HT81R18 Overview
Description
The EasyVoiceTM is a single-chip voice synthesizer LSI. The chip when triggered drives a speaker directly or through an external transistor with a PWM output.
Key Features
- Operating voltage: 2.4V~5V
- Directly drives an external transistor
- PWM function directly driver speaker
- Low standby current (1mA typ. for VDD=3V)
- Minimal external components
