FS32K142UFT0VLHT Equivalent & Substitute Parts

Part Overview

The FS32K142UFT0VLHT is an ARM Cortex-M4F S32K series 32-bit microcontroller manufactured by NXP USA Inc. This device integrates 256KB FLASH program memory, 32KB RAM, and 4KB EEPROM in a 64-LQFP (10x10) surface mount package. The part is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing production and design continuity. Substitute parts maintain core functionality while offering improved availability, updated product status, or enhanced memory configurations within the S32K family.

Key Parameters

Parameter	Value
Manufacturer	NXP USA Inc.
Series	S32K
Core Processor	ARM Cortex-M4F
Core Size	32-Bit Single-Core
Speed	112MHz
Program Memory Type	FLASH
Package / Case	64-LQFP (10x10)
Mounting Type	Surface Mount
Voltage Supply (Vcc/Vdd)	2.7V ~ 5.5V
Operating Temperature	-40°C ~ 105°C (TA)
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

Substitute Part Grouping Explanation

Substitution within the S32K microcontroller family is determined by strict electrical and mechanical compatibility. The following parameters define valid substitution:

Core Compatibility Parameters:

ARM Cortex-M4F processor architecture
112MHz clock speed
64-LQFP (10x10) package footprint
2.7V ~ 5.5V supply voltage range
-40°C ~ 105°C operating temperature
58 I/O pins
Identical peripheral set (CANbus, FlexIO, I2C, LINbus, SPI, UART/USART, POR, PWM, WDT)
Identical data converter configuration (A/D 16x12b SAR; D/A 1x8b)

Memory Variations Allowed: Program memory (FLASH) and RAM capacity may vary between substitutes. The FS32K142UFT0VLHT base model includes 256KB FLASH and 32KB RAM. Substitute parts may offer equal or greater memory capacity while maintaining all other electrical and mechanical specifications.

Packaging Variations Allowed: Packaging format (Tape & Reel or Tray) does not affect electrical compatibility and is determined by supply chain and manufacturing requirements.

Parameter Comparison

Parameter	FS32K142UFT0VLHT (Main)	FS32K144UFT0VLHR	FS32K142UAT0VLHT	FS32K142UIT0VLHT	FS32K142URT0VLHT
Manufacturer	NXP USA Inc.	NXP USA Inc.	NXP USA Inc.	NXP USA Inc.	NXP USA Inc.
Series	S32K	S32K	S32K	S32K	S32K
Core Processor	ARM Cortex-M4F	ARM Cortex-M4F	ARM Cortex-M4F	ARM Cortex-M4F	ARM Cortex-M4F
Core Size	32-Bit Single-Core	32-Bit Single-Core	32-Bit Single-Core	32-Bit Single-Core	32-Bit Single-Core
Speed	112MHz	112MHz	112MHz	112MHz	112MHz
Program Memory Size	256KB (256K x 8)	512KB (512K x 8)	256KB (256K x 8)	256KB (256K x 8)	256KB (256K x 8)
Program Memory Type	FLASH	FLASH	FLASH	FLASH	FLASH
EEPROM Size	4K x 8	4K x 8	4K x 8	4K x 8	4K x 8
RAM Size	32K x 8	64K x 8	32K x 8	32K x 8	32K x 8
Voltage Supply (Vcc/Vdd)	2.7V ~ 5.5V	2.7V ~ 5.5V	2.7V ~ 5.5V	2.7V ~ 5.5V	2.7V ~ 5.5V
Data Converters	A/D 16x12b SAR; D/A 1x8b	A/D 16x12b SAR; D/A 1x8b	A/D 16x12b SAR; D/A 1x8b	A/D 16x12b SAR; D/A 1x8b	A/D 16x12b SAR; D/A 1x8b
Oscillator Type	Internal	Internal	Internal	Internal	Internal
Operating Temperature	-40°C ~ 105°C (TA)	-40°C ~ 105°C (TA)	-40°C ~ 105°C (TA)	-40°C ~ 105°C (TA)	-40°C ~ 105°C (TA)
Number of I/O	58	58	58	58	58
Connectivity	CANbus, FlexIO, I2C, LINbus, SPI, UART/USART	CANbus, FlexIO, I2C, LINbus, SPI, UART/USART	CANbus, FlexIO, I2C, LINbus, SPI, UART/USART	CANbus, FlexIO, I2C, LINbus, SPI, UART/USART	CANbus, FlexIO, I2C, LINbus, SPI, UART/USART
Peripherals	POR, PWM, WDT	POR, PWM, WDT	POR, PWM, WDT	POR, PWM, WDT	POR, PWM, WDT
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	64-LQFP (10x10)	64-LQFP (10x10)	64-LQFP (10x10)	64-LQFP (10x10)	64-LQFP (10x10)
Product Status	Obsolete	Active	Active	Active	Active
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging Format	Not specified	Tape & Reel (TR)	Tray	Tray	Tray

