PIC 16F628A

18-pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

Internal and external oscillator options:
– Precision internal 4 MHz oscillator factory
calibrated to ±1%
– Low-power internal 48 kHz oscillator
– External Oscillator support for crystals and
resonators
• Power-saving Sleep mode
• Programmable weak pull-ups on PORTB
• Multiplexed Master Clear/Input-pin
• Watchdog Timer with independent oscillator for
reliable operation
• Low-voltage programming
• In-Circuit Serial Programming™ (via two pins)
• Programmable code protection
• Brown-out Reset
• Power-on Reset
• Power-up Timer and Oscillator Start-up Timer
• Wide operating voltage range (2.0-5.5V)
• Industrial and extended temperature range
• High-Endurance Flash/EEPROM cell:
– 100,000 write Flash endurance
– 1,000,000 write EEPROM endurance
– 40 year data retention