DF36057GFZV Equivalent & Substitute Parts

Part Overview

The DF36057GFZV 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, redesigns, and production continuity. The H8/300H architecture and specific peripheral configuration require careful evaluation when selecting substitute components to ensure system compatibility and performance requirements are maintained.

Substiute Parts

DF36057GFZV

Renesas Electronics CorporationIn Stock: 1082DF36057GFZV Datasheet

Current PartRFQ

MC9S12P64VLH

NXP USA Inc.In Stock: 908MC9S12P64VLH Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DF36057GFZV is determined by the following critical parameters:

Package Compatibility: Both the main part and substitute must use the 64-LQFP (10x10) package to ensure mechanical and electrical pin compatibility without PCB redesign.

Core Architecture: The substitute must support 16-bit processing to maintain instruction set compatibility and software portability.

Memory Configuration: Program memory must be sufficient to accommodate existing firmware. The substitute features 64KB FLASH, exceeding the original 56KB requirement.

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

Peripheral Set: Critical peripherals including CANbus, SCI, PWM, and WDT must be present to support existing system interfaces.

I/O Count: The substitute provides 49 I/O pins, exceeding the original 45 pins, ensuring all signal connections can be maintained.

Compliance: Both devices maintain ROHS3 compliance and identical MSL ratings (3, 168 Hours), supporting equivalent manufacturing and storage requirements.

The MC9S12P64VLH meets these substitution criteria while offering enhanced specifications including higher clock speed (32MHz vs. 20MHz), expanded memory (64KB vs. 56KB FLASH, 4KB vs. 3KB RAM), and extended operating temperature range (-40°C ~ 105°C vs. -20°C ~ 75°C).

Parameter Comparison

Engineering Selection Recommendations

The MC9S12P64VLH is a functionally equivalent substitute for the DF36057GFZV based on the following engineering criteria:

Package Compatibility: Both devices utilize the 64-LQFP (10x10) package, eliminating the need for PCB layout modifications.

Compliance Status: Both parts maintain ROHS3 compliance and identical moisture sensitivity levels, ensuring equivalent manufacturing, handling, and storage protocols.

Active Product Status: The MC9S12P64VLH is classified as active, providing assured long-term availability and supply chain stability compared to the obsolete DF36057GFZV.

Memory Sufficiency: The 64KB FLASH and 4KB RAM of the MC9S12P64VLH exceed the original 56KB FLASH and 3KB RAM specifications, accommodating existing firmware without modification.

Peripheral Compatibility: Both devices provide CANbus, SCI, PWM, and WDT peripherals required for system operation.

Enhanced Specifications: The substitute offers higher clock speed (32MHz), expanded I/O count (49 vs. 45), and extended operating temperature range, providing design margin for demanding applications.

Selection of the MC9S12P64VLH requires validation of instruction set compatibility and firmware porting procedures specific to the H8/300H to HCS12 architecture transition.

Frequently Asked Questions (FAQ)

Q: Can the MC9S12P64VLH be used as a direct pin-for-pin replacement for the DF36057GFZV?

A: Both devices use the 64-LQFP (10x10) package with identical pin counts and spacing. However, pin assignments and signal definitions differ between the H8/300H and HCS12 architectures. PCB layout compatibility requires detailed pinout verification and may necessitate firmware modifications.

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

A: The DF36057GFZV provides 56KB FLASH and 3KB RAM. The MC9S12P64VLH provides 64KB FLASH, 4KB RAM, and includes 4KB EEPROM. The increased memory capacity of the substitute accommodates larger firmware images and expanded data storage requirements.

Q: Are both devices suitable for the same operating temperature range?

A: The DF36057GFZV operates from -20°C to 75°C. The MC9S12P64VLH operates from -40°C to 105°C, providing extended temperature capability. Applications requiring the original -20°C to 75°C range are fully supported by the substitute.

Q: Do both devices support the same communication interfaces?

A: Both devices include CANbus, SCI, and PWM peripherals. The DF36057GFZV includes SSU connectivity, while the MC9S12P64VLH includes SPI. System requirements must be evaluated to confirm interface compatibility.

Q: What is the significance of the different voltage supply ranges?

A: The DF36057GFZV operates from 3V to 5.5V. The MC9S12P64VLH operates from 1.72V to 5.5V, supporting lower voltage applications. Systems designed for the original 3V to 5.5V range operate within the substitute's specification envelope.

Q: How do the analog-to-digital converter specifications compare?

A: The DF36057GFZV provides 8-channel 10-bit A/D conversion. The MC9S12P64VLH provides 10-channel 12-bit A/D conversion, offering increased resolution and channel count for analog signal acquisition.

Q: What compliance certifications apply to both devices?

A: Both devices are ROHS3 compliant and carry identical MSL ratings of 3 (168 Hours), ensuring equivalent environmental compliance and manufacturing process compatibility.