C164CILM3VCABXUMA1 Equivalent & Substitute Parts

Part Overview

The C164CILM3VCABXUMA1 is a 16-bit C166 microcontroller from Infineon Technologies, featuring ROMless architecture with 20MHz operation and 4K x 8 RAM. This device is classified as obsolete, making substitute components necessary for new designs and ongoing production support. The part operates within a 3V to 3.6V supply range and includes integrated peripherals such as CANbus, UART/USART, SPI, and PWM functionality, with 59 I/O pins in an 80-QFP surface mount package.

Substiute Parts

C164CILM3VCABXUMA1

Infineon TechnologiesIn Stock: 1081C164CILM3VCABXUMA1 Datasheet

Current PartRFQ

XMC4400F100K512BAXQMA1

Infineon TechnologiesIn Stock: 1044XMC4400F100K512BAXQMA1 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The XMC4400F100K512BAXQMA1 is identified as a manufacturer-recommended substitute based on the following substitution criteria:

Allowed Substitution Parameters:

• Manufacturer continuity (Infineon Technologies)
• Functional equivalence in embedded microcontroller category
• Compatibility in core connectivity protocols (CANbus, SPI, UART)
• Surface mount technology compatibility
• Compliance and certification alignment (REACH Unaffected, MSL 3)

The XMC4000 series represents an architectural evolution from the obsolete C166 platform, providing active product status with enhanced capabilities while maintaining protocol-level compatibility for CANbus and serial communication interfaces.

Parameter Comparison

Engineering Selection Recommendations

The XMC4400F100K512BAXQMA1 is the manufacturer-recommended substitute for the obsolete C164CILM3VCABXUMA1. Selection of this substitute is supported by:

• Product Status Alignment: The substitute maintains active product status, ensuring long-term availability and manufacturing support compared to the obsolete main part.
• Compliance Continuity: Both parts maintain REACH Unaffected status and identical MSL 3 classification, preserving supply chain compliance requirements.
• Manufacturer Continuity: Both components are manufactured by Infineon Technologies, ensuring consistent quality and support standards.
• Protocol Compatibility: Core connectivity protocols including CANbus, SPI, and UART are present in both devices, supporting legacy communication requirements.
• Supply Voltage Compatibility: Operating voltage ranges overlap (3V ~ 3.6V vs. 3.13V ~ 3.63V), enabling direct power supply integration.

Frequently Asked Questions (FAQ)

Q: What makes the XMC4400F100K512BAXQMA1 a valid substitute for the C164CILM3VCABXUMA1?

A: The XMC4400F100K512BAXQMA1 is manufacturer-recommended based on functional equivalence in the embedded microcontroller category, shared connectivity protocols (CANbus, SPI, UART), compatible supply voltage ranges, and identical compliance certifications (REACH Unaffected, MSL 3).

Q: Are there package compatibility considerations?

A: The main part uses an 80-QFP package, while the substitute uses a 100-LQFP Exposed Pad package. PCB layout redesign is required to accommodate the different pin count (59 vs. 55 I/O) and package footprint.

Q: What are the key performance differences?

A: The substitute offers 32-bit architecture versus 16-bit, 120MHz operation versus 20MHz, 80K x 8 RAM versus 4K x 8, and enhanced data conversion capabilities (24x12b A/D and 2x12b D/A versus 8x10b A/D). Operating temperature range is expanded to -40°C ~ 125°C.

Q: Is firmware modification required?

A: Firmware compatibility depends on application-specific code. The substitute's enhanced instruction set and expanded peripherals may require code adaptation, particularly for applications utilizing the extended temperature range or advanced analog conversion features.

Q: How do the I/O pin counts compare?

A: The main part provides 59 I/O pins, while the substitute provides 55 I/O pins. Design review is necessary to confirm that application requirements are met within the reduced I/O availability.

Q: Are the supply voltage ranges compatible?

A: Yes. The main part operates at 3V ~ 3.6V, and the substitute operates at 3.13V ~ 3.63V. The overlapping range (3.13V ~ 3.6V) supports direct power supply integration without modification.