FS32K144HAT0MLLT Equivalent & Substitute Parts

Part Overview

The FS32K144HAT0MLLT is an ARM Cortex-M4F S32K microcontroller IC manufactured by NXP USA Inc. This 32-bit single-core embedded processor operates at 80MHz with 512KB FLASH program memory and is housed in a 100-LQFP surface mount package. The device is currently in active product status with 16,314 units available in stock. Alternative part numbers exist within the same product family to accommodate different procurement channels and inventory availability while maintaining identical electrical and mechanical specifications.

Substiute Parts

FS32K144HAT0MLLT

NXP USA Inc.In Stock: 16335FS32K144HAT0MLLT Datasheet

Current PartRFQ

FS32K144HFT0MLLT

NXP USA Inc.In Stock: 27279FS32K144HFT0MLLT Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the FS32K144HAT0MLLT is determined by strict equivalence across all electrical and mechanical parameters. The substitute part FS32K144HFT0MLLT shares identical specifications in the following critical areas:

• Core processor architecture and performance (ARM Cortex-M4F, 80MHz)
• Memory configuration (512KB FLASH, 4KB EEPROM, 64KB RAM)
• Voltage supply range (2.7V ~ 5.5V)
• I/O count and connectivity interfaces (89 I/O; CANbus, FlexIO, I2C, LINbus, SPI, UART/USART)
• Peripheral set (POR, PWM, WDT)
• Data converter specifications (A/D 16x12b SAR; D/A 1x8b)
• Operating temperature range (-40°C ~ 125°C)
• Package form factor (100-LQFP, 14x14mm)
• Compliance certifications (ROHS3, REACH Unaffected)

The difference between these part numbers reflects manufacturer packaging or distribution variants only, with no functional or performance differentiation.

Parameter Comparison

Engineering Selection Recommendations

Both the FS32K144HAT0MLLT and FS32K144HFT0MLLT are active products from NXP USA Inc. with full compliance to ROHS3 and REACH regulations. Selection between these parts should be based on procurement availability and supply chain requirements rather than technical performance, as they are electrically and mechanically identical. The FS32K144HFT0MLLT currently maintains higher inventory availability (27,242 units) compared to the FS32K144HAT0MLLT (16,314 units), which may influence lead time considerations for high-volume applications.

Frequently Asked Questions (FAQ)

Q: Are FS32K144HAT0MLLT and FS32K144HFT0MLLT pin-compatible?

A: Yes. Both parts use the identical 100-LQFP (14x14mm) package with 89 I/O pins in the same configuration. PCB layout and schematic designs require no modification when substituting between these part numbers.

Q: Will firmware developed for FS32K144HAT0MLLT run on FS32K144HFT0MLLT?

A: Yes. Both microcontrollers feature the same ARM Cortex-M4F core architecture, identical memory configuration (512KB FLASH, 64KB RAM, 4KB EEPROM), and matching peripheral sets. Firmware is fully compatible without recompilation or modification.

Q: What is the difference between these two part numbers?

A: The difference between FS32K144HAT0MLLT and FS32K144HFT0MLLT reflects manufacturer packaging or distribution channel variants. No functional, electrical, or performance differences exist between these parts.

Q: Are both parts suitable for industrial temperature applications?

A: Yes. Both parts operate across the -40°C ~ 125°C temperature range and maintain ROHS3 compliance with MSL 3 (168 Hours) moisture sensitivity rating, meeting industrial application requirements.

Q: Can I use either part in designs requiring CANbus or LINbus connectivity?

A: Yes. Both FS32K144HAT0MLLT and FS32K144HFT0MLLT include CANbus and LINbus connectivity interfaces along with FlexIO, I2C, SPI, and UART/USART, providing identical communication capability.