C167CSL40MCABXQLA2 Equivalent & Substitute Parts

Part Overview

The C167CSL40MCABXQLA2 is a 16-bit ROMless microcontroller from Infineon Technologies' C16xx series, operating at 40MHz with external oscillator support. This device is classified as obsolete, necessitating identification of functionally equivalent alternatives for new designs and production continuity. The part features CANbus, EBI/EMI, SPI, and UART/USART connectivity with 111 I/O pins in a 144-pin MQFP package.

Substiute Parts

C167CSL40MCABXQLA2

Infineon TechnologiesIn Stock: 824C167CSL40MCABXQLA2 Datasheet

Current PartRFQ

XMC4700F144F1536AAXQMA1

Infineon TechnologiesIn Stock: 1085XMC4700F144F1536AAXQMA1 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The XMC4700F144F1536AAXQMA1 is identified as a manufacturer-recommended substitute for the C167CSL40MCABXQLA2. Substitution eligibility is determined by the following parameters:

• Package compatibility: Both devices use 144-pin surface mount packages (144-BQFP vs. 144-LQFP Exposed Pad), enabling direct PCB footprint compatibility
• I/O pin count: Substitute provides 119 I/O pins, exceeding the original 111 pins, ensuring all signal routing requirements can be met
• Connectivity support: Both devices include CANbus, EBI/EMI, SPI, and UART/USART interfaces, maintaining protocol compatibility
• Peripheral feature set: Both include POR and WDT; substitute adds DMA, I2S, LED, and Touch-Sense capabilities
• Voltage supply range: Substitute operates at 3.13V ~ 3.63V, requiring voltage regulation adjustment from the original 4.5V ~ 5.5V specification
• Data conversion capability: Substitute provides enhanced A/D (32x12b) and adds D/A (2x12b) conversion, exceeding original specifications
• Manufacturer: Both devices are from Infineon Technologies, ensuring consistent design support and documentation standards

Parameter Comparison

Engineering Selection Recommendations

The XMC4700F144F1536AAXQMA1 is the manufacturer-recommended substitute for the obsolete C167CSL40MCABXQLA2. Selection of this alternative is supported by the following factors:

• Active product status ensures long-term availability, design support, and supply chain continuity
• ROHS3 compliance of the substitute meets current environmental and regulatory requirements
• Identical REACH and ECCN classifications maintain export and regulatory compliance consistency
• 144-pin package compatibility enables direct PCB layout reuse with minimal design modification
• Enhanced processing capability (32-bit ARM Cortex-M4 at 144MHz vs. 16-bit C166 at 40MHz) provides performance headroom for legacy application migration
• Expanded memory resources (276K RAM and 1.5MB FLASH vs. 11K RAM and ROMless architecture) accommodate firmware porting and feature expansion
• Voltage supply adjustment from 4.5V ~ 5.5V to 3.13V ~ 3.63V requires power supply redesign and may necessitate level-shifting for legacy I/O interfaces

Frequently Asked Questions (FAQ)

Q: Can the XMC4700F144F1536AAXQMA1 be used as a direct drop-in replacement for the C167CSL40MCABXQLA2?

A: The XMC4700F144F1536AAXQMA1 shares the same 144-pin package footprint and pin count compatibility, enabling PCB-level compatibility. However, firmware recompilation is required due to architectural differences between the C166 16-bit processor and the ARM Cortex-M4 32-bit processor. Power supply voltage adjustment from 4.5V ~ 5.5V to 3.13V ~ 3.63V is mandatory.

Q: What are the key differences in connectivity between these devices?

A: The C167CSL40MCABXQLA2 supports CANbus, EBI/EMI, SPI, and UART/USART. The XMC4700F144F1536AAXQMA1 includes all of these interfaces plus Ethernet, I2C, LINbus, MMC/SD, USB OTG, and USIC, providing expanded communication protocol support.

Q: Are there memory considerations when migrating from the C167CSL40MCABXQLA2 to the XMC4700F144F1536AAXQMA1?

A: The original device is ROMless with 11K x 8 RAM. The substitute provides 1.5MB FLASH program memory and 276K x 8 RAM, eliminating external program memory requirements and providing significantly greater storage capacity for application code and data.

Q: What is the impact of the voltage supply range difference?

A: The C167CSL40MCABXQLA2 operates at 4.5V ~ 5.5V, while the XMC4700F144F1536AAXQMA1 requires 3.13V ~ 3.63V. This necessitates power supply redesign and may require level-shifting circuitry for interfaces with legacy 5V I/O devices.

Q: Are both devices subject to the same regulatory classifications?

A: Yes. Both devices share identical REACH Status (REACH Unaffected), ECCN (3A991A2), and HTSUS (8542.31.0001) classifications, maintaining regulatory compliance consistency across the substitution.

Q: What is the operating temperature range difference?

A: The C167CSL40MCABXQLA2 operates from 0°C ~ 70°C (TA), while the XMC4700F144F1536AAXQMA1 operates from -40°C ~ 85°C (TA), providing extended temperature range capability for demanding environmental applications.