UM66TXXL/UM66T05L/UM66T08L/UM66T11L/UM66T19L中文资料MELODY INTEGRATED CIRCUIT数据手册UTC规格书

描述 Description

The UTC UM66TXXL series are CMOS LSI designed for usingin door bell, telephone and toy application. It is an on-chip ROMprogrammed for musical performance. Produced by CMOStechnology, the device results in very low power consumption.Since the UTC UM66TXXL series include oscillation circuits acompact melody module can be constructed with only a few additional components.

特性 Features

·64-Note Rom memory
·1.5V ~ 4.5V power supply and low power consumption
·Dynamic speaker can be driven with external NPN transistor
·OSC resistor hold mode
·Power on reset: melody begins from the first note
·Built in level hold mode