www.vishay.com 21 LCD-012M002A vishay document number: 37213 revision 01-oct-02 for technical questions, contact: displays@v ishay .com 12 x 2 character lcd features 5 x 8 dots with cursor built-in controller (ks 0066 or equivalent) + 5v power supply 1/16 duty cycle b/l to be driven by pin 1, pin 2, or a.k (led) mechanical data item standard value unit module dimension 55.7 x 32.0 mm viewing area 46.0 x 14.5 mm dot size 0.45 x 0.60 mm character size 2.65 x 5.50 mm absolute maximum rating item symbol standard value unit min. typ. max. power supply vdd-vss - 0.3 7.0 v input voltage vi - 0.3 vdd v note: vss = 0 volt, vdd = 5.0 volt electrical specifications item symbol condition standard value unit min. typ. max. input voltage vdd vdd = + 5v 4.7 5.0 5.3 v supply current idd vdd = + 5v 1.5 3.0 ma - 20 c recommended lc driving vdd - v0 0 c 4.5 4.8 5.1 voltage for normal temp. 25 c 4.1 4.4 4.7 v version module 50 c 3.8 4.2 4.4 70 c led forward voltage vf 25 c 4.2 v led forward current if 25 c 40 ma display position dd ram address dd ram address display character address code: 00 01 07 40 41 47 12 345678
document number: 37213 revision 01-oct-02 www.vishay.com 22 LCD-012M002A vishay for technical questions, contact: displays@v ishay .com pin number symbol function 1 vss gnd 2 vdd + 5v 3 vo contrast adjustment 4 rs h/l register select signal 5 r/w h/l read/write signal 6eh l enable signal 7 db0 h/l data bus line 8 db1 h/l data bus line 9 db2 h/l data bus line 10 db3 h/l data bus line 11 db4 h/l data bus line 12 db5 h/l data bus line 13 db6 h/l data bus line 14 db7 h/l data bus line 15 a 4.2v for led 12 x 2 character lcd dimensions in millimeters 55.7 0.5 51.3 46.7 46.0 (va) 37.85 (aa) 4 - 1. 0 pth 2.2 4.5 4.85 8.93 1.0 17.78 (p1.27*14) 31.2 12.25 18.96 4 - r1.25 32.0 0.5 24.7 17.5 14.5 (va) 11.7 (aa) 3.65 7.25 8.75 10.15 1.0 11.5 30.0 9.0 3.0 1.5 15 - 0.7 pth 15 - 1.0 pad 9.7 max 5.1 1.6 lead or no b/l 3.20 2.65 0.55 0.45 6.20 5.50 0.70 0.60 dot size scale 5/1 1.5 15
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