FS32K144UAT0VLHT Equivalent & Substitute Parts

Part Overview

The FS32K144UAT0VLHT 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 conversion capabilities. Currently in active product status, this microcontroller is widely deployed in automotive and industrial control applications. Identifying equivalent substitute parts ensures design flexibility, supply chain continuity, and procurement optimization when the primary part number becomes unavailable or when alternative packaging configurations are required.

Substiute Parts

FS32K144UAT0VLHT

NXP USA Inc.In Stock: 16882FS32K144UAT0VLHT Datasheet

Current PartRFQ

FS32K144UIT0VLHT

NXP USA Inc.In Stock: 1622FS32K144UIT0VLHT Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the FS32K144UAT0VLHT is determined by strict equivalence across core functional and electrical parameters. The primary substitution criterion is identical processor architecture, memory configuration, and peripheral integration. The FS32K144UIT0VLHT qualifies as a parametric equivalent because it maintains identical specifications across all critical parameters: ARM Cortex-M4F core, 112MHz operation, 512KB FLASH, 64KB RAM, 4KB EEPROM, identical I/O count (58 pins), matching voltage supply range (2.7V ~ 5.5V), equivalent data converter specifications, and identical connectivity interfaces (CANbus, FlexIO, I2C, LINbus, SPI, UART/USART).

The only difference between these parts is the packaging configuration: FS32K144UAT0VLHT is supplied in standard packaging, while FS32K144UIT0VLHT is supplied in Tray packaging. Both parts share the same 64-LQFP (10x10) package footprint, identical thermal and electrical characteristics, and equivalent compliance certifications (ROHS3, REACH Unaffected). This difference is purely logistical and does not affect electrical or mechanical compatibility in circuit design.

Parameter Comparison

Engineering Selection Recommendations

Both FS32K144UAT0VLHT and FS32K144UIT0VLHT are active products from NXP USA Inc. with identical electrical, functional, and mechanical specifications. Selection between these parts should be based on packaging and supply chain requirements rather than technical performance criteria. The FS32K144UIT0VLHT, supplied in Tray packaging, may be preferred for high-volume production environments where bulk handling and automated assembly processes are standard. The FS32K144UAT0VLHT, with standard packaging, may be suitable for lower-volume applications or where specific packaging logistics are required.

Both parts maintain full compliance with ROHS3 and REACH regulations, ensuring environmental and regulatory compatibility across automotive and industrial applications. The identical MSL rating (3, 168 Hours) indicates equivalent moisture handling requirements during storage and assembly processes. No technical trade-offs exist between these alternatives; selection is purely a matter of procurement and logistics optimization.

Frequently Asked Questions (FAQ)

Q: Are FS32K144UAT0VLHT and FS32K144UIT0VLHT pin-compatible?

A: Yes. Both parts use the identical 64-LQFP (10x10) package footprint with 58 I/O pins in the same configuration. PCB layout and schematic designs require no modification when substituting between these parts.

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

A: The only difference is packaging configuration. FS32K144UAT0VLHT uses standard packaging, while FS32K144UIT0VLHT uses Tray packaging. All electrical, functional, and mechanical specifications are identical.

Q: Can I substitute FS32K144UIT0VLHT for FS32K144UAT0VLHT in production?

A: Yes. Both parts are functionally and electrically equivalent. Substitution is valid from an engineering perspective. Verify packaging and supply chain compatibility with your procurement and assembly processes.

Q: Do these parts have the same memory configuration?

A: Yes. Both parts feature 512KB FLASH program memory, 64KB RAM, and 4KB EEPROM with identical access specifications and performance characteristics.

Q: Are the operating temperature ranges identical?

A: Yes. Both parts operate across the identical temperature range of -40°C to 105°C (TA), ensuring equivalent thermal performance in automotive and industrial environments.

Q: What connectivity interfaces are supported?

A: Both parts support CANbus, FlexIO, I2C, LINbus, SPI, and UART/USART interfaces with identical peripheral integration and performance specifications.

Q: Are both parts RoHS and REACH compliant?

A: Yes. Both FS32K144UAT0VLHT and FS32K144UIT0VLHT are ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory requirements.