Datasheet Details
Part number:
RTS903, RTS903_M
Manufacturer:
M-Square
File Size:
109.28 KB
Description:
Dual-tone melody generator.
Note:
This datasheet PDF includes multiple part numbers: RTS903, RTS903_M.
Please refer to the document for exact specifications by model.
RTS903, RTS903_M, DUAL-TONE MELODY GENERATOR
RTS903 is a CMOS LSI designed for toys, doorbells, music boxes, and melody clocks/timers.
It is designed to play pre-programmed melody and is capable of generating dual-tone melody and natural sounds in piano effect.
By pushing the sequence trigger key, all songs are sequentially selected and played
RTS903 Features
* - Wide operating voltage range: 2.4V to 5.0V Low Stand-by current 768-note ROM memory Direct LED drive, where LED flash is programmable. Typical oscillator frequency: 128 KHz Built-in digital envelope 1 sequence trigger key Audio output drives speaker directly. Power-ON Reset; melody begins from the
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