purdy electronics corporation ? 720 palomar avenue ? sunnyvale, ca 94085 t l 408 523 8200 f 408 733 1287 l @ d l t i anddi l 1 displays displays AND591GST/gst-led 2 lines x 40 characters intelligent character display the AND591GST/gst-led devices are compact, lcd modules that have an on-board lcd controller and driver circuit. these devices can display 160 characters (numerals, letters, symbols and kana letters), as well as eight custom characters. features ? 5 x 7 dots with cursor ? built-in controller (ks0066 or equivalent) ? 5v power supply ? rohs compliant ? 4.2v led forward voltage dot matrix dimensions mechanical characteristics item specification unit outline dimensions 182 (h) x 33.5 (v) x 8.8 (d) (12.7 led) mm character size 3.20 (h) x 5.55 (v) mm character pitch 3.70 (h) x 5.95 (v) mm viewing area 154 (h) x 15.3 (v) mm dot size 0.60 (h) x 0.65 (v) mm dot pitch 0.65 (h) x 0.70 (v) mm absolute maximum ratings item symbol rating unit supply voltage v dd 7.0 v input voltage v in 0 v in v dd v led forward current i f 520 ma led reverse voltage v r 4v led power dissipation p d 2240 mw operating temperature t op 0 to +50 c storage temperature t stg C20 to +60 c electrical characteristics (ta = 25c) item symbol cond. min. typ. max. unit lcd operating voltage v dd -v o t=0 c C 4.8 C v t=25 c C 4.5 C t=50 c C 4.2 C supply voltage v dd -v ss C 4.7 5 5.3 v supply current i dd C C 3.2 6 ma input voltage high level v ih C 2.2 C v dd v low level v il C 0 C 0.6 output voltage high level v oh C 2.4 C C v low level v ol C C C 0.4 optical characteristics (ta = 25?c, f = 0, q = 0) item symbol min. typ. max. unit viewing angle f C 50 C degree contrast k C 6.0 C C turn on t on C 200 400 ms turn off t off C 100 400 ms absolute maximum ratings (continued) item symbol rating unit product speci?cations contained herein may be changed without prior notice. it is therefore advisable to contact purdy electronics before proceeding with the design of equipment incorporating this product. ? rohs compliant
intelligent character display AND591GST/gst-led purdy electronics corporation ? 720 palomar avenue ? sunnyvale, ca 94085 t l 408 523 8200 f 408 733 1287 l @ d l t i anddi l 2 displays displays power supply lcd panel is driven by the voltage v dd Cv o , so an adjustable v o is required for contrast control and temperature compensation. power supply block diagram block diagram dimensional outline connector pin assignment pin no. signal function 1 v ss 0v 2 v dd 5v 3 v o contrast adj. 4 rs register select 5 r/w read/write 6 e enable signal 7 db0 data bit 0 8 db1 data bit 1 9 db2 data bit 2 10 db3 data bit 3 11 db4 data bit 4 12 db5 data bit 5 13 db6 data bit 6 14 db7 data bit 7 15 a led power 16 k led power temperature variations temperature v dd Cv o 0c 5.00 +25c 4.75 +50c 4.50
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