DF36057FPJV Equivalent & Substitute Parts

Part Overview

The DF36057FPJV is a 16-bit H8/300H Tiny microcontroller manufactured by Renesas Electronics Corporation, featuring 56KB FLASH memory and a 64-LFQFP package. This device is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations. The H8/300H architecture with integrated CANbus, SCI, and SSU connectivity served embedded applications requiring moderate processing capability and peripheral integration.

Substiute Parts

DF36057FPJV

Renesas Electronics CorporationIn Stock: 947DF36057FPJV Datasheet

Current PartRFQ

MC9S12P64VLH

NXP USA Inc.In Stock: 908MC9S12P64VLH Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DF36057FPJV is determined by the following critical parameters:

Package Compatibility: Both the main part and substitute must use the 64-LQFP (10x10) form factor to ensure PCB footprint compatibility without redesign.

Core Architecture: The substitute must maintain 16-bit processing capability to preserve software compatibility and system performance characteristics.

Memory Configuration: Program memory must be equal to or greater than 56KB FLASH to accommodate existing firmware. RAM must be sufficient for runtime operations.

Voltage Supply Range: The substitute must operate within the 3V to 5.5V supply range or encompass this range to function in existing power delivery systems.

Connectivity & Peripherals: CANbus, SCI, and PWM functionality are essential for systems dependent on these interfaces. The substitute must provide equivalent or enhanced connectivity options.

Operating Temperature Range: The substitute must support the -40°C to 85°C operating window or exceed it to maintain thermal compatibility.

Compliance: RoHS3 compliance is mandatory for regulatory alignment.

Parameter Comparison

Engineering Selection Recommendations

The MC9S12P64VLH from NXP USA Inc. qualifies as a functional substitute for the DF36057FPJV based on the following engineering criteria:

Package Alignment: Both devices use the 64-LQFP (10x10) package, enabling direct PCB footprint compatibility without layout modifications.

Memory Sufficiency: The MC9S12P64VLH provides 64KB FLASH memory, exceeding the 56KB requirement of the original part, with additional 4K x 8 EEPROM and 4K x 8 RAM compared to the DF36057FPJV's 3K x 8 RAM.

Core Architecture: Both are 16-bit microcontrollers, maintaining computational equivalence for existing firmware implementations.

Connectivity Preservation: Both devices integrate CANbus and SCI interfaces. The MC9S12P64VLH substitutes SPI for SSU, providing equivalent serial communication capability.

Voltage Supply Compatibility: The MC9S12P64VLH operates from 1.72V to 5.5V, encompassing the DF36057FPJV's 3V to 5.5V range.

Enhanced Performance: The MC9S12P64VLH operates at 32MHz versus 20MHz, with improved analog conversion (10x12b versus 8x10b) and extended temperature range (-40°C to 105°C).

Regulatory Compliance: Both devices are ROHS3 compliant and REACH unaffected, meeting current environmental standards.

Product Status: The MC9S12P64VLH maintains active production status, ensuring long-term availability and supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can the MC9S12P64VLH directly replace the DF36057FPJV without PCB modifications?

A: Yes. Both devices use the 64-LQFP (10x10) package with identical pin counts and footprints, enabling direct substitution without PCB redesign.

Q: Are there firmware compatibility considerations between these microcontrollers?

A: The DF36057FPJV uses the H8/300H architecture while the MC9S12P64VLH uses the HCS12 architecture. These are distinct processor families requiring firmware porting and recompilation. Existing H8/300H code cannot execute directly on the HCS12 platform.

Q: What is the impact of the higher clock speed (32MHz vs 20MHz) on the MC9S12P64VLH?

A: The increased clock speed provides faster instruction execution and improved real-time responsiveness. Existing timing-dependent code may require adjustment to account for the 60% speed increase.

Q: Does the MC9S12P64VLH provide all connectivity features of the DF36057FPJV?

A: The MC9S12P64VLH provides CANbus and SCI interfaces matching the original part. It includes SPI instead of SSU. Both are serial communication protocols; SPI is more widely supported in modern embedded systems.

Q: What are the memory advantages of the MC9S12P64VLH?

A: The MC9S12P64VLH provides 64KB FLASH (8KB additional), 4K x 8 EEPROM (not present in DF36057FPJV), and 4K x 8 RAM (1K additional). These increases support more complex firmware and larger data storage requirements.

Q: Is the extended operating temperature range of the MC9S12P64VLH (-40°C to 105°C) beneficial?

A: The extended upper temperature limit (105°C vs 85°C) provides additional thermal margin in high-temperature environments. This is advantageous for industrial and automotive applications.

Q: Are both devices RoHS3 compliant?

A: Yes. Both the DF36057FPJV and MC9S12P64VLH are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: What is the significance of the MC9S12P64VLH's active product status?

A: Active status ensures ongoing manufacturing, documented support, and supply chain availability. The DF36057FPJV's obsolete status limits future procurement options and technical support resources.