PIC16C56-LPE/P Equivalent & Substitute Parts

Part Overview

The PIC16C56-LPE/P is an 8-bit microcontroller from Microchip Technology's PIC® 16C series, featuring 1.5KB OTP program memory and 12 I/O pins in an 18-PDIP package. This device is classified as Active product status and is ROHS3 compliant. Substitute parts are identified when equivalent functional requirements can be met within the allowed electrical and mechanical parameter ranges for this microcontroller category.

Substiute Parts

PIC16C56-LPE/P

Microchip TechnologyIn Stock: 1035PIC16C56-LPE/P Datasheet

Current PartRFQ

PIC16F54-I/P

Microchip TechnologyIn Stock: 8691PIC16F54-I/P Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PIC16C56-LPE/P is determined by the following criteria:

• Core Architecture: 8-bit PIC processor with identical I/O count (12 pins)
• Memory Configuration: RAM size must match (25 x 8); program memory size and type may differ within functional equivalence
• Package Compatibility: 18-PDIP form factor with identical pin pitch (0.300", 7.62mm)
• Electrical Compatibility: Voltage supply range and operating temperature must support the application requirements
• Peripheral Set: POR and WDT functionality must be present

The PIC16F54-I/P meets these substitution criteria as a PIC® 16F series device with identical core size, I/O count, RAM configuration, and package specification.

Parameter Comparison

Engineering Selection Recommendations

Both the PIC16C56-LPE/P and PIC16F54-I/P maintain Active product status and ROHS3 compliance. Selection between these devices is based on application-specific requirements:

The PIC16C56-LPE/P provides OTP program memory with a higher maximum operating temperature (125°C) and extended voltage supply range (2.5V ~ 6V). The PIC16F54-I/P offers FLASH program memory with a lower minimum supply voltage (2V) but operates to a maximum temperature of 85°C. Both devices are electrically and mechanically compatible within their respective parameter ranges and share identical I/O configuration, RAM size, and peripheral set.

Frequently Asked Questions (FAQ)

Q: Can the PIC16F54-I/P directly replace the PIC16C56-LPE/P in all applications?

A: Direct replacement is possible when the application operates within the PIC16F54-I/P parameter ranges: supply voltage 2V ~ 5.5V and operating temperature -40°C ~ 85°C. Applications requiring operation above 85°C or below 2V supply voltage require the PIC16C56-LPE/P.

Q: What is the difference between OTP and FLASH program memory?

A: OTP (One-Time Programmable) memory in the PIC16C56-LPE/P is programmed once during manufacturing. FLASH memory in the PIC16F54-I/P is reprogrammable, allowing field updates and development flexibility.

Q: Are the pin configurations identical?

A: Yes. Both devices use the 18-PDIP package with 0.300" (7.62mm) pin pitch and identical I/O pin count (12 pins). Physical and electrical pin compatibility is maintained.

Q: Do both devices support the same peripheral functions?

A: Yes. Both the PIC16C56-LPE/P and PIC16F54-I/P include Power-On Reset (POR) and Watchdog Timer (WDT) peripherals.

Q: What is the RAM capacity difference?

A: Both devices have identical RAM configuration: 25 x 8 bits. No functional difference exists in data storage capacity.