FXLS8974CFR3 Equivalent & Substitute Parts

Part Overview

The FXLS8974CFR3 is a 3-axis digital accelerometer manufactured by NXP USA Inc., designed for motion sensing applications requiring multi-axis acceleration measurement. This surface-mount component operates across a wide supply voltage range and provides configurable acceleration ranges with integrated temperature sensing capabilities. The part is currently in active production status with 2300 units in stock. Substitute parts are identified when equivalent electrical specifications, mechanical packaging, and functional capabilities align with the original component, enabling direct replacement in circuit designs without modification to PCB layouts or firmware interfaces.

Substiute Parts

FXLS8974CFR3

NXP USA Inc.In Stock: 2375FXLS8974CFR3 Datasheet

Current PartRFQ

FXLS8964AFR3

NXP USA Inc.In Stock: 3495FXLS8964AFR3 Datasheet

Parametric EquivalentRFQ

FXLS8967AFR3

NXP USA Inc.In Stock: 11944FXLS8967AFR3 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the FXLS8974CFR3 are qualified based on strict electrical and mechanical parameter alignment. The following criteria determine substitution eligibility:

Critical Matching Parameters:

• Acceleration measurement range: ±2g, 4g, 8g, 16g (selectable)
• Sensitivity specification: 1024 LSB/g at ±2g through 128 LSB/g at ±16g
• Bandwidth: 1.6kHz
• Communication protocols: I2C and SPI dual-interface support
• Supply voltage range: 1.71V ~ 3.6V
• Operating temperature range: -40°C ~ 105°C
• Package format: 10-DFN (2x2) surface-mount configuration
• Axis configuration: X, Y, Z three-axis measurement
• Integrated features: Adjustable bandwidth, sleep mode, temperature sensor

All identified substitute parts maintain identical electrical performance specifications and mechanical compatibility, ensuring functional equivalence in circuit applications. Differences in qualification grades, moisture sensitivity levels, and inventory availability are noted but do not affect electrical substitution eligibility.

Parameter Comparison

Engineering Selection Recommendations

All three parts—FXLS8974CFR3, FXLS8964AFR3, and FXLS8967AFR3—are active production components from NXP USA Inc. with identical electrical and mechanical specifications. Selection between these parts is based on application-specific requirements and compliance certifications:

FXLS8974CFR3 is suitable for general industrial and consumer applications requiring standard environmental conditions. This part carries MSL 1 (Unlimited) moisture sensitivity rating, indicating minimal moisture-related handling restrictions.

FXLS8964AFR3 is qualified for automotive applications under AEC-Q100 certification, making it the appropriate choice for automotive-grade designs and systems requiring automotive-level reliability assurance. This part carries MSL 3 (168 Hours) moisture sensitivity rating, requiring controlled storage and handling procedures.

FXLS8967AFR3 is suitable for general industrial and consumer applications with MSL 1 (Unlimited) moisture sensitivity rating, matching the environmental handling profile of the FXLS8974CFR3.

All three parts maintain ROHS3 compliance and REACH unaffected status, satisfying environmental regulatory requirements. Inventory availability varies across the three options, with FXLS8967AFR3 offering the highest stock level at 11,900 units.

Frequently Asked Questions (FAQ)

Q: Can FXLS8964AFR3 replace FXLS8974CFR3 in non-automotive applications?

A: Yes. The FXLS8964AFR3 maintains identical electrical specifications and mechanical packaging. The automotive qualification (AEC-Q100) represents an additional certification level that does not restrict use in non-automotive designs. However, the MSL 3 moisture sensitivity rating requires adherence to controlled storage and handling procedures during manufacturing.

Q: What is the difference between MSL 1 and MSL 3 ratings?

A: MSL 1 (Unlimited) allows indefinite storage without moisture control measures. MSL 3 (168 Hours) requires that components be stored in controlled humidity environments and used within 168 hours of package opening. This affects manufacturing logistics and component shelf-life management but does not impact electrical performance or functional capability.

Q: Are all three parts pin-compatible?

A: Yes. All three parts use the 10-DFN (2x2) package format with identical pinout and mechanical dimensions, enabling direct PCB-level substitution without layout modifications.

Q: Do firmware or software changes occur when substituting between these parts?

A: No. All three parts implement identical I2C and SPI communication protocols, register maps, and functional features. Existing firmware and software interfaces operate without modification.

Q: Which part should be selected for new designs?

A: For automotive applications, FXLS8964AFR3 is specified. For non-automotive applications, either FXLS8974CFR3 or FXLS8967AFR3 is appropriate. Selection between the latter two is based on inventory availability and supply chain considerations, as electrical and mechanical specifications are identical.

Q: Are there temperature range differences between the three parts?

A: No. All three parts operate across the identical temperature range of -40°C to 105°C, supporting equivalent thermal performance in target applications.

Q: Can these parts be mixed within a single production batch?

A: Yes, provided the application does not require automotive qualification. If automotive certification is required, only FXLS8964AFR3 should be used. For non-automotive applications, FXLS8974CFR3 and FXLS8967AFR3 are interchangeable at the component level.