6 tones siren/alarm sound generator the RT0608 is a cmos design for six different alarm sounds application. the sound of RT0608 will be generated in cycling sequence . features low operationg v oltage 2v ~ 5v cmos processon-chip rc oscillator 6 different sounds low stand by current electrical characteristics pin out and description absolute maximum ratings rato RT0608 2000.04.11 pin diagram osc2 osc1 ini gnd 1 2 3 4 8 7 6 5 nc vcc bz1 bz2 RT0608 symbol description pin i/o osc2 oscillator pin with external resistor. 1 osc1 2 an internal pull-up resistor . might disable sound out of bz1,bz2 while connected gnd. ini gnd nc ground siren sound output pin. power pin. no connecting bz1 bz2vcc 3 4 5 6 7 8 parameter symbol min. typ. max. unit operating v oltage stand-by current operating current operating frequency bz1, bz2 driving current vcc isbiop ioh iol fop 2.0 1.0 1.070 3.0 10300 80 5.0 20500 128 v uaua ma ma khz symbol vcc vi vo tst ttp parameter supply v oltage input v oltage output v oltage storage t emperature operating t emperature rating -0.3 ~ 6 -0.3 ~ vcc +0.3 -0.3 ~ vcc +0.3 -40 ~125 0 ~ 65 unit v v v 1 vcc=3v , temp=25 o i i o o
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