FS32K144URT0VLHT Equivalent & Substitute Parts

Part Overview

The FS32K144URT0VLHT is an ARM Cortex-M4F S32K microcontroller IC manufactured by NXP USA Inc. This 32-bit single-core embedded processor operates at 112MHz with 512KB FLASH program memory, 64KB 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 designation. Identifying equivalent substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and accommodate packaging or inventory requirements while maintaining functional and electrical compatibility.

Key Parameters

Parameter	Value
Core Processor	ARM Cortex-M4F
Core Size	32-Bit Single-Core
Speed	112MHz
Program Memory Size	512KB (512K x 8) FLASH
RAM Size	64K x 8
EEPROM Size	4K x 8
Number of I/O	58
Voltage Supply Range	2.7V ~ 5.5V
Data Converters	A/D 16x12b SAR; D/A 1x8b
Connectivity	CANbus, FlexIO, I2C, LINbus, SPI, UART/USART
Peripherals	POR, PWM, WDT
Package Type	64-LQFP (10x10)
Operating Temperature	-40°C ~ 105°C (TA)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
MSL Rating	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution of the FS32K144URT0VLHT is determined by strict equivalence across the following critical parameters:

Processor Architecture: ARM Cortex-M4F core
Memory Configuration: 512KB FLASH, 64KB RAM, 4KB EEPROM
Operating Frequency: 112MHz
I/O Count: 58 pins
Package: 64-LQFP (10x10) surface mount
Voltage Range: 2.7V ~ 5.5V
Connectivity Interfaces: CANbus, FlexIO, I2C, LINbus, SPI, UART/USART
Peripheral Set: POR, PWM, WDT
Data Conversion: A/D 16x12b SAR; D/A 1x8b
Compliance: ROHS3, REACH unaffected

The FS32K144UIT0VLHT meets all these parameters identically. The only difference is packaging format: the main part uses standard tube packaging, while the substitute uses tray packaging. Both parts belong to the S32K series and maintain active product status.

Parameter Comparison

Parameter	FS32K144URT0VLHT	FS32K144UIT0VLHT	Match
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	112MHz	112MHz	✓
Program Memory	512KB (512K x 8) FLASH	512KB (512K x 8) FLASH	✓
RAM	64K x 8	64K x 8	✓
EEPROM	4K x 8	4K x 8	✓
Number of I/O	58	58	✓
Voltage Supply	2.7V ~ 5.5V	2.7V ~ 5.5V	✓
Data Converters	A/D 16x12b SAR; D/A 1x8b	A/D 16x12b SAR; D/A 1x8b	✓
Connectivity	CANbus, FlexIO, I2C, LINbus, SPI, UART/USART	CANbus, FlexIO, I2C, LINbus, SPI, UART/USART	✓
Peripherals	POR, PWM, WDT	POR, PWM, WDT	✓
Package Type	64-LQFP (10x10)	64-LQFP (10x10)	✓
Operating Temperature	-40°C ~ 105°C (TA)	-40°C ~ 105°C (TA)	✓
Mounting Type	Surface Mount	Surface Mount	✓
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	✓
MSL Rating	3 (168 Hours)	3 (168 Hours)	✓
REACH Status	REACH Unaffected	REACH Unaffected	✓
Packaging Format	Tube	Tray	Different
Product Status	Active	Active	✓

Engineering Selection Recommendations

Both the FS32K144URT0VLHT and FS32K144UIT0VLHT are functionally and electrically identical microcontroller units from NXP USA Inc.'s active S32K product line. Selection between these parts should be based on packaging and supply chain requirements:

FS32K144URT0VLHT (tube packaging): Select when standard tube format aligns with assembly line handling and inventory management procedures.
FS32K144UIT0VLHT (tray packaging): Select when tray format is required for automated pick-and-place equipment or when tray packaging inventory is available.

Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment for automotive and industrial applications. The identical electrical specifications, memory configuration, peripheral set, and operating parameters guarantee direct functional substitution without design modification or re-qualification.

Frequently Asked Questions (FAQ)

Q: Can FS32K144UIT0VLHT replace FS32K144URT0VLHT in production?

A: Yes. Both parts are electrically and functionally identical. The only difference is packaging format (tray versus tube). Substitution is valid provided your assembly process accommodates the tray packaging format.

Q: Are there any pin configuration differences between these parts?

A: No. Both parts use the 64-LQFP (10x10) package with 58 I/O pins in identical configuration. PCB layout and schematic remain unchanged.

Q: Do both parts support the same communication protocols?

A: Yes. Both parts integrate CANbus, FlexIO, I2C, LINbus, SPI, and UART/USART interfaces identically.

Q: What is the significance of the packaging difference?

A: Tube packaging (URT) and tray packaging (UIT) affect handling, storage, and automated assembly compatibility. Tube format is suitable for manual or standard pick-and-place operations, while tray format is optimized for high-speed automated assembly equipment.

Q: Are compliance certifications identical?

A: Yes. Both parts carry ROHS3 compliance and REACH unaffected status. MSL rating is 3 (168 Hours) for both.

Q: Can I use these parts interchangeably in the same design?

A: Yes, from an electrical and functional standpoint. Verify that your assembly process and equipment can handle the specific packaging format of the substitute part.

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