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40 x 2 Character LCD Display with Backlight Technical Data

Photograph
40 x 4 Character LCD Display with Backlight

Features

arrow40 Characters x 2 Lines

arrowBlack Characters on a Green Background

arrow5 x 8 Dots with Cursor

arrowBuilt in Controller - HD44780

arrow+5V Power Supply

arrowBacklight Included

arrowRoHS Compliant



Dimensional Drawing
LCD 40x2 - Top View
LCD 40x2 - Side View
LCD 40x2 - Dots Detail

Dimensions in mm


Technical Data

Electrical Characteristics

Item Symbol Condit. Min Typ Max Unit
Supply Voltage for LCD VDD-VO Ta=0°C, Ta=25°C, Ta=50°C   4.5   V
Input High Voltage VIH   2.2   VDD V
Input Low Voltage VIL   -0.3   0.6 V
Output High Voltage VOH   2.4     V
Output Low Voltage VOL       0.4 V
Supply Current IDD VDD=5V   2.5 4.0 mA

Mechanical Characteristics

Item Dimensions Unit
LCD Size 182 x 33.5 mm
Viewing Area 154 x 18 mm
Dot Size 0.60 x 0.65 mm
Dot Pitch 0.65 x 0.70 mm
Character Size 2.78 x 4.89 mm
Character Pitch 3.2 x 5.55 mm
LCD Thickness 14 mm

Absolute Maximum Ratings

Item Symbol Min Typ Max Units
Operating Temp. Top 0   +50 °C
Storage Temp. Tst -20   +70 °C
Input Voltage Vi Vss   Vdd V
Supply Voltage for Logic Vdd-Vss 2.7 5.0 5.5 V
Supply Voltage for LCD Vdd-Vo 3.0   13.0 V

Interface Pin Connections

Pin No Symbol Level Function
1 Vss   GND(0V)
2 Vdd   Vcc(+5V±5%)
3 Vo   Contrast Adjust
4 RS H/L Register Select
5 R/W H/L Read/Write
6 E H/H-L Enable
7 DB0 H/L Data Bit 0
8 DB1 H/L Data Bit 1
9 DB2 H/L Data Bit 2
10 DB3 H/L Data Bit 3
11 DB4 H/L Data Bit 4
12 DB5 H/L Data Bit 5
13 DB6 H/L Data Bit 6
14 DB7 H/L Data Bit 7
15 LEDA BKL+ Backlight - Positive
16 LEDK BKL- Backlight - Negative

Display Character Address Code

Display Position 1 2 3 4 5 6 7 8 9 10
DD RAM Address - Row 1 80 81 82 83 84 85 86 87 88 89
DD RAM Address - Row 2 C0 C1 C2 C3 C4 C5 C6 C7 C8 C9

Display Position 11 12 13 14 15 16 17 18 19 20
DD RAM Address - Row 1 8A 8B 8C 8D 8E 8F 90 91 92 93
DD RAM Address - Row 2 CA CB CC CD CE CF D0 D1 D2 D3

Display Position 21 22 23 24 25 26 27 28 29 30
DD RAM Address - Row 1 94 95 96 97 98 99 9A 9B 9C 9D
DD RAM Address - Row 2 D4 D5 D6 D7 D8 D9 DA DB DC DD

Display Position 31 32 33 34 35 36 37 38 39 40
DD RAM Address - Row 1 1E 1F 20 21 22 23 24 25 26 27
DD RAM Address - Row 2 5E 5F 60 61 62 63 64 65 66 67


Datasheet

Datasheet

LCD40X2BL - Datasheet for HD44780 Datasheet

Application Notes