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| Datasheet File OCR Text: |
| SG12232B ( 122 dots x 32 dots ) features mechanical data built-in controller (s6b1713 or equivalent) item dimensions unit +5 v power supply module size (w x h x t) 74.0 x 28.0 x 6.5 mm 1/32 duty cycle viewing area ( w x h ) 58.9 x 18.4 mm 8-bit parallel interface active area ( w x h ) 54.87 x 14.37 mm 4.2 v led forward voltage dot size ( w x h ) 0.41 x 0.41 mm dot pitch ( w x h ) 0.45x 0.45 mm interface pin connections absolute maximum ratings no. symbol level function item symbol min. typ. max. unit 1v dd 5v power supply ground supply voltage for logic v dd -v ss 0 - 7 v 2v ss 0v power supply voltage supply voltage for lcd drive v dd -v o 0 - 17 v 3v o - contrast adjustment voltage input voltage v i vss - v dd v 4 rst h/l reset signal 5 e1 h/l enable ic1 electrical characteristics 6 e2 h l enable ic2 item symbol condition min. typ. max. unit 7 r/w 5v h:read/l:write supply voltage for logic v dd -v ss - 2.4 3 3.6 v 8 a0 l data type select signal supply voltage for lcd v dd -v o v dd =5v ta=25 4.4 4.8 5.2 v 9~16 db0~db7 h/l data bus line supply current i dd v dd =5v - 2.5 4.5 ma 17 a 4.2v led power supply ( ) input "high" level v ih - 2.2 - vdd v 18 k 0v led power supply ( ) voltage "low" level v il - - - 0.6 v output "high" level v oh - 2.4 - - v voltage "low" level v ol - - - 0.4 v external dimensions
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