PCF51JF64VLF Equivalent & Substitute Parts

Part Overview

The PCF51JF64VLF is a Coldfire V1 32-bit single-core microcontroller manufactured by NXP USA Inc., featuring 64KB FLASH memory, 16KB RAM, and 50MHz operation. The main part number PCF51JF64VLF is classified as obsolete, which necessitates identification of active equivalent parts for ongoing design and production requirements. The substitute part maintains functional compatibility while offering active product status and improved availability.

Substiute Parts

PCF51JF64VLF

NXP USA Inc.In Stock: 932PCF51JF64VLF Datasheet

Current PartRFQ

MCF51JF64VLF

NXP USA Inc.In Stock: 2112MCF51JF64VLF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The MCF51JF64VLF qualifies as a direct substitute for PCF51JF64VLF based on the following critical parameters:

• Identical core processor architecture (Coldfire V1)
• Matching core size (32-Bit Single-Core)
• Identical operating frequency (50MHz)
• Identical program memory configuration (64KB FLASH)
• Identical RAM capacity (16K x 8)
• Identical supply voltage range (1.71V ~ 3.6V)
• Identical I/O count (35 pins)
• Identical package specification (48-LQFP 7x7)
• Identical operating temperature range (-40°C ~ 105°C)
• Identical mounting type (Surface Mount)

The substitute part differs only in product status (Active vs. Obsolete), packaging format (Tray vs. unspecified), oscillator type (External vs. Internal), and peripheral set (includes WDT). These differences do not affect functional substitution in applications designed for the original part.

Parameter Comparison

Engineering Selection Recommendations

The MCF51JF64VLF is the direct functional equivalent for PCF51JF64VLF applications. Selection of the substitute part is justified by:

• Active product status ensuring long-term availability and supply chain continuity
• Identical electrical and mechanical specifications across all critical parameters
• Full compliance with ROHS3 and REACH regulatory requirements
• Matching ECCN and HTSUS classifications for export and tariff purposes
• Equivalent moisture sensitivity level and handling requirements

No design modifications are required for substitution. Pin-to-pin compatibility and functional equivalence are maintained across all specified parameters.

Frequently Asked Questions (FAQ)

Q: Can MCF51JF64VLF replace PCF51JF64VLF in existing designs?

A: Yes. The MCF51JF64VLF is a direct substitute with identical core processor, memory configuration, I/O count, package, and operating specifications. No circuit modifications are required.

Q: What is the difference between the main part and substitute?

A: The primary difference is product status. PCF51JF64VLF is obsolete, while MCF51JF64VLF is active. Secondary differences include packaging format (Tray vs. unspecified) and oscillator type (External vs. Internal). These do not affect functional compatibility.

Q: Are the package dimensions identical?

A: Yes. Both parts use 48-LQFP (7x7) surface mount packages with identical pin configurations and mechanical specifications.

Q: Do compliance certifications match?

A: Yes. Both parts maintain ROHS3 compliance, REACH unaffected status, and identical ECCN and HTSUS classifications.

Q: Is there any difference in connectivity or peripherals?

A: Both parts support identical connectivity options (EBI/EMI, I2C, SPI, UART/USART, USB OTG). The substitute includes an additional WDT (Watchdog Timer) peripheral not listed for the main part.

Q: What are the supply voltage requirements?

A: Both parts operate within the identical voltage range of 1.71V to 3.6V, ensuring compatibility with existing power supply designs.