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| Datasheet File OCR Text: |
| SG12232D ( 122 dots x 32 dots ) features mechanical data built-in controller (sed1520 or equivalent) item dimensions unit +5 v power supply module size (w x h x t) 84.0 x 44.0 x 8.8 ( 12.7 led ) mm 1/32 duty cycle viewing area ( w x h ) 60.5 x 18.5 mm 8-bit parallel interface active area ( w x h ) 53.64 x 15.64 mm 4.2 v led forward voltage dot size ( w x h ) 0.40 x 0.45 mm dot pitch ( w x h ) 0.44 x 0.49 mm interface pin connections absolute maximum ratings no. symbol level function item symbol min. typ. max. unit 1v ss 0v power supply ground supply voltage for logic v dd -v ss 0 - 7 v 2v dd 5v power supply voltage supply voltage for lcd drive v dd -v o 0 - 12 v 3v o - contrast adjustment voltage input voltage v i vss - v dd v 4 ao h/l data type select signal 5 e1 l chip enable signal for ic1 electrical characteristics 6 e2 l chip enable signal for ic2 item symbol condition min. typ. max. unit 7 db0 h/l data bit 0 supply voltage for logic v dd -v ss - 4.5 5 5.5 v 8 db1 h/l data bit 1 supply voltage for lcd v dd -v o v dd =5v ta=25 4.4 4.8 5.2 v 9 db2 h/l data bit 2 supply current i dd v dd =5v - 2.5 4.5 ma 10 db3 h/l data bit 3 input "high" level v ih - 2.2 - v dd v 11 db4 h/l data bit 4 voltage "low" level v il - - - 0.6 v 12 db5 h/l data bit 5 output "high" level v oh - 2.4 - - v 13 db6 h/l data bit 6 voltage "low" level v ol - - - 0.4 v 14 db7 h/l data bit 7 external dimensions
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