PIC16LF84A-04/P

Microcontrollers Overview

The PIC16LF84A-04/P is an 8-bit microcontroller from the PIC16 family, manufactured by Microchip Technology. It features a RISC CPU with a maximum clock frequency of 4 MHz and operates within a supply voltage range of 2.0 V to 5.5 V. The device includes 1.75 KB (1K x 14) of Flash program memory, 68 bytes of data RAM, and 64 bytes of Data EEPROM. It provides 13 programmable I/O lines and supports In-Circuit Serial Programming via two pins. The component is housed in an 18-pin PDIP package and is rated for an industrial operating temperature range of -40°C to +85°C.

Microcontrollers Feature Summary

• Enhanced FLASH/EEPROM architecture supporting high endurance and long-term data retention
• In-Circuit Serial Programming capability for efficient debugging and production programming
• Low-power CMOS technology enabling operation across a wide voltage range
• Integrated Power-On Reset and Watchdog Timer for system reliability

Microcontrollers Applications

• Industrial control systems requiring robust low-voltage operation
• Consumer electronics utilizing simple logic and timing functions
• Battery-powered devices benefiting from low standby current consumption
• General-purpose embedded applications needing non-volatile data storage

Microcontrollers Procurement Notes

Verify that the suffix 'P' corresponds to the 18-pin Plastic Dual In-line Package (PDIP) variant. Confirm the '-04' designation indicates the 4 MHz maximum clock speed rating. Ensure the 'LF' prefix is required for low-voltage (2.0V) compatibility, as standard 'F' variants may have different voltage thresholds. Check for RoHS compliance status if environmental regulations apply to the specific manufacturing batch.

Microcontrollers Selection Notes

Select this component when a cost-effective 8-bit solution with non-volatile memory is needed for designs operating below 5V. It is suitable for applications where code modification is infrequent but data retention is critical. Compare against the PIC16F84A if higher voltage tolerance or commercial temperature ranges are sufficient, noting that the LF version offers extended low-voltage performance. Ensure the 1.75 KB memory size meets firmware requirements before finalizing the design.

Microcontrollers Part Context

This part belongs to the PIC16(L)F8x series of enhanced mid-range 8-bit microcontrollers. It shares architectural similarities with other members like the PIC16F84A but differs in voltage specifications and temperature ratings. The series is known for its simplicity and ease of use, making it a staple in introductory embedded development and legacy system maintenance.

Microcontrollers Replacement Considerations

The PIC16F84A-04/P is a direct pin-compatible alternative, though it typically specifies a minimum operating voltage of 4.0V rather than 2.0V. Verify voltage requirements carefully when substituting. Other PIC16 family members may require software adaptation due to peripheral differences.