1617 Datasheet | Unisonic Technologies

UNISONIC TECHNOLOGIES CO., LTD 1617 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....