PIC16CE625-20I/SO Equivalent & Substitute Parts

Part Overview

The PIC16CE625-20I/SO is an 8-bit microcontroller from Microchip Technology's PIC® 16C series, featuring 4.6KB OTP (One-Time Programmable) memory, 18-SOIC surface mount packaging, and operation across 3V to 5.5V supply voltage. The device is currently active in production with verified programmability status and full RoHS3 compliance.

Finding equivalent and substitute parts becomes necessary when OTP memory variants are unavailable or when design requirements favor reprogrammable FLASH memory technology for development, prototyping, or field updates.

Substiute Parts

PIC16CE625-20I/SO

Microchip TechnologyIn Stock: 745PIC16CE625-20I/SO Datasheet

Current PartRFQ

PIC16F628A-I/SO

Microchip TechnologyIn Stock: 55117PIC16F628A-I/SO Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PIC16CE625-20I/SO is determined by the following critical parameters:

Memory Architecture: The primary distinction between the main part and its substitute is the program memory type. The PIC16CE625 uses OTP (One-Time Programmable) memory, while the PIC16F628A uses FLASH memory. Both store 4.6KB (2K x 14) of program code and support identical EEPROM (128 x 8) and core RAM (128 x 8) configurations.

Electrical Compatibility: Both devices operate within the same voltage supply range (3V ~ 5.5V), support identical 20MHz clock speeds, and maintain the same operating temperature range (-40°C ~ 85°C).

Package Compatibility: Both devices are housed in 18-SOIC surface mount packages with identical physical dimensions (0.295", 7.50mm Width), ensuring direct PCB footprint compatibility.

Core Processor and Architecture: Both belong to the PIC® microcontroller family with 8-bit core architecture, ensuring instruction set compatibility and peripheral functionality alignment.

The PIC16F628A-I/SO qualifies as a direct substitute based on matching program memory capacity, identical electrical specifications, compatible packaging, and active product status with full RoHS3 compliance.

Parameter Comparison

Engineering Selection Recommendations

For OTP Applications: The PIC16CE625-20I/SO remains the specified choice when one-time programmability is a design requirement or when existing production inventory is available.

For FLASH-Based Development: The PIC16F628A-I/SO is the direct substitute when reprogrammable memory is required. Both devices maintain active product status with full RoHS3 compliance and identical electrical operating parameters.

Inventory and Availability: The PIC16F628A-I/SO has significantly higher inventory availability (55,100 pcs vs. 689 pcs), making it the practical choice for immediate procurement or high-volume production.

Compliance Considerations: Both parts carry identical RoHS3 compliance, REACH unaffected status, and EAR99 export classification, ensuring regulatory equivalence in all markets.

Frequently Asked Questions (FAQ)

Q: Can the PIC16F628A-I/SO directly replace the PIC16CE625-20I/SO in existing designs?

A: Yes, for applications where reprogrammable FLASH memory is acceptable. Both devices share identical 18-SOIC packaging, voltage supply range (3V ~ 5.5V), clock speed (20MHz), operating temperature range (-40°C ~ 85°C), and program memory capacity (4.6KB). The primary difference is memory type: OTP versus FLASH.

Q: What are the differences in RAM and I/O between these devices?

A: The PIC16F628A-I/SO provides 224 x 8 RAM compared to 128 x 8 in the PIC16CE625-20I/SO, and offers 16 I/O pins versus 13. These enhancements do not prevent substitution; they represent additional capability in the substitute part.

Q: Are there any package or footprint differences?

A: No. Both devices use identical 18-SOIC surface mount packaging with 0.295" (7.50mm) width. PCB footprints are directly compatible.

Q: What compliance certifications apply to both parts?

A: Both the PIC16CE625-20I/SO and PIC16F628A-I/SO are ROHS3 compliant, REACH unaffected, and classified as EAR99 for export purposes.

Q: Why would I choose the PIC16CE625-20I/SO over the PIC16F628A-I/SO?

A: The PIC16CE625-20I/SO is specified when one-time programmability is a design requirement or when existing inventory must be utilized. For new designs, the FLASH-based PIC16F628A-I/SO is generally preferred due to reprogrammability and higher availability.