Microchip 8-bit PIC12F Microcontroller 20 MHz 128B FLASH 8-Pin SOIC PIC12F635-I/SN

Microchip PIC12F635-I/SN is a highly efficient 8-bit PIC microcontroller designed for embedded system applications requiring compact size and reliable performance. Featuring a 20 MHz maximum clock frequency and 128 bytes of FLASH program memory, it operates on an 8-pin SOIC package suitable for surface mount technology.

Built on Microchip’s mid-range core with a reduced instruction set computing (RISC) architecture, this microcontroller executes 35 instructions with an 8-level deep hardware stack, delivering up to 5 MIPS performance. The device includes 64 bytes of RAM and 128 bytes of EEPROM storage for data retention requirements.

Key peripherals include a configurable internal RC oscillator providing frequency stability within ±1%, two analogue comparators, and two timers (one 8-bit and one 16-bit) for timing and control functions. With 6 programmable input/output pins, it offers versatile interfacing options for sensors, actuators, and communication modules via SPI interface.

The PIC12F635 microcontroller supports In-Circuit Serial Programming (ICSP) allowing programming and debugging without removal from the circuit. Designed for low power consumption, it operates within a supply voltage range of 4.5V to 5.5V with maximum power dissipation capped at 800 mW. Operating temperatures range from -40°C to +85°C, making it appropriate for harsh industrial and automotive environments compliant with ISO/TS 16949 standards.

This device’s compact footprint of 4.9 mm length, 3.9 mm width, and 1.5 mm height facilitates deployment in space-constrained layouts such as portable instrumentation, control systems, and consumer electronics.

RISC architecture with 35 instructions enhances processing efficiency. Configurable internal RC oscillator with ±1% accuracy. Two analogue comparators and two timers for diverse control capabilities. Supports ICSP for streamlined development.

Operates over wide temperature and voltage range with robust power management.

Microchip’s PIC12F635-I/SN is suitable for applications in industrial automation, embedded control systems, automotive electronics, and consumer devices. It provides a flexible solution with an optimal balance of performance and low power consumption for modern electronic designs.

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