENSITIVE DEVICES


Part Number LM20400
Description Dot Matrix
Maker Lampex
Total Page 1 Pages
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