40x4 Character Display LCD, LCD Display 40x4 - RC4004A

40x4 Character Display LCD, LCD Display 40x4

Model No. RC4004A

RC4004A is 40x4 Character LCD display module with module dimension 190.0 x 54.0 mm. Interface of RC4004A display LCD 40x4 module is 6800 with built-in IC ST7066.

Raystar provides various LED backlight combinations for RC4004A 40x4 LCD display module, such as white, yellow-green and green. You can choose module with LED backlight or without it.

There are many LCD modes to choose from, for instance, STN negative, blue ; STN positive, gray/yellow-green ; FSTN positive, white ; FSTN negative, black. We also offer different LCD polarizer types: transflective, transmissive and reflective are all available options.

LED backlight can be driven by PIN1, PIN2, PIN17, PIN18 or A and K. RC4004A LCD display module 40 characters x 4 lines offers a selection of fonts, including English/Japanese, Europe and Cyrillic (Russian). The module works within temperature from -20℃ to +70℃, storage temperature covers from -30℃ to +80℃. Feel free to send us inquiry if you’d like to know more information.

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  • General Specs
  • Interface Pin Function
  • Contour Drawing
  • Electrical Characteristics
  • Display Character Address Code
Item Dimension Unit
Dot Matrix / Resolution 5×8 dots includes cursor dots
Characters × Lines 40 Characters × 4 Lines
Module Dimension 190.0 × 54.0 × 13.6 (MAX) mm
View Area 147.0 × 29.5 mm
Active Area 140.45 × 23.16 mm
Mounting Hole 183.0 × 47.0 mm
Dot / Pixel Size 0.50 × 0.55 mm
Dot / Pixel Pitch 0.57 × 0.62 mm
Character Size 2.78 × 4.89 mm
Character Pitch 3.53 × 6.09 mm
IC ST7066 or Equivalent
Interface 6800
Power Supply 5V (Also available for 3V)
Negative voltage optional for 3V power supply
Duty 1/16 duty cycle
Type Character Display LCD
Feature LED can be driven by PIN1, PIN2, PIN17, PIN18 or A and K
Pin No. Symbol Description
1 DB7 Data bus line
2 DB6 Data bus line
3 DB5 Data bus line
4 DB4 Data bus line
5 DB3 Data bus line
6 DB2 Data bus line
7 DB1 Data bus line
8 DB0 Data bus line
9 E1 Enable signal
10 R/W Read/Write select signal
11 RS Data/ Instruction select signal
12 VO Contrast Adjustment
13 VSS Ground
14 VDD Power supply for logic
15 E2 Enable signal
16 NC No connection
17 A Power supply for B/L +
18 K Power supply for B/L -

40x4 Character Display LCD, LCD Display 40x4 - RC4004A

Item Symbol Standard Value
typ.
Unit
Input Voltage VDD 3/5 V
Recommended LCD Driving Voltage for Normal Temp.
Version module @25ºC
VDD-VO 4.35 V
Display position 1 2 3 4 5 6 7 8 9 10 11 12 --- --- --- 40  
DD RAM Address 00 01                           27 Line1
DD RAM Address 40 41                           67 Line2
DD RAM Address 0 1                           27 Line3
DD RAM Address 40 41                           67 Line4
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