FS32K142HRT0MLHT Equivalent & Substitute Parts

Part Overview

The FS32K142HRT0MLHT is an ARM Cortex-M4F S32K microcontroller IC manufactured by NXP USA Inc. This 32-bit single-core embedded processor operates at 80MHz with 256KB FLASH program memory, 32KB RAM, and 4KB EEPROM. The device integrates multiple communication interfaces including CANbus, FlexIO, I2C, LINbus, SPI, and UART/USART, along with analog and digital peripherals suitable for automotive and industrial control applications. The part is currently in active production status with ROHS3 compliance and REACH unaffected classification. Identifying equivalent substitute parts is essential for supply chain continuity, inventory optimization, and design flexibility when the primary part number becomes unavailable or when alternative sourcing is required.

Substiute Parts

FS32K142HRT0MLHT

NXP USA Inc.In Stock: 3595FS32K142HRT0MLHT Datasheet

Current PartRFQ

FS32K142HAT0MLHT

NXP USA Inc.In Stock: 7259FS32K142HAT0MLHT Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the FS32K142HRT0MLHT is determined by strict parametric equivalence across all critical electrical and mechanical specifications. The substitute part FS32K142HAT0MLHT qualifies as a direct equivalent based on the following criteria:

Core Substitution Parameters:

• Identical ARM Cortex-M4F processor architecture and 32-bit single-core configuration
• Matching 80MHz operating frequency
• Identical program memory capacity of 256KB FLASH
• Identical RAM allocation of 32KB and EEPROM of 4KB
• Identical I/O pin count of 58
• Matching supply voltage range of 2.7V ~ 5.5V
• Identical package specification: 64-LQFP (10x10)
• Identical operating temperature range: -40°C ~ 125°C
• Identical connectivity interfaces: CANbus, FlexIO, I2C, LINbus, SPI, UART/USART
• Identical data converter specifications: A/D 16x12b SAR; D/A 1x8b
• Identical peripheral set: POR, PWM, WDT
• Identical mounting type: Surface Mount
• Identical compliance certifications: ROHS3 Compliant, REACH Unaffected

The difference between these part numbers lies in packaging configuration and handling specifications rather than functional or electrical parameters. Both parts belong to the S32K series and maintain active product status.

Parameter Comparison

Engineering Selection Recommendations

Both the FS32K142HRT0MLHT and FS32K142HAT0MLHT are qualified for direct substitution based on complete parametric equivalence. Selection between these parts should be based on:

Supply Chain Availability: The FS32K142HAT0MLHT currently maintains higher inventory levels (7169 pieces) compared to the FS32K142HRT0MLHT (3500 pieces), making it the preferred choice for immediate procurement when supply constraints exist.

Compliance and Certification: Both parts maintain identical compliance certifications including ROHS3 compliance and REACH unaffected status, ensuring regulatory equivalence for applications subject to environmental and hazardous substance restrictions.

Product Status: Both parts are classified as active products from NXP USA Inc., confirming ongoing manufacturer support and long-term availability assurance.

Functional Equivalence: The complete alignment of all electrical specifications, memory configurations, peripheral sets, and interface capabilities ensures that either part can be deployed in designs originally specified for the FS32K142HRT0MLHT without modification to firmware, PCB layout, or system architecture.

Frequently Asked Questions (FAQ)

Q: Are FS32K142HRT0MLHT and FS32K142HAT0MLHT pin-compatible?

A: Yes. Both parts use the identical 64-LQFP (10x10) package with 58 I/O pins in the same configuration. PCB footprints and pinout assignments are identical, enabling direct component substitution without PCB redesign.

Q: Can firmware developed for FS32K142HRT0MLHT run on FS32K142HAT0MLHT without modification?

A: Yes. Both microcontrollers feature identical ARM Cortex-M4F processor architecture, memory organization (256KB FLASH, 32KB RAM, 4KB EEPROM), and peripheral configurations. Firmware compiled for one part executes identically on the other without code changes.

Q: What is the difference between these two part numbers?

A: The difference lies in packaging and handling specifications rather than functional or electrical characteristics. Both parts are from the S32K series and share identical core specifications. The variation in part number suffix reflects different packaging or distribution configurations from NXP USA Inc.

Q: Are both parts suitable for automotive and industrial applications?

A: Yes. Both parts maintain identical operating temperature ranges (-40°C ~ 125°C), supply voltage tolerance (2.7V ~ 5.5V), and peripheral configurations including CANbus and LINbus interfaces, making them suitable for automotive and industrial control applications.

Q: Do both parts have the same moisture sensitivity level?

A: Yes. Both parts are rated MSL 3 (168 Hours), requiring identical handling and storage protocols to prevent moisture absorption during manufacturing and assembly processes.

Q: Can I use FS32K142HAT0MLHT as a drop-in replacement in existing designs?

A: Yes. Complete parametric equivalence across all electrical, mechanical, and compliance specifications enables direct substitution without design modifications, PCB layout changes, or firmware updates.