cdt-3457 --- 1 CDT3457 p. 1 led ? ic cdt-3457 f cdt-3457 ???O??? cmos u?g led W?? ic. ? : -- 1.5 -- 5.0v dc oB - 5 a @3vdc 6 led W??????? 6 led ? ??? ic ? , ?O -- ? >20 ma (vdd=3v, v ol =1v) led NW???? . 5 I |l x? : ? 5 I (key), ? 5 N? - power on - off mode ? , ??I??NW?? , - x led N? key ?? --- on/off, level hold - x led ? ? one shot N . - x led Wql key - k1>k2>k3>k4>k5 - xS buzzer ? x??? ???x? . ?? , ?w^ cdt-3457 tf 1. on/off one-shot ? 2. level-hold ? ?w??? chip design technology inc. 92 01 19 3vdc r bz k1 k5 k4 k3 k2 3vdc bz k5 r k1 k2 k3 k4 l1 l2 l3 l4 l5 l6 osco k1 k2 k3 k4 k5 test bz1 bz2 vss vdd osci CDT3457 chip size 1580 x 1810um ic vdd 1 18 2 3 4 5 6 7 8 9 10 11 17 16 15 14 13 12 l1 l2 l3 l4 l5 l6 osco k1 k2 k3 k4 k5 test bz1 bz2 vss vdd osci CDT3457 chip size 1580 x 1810um ic vdd 1 18 2 3 4 5 6 7 8 9 10 11 17 16 15 14 13 12
cdt-3457 --- 2 CDT3457 p. 2 led ? ic ic _ 18/16 pin dip b ( m) ? 18pin ?? x y f 1 1 osci 113 878 U? 2 2 osco 113 145 U? 3 3 k1 339 106 ?I 1(on/off, level-hold, one-shot) 4 4 k2 592 106 ?I 2(on/off, level-hold, one-shot) 5 5 k3 845 106 ?I 3(on/off, level-hold, one-shot) 6 6 k4 1098 106 ?I 4(on/off, level-hold, one-shot) 7 7 k5 1350 106 ?I 5(on/off, level-hold, one-shot) 8 8 test 1387 445 ?y? 9 9 bz1 1387 445 buzzer ? 10 10 bz2 1387 1075 buzzer ? 11 11 vss 1387 1300 ??O 12 12 l1 1339 1619 led1 ? 13 13 l2 1102 1619 led2 ? 14 14 l3 863 1619 led3 ? 15 15 l4 626 1619 led4 ? 16 16 l5 387 1619 led5 ? 17 17 l6 150 1619 led6 ? 18 18 vdd 113 1092 ?O CDT3457 osci k1 k2 l3 k4 k5 test 8 bz1 1 2 3 4 5 6 7 9 osco vdd l6 l5 l4 l3 l2 l1 vss 18 17 16 15 14 13 12 11 bz2 10 CDT3457 osc i osco l6 k1 l5 k2 l4 k3 l3 k4 l2 k5 l1 bz vss 1 16 2 15 3 14 4 13 5 12 6 11 7 10 vdd 8 9 18pin dip _D 16pin dip _D l1 l2 l3 l4 l5 l6 osco k1 k2 k3 k4 k5 test bz1 bz2 vss vdd osci CDT3457 chip size 1580 x 1810um ic vdd 1 18 2 3 4 5 6 7 8 9 10 11 17 16 15 14 13 12
cdt-3457 --- 3 CDT3457 p. 3 led ? ic key f 1. power on ? 5 ? off, led ?]? 2. buzzer: code Q?? on/off k1 ~ k5 on/off ??I , ( |l? ) ??I on/off , key ?? on, ?? off. key1, key2, key3, key4 k1 ~ k4 I ?? 1. ? k1 r , k1 ? , ? k1, t k1 off. 2. k1 ? , Q?? k2 r , k2 ?? , k1 ?t off. k5 - rI key 5 1. ? k5 r , k5 ??? , ? k5, t k5 off. 2. k1, k2, k3, k4 r?w^ k5, off r?? k5 . level hold k1 ~ k5 level hold ??I? vdd, @? key ? k1 ~ k5 level hold , I?? vdd r@???? key1, key2, key3, key4 ??I level hold , k1 ~ k5 ?? 1. ? k1 r , k1 ? , _ k1 r , t off. 2. key ? , k1>k2>k3>k4>k5 key 5 k5 - rI 1. k5 vdd r , k5 ??? . 2. k1, k2, k3, k4 r?w^ k5, off r?? k5 . one-shot ??I|l , ( |l? ), one shot ??I one shot (non-retrig |l? ) key1, key2, key3, key4 k1 ~ k5 ?? 1. ? k1 r , k1 ? , 2. k1 , ??????IeI (non-retrig) key 5 k1 ~ k5 - ??I
cdt-3457 --- 4 CDT3457 p. 4 6 led ?? ic CDT3457-01: k1 ~ k5 ? on/off ?? I f buzzer k1 -- l 1 l 2 ?W (duty cycle = 1/2)( {? ) k2 -- l 5 l 6 ?W (duty cycle = 1/2)( {? ) k3 -- B k4 -- BB k5 -- l 1 l 2 l 3 l 4 l 5 l 6 ?W (duty cycle = 1/2)( {? ) CDT3457-02: k1 ~ k5 ? level hold ?? I f buzzer k1 -- BB 1 , ?rW 3 k2 -- W 1 , ?rW 6 k3 -- W 3 , ?rW 3 k4 -- B 1 , ?rW 3 k5 -- B 1 , ?rW 3 CDT3457-03: k1 ~ k5 ? level hold ?? I f buzzer k1 -- W 1 , ?rW 4 k2 -- W 3 , ?rW 3 k3 -- W 4 , ?rW 1 k4 -- W 2 , W 2 , ?rW 2 k5 -- BB
|