Engineering Selection Recommendations

FS32K142UAT0VLHT, FS32K142UIT0VLHT, FS32K142URT0VLHT: These three parts are parametric equivalents to the FS32K142UFT0VLHT. All maintain identical memory configuration (256KB FLASH, 32KB RAM), electrical specifications, and pin count. The primary differences are product status (Active vs. Obsolete) and packaging format (Tray). All three substitute parts carry ROHS3 compliance certification. Selection among these three should be based on packaging requirements and supply chain availability. FS32K142UAT0VLHT offers the highest inventory (15,770 units).

FS32K144UFT0VLHR: This part offers enhanced memory capacity with 512KB FLASH and 64KB RAM while maintaining identical core processor speed, pin count, and peripheral configuration. The FS32K144UFT0VLHR is suitable for applications requiring greater program and data storage. This part is supplied in Tape & Reel format and carries ROHS3 compliance. Product status is Active with 719 units in stock. Moisture Sensitivity Level is MSL 3 (168 Hours), compared to MSL 1 for the original part.

All substitute parts maintain the same 64-LQFP (10x10) footprint, supply voltage range (2.7V ~ 5.5V), operating temperature range (-40°C ~ 105°C), and peripheral connectivity, ensuring direct compatibility at the system level.

Frequently Asked Questions (FAQ)

Q: Can FS32K142UAT0VLHT, FS32K142UIT0VLHT, and FS32K142URT0VLHT be used interchangeably with FS32K142UFT0VLHT?

A: Yes. These three parts are parametric equivalents with identical electrical specifications, memory configuration, pin count, and package footprint. The differences are product status (all three are Active vs. Obsolete) and packaging format (Tray vs. unspecified). They are direct substitutes for the original part.

Q: What is the difference between FS32K142UFT0VLHT and FS32K144UFT0VLHR?

A: The primary difference is memory capacity. FS32K144UFT0VLHR provides 512KB FLASH and 64KB RAM compared to 256KB FLASH and 32KB RAM in the FS32K142UFT0VLHT. All other electrical and mechanical specifications are identical. FS32K144UFT0VLHR is suitable for applications requiring larger program or data storage.

Q: Are the substitute parts pin-compatible with the original FS32K142UFT0VLHT?

A: Yes. All substitute parts use the same 64-LQFP (10x10) package with 58 I/O pins. PCB layout and footprint are identical.

Q: What does the product status "Obsolete" mean for FS32K142UFT0VLHT?

A: Obsolete status indicates the part is no longer in active production. The substitute parts listed (FS32K142UAT0VLHT, FS32K142UIT0VLHT, FS32K142URT0VLHT, FS32K144UFT0VLHR) all carry Active status, ensuring continued availability and support.

Q: Do all substitute parts meet RoHS compliance?

A: FS32K142UAT0VLHT, FS32K142UIT0VLHT, FS32K142URT0VLHT, and FS32K144UFT0VLHR all carry ROHS3 Compliant certification. RoHS status for the original FS32K142UFT0VLHT is not specified in the provided data.

Q: What is the difference between Tape & Reel and Tray packaging?

A: Tape & Reel (TR) packaging is used for automated assembly processes and high-volume production. Tray packaging is used for manual handling and lower-volume applications. Both formats contain the same electronic component; the difference is in the physical delivery and handling method. Selection depends on manufacturing process requirements.

Q: Can FS32K144UFT0VLHR be used as a drop-in replacement for FS32K142UFT0VLHT?

A: Yes, from an electrical and mechanical standpoint. FS32K144UFT0VLHR maintains identical core processor, speed, pin count, and package footprint. The increased memory (512KB FLASH, 64KB RAM) is backward compatible. However, firmware must be validated to ensure the application does not exceed the original part's memory specifications if that was a design constraint.

Q: What is Moisture Sensitivity Level (MSL)?

A: MSL indicates the maximum time a component can be exposed to moisture at specified temperature and humidity conditions before soldering. FS32K142UFT0VLHT has MSL 1 (Unlimited), while FS32K144UFT0VLHR has MSL 3 (168 Hours). Lower MSL values require less stringent moisture control during storage and handling.

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