FS32K142UFT0VLLT Equivalent & Substitute Parts

Part Overview

The FS32K142UFT0VLLT is a 32-bit ARM Cortex-M4F microcontroller from NXP USA Inc. in the S32K series, featuring 256KB FLASH memory, 32KB RAM, and 89 I/O pins in a 100-LQFP package. The device operates at 112MHz with integrated connectivity options including CANbus, I2C, LINbus, SPI, and UART/USART. This part is currently marked as obsolete, making equivalent or substitute components necessary for ongoing design support and production continuity.

Substiute Parts

FS32K142UFT0VLLT

NXP USA Inc.In Stock: 1043FS32K142UFT0VLLT Datasheet

Current PartRFQ

FS32K144UFT0VLLT

NXP USA Inc.In Stock: 15686FS32K144UFT0VLLT Datasheet

DirectRFQ

FS32K142UAT0VLLT

NXP USA Inc.In Stock: 1528FS32K142UAT0VLLT Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the FS32K142UFT0VLLT is determined by the following critical parameters:

Core Compatibility Requirements:

• Manufacturer: NXP USA Inc.
• Series: S32K
• Core Processor: ARM Cortex-M4F
• Core Size: 32-Bit Single-Core
• Speed: 112MHz
• Package Type: 100-LQFP (14x14)
• Voltage Supply Range: 2.7V ~ 5.5V
• Operating Temperature: -40°C ~ 105°C
• Number of I/O: 89
• Connectivity: CANbus, FlexIO, I2C, LINbus, SPI, UART/USART
• Data Converters: A/D 16x12b SAR, D/A 1x8b
• Peripherals: POR, PWM, WDT

Allowed Variation Parameters:

• Program Memory Size (FLASH): May vary
• RAM Size: May vary
• EEPROM Size: May vary
• Packaging format (Tray vs. standard)
• Product status (Active vs. Obsolete)
• RoHS compliance status

The identified substitutes maintain identical core architecture, pin count, package footprint, and electrical specifications while allowing flexibility in memory configurations and packaging options.

Parameter Comparison

Engineering Selection Recommendations

FS32K144UFT0VLLT (Direct Substitute - Recommended for New Designs)

This part is the primary substitute for the obsolete FS32K142UFT0VLLT. It maintains identical core architecture, pin configuration, and electrical specifications while offering increased program memory (512KB vs. 256KB) and RAM (64KB vs. 32KB). The FS32K144UFT0VLLT is currently in active production status with ROHS3 compliance certification. The expanded memory capacity provides design flexibility without requiring PCB modifications or firmware architecture changes. This part is suitable for direct replacement in existing designs and is the preferred choice for new development.

FS32K142UAT0VLLT (Parametric Equivalent - Alternative Option)

This part provides an exact memory configuration match to the original FS32K142UFT0VLLT (256KB FLASH, 32KB RAM) while maintaining identical core specifications and pin compatibility. The primary difference is the packaging format (Tray vs. standard). This part is in active production status with ROHS3 compliance. Selection of this part is appropriate when memory configuration must remain unchanged from the original design or when tray packaging is preferred for manufacturing processes.

Both substitute parts are manufactured by NXP USA Inc., share the same S32K series architecture, and are fully compatible with existing PCB layouts and firmware designed for the FS32K142UFT0VLLT.

Frequently Asked Questions (FAQ)

Q: Can FS32K144UFT0VLLT be used as a direct replacement for FS32K142UFT0VLLT?

A: Yes. The FS32K144UFT0VLLT is a direct substitute with identical pin configuration, package footprint, and electrical specifications. The increased memory capacity (512KB FLASH and 64KB RAM) is backward compatible and does not require PCB modifications. Existing firmware will operate without changes, though the additional memory capacity can be utilized for expanded application functionality.

Q: What is the difference between FS32K142UAT0VLLT and FS32K142UFT0VLLT?

A: Both parts have identical electrical specifications, core architecture, and memory configuration (256KB FLASH, 32KB RAM). The primary difference is the packaging format: FS32K142UAT0VLLT is supplied in Tray packaging, while FS32K142UFT0VLLT uses standard packaging. Pin count, package type (100-LQFP), and all functional parameters remain identical.

Q: Are all three parts pin-compatible?

A: Yes. All three parts feature 100-LQFP (14x14) packages with 89 I/O pins in identical pin configurations. They are fully pin-compatible and can be used interchangeably on the same PCB without layout modifications.

Q: Do the substitute parts meet the same compliance standards?

A: Both FS32K144UFT0VLLT and FS32K142UAT0VLLT are ROHS3 compliant and REACH unaffected. Both maintain the same ECCN (5A992C) and HTSUS (8542.31.0001) classifications as the original part. Moisture sensitivity level remains at MSL 3 (168 Hours) for all parts.

Q: Which substitute should be selected for new production?

A: FS32K144UFT0VLLT is recommended for new designs and production. It is in active production status with higher inventory availability and offers increased memory capacity without additional cost or complexity. FS32K142UAT0VLLT is an alternative if the original memory configuration must be preserved or if tray packaging is required for manufacturing processes.

Q: Are there any firmware modifications required when switching to a substitute part?

A: No firmware modifications are required. Both substitute parts maintain full backward compatibility with firmware designed for the FS32K142UFT0VLLT. The identical core processor, speed, connectivity, and peripheral specifications ensure seamless operation without code changes.