ElectronicsThe NTE4009 with INTEGRATED CIRCUIT CMOS HE is a 40-pin integrated circuit manufactured by NTE Electronics. It is a monolithic CMOS device with an 8-bit microcontroller. It features three 8-bit bidirectional ports, a bidirectional 8-bit port, two input and two output timers, and a software programmable oscillator. It also has interrupt capabilities, an asynchronous serial channel, two 8-bit accumulators, programmable interrupts, and two software-programmable clock outputs. The device is capable of operating at low power and high temperature range, making it ideal for industrial applications.