The SM1350 is single-chip high tone quality melody CMOS IC with up to 16 melodies selectable from pre-programmed memory, as established by user or from versions offered as standard product 2 standard versions are available; SM1350AAQM has 6 melodies, SM1350ADJM has 16 melodies (see individual datasheets)
Mask programmed versions customize melodies or tones, chimes, unique alarms, for clocks, door bells, and white good seeking high tone quality output.
Key Features
2.4~5.5V Supply Voltage
3.5mA @ 3.0 Volts 9.5mA @ 5.0 Volts
SM1350AAQM has 6 melodies SM1350ADJM has 16 melodies
SM1350.pdf