security code I?y wireless door bell bT ic 1/1 2001-09-11 door chime m2630/M2640 taipei : tel : 886-2- 22783733 fax : 886-2- 22783633 h.k. : tel : 852- 27569109 fax : 852- 27566961 ?A?w??? features ? ? ? ? ? security code : a0~a7 3 14 code. ? osh/cont : siren time. ? siren duration : 16/32/48 sec (mask option) ? rst/ding : arm/disarm & visitor .(ding-dong) (default arm) ? with customer code. application a? a? a? a? ? security alarm, remote control. I?y , bb . electrical characteristics ?? ?? ?? ?? characteristics sym. min. typ. max. unit remarks ? operating voltage v dd 2.4 9 13 v m2630 ? operating voltage v dd D 3 4.5 v M2640 oB quiescent current i sb D D 5 a no load ? driving current i ol 1 D D ma @ v ds =1v Ul oscillator frequency f osc D 64 D khz external 30% ? operating temperature temp. 0 25 60 application diagram D D D D * all specs and applications shown above subject to change without prior notice. ( ?H , ?? ) key sound d1 ding-dong 2 times d2 ding-ding 2 times d3 bi-bi (panic) 3 times d4 arm d5 disarm d6 reed switch d5 a3 a0 a1 a2 vdd do d6 d4 d3 m2630 vss vdd reed sw x y 330k 1 0 a4 a5 a6 d2 d1 a7 a3 a0 a1 a2 M2640 vss vdd 1 0 a4 a5 a6 a7 demo din rst/ding x y 270k env odout 4.7u vdd 330k osh/cont siren vdd 1 20 10 11 1 20 10 11 ir / rf ir / rf
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