ATSAM4CMP8CB-AUR Equivalent & Substitute Parts

Part Overview

The ATSAM4CMP8CB-AUR is a 32-bit dual-core ARM Cortex-M4/M4F microcontroller from Microchip Technology's SAM4CM series, featuring 512KB FLASH memory, 128KB RAM, and operation at 120MHz. This device is classified as obsolete, necessitating identification of active equivalent parts for new designs and ongoing production requirements. The substitute part maintains identical core functionality, electrical specifications, and mechanical compatibility while offering active product status and improved supply availability.

Substiute Parts

ATSAM4CMP8CB-AUR

Microchip TechnologyIn Stock: 863ATSAM4CMP8CB-AUR Datasheet

Current PartRFQ

ATSAM4CMP8CC-AUR

Microchip TechnologyIn Stock: 1020ATSAM4CMP8CC-AUR Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ATSAM4CMP8CB-AUR is based on strict equivalence across the following critical parameters:

• Identical processor architecture (ARM Cortex-M4/M4F dual-core)
• Matching clock speed (120MHz)
• Equivalent memory configuration (512KB FLASH, 128KB RAM)
• Same I/O count (52 pins)
• Identical peripheral set and connectivity options
• Matching package specification (100-LQFP, 14x14mm)
• Equivalent voltage supply range (1.62V ~ 3.6V)
• Identical operating temperature range (-40°C ~ 85°C)
• Matching compliance certifications (ROHS3, REACH Unaffected)

The ATSAM4CMP8CC-AUR qualifies as a direct substitute, differing only in packaging format (Tape & Reel versus Digi-Reel) and product status (Active versus Obsolete). All functional and electrical parameters remain identical.

Parameter Comparison

Engineering Selection Recommendations

The ATSAM4CMP8CC-AUR is the direct functional equivalent of the ATSAM4CMP8CB-AUR. Selection of the substitute part is justified on the following grounds:

• Active product status ensures long-term availability and manufacturing support
• Identical electrical and mechanical specifications guarantee drop-in compatibility
• ROHS3 compliance and REACH unaffected status maintained across both parts
• Tape & Reel packaging format provides standard supply chain compatibility
• No design modifications or firmware changes required for substitution

For applications currently using the obsolete ATSAM4CMP8CB-AUR, transition to the ATSAM4CMP8CC-AUR requires only packaging and procurement adjustments. No circuit redesign or software revalidation is necessary.

Frequently Asked Questions (FAQ)

Q: Can the ATSAM4CMP8CC-AUR be used as a direct replacement for the ATSAM4CMP8CB-AUR?

A: Yes. Both parts are functionally identical across all electrical, memory, peripheral, and I/O specifications. The only differences are product status (Active versus Obsolete) and packaging format (Tape & Reel versus Digi-Reel). No circuit modifications are required.

Q: What is the difference between Digi-Reel and Tape & Reel packaging?

A: Both are surface mount packaging formats for the 100-LQFP package. Digi-Reel is a proprietary format, while Tape & Reel is the standard industry format. The physical component remains identical; only the supply reel format differs.

Q: Are there any compatibility concerns with the 100-LQFP package?

A: No. Both parts use the identical 100-LQFP (14x14mm) package specification. PCB footprints, soldering requirements, and thermal characteristics are equivalent.

Q: Does the ATSAM4CMP8CC-AUR support the same voltage range?

A: Yes. Both parts operate across the identical supply voltage range of 1.62V to 3.6V and maintain the same operating temperature range of -40°C to 85°C.

Q: Are compliance certifications identical?

A: Yes. Both parts carry ROHS3 compliance and REACH unaffected status. Moisture sensitivity level (MSL 3, 168 hours) is identical.