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  1 3q ?? ?n ? 1q ?? a? |3 -- ? q tontek design technology ltd. TT6303 ?t ?? ? ?t 1? ?? ? ? reference only date o 199 8 /0 4 / 30 version o 1.0 ???o tt 6303 ??e? cmos ic ? ?? ??2 ?????t????t? push bottom ???1|?? ??a?2???a?a1??????? off ?????-?? ??????o ?? ?? ?? ????q ? 3? / ? ? 1| ? ?? ? 1 ck ? ? ? 3?a? ? ?? 2 fi ? ? 5 0 h z ? 60 hz ?a? ? ?? 3 vdd ? ? ?y ? ? 4 sw1 ? ? ?a1? ? ? ?? 5 bu ? 3? ? ? ? ? 3? ?? 6 vss ? ? ?o? ? 7 vss ? ? ?o? ? 8 at ? 3? angle - trigger ? 3? ?? ? ?-o TT6303 e? ? ?t???? on/off mode ?? 3? ?t???? continous mode ? 3? ?t ? e ? 1a?? ? ?? ? 1a?? ?a o e e e ???- ?? 1a? 3? ?t ? ??r ???1 ? 1a . ? ?3? ?t ? 1a?? ? ? ??? ee ? 1a??? ??? ? TT6303 ? buzzer ? bi - bi 2 ?? ?1 ? 1a? ? ? ?? o? ? ? ????? ?3? ?t ? 1a ?? ?? ? 1ao e ?? ??ao?e?o e ? 1a ? ?? ? 1ao e ? ??ao?e? o e ? 1a ? 2 ?? ????? ?a ?????ay?? ????o ? ?t sw ?? e?? 0.3 ??????- ????? 6 ?? ay??o ? ?t sw ?? e?? 0.6 ??????- ????? 12 ?? TT6303 ? off mode e ?o ?t ? 3 ???????o? 3 ????? 2 ?? ?t ? 3 ???o ??-? ?a on ?? ?? ?? ? ?t? off ????? ? ?t? on ? 3 ???o ??-? ?a on ?? ?? ?? ? ?t ??? ? ? 3 ???? ?? ? ? 3 ??? ?? ayay ? ??? ? 1a ?????? ???????? off ? ? 3 ??? 12???? 18 ??? ? 3 ??? ? ??? ?e ? ?t?? ? ?? ?y? ? off ???? ? ?t? on TT6303 1|??? ?a TT6303a ? TT6303b ? TT6303c ? TT6303d TT6303a o?????? 3 ??? TT6303b oay???? 3 ??? TT6303c o????? ?t ? 3 ??? . TT6303d oay??? ?t ? 3 ??? free datasheet http://www..net/
2 reference only date o 199 8 /0 4 / 30 version o 1.0 TT6303 ??e ??? 1|??????? ? ?t buzzer ? b i ? ? ??????ea ?a? ??? ???? ??a ?? ?a ? ?? ??? 3 ??? 1??? ? ?a?? ?? 3 ???? ?? TT6303 ????? ? ??? ? ?t ? ? ?a ???? TT6303 ???? ?? ? ac = 60hz ?a ? ? ?? ac = 50hz ? ?e ?? ??3?? 1.2 ? TT6303 ?? buzzer ? a ?a 4.5khz for ac = 60hz ? 3.7khz for ac = 50hz 2?y ??o 2 2?y u operating voltage o 5 ?? 6.8 v u operating current o? 1.0 ma u tri gger output current (at pin) o? - 20 ma (vout=2.5v) u input leakage o? 0.5 ua u input low voltage o? vss + 0.5v u input high voltage o? vdd - 0.5v u operating temperature o 0 ?? ?? 80 ?? u storage temperature o - 20 ?? ?? 120 ?? TT6303 ? ?? o ck frequence generator fi zero crossing & sw1 push detector step register counter & decoder trigger buffer buzzer output bu at free datasheet http://www..net/
3 refere nce only date o 199 8 /0 4 / 30 version o 1.0 lamp 220uf/16v c1 5.1v zd1 r1=39k/2w, r2=330k for 220v/50hz TT6303d : slow speed, non-delay off mode TT6303c : normal speed, non-delay off mode TT6303b : slow speed, delay off mode TT6303a : normal speed, delay off mode note: bu vss vss at sw1 vdd fi ck 0.4ms 0.4ms 0.4ms 0.9ms - 6.7ms 1.0ms - 6.3ms 1.3ms - 6.1ms triac turn on 2m 1.2m 2m r3 330k 300k 270k r2 220v/50hz 110v/60hz 110v/60hz ac /60hz 110v ac buzzer 10k r5 473 c2 104 c3 vdd vdd 20k/1w d1 r1 vdd r3 r2 TT6303 TT6303 series application (8 pin) c3 ? y? 104 ?? e? ?? ic ?? vdd o vss ?? ??????????o?? free datasheet http://www..net/


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