This part is a kind of semiconductor called WM-C1602Q.

Function of this product has 16 x 2 Characters.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

WD-C1602Q FEATURE: 1. 5 x 7 Dots with Cursor 2. Built in Controller (HD44780 or Equivalent) 3. +5V Power Supply (Also Available for +3V) 4. 1/16 Duty Cycle Item Supply Voltage for LCD Supply Current Sym. VDD- VO IDD 16×2 CHARACTERS ELECTRICAL CHARACTERISTICS: Condition Ta=25°C VDD=5V Min. --- Typ. 4.5 2.0 Max. ---3.0 Unit. V mA DISPLAY CHARACTER ADDRESS CODE: Display position DD RAM Addross 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F INTERFACE PIN CONNECTIONS: 1 Vss 9 DB2 2 VDD 10 DB3 3 VO 11 DB4 4 RS 12 DB5 5 R/W 13 DB6 6 E 14 DB7 7 DBO 15 LED A 8 DB1 16 LED K [ ... ]

WM-C1602Q PDF Datasheet Download