6 TONES SIREN/ALARM SOUND GENERATOR
DESCRIPTION
The UTC 1618 is a CMOS design for 6 different alarm sounds
application. According to the priority of the select keys, the sound
of UTC 1618 will be generated in cycling sequence.
FEATURES
* Auto power off function, reduce power consumption.
* Low operating voltage: 2V ~ 5V.
* On-chip RC oscillator.
* 6 different sounds.
* 6 prioritized keys for selecting 6 different sounds.
* Low stand by current.
* CMOS process.
APPLICATION CIRCUIT
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