PIC16LC622T-04E/SS Equivalent & Substitute Parts

Part Overview

The PIC16LC622T-04E/SS is an 8-bit microcontroller from Microchip Technology's PIC® 16C series, featuring 4.6KB OTP program memory, 128 x 8 bytes of RAM, and 13 I/O pins in a 20-SSOP surface mount package. This device is classified as obsolete, making identification of compatible substitute parts essential for ongoing system support and production continuity. The primary substitute maintains functional equivalence while offering active product status and improved availability.

Substiute Parts

PIC16LC622T-04E/SS

Microchip TechnologyIn Stock: 1114PIC16LC622T-04E/SS Datasheet

Current PartRFQ

PIC16LC622-04I/SS

Microchip TechnologyIn Stock: 750PIC16LC622-04I/SS Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PIC16LC622T-04E/SS is determined by strict equivalence across the following critical parameters:

• Core Architecture: Both parts utilize the PIC core processor with 8-bit architecture
• Memory Configuration: Identical 4.6KB OTP program memory and 128 x 8 RAM
• I/O Count: Both provide 13 I/O pins
• Operating Voltage: Both support 2.5V ~ 6V supply range
• Peripheral Set: Identical Brown-out Detect/Reset, POR, and WDT functionality
• Package Format: Both use 20-SSOP surface mount packaging with identical physical dimensions
• Speed Rating: Both operate at 4MHz

The substitute part PIC16LC622-04I/SS differs only in operating temperature range and product status, with the substitute rated to -40°C ~ 85°C versus the main part's -40°C ~ 125°C specification.

Parameter Comparison

Engineering Selection Recommendations

The PIC16LC622-04I/SS serves as a direct functional substitute for the obsolete PIC16LC622T-04E/SS. Both parts maintain identical electrical specifications, memory architecture, I/O configuration, and peripheral functionality. The substitute part carries active product status from Microchip Technology, ensuring continued availability and manufacturing support.

The primary distinction is the operating temperature range: the substitute is rated to -40°C ~ 85°C compared to the main part's -40°C ~ 125°C. Applications requiring operation above 85°C must retain the original part specification or evaluate alternative solutions.

Both parts maintain ROHS3 compliance and unlimited moisture sensitivity level (MSL 1), supporting standard surface mount assembly and storage protocols. Identical packaging dimensions ensure direct mechanical compatibility in existing PCB layouts.

Frequently Asked Questions (FAQ)

Q: Can PIC16LC622-04I/SS replace PIC16LC622T-04E/SS in all applications?

A: Yes, for applications operating within -40°C to 85°C. Applications requiring operation above 85°C must use the original part or alternative solutions rated for higher temperatures.

Q: Are the package dimensions identical?

A: Yes. Both parts use 20-SSOP packaging with 0.209" width and 5.30mm physical dimensions, enabling direct PCB compatibility.

Q: What is the significance of the product status difference?

A: The main part is classified as obsolete, indicating discontinued manufacturing. The substitute maintains active status with ongoing production and supply availability from Microchip Technology.

Q: Are memory specifications identical?

A: Yes. Both parts feature 4.6KB OTP program memory, 128 x 8 RAM, and identical peripheral sets including Brown-out Detect/Reset, POR, and WDT.

Q: Do both parts meet the same compliance standards?

A: Yes. Both are ROHS3 compliant with MSL 1 (unlimited) moisture sensitivity rating and identical REACH and ECCN classifications.

Q: What is the voltage supply compatibility?

A: Both parts operate across the identical 2.5V ~ 6V supply range with no voltage-related restrictions for substitution.