PIC16F84A 8-bit Microcontroller 18-pin (Microchip)
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Prices updated: 12 Oct 2026
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About this product
An 8-bit PIC microcontroller from Microchip in an 18-pin package, widely used in learning projects and simple embedded control. It provides 13 general-purpose I/O pins shared between PORTA and PORTB, each configurable as a digital input or output. Each pin handles up to 25 mA, enough to drive an LED directly but not a DC motor or relay.
Specifications
- Package
- 18-pin
- Core
- 8-bit
- Program memory
- 1K x 14-bit Flash (1024 words)
- Data RAM
- 68 bytes
- Data EEPROM
- 64 bytes
- I/O pins
- 13 (PORTA and PORTB)
- Current per pin
- 25 mA
- Operating voltage
- 2.0 V to 5.5 V
Frequently asked questions
Can I drive a relay or DC motor directly from a pin?
No. Each pin is limited to 25 mA according to the listing, so use a transistor or MOSFET driver stage for relays and motors.
How is the PIC16F84A programmed?
It is programmed with a PIC programmer using in-circuit serial programming (ICSP), with an assembler or compiler that supports the PIC16 family.
