FS32K142MAT0MLHT Equivalent & Substitute Parts

Part Overview

The FS32K142MAT0MLHT is an ARM Cortex-M4F S32K microcontroller IC featuring 32-bit single-core architecture, 256KB FLASH memory, and 64-LQFP packaging. This device is classified as obsolete, making identification of compatible substitute parts essential for ongoing system support and new design implementations. The primary substitute maintains identical core functionality while offering enhanced performance specifications and active product status.

Key Parameters

Parameter	Value
Manufacturer	NXP USA Inc.
Series	S32K
Core Processor	ARM Cortex-M4F
Core Size	32-Bit Single-Core
Program Memory Type	FLASH
Program Memory Size	256KB (256K x 8)
Package / Case	64-LQFP (10x10)
Mounting Type	Surface Mount
Voltage Supply Range	2.7V ~ 5.5V
Operating Temperature	-40°C ~ 125°C (TA)

Substitute Part Grouping Explanation

Substitution of the FS32K142MAT0MLHT with the FS32K142HAT0MLHT is valid based on the following criteria:

Identical Parameters:

Manufacturer: NXP USA Inc.
Series: S32K
Core Processor: ARM Cortex-M4F
Core Size: 32-Bit Single-Core
Program Memory Size: 256KB (256K x 8)
Program Memory Type: FLASH
EEPROM Size: 4K x 8
RAM Size: 32K x 8
Number of I/O: 58
Connectivity: CANbus, FlexIO, I2C, LINbus, SPI, UART/USART
Peripherals: POR, PWM, WDT
Data Converters: A/D 16x12b SAR; D/A 1x8b
Voltage Supply Range: 2.7V ~ 5.5V
Operating Temperature: -40°C ~ 125°C (TA)
Package / Case: 64-LQFP (10x10)
Mounting Type: Surface Mount
Base Product Number: FS32K142

Differing Parameters:

Speed: 64MHz (main part) vs. 80MHz (substitute)
Product Status: Obsolete (main part) vs. Active (substitute)
Packaging: Not specified (main part) vs. Tray (substitute)
Moisture Sensitivity Level: 1 (main part) vs. 3 (substitute)
RoHS Status: Not specified (main part) vs. ROHS3 Compliant (substitute)

The substitute part operates at a higher clock speed while maintaining full backward compatibility with the original device pinout, memory configuration, and peripheral set.

Parameter Comparison

Parameter	FS32K142MAT0MLHT	FS32K142HAT0MLHT
Manufacturer	NXP USA Inc.	NXP USA Inc.
Series	S32K	S32K
Core Processor	ARM Cortex-M4F	ARM Cortex-M4F
Core Size	32-Bit Single-Core	32-Bit Single-Core
Speed	64MHz	80MHz
Program Memory Size	256KB (256K x 8)	256KB (256K x 8)
Program Memory Type	FLASH	FLASH
EEPROM Size	4K x 8	4K x 8
RAM Size	32K x 8	32K x 8
Number of I/O	58	58
Connectivity	CANbus, FlexIO, I2C, LINbus, SPI, UART/USART	CANbus, FlexIO, I2C, LINbus, SPI, UART/USART
Peripherals	POR, PWM, WDT	POR, PWM, WDT
Data Converters	A/D 16x12b SAR; D/A 1x8b	A/D 16x12b SAR; D/A 1x8b
Voltage Supply (Vcc/Vdd)	2.7V ~ 5.5V	2.7V ~ 5.5V
Operating Temperature	-40°C ~ 125°C (TA)	-40°C ~ 125°C (TA)
Package / Case	64-LQFP (10x10)	64-LQFP (10x10)
Mounting Type	Surface Mount	Surface Mount
Product Status	Obsolete	Active
RoHS Status	Not specified	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	3 (168 Hours)

Engineering Selection Recommendations

The FS32K142HAT0MLHT is the direct substitute for the obsolete FS32K142MAT0MLHT. Selection of the substitute part is justified by the following factors:

Product Status: The main part is classified as obsolete, while the substitute maintains active product status with NXP USA Inc., ensuring continued availability and manufacturing support.

Compliance: The substitute part carries ROHS3 compliance certification, meeting current regulatory requirements for electronic components in regulated markets.

Functional Compatibility: Both devices share identical pinout, memory architecture, peripheral configuration, and voltage specifications, enabling direct replacement in existing PCB designs without layout modifications.

Performance Enhancement: The substitute operates at 80MHz compared to the original 64MHz, providing 25% increased processing capability while maintaining full backward compatibility with firmware developed for the original device.

Packaging and Handling: The substitute is supplied in Tray packaging with MSL 3 rating (168 hours), requiring standard moisture control procedures during storage and assembly operations.

Frequently Asked Questions (FAQ)

Q: Can the FS32K142HAT0MLHT be used as a direct replacement for the FS32K142MAT0MLHT?

A: Yes. Both devices share identical pinout (64-LQFP), memory configuration (256KB FLASH, 32KB RAM, 4KB EEPROM), peripheral set, and voltage specifications (2.7V ~ 5.5V). No PCB modifications are required for substitution.

Q: What is the primary difference between these two parts?

A: The substitute operates at 80MHz clock speed versus 64MHz for the original part. This represents a 25% performance increase while maintaining full backward compatibility. The substitute also carries active product status and ROHS3 compliance.

Q: Are there any firmware compatibility concerns?

A: No. Firmware compiled for the FS32K142MAT0MLHT will execute on the FS32K142HAT0MLHT without modification. The higher clock speed may improve execution performance but does not introduce incompatibilities.

Q: What are the moisture handling requirements for the substitute part?

A: The FS32K142HAT0MLHT carries MSL 3 rating with a 168-hour floor life. Standard moisture control procedures must be followed during storage and assembly. The original part carries MSL 1 (unlimited floor life), which is less restrictive.

Q: Are both parts available from the same manufacturer?

A: Yes. Both the FS32K142MAT0MLHT and FS32K142HAT0MLHT are manufactured by NXP USA Inc. and belong to the S32K microcontroller series.

Q: What connectivity options are supported?

A: Both parts support CANbus, FlexIO, I2C, LINbus, SPI, and UART/USART interfaces, providing comprehensive communication protocol support for embedded applications.

Q: Is the substitute part suitable for automotive applications?

A: Both parts are designed for embedded applications with industrial temperature range (-40°C ~ 125°C). Specific automotive qualification status should be verified against application requirements and NXP documentation.

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