FEATURES

• Two Sound Sources with Envelope (CR Envelope)

• Melody is inserted up to four.

• According to customer’s request, the inserted melody is flexible.

• 3.0V to 5.0V Operating Voltage
• DC or AC Triggered Performance Start Mode (Mask

Selected)

• Can Drive an 8 Ohm Dynamic Loudspeaker if Provided Externally with a Transistor

• Bare chip or 16-pin DIP (Plastic) Package available DESCRIPTION

The HT4240 is a CMOS LSI chip, which plays a prearranged melody.