FS32K144HAT0MLHT Equivalent & Substitute Parts

Part Overview

The FS32K144HAT0MLHT is an ARM Cortex-M4F S32K microcontroller manufactured by NXP Semiconductors, designed for embedded applications requiring 32-bit processing at 80MHz with integrated connectivity and control peripherals. This device is currently in active production status with 35,362 units available in stock. Identifying equivalent and substitute parts is essential for supply chain continuity, design flexibility, and procurement optimization when the primary part number becomes unavailable or when alternative sourcing is required.

Substiute Parts

FS32K144HAT0MLHT

NXP SemiconductorsIn Stock: 35389FS32K144HAT0MLHT Datasheet

Current PartRFQ

FS32K144HFT0MLHT

NXP USA Inc.In Stock: 15825FS32K144HFT0MLHT Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the FS32K144HAT0MLHT are identified based on strict electrical and mechanical parameter equivalence within the S32K microcontroller series. The substitution criteria are:

• Identical core processor architecture (ARM Cortex-M4F)
• Matching clock speed (80MHz)
• Equivalent program memory capacity (512KB FLASH)
• Identical RAM and EEPROM configuration (64K x 8 RAM, 4K x 8 EEPROM)
• Same supply voltage range (2.7V ~ 5.5V)
• Identical package type and pin count (64-LQFP 10x10)
• Matching connectivity interfaces (CANbus, FlexIO, I2C, LINbus, SPI, UART/USART)
• Equivalent peripheral set (POR, PWM, WDT)
• Identical data converter specifications (A/D 16x12b SAR; D/A 1x8b)
• Same operating temperature range (-40°C ~ 125°C)
• Matching compliance certifications (ROHS3, REACH Unaffected)

Parameter Comparison

Engineering Selection Recommendations

Both the FS32K144HAT0MLHT and FS32K144HFT0MLHT are active production devices from NXP with identical electrical and mechanical specifications. Selection between these parts should be based on:

• Availability and lead time from respective suppliers
• Procurement cost and volume pricing
• Supply chain logistics and regional distribution
• Compliance documentation requirements for specific applications
• Existing inventory and design validation history

Both parts maintain ROHS3 compliance and REACH unaffected status, making them suitable for applications with environmental and regulatory requirements. The identical package, pin configuration, and electrical characteristics ensure direct substitution without PCB redesign or firmware modification.

Frequently Asked Questions (FAQ)

Q: Can FS32K144HFT0MLHT be used as a direct replacement for FS32K144HAT0MLHT?

A: Yes. Both parts share identical core processor architecture, clock speed, memory configuration, package type, and electrical specifications. No design changes are required for direct substitution.

Q: Are there differences in the part numbers that affect compatibility?

A: The part numbers differ only in the manufacturer entity designation (HAT vs. HFT suffix). The functional specifications and pin assignments remain identical. Both are manufactured by NXP and comply with the same standards.

Q: What is the significance of the 64-LQFP (10x10) package specification?

A: This specifies a 64-pin Low-Profile Quad Flat Package with 10mm x 10mm dimensions. Both substitute parts use this identical package, ensuring PCB footprint compatibility and no layout modifications.

Q: Do both parts support the same connectivity interfaces?

A: Yes. Both FS32K144HAT0MLHT and FS32K144HFT0MLHT provide identical connectivity: CANbus, FlexIO, I2C, LINbus, SPI, and UART/USART interfaces with 58 I/O pins.

Q: Are there any temperature or voltage rating differences?

A: No. Both parts operate across the identical temperature range (-40°C to 125°C) and supply voltage range (2.7V to 5.5V), with matching data converter and peripheral specifications.

Q: What is the Moisture Sensitivity Level (MSL) rating?

A: Both parts carry MSL 3 rating with a 168-hour floor life. This indicates standard moisture handling requirements for surface mount assembly processes.