FS32K144UFT0VLHT Equivalent & Substitute Parts

Part Overview

The FS32K144UFT0VLHT 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 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.

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
Connectivity	CANbus, FlexIO, I2C, LINbus, SPI, UART/USART
Peripherals	POR, PWM, WDT
Data Converters	A/D 16x12b SAR; D/A 1x8b
Voltage Supply (Vcc/Vdd)	2.7V ~ 5.5V
Operating Temperature	-40°C ~ 105°C (TA)
Package / Case	64-LQFP (10x10)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
MSL Rating	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution of the FS32K144UFT0VLHT is determined by strict equivalence across the following critical parameters:

Processor Architecture: ARM Cortex-M4F core with identical instruction set compatibility
Memory Configuration: 512KB FLASH, 64KB RAM, and 4KB EEPROM capacity
Clock Speed: 112MHz operation frequency
I/O Count: 58 input/output pins
Connectivity Interfaces: CANbus, FlexIO, I2C, LINbus, SPI, and UART/USART support
Peripheral Set: POR, PWM, and WDT functionality
Data Conversion: A/D 16x12b SAR and D/A 1x8b converters
Voltage Range: 2.7V to 5.5V supply compatibility
Temperature Range: -40°C to 105°C operating specification
Package Format: 64-LQFP (10x10) surface mount configuration
Compliance: ROHS3 and REACH status alignment

The substitute part FS32K144UIT0VLHT meets all these criteria and belongs to the same S32K series base product family (FS32K144).

Parameter Comparison

Parameter	FS32K144UFT0VLHT	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 Size	512KB (512K x 8) FLASH	512KB (512K x 8) FLASH	✓
RAM Size	64K x 8	64K x 8	✓
EEPROM Size	4K x 8	4K 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 ~ 105°C (TA)	-40°C ~ 105°C (TA)	✓
Mounting Type	Surface Mount	Surface Mount	✓
Package / Case	64-LQFP (10x10)	64-LQFP (10x10)	✓
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	✓
MSL Rating	3 (168 Hours)	3 (168 Hours)	✓
REACH Status	REACH Unaffected	REACH Unaffected	✓
Product Status	Active	Active	✓

Engineering Selection Recommendations

Both the FS32K144UFT0VLHT and FS32K144UIT0VLHT are active production parts from NXP USA Inc. with identical electrical and mechanical specifications. Selection between these parts should be based on:

Inventory Availability: The FS32K144UIT0VLHT currently has 1552 pieces in stock compared to 811 pieces for the FS32K144UFT0VLHT, providing greater supply assurance.
Compliance Status: Both parts maintain ROHS3 compliance and REACH unaffected status, meeting regulatory requirements for industrial and automotive applications.
Packaging and Handling: Both parts are supplied in trays with identical MSL 3 (168 Hours) moisture sensitivity ratings, requiring equivalent storage and handling protocols.
Production Status: Both parts are in active production, ensuring long-term availability and support from the manufacturer.

Frequently Asked Questions (FAQ)

Q: Can FS32K144UIT0VLHT be used as a direct replacement for FS32K144UFT0VLHT?

A: Yes. Both parts are parametrically equivalent across all electrical and mechanical specifications, including processor architecture, memory configuration, clock speed, I/O count, connectivity interfaces, peripherals, voltage range, temperature range, and package format. No design modifications are required for substitution.

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

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

Q: Do both parts support the same communication protocols?

A: Yes. Both the FS32K144UFT0VLHT and FS32K144UIT0VLHT support CANbus, FlexIO, I2C, LINbus, SPI, and UART/USART interfaces with identical functional capabilities.

Q: What is the difference between the part numbers FS32K144UFT0VLHT and FS32K144UIT0VLHT?

A: The difference lies in the suffix characters "FT" versus "IT" within the part number. Both variants belong to the S32K series (base product number FS32K144) and share identical electrical and mechanical characteristics. The suffix variation typically indicates different manufacturing batches or internal NXP product line designations but does not affect functional equivalence.

Q: Are moisture sensitivity levels identical for both parts?

A: Yes. Both parts carry MSL 3 (168 Hours) rating, requiring identical storage conditions and handling procedures to prevent moisture absorption during manufacturing and assembly processes.

Q: Can these parts be used interchangeably in automotive applications?

A: Yes. Both parts maintain active production status with ROHS3 compliance and REACH unaffected classification, meeting automotive industry standards and regulatory requirements for equivalent component substitution.

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