даташит UM66 IC Даташиты PDF

Musical Calling Bell By Kalyan Prodhan www.kalyan-prodhan.tk Connection Diagram Component List with cost (Approximate) Component Description (IC and Transistor) Precaution Modification for adaptation This is the simplest ever musical calling bell that can be easily built. It uses the musical 3 pin IC UM66 and a popularly known Transistor BC548b. The circuit can be made even without soldering and the ideal for the first electronic project for newbies. Here the musical IC UM66 generates the music whe

UTC UM66TXXL MELODY INTEGRATED CIRCUIT DESCRIPTION The UTC UM66TXXL series are CMOS LSI designed for using in door bell, telephone and toy application. It is an on-chip ROM programmed for musical performance. Produced by CMOS technology, the device results in very low power consumption. Since the UTC UM66TXXL series include oscillation circuits a compact melody module can be constructed with only a few additional components. CMOS IC 1 TO-92 FEATURES *64-Note Rom memory *1.5V ~ 4.5V power supply and low power consump