FT66T-xx Datasheet | FORTECH

SIMPLE MELODY GENERATOR Features - 127-note ROM memory - 1.3V to 3.3V power supply and low power consumption - RC oscillator on chip - One shot or level hold mode - Sound range: 4 octaves, 2 series - Tempo: 16 kinds (presto-largo) - Direct piezo drive FUNCTIONS - Solution of automatic stop or repeat of the melody - Dynamic speaker can be driven with external NPN transistor - Two or three times repeat of melody (mask option) - Each note can be individually programmed to be staccato or legato (mask option) - Changing the contents of melody is possible by reprogramming the maskable ROM - Power on reset; melody begins from the first note - Start from the head of melody - Bare chip is available DESCRIPTION The FT66T is a CMOS LSI chip which electronically plays a prearranged melody. Selection of melody start signal is possible by mask option: orders specification suffix "L" indicate Level Hold Mode, and suffix "S" indicate One Shot Mode. The Universal version (as One Shot or Level Hold Mode) is possible also (suffix...