This part is a kind of semiconductor called LCM1602A.

Function of this product has Display Module.

Manufacturers : LONGTECH OPTICS

Image and pinout :

Some of the text within the PDF file :

31.0±0.5 13.8(V.A) 9.40 24.5±0.2 36.0±0.5 5.05 4.35 0.50 0.05 LONGTECH DISPLAY 80.0±0.5 7.50 PITCH2.54*15=38.1 16-Ø1.0 1 16 57.70 64.5(V.A) 71.2±0.3 75.0±0.5 Feature 12-line x16 characters display; 5x8 dots with cursor 2. Built-in controller (KS0066U or Equivalent) 3. +5V power supply(Also available for +3.3V) 4. 1/16 duty cycle;1/5bias; 5. TN, HTN, STN or FSTN mode 6. BKL to be driven by pin1,pin2,or pin15,pin16,or A,K Block diagram: VDD VSS V0 RS R/W E DB0-DB7 A K LCD CONTROLLER AND DRIVER COM SEG LCD PANEL LED BKL SEG LCD DRIVER LCM1602A Pin connections PIN NO Symbol 1 VSS 4-Ø2.5 T2 T1 3.65 2.95 0.55 2 VDD 3 V0 4 RS 5 R/W 6E 7 DB0 8 DB1 9 DB2 10 DB3 11 DB4 12 DB5 13 DB6 1.60 14 DB7 0.05 15 A 16 K Display character address code Display position 1 2 3 [ ... ]

LCM1602A PDF Datasheet Download