BC1004A feature mechanical data item module dimension viewing area dot size character size standard value unit pin assignment pin symbol function 1 2 3 4 5 6 7~14 15 16 gnd +5v contrast adjustment h/l register select signal h/l read/write signal h --> l enable signal h/l data bus line power supply for b/l (+) power supply for b/l (gnd) vss vdd vo rs r/w e db0~7 a k input voltage supply current lcd driving voltage led forward voltage led forward current el power current vdd idd vdd-vo vf if vel vdd = +5v vdd = +5v 25 c vel=110 vac/400hz 5.0 1.2 4.3 4.2 130 v ma v v ma v typical value electronic characteristics mm mm mm mm 57.0 x 57.0 39.0 x 24.4 0.55 x 0.55 2.96 x 4.75 dimension bo lymin 1. cob with metal frame 2. 5x7 dots with cursor 3. built-in controller ks0066 or equivalent 4. + 5v single power supply 5. 1/16 duty cycle 6. led b/l pins: 15/16, or a/k 7. option: led, el b/l o 25 c o 25 c o item symbol condition unit 3 4 . 9 0 1 5 . 2 4 5 . 0 8 5 7 . 0 0 . 5 3 4 . 6 2 0 . 8 3 9 . 0 1 . 6 5 . 3 5 4 7 5 0 5 5 2 1 6 1 1 5 1 9 . 6 1 1 6 1 . 0 ( p a d 2 4 . 4 5 3 . 2 1 1 . 2 5 7 . 0 0 . 5 5 1 . 0 2 . 5 4 3 . 5 3 . 0 3 . 0 5 1 . 0 4 - 3 . 0 l e d 8 . 7 [ e l / r e f 4 f f . 8 ] l e d 1 2 . 7 [ e l / r e f 8 . 8 ] 0 0 0 0 3 3 1 1 8. option: no negative voltage 4.2
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