PIC16C55-LPE/P Equivalent & Substitute Parts

Part Overview

The PIC16C55-LPE/P is an 8-bit microcontroller from Microchip Technology's PIC® 16C series, featuring 768B of OTP (One-Time Programmable) memory and 20 I/O pins. This device operates at 40MHz with a supply voltage range of 2.5V to 6V and includes integrated Power-On Reset (POR) and Watchdog Timer (WDT) peripherals. The product is classified as obsolete, making equivalent substitute parts necessary for ongoing system support and component procurement.

Substiute Parts

PIC16C55-LPE/P

Microchip TechnologyIn Stock: 1153PIC16C55-LPE/P Datasheet

Current PartRFQ

PIC16C55-LPI/P

Microchip TechnologyIn Stock: 1081PIC16C55-LPI/P Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the PIC16C55-LPE/P is determined by strict alignment of the following critical parameters:

• Core processor architecture (PIC)
• Core size (8-Bit)
• Program memory capacity and type (768B OTP)
• RAM configuration (24 x 8)
• I/O pin count (20)
• Operating speed (40MHz)
• Package type and pin configuration (28-DIP)
• Supply voltage compatibility
• Peripheral set (POR, WDT)

The PIC16C55-LPI/P qualifies as a direct substitute based on identical electrical specifications and package configuration. Both devices share the same base product number (PIC16C55) and maintain functional equivalence across all critical parameters.

Parameter Comparison

Engineering Selection Recommendations

The PIC16C55-LPI/P is the qualified substitute for the obsolete PIC16C55-LPE/P. Both devices maintain ROHS3 compliance and identical core functionality. The substitute part carries active product status, ensuring ongoing availability and support from Microchip Technology.

The primary distinction between the two parts is the operating temperature range: the main part supports -40°C to 125°C, while the substitute supports -40°C to 85°C. Applications requiring operation above 85°C must retain the original PIC16C55-LPE/P specification or identify alternative solutions outside this product family.

The supply voltage range of the substitute (2.5V ~ 6.25V) encompasses the main part's range (2.5V ~ 6V), providing equivalent or expanded operational capability in this parameter.

Frequently Asked Questions (FAQ)

Q: Can PIC16C55-LPI/P replace PIC16C55-LPE/P in all applications?

A: The PIC16C55-LPI/P is functionally equivalent for applications operating within -40°C to 85°C. Applications requiring operation above 85°C require the original part specification or alternative solutions.

Q: What is the difference between the packaging designations?

A: The main part (PIC16C55-LPE/P) uses standard packaging, while the substitute (PIC16C55-LPI/P) is supplied in tube packaging. Both use identical 28-DIP (0.600", 15.24mm) package geometry and pin configuration.

Q: Are both parts RoHS compliant?

A: Both PIC16C55-LPE/P and PIC16C55-LPI/P are ROHS3 compliant.

Q: Why is the main part listed as obsolete?

A: The PIC16C55-LPE/P is classified as obsolete by Microchip Technology. The PIC16C55-LPI/P maintains active product status and serves as the current equivalent for new designs and ongoing procurement.

Q: Are the memory specifications identical?

A: Both parts feature 768B (512 x 12) OTP program memory, 24 x 8 RAM, and identical peripheral configurations (POR, WDT).