DF36057FZV Equivalent & Substitute Parts

Part Overview

The DF36057FZV 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 equivalent and substitute parts necessary for ongoing system support, redesigns, and production continuity. The part operates at 20MHz with integrated CANbus, SCI, and SSU connectivity, along with PWM and watchdog timer peripherals.

Substiute Parts

DF36057FZV

Renesas Electronics CorporationIn Stock: 1058DF36057FZV Datasheet

Current PartRFQ

MC9S12P64VLH

NXP USA Inc.In Stock: 908MC9S12P64VLH Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DF36057FZV 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 mechanical fit and PCB compatibility.

Core Architecture: The substitute must be a 16-bit microcontroller to maintain software compatibility and instruction set alignment.

Memory Configuration: The substitute must provide equal or greater FLASH memory capacity (minimum 56KB) and sufficient RAM (minimum 3K x 8) to support existing firmware.

Voltage Supply Range: The substitute must operate within or encompass the 3V ~ 5.5V supply range of the original part.

Connectivity & Peripherals: The substitute must include CANbus, SCI connectivity, and PWM/WDT peripherals to maintain functional equivalence.

Compliance: The substitute must maintain ROHS3 compliance and equivalent moisture sensitivity level (MSL 3).

The MC9S12P64VLH meets these substitution criteria as a 16-bit microcontroller in a 64-LQFP package with enhanced specifications.

Parameter Comparison

Engineering Selection Recommendations

The MC9S12P64VLH is a direct substitute for the obsolete DF36057FZV based on package compatibility, core architecture, and memory specifications. The substitute offers enhanced performance characteristics including higher clock speed (32MHz vs. 20MHz), increased FLASH capacity (64KB vs. 56KB), and expanded RAM (4K x 8 vs. 3K x 8). The MC9S12P64VLH maintains active product status, ensuring long-term availability and supply chain stability compared to the obsolete DF36057FZV.

Both parts maintain ROHS3 compliance and identical moisture sensitivity levels (MSL 3, 168 hours), supporting equivalent handling and storage requirements. The MC9S12P64VLH provides an extended operating temperature range (-40°C ~ 105°C) and lower minimum supply voltage (1.72V), offering greater design flexibility for diverse application environments.

The 64-LQFP package of the MC9S12P64VLH is mechanically compatible with the 64-LFQFP footprint of the DF36057FZV, enabling direct PCB layout reuse. Firmware migration requires validation of instruction set compatibility and peripheral register mapping between the H8/300H and HCS12 architectures.

Frequently Asked Questions (FAQ)

Q: Can the MC9S12P64VLH be used as a direct pin-for-pin replacement for the DF36057FZV?

A: Both parts use the 64-LQFP (10x10) package with identical mechanical dimensions, enabling direct PCB footprint compatibility. However, pin functionality differs between the H8/300H and HCS12 architectures. A detailed pinout comparison and firmware adaptation are required before implementation.

Q: What are the key differences in memory configuration between these parts?

A: The MC9S12P64VLH provides 64KB FLASH memory compared to the DF36057FZV's 56KB, offering 8KB additional program storage. The substitute also includes 4K x 8 EEPROM, which the original part does not provide. RAM capacity increases from 3K x 8 to 4K x 8, supporting larger data structures and stack operations.

Q: Are the connectivity interfaces compatible between these microcontrollers?

A: Both parts include CANbus and SCI interfaces. The DF36057FZV features SSU connectivity, while the MC9S12P64VLH provides SPI. Applications requiring SSU functionality must evaluate alternative interface options or select a different substitute part.

Q: Does the higher operating temperature range of the MC9S12P64VLH affect system design?

A: The MC9S12P64VLH operates from -40°C ~ 105°C compared to the DF36057FZV's -20°C ~ 75°C range. This extended range provides greater thermal margin for industrial and automotive applications. Existing designs operating within the original temperature range require no modification.

Q: What compliance certifications apply to both parts?

A: Both the DF36057FZV and MC9S12P64VLH are ROHS3 compliant and REACH unaffected. Moisture sensitivity levels are identical (MSL 3, 168 hours), ensuring equivalent handling, storage, and reflow requirements throughout the supply chain.

Q: Is firmware migration required when switching from the DF36057FZV to the MC9S12P64VLH?

A: Yes. The DF36057FZV uses the H8/300H instruction set, while the MC9S12P64VLH uses the HCS12 instruction set. Firmware must be recompiled and validated for the target architecture. Peripheral register addresses and interrupt vector assignments differ between these processors.