A low-power and low-cost AC signal detection circuit

certificate of power switching circuit that is \"not on\" when the battery is first installed

A crystal oscillator circuit with ultra-low voltage and ultra-low power consumption

An ultra-low leakage current IC input pin ESD protection circuit structure

A low-power bidirectional digital level conversion circuit and IC

A digital frequency correction method and system for temperature control RTC

Reference current source for semiconductor integrated circuit

Semiconductor device

Semiconductor operational amplifier and semiconductor sensing device

Integrated circuit for voltage power supply and low voltage detection

Power-on reset circuit for semiconductor integrated circuit

Semiconductor IC and control method

System and method for testing OTP type SOC

Semiconductor devices and semiconductor IC