www.vishay.com 59 LCD-020M004L vishay document number: 37226 revision 01-oct-02 for technical questions, contact: displays@v ishay .com features 5 x 8 dots with cursor built-in controller (ks 0066 or equivalent) + 5v power supply (also available for + 3v) 1/16 duty cycle b/l to be driven by pin 1, pin 2 or pin 15, pin 16 or a and k (led) n.v. optional for + 3v power supply mechanical data item standard value unit module dimension 146 x 62.5 mm viewing area 123.5 x 43.0 mm dot size 0.92 x 1.10 mm character size 4.84 x 9.22 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 20 x 4 character lcd electrical specifications item symbol condition standard value unit min. typ. max. input voltage vdd vdd = + 5v 4.7 5.0 5.3 v vdd = + 3v 2.7 3.0 5.3 v supply current idd vdd = + 5v 8.0 10.0 ma - 20 c 5.0 5.1 5.7 recommended lc driving vdd - v0 0 c 4.6 4.8 5.2 voltage for normal temp. 25 c 4.1 4.5 4.7 v version module 50 c 3.9 4.2 4.5 70 c 3.7 3.9 4.3 led forward voltage vf 25 c 4.2 4.6 v led forward current if 25 c 540 1080 ma el power supply current iel vel = 110vac:400hz 5.0 ma display position dd ram address dd ram address dd ram address dd ram address display character address code: 00 01 13 40 41 53 12 345678910111213 20 14 15 27 54 55 67
document number: 37226 revision 01-oct-02 www.vishay.com 60 LCD-020M004L vishay for technical questions, contact: displays@v ishay .com pin number symbol function 1 vss gnd 2 vdd + 3v or + 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 power supply for led 4.2v 16 k power supply for b/l (0v) 17 nc/vee nc or negative voltage output 18 nc no connection 20 x 4 character lcd dimensions in millimeters 146.0 0.5 134.0 123.5 (va) 118.84 (aa) p2.54* 17 = 43.18 18 - ? 1.0 pth 2.0 2.5 3.5 4.9 4.5 5.55 27.8 62.5 0.5 55.0 43.0 (va) 38.47 (aa) 4.75 10.75 13.015 6.0 11.25 13.58 18.0 18 73.00 139.0 3.20 3.50 k a 4 - ? 2.5 pth 4 - ? 5.0 pth 1 13.6 max 10.1 max 5.5 9.0 1.6 1.6 led b/l el or no b/l 6.0 4.84 0.98 0.92 dot size 9.75 9.22 1.16 1.1
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