PIC16C622A-20/P

Microcontrollers Overview

The PIC16C622A-20I/P is an 8-bit CMOS microcontroller from the PIC16C62X family, featuring a high-performance RISC CPU with 35 instructions. It includes 2K x 14 EPROM program memory and 128 bytes of RAM. The device operates at a maximum clock frequency of 20 MHz with a single-cycle instruction execution time of 200 ns. It provides 13 I/O pins, two analog comparators, and a programmable voltage reference module. Operating voltage ranges from 2.7V to 5.5V, and it supports serial in-circuit programming.

Microcontrollers Feature Summary

• Features a high-performance RISC CPU with a Harvard architecture, enabling single-cycle instruction execution for most operations.
• Integrates two analog comparators with programmable input multiplexing and an on-chip voltage reference module for low-cost analog interfaces.
• Includes special features such as Power-on Reset (POR), Brown-out Reset, Watchdog Timer (WDT), and power-saving SLEEP mode.
• Supports serial in-circuit programming via two pins and offers four selectable oscillator options.

Microcontrollers Applications

• Battery chargers
• Threshold detectors
• White goods controllers

Microcontrollers Procurement Notes

Verify that the specific part number matches the required voltage range and package type. Confirm the memory type is EPROM if reprogrammability is needed. Check for any errata sheets related to silicon revisions. Ensure compatibility with existing development tools like MPLAB IDE. Validate operating temperature specifications against environmental requirements.

Microcontrollers Selection Notes

Select this component for applications requiring low cost and high performance in an 8-bit architecture. Consider the 2K program memory size and 128-byte RAM capacity for code complexity. Evaluate the need for analog comparators versus digital-only solutions. Assess the 13 I/O pin count against interface requirements. Verify the 2.7V to 5.5V operating range suits the power supply design.

Microcontrollers Part Context

This device belongs to the PIC16C62X family of EPROM-based 8-bit microcontrollers. It is an enhanced version of the PIC16C5X architecture, offering upward compatibility. The family includes variants with different memory sizes and clock speeds. The PIC16C622A specifically provides 2K program memory and supports higher clock frequencies compared to base models.

Microcontrollers Replacement Considerations

PIC16C622-20/P is a compatible variant within the same family with identical core functionality but potentially different voltage or temperature ratings. Verify electrical specifications and package dimensions before substitution. Code written for PIC16C5X can be ported to this device.