C167CSLMCABXUMA2 Equivalent & Substitute Parts

Part Overview

The C167CSLMCABXUMA2 is a 16-bit ROMless microcontroller from Infineon Technologies' C16xx series, operating at 25MHz with external oscillator support. This device is classified as obsolete, making equivalent or substitute parts necessary for new designs, system upgrades, or component replenishment where the original part is no longer readily available through standard procurement channels.

Substiute Parts

C167CSLMCABXUMA2

Infineon TechnologiesIn Stock: 1139C167CSLMCABXUMA2 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 C167CSLMCABXUMA2. Substitution eligibility is determined by the following parameters:

Allowed Substitution Parameters:

• Package compatibility: Both devices use 144-pin surface mount packages (144-BQFP vs. 144-LQFP Exposed Pad)
• Connectivity overlap: Both support CANbus, EBI/EMI, SPI, and UART/USART
• Manufacturer: Both are Infineon Technologies products
• Mounting type: Both are surface mount
• I/O count: Substitute provides 119 I/O (exceeds original 111 I/O requirement)

Parameters that differ but do not prevent substitution:

• Core architecture: 16-bit (original) vs. 32-bit (substitute)
• Operating speed: 25MHz (original) vs. 144MHz (substitute)
• Memory configuration: ROMless (original) vs. 1.5MB FLASH (substitute)
• Supply voltage: 4.5V ~ 5.5V (original) vs. 3.13V ~ 3.63V (substitute)
• Operating temperature range: 0°C ~ 70°C (original) vs. -40°C ~ 85°C (substitute)

Parameter Comparison

Engineering Selection Recommendations

The XMC4700F144F1536AAXQMA1 is the manufacturer-recommended substitute for the obsolete C167CSLMCABXUMA2. Selection is based on:

• Product Status Alignment: The substitute is Active status, ensuring long-term availability and supply chain continuity.
• Regulatory Compliance: Both devices maintain REACH Unaffected status and equivalent MSL ratings (3, 168 Hours).
• Package Compatibility: Both devices use 144-pin surface mount packages suitable for existing PCB layouts with minor footprint adjustments.
• Connectivity Preservation: The substitute retains all connectivity interfaces present in the original (CANbus, EBI/EMI, SPI, UART/USART) while adding extended functionality.

The substitute provides enhanced capabilities including 32-bit processing, higher clock speed, integrated FLASH memory, and expanded peripheral support. These enhancements are backward-compatible with applications designed for the original 16-bit architecture when properly configured.

Frequently Asked Questions (FAQ)

Q: Can the XMC4700F144F1536AAXQMA1 directly replace the C167CSLMCABXUMA2 on existing PCBs?

A: Both devices use 144-pin surface mount packages. The XMC4700F144F1536AAXQMA1 uses 144-LQFP Exposed Pad while the original uses 144-BQFP. Pin-to-pin compatibility requires verification against detailed pinout documentation. PCB layout modifications may be necessary due to package differences.

Q: What are the key differences in electrical characteristics?

A: The substitute operates at 3.13V ~ 3.63V supply voltage compared to the original's 4.5V ~ 5.5V. The substitute supports -40°C ~ 85°C operating temperature versus the original's 0°C ~ 70°C. These differences must be evaluated against application requirements.

Q: Does the substitute retain all connectivity interfaces?

A: Yes. The substitute includes CANbus, EBI/EMI, SPI, and UART/USART connectivity present in the original. Additional interfaces (Ethernet, I2C, LINbus, MMC/SD, USB OTG, USIC) are provided as extended functionality.

Q: Is the substitute suitable for applications requiring ROMless operation?

A: The substitute includes 1.5MB integrated FLASH memory. Applications designed for ROMless external memory operation require firmware architecture modifications to utilize the integrated FLASH.

Q: What is the I/O pin count difference?

A: The original provides 111 I/O pins. The substitute provides 119 I/O pins, offering additional I/O capacity for expanded application requirements.