Microchip Technology, Inc. Microcontrollers PIC16LC642T-04I/SO

The PIC16LC642T-04I/SO is an 8-bit microcontroller featuring a high-performance RISC CPU with a maximum operating speed of 20 MHz and a 200 ns instruction cycle. It offers 4K of program memory and 176 bytes of data memory, making it suitable for a variety of applications requiring moderate processing power and memory capacity. This microcontroller includes up to 33 I/O pins with individual direction control, allowing for flexible interfacing with external devices. It is equipped with two analog comparators, a programmable on-chip voltage reference, and an 8-bit timer/counter with a programmable prescaler. The device supports multiple addressing modes and has an 8-level deep hardware stack for efficient interrupt handling. Power management features include a power-on reset, brown-out reset, and a watchdog timer, ensuring reliable operation in various conditions. The microcontroller operates within a wide voltage range of 3.0V to 6.0V and is designed using low-power CMOS technology, which contributes to its low power consumption. It is available in a 28-pin SOIC package, making it suitable for compact designs.