FS32K142HRT0MLLT Equivalent & Substitute Parts

Part Overview

The FS32K142HRT0MLLT is an ARM Cortex-M4F S32K microcontroller IC manufactured by NXP USA Inc., designed for embedded applications requiring 32-bit processing at 80MHz with 256KB FLASH memory. This device is currently in active production status with 26,300 units available in inventory. Alternative part numbers may be required due to supply constraints, regional availability, or specific procurement requirements while maintaining identical electrical and mechanical specifications.

Key Parameters

Parameter	Value
Manufacturer Part Number	FS32K142HRT0MLLT
Manufacturer	NXP USA Inc.
Series	S32K
Core Processor	ARM Cortex-M4F
Core Size	32-Bit Single-Core
Speed	80MHz
Program Memory Size	256KB (256K x 8)
Program Memory Type	FLASH
EEPROM Size	4K x 8
RAM Size	32K x 8
Voltage Supply (Vcc/Vdd)	2.7V ~ 5.5V
Data Converters	A/D 16x12b SAR; D/A 1x8b
Number of I/O	89
Connectivity	CANbus, FlexIO, I2C, LINbus, SPI, UART/USART
Peripherals	POR, PWM, WDT
Operating Temperature	-40°C ~ 125°C (TA)
Package / Case	100-LQFP (14x14)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Product Status	Active

Substitute Part Grouping Explanation

Substitution of the FS32K142HRT0MLLT is limited to part numbers within the S32K series that maintain identical electrical and mechanical specifications. The critical parameters determining substitutability are:

ARM Cortex-M4F core processor architecture
32-bit single-core configuration
80MHz operating frequency
256KB FLASH program memory capacity
32KB RAM and 4KB EEPROM configuration
89 I/O pins
100-LQFP (14x14) surface mount package
2.7V to 5.5V supply voltage range
Identical connectivity interfaces (CANbus, FlexIO, I2C, LINbus, SPI, UART/USART)
Identical peripheral set (POR, PWM, WDT)
Operating temperature range of -40°C to 125°C

The FS32K142HAT0MLLT qualifies as a parametric equivalent based on matching all electrical specifications, memory configuration, I/O count, and package format. Differences in manufacturer designation (NXP Semiconductors vs. NXP USA Inc.) do not affect functional compatibility.

Parameter Comparison

Parameter	FS32K142HRT0MLLT	FS32K142HAT0MLLT	Match
Core Processor	ARM Cortex-M4F	ARM Cortex-M4F	✓
Core Size	32-Bit Single-Core	32-Bit Single-Core	✓
Speed	80MHz	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	✓
Voltage Supply (Vcc/Vdd)	2.7V ~ 5.5V	2.7V ~ 5.5V	✓
Data Converters	A/D 16x12b SAR; D/A 1x8b	A/D 16x12b SAR; D/A 1x8b	✓
Number of I/O	89	89	✓
Connectivity	CANbus, FlexIO, I2C, LINbus, SPI, UART/USART	CANbus, FlexIO, I2C, LINbus, SPI, UART/USART	✓
Peripherals	POR, PWM, WDT	POR, PWM, WDT	✓
Operating Temperature	-40°C ~ 125°C (TA)	-40°C ~ 125°C (TA)	✓
Package / Case	100-LQFP (14x14)	100-LQFP (14x14)	✓
Mounting Type	Surface Mount	Surface Mount	✓
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	✓
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)	✓
Product Status	Active	Active	✓

Engineering Selection Recommendations

Both the FS32K142HRT0MLLT and FS32K142HAT0MLLT are active production devices with full ROHS3 compliance and identical REACH status. Selection between these parts should be based on:

Inventory availability and lead time requirements
Regional supplier preference and procurement channels
Cost considerations where applicable
Existing supply chain relationships

The FS32K142HRT0MLLT maintains higher current inventory (26,300 units) compared to the FS32K142HAT0MLLT (8,170 units), making it the primary choice for applications with standard delivery timelines. The FS32K142HAT0MLLT serves as a direct functional equivalent for alternative sourcing when primary inventory is constrained.

Both devices carry identical moisture sensitivity classification (MSL 3, 168 hours) and require equivalent handling and storage protocols. No additional qualification or testing is required when transitioning between these part numbers within the same application design.

Frequently Asked Questions (FAQ)

Q: Can FS32K142HAT0MLLT be used as a direct replacement for FS32K142HRT0MLLT in existing designs?

A: Yes. Both parts are parametric equivalents with identical electrical specifications, memory configuration, I/O count, package format, and operating characteristics. No design modifications are required for substitution.

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

A: No. Both devices use the 100-LQFP (14x14) package with 89 I/O pins in identical configuration. PCB layouts and footprints are directly compatible.

Q: Do both parts support the same connectivity interfaces?

A: Yes. Both the FS32K142HRT0MLLT and FS32K142HAT0MLLT include identical connectivity options: CANbus, FlexIO, I2C, LINbus, SPI, and UART/USART interfaces.

Q: What is the difference between the part numbers FS32K142HRT0MLLT and FS32K142HAT0MLLT?

A: The difference lies in the manufacturer designation within the part number string. Both are NXP S32K series devices with identical functional specifications. The variation reflects different manufacturing or distribution channels.

Q: Are moisture sensitivity requirements the same for both parts?

A: Yes. Both devices are classified as MSL 3 with a 168-hour floor life requirement. Identical handling, storage, and reflow procedures apply to both part numbers.

Q: Can these parts be mixed in the same production batch?

A: Yes. Since both parts are parametric equivalents with identical specifications and package formats, they can be used interchangeably within the same assembly without functional impact.

Q: What supply voltage range do these microcontrollers support?

A: Both the FS32K142HRT0MLLT and FS32K142HAT0MLLT operate across a 2.7V to 5.5V supply voltage range, providing flexibility for various power supply configurations.

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