6 tones siren/alarm
sound generator
description
the utc 1617 is a cmos design for 6 different alarm sounds
application. the sound of utc 1617 will be generated in cycling
sequence.
by the way, utc 1617 is also partitioned to 6 types for single
tone siren/alarm sound generator. the types of utc 1617 series
are listed as following.
1617: 6 tones on chip.
1617a: single tone which be outputted from 1617’s 1st sound.
1617b: single tone which be outputted from 1617’s 2nd sound.
1617c: single tone which be outputted from 1617’s 3rd sound.
1617d: single tone which be outputted from 1617’s 4th sound.
1617e: single tone which be outputted from 1617’s 5th sound.
1617f: single tone which be outputted from 1617’s 6th sound.
features
* low operating voltage: 2v ~ 5v.
* on-chip rc oscillator.
* low stand by current.
* cmos process.