AT91SAM9M10B-CU Equivalent & Substitute Parts

Part Overview

The AT91SAM9M10B-CU is an ARM926EJ-S based microprocessor from Microchip Technology's SAM9M series, designed for embedded applications requiring 32-bit processing at 400MHz. This device integrates comprehensive peripheral support including LCD/touchscreen controllers, 10/100Mbps Ethernet, USB 2.0, and multiple serial interfaces. The AT91SAM9M10B-CU carries an obsolete product status, making identification of active equivalent parts essential for ongoing design support and procurement continuity.

Substiute Parts

AT91SAM9M10B-CU

Microchip TechnologyIn Stock: 1152AT91SAM9M10B-CU Datasheet

Current PartRFQ

AT91SAM9M10C-CU

Microchip TechnologyIn Stock: 1854AT91SAM9M10C-CU Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AT91SAM9M10B-CU is determined by strict equivalence across the following critical parameters:

• Core Architecture: ARM926EJ-S processor
• Processing Speed: 400MHz operation
• Bus Configuration: 1 Core, 32-Bit
• Memory Controller Support: LPDDR, LPSDR, DDR2, SDR, SRAM compatibility
• Peripheral Integration: LCD, Touchscreen, Video Decoder; 10/100Mbps Ethernet; USB 2.0 (3 ports)
• Serial Interface Suite: AC97, EBI/EMI, I2C, ISI, MMC/SD/SDIO, SPI, SSC, UART/USART
• Electrical Specifications: 1.8V and 3.3V I/O voltage support; -40°C to 85°C operating range
• Package Compatibility: 324-TFBGA (15x15) form factor
• Compliance Standards: ROHS3 compliance; MSL 3 rating

The AT91SAM9M10C-CU meets all substitution criteria as a direct functional equivalent with identical electrical and mechanical specifications.

Parameter Comparison

Engineering Selection Recommendations

The AT91SAM9M10C-CU is the direct substitute for the obsolete AT91SAM9M10B-CU. Both devices are manufactured by Microchip Technology and maintain identical electrical, mechanical, and functional specifications across all critical parameters. The AT91SAM9M10C-CU carries active product status, ensuring ongoing availability and manufacturer support. Both parts maintain ROHS3 compliance and identical MSL 3 ratings, confirming compatibility in moisture-sensitive assembly environments. The 324-TFBGA package footprint is identical, requiring no PCB redesign for substitution. Selection of the AT91SAM9M10C-CU eliminates obsolescence risk while preserving full functional equivalence.

Frequently Asked Questions (FAQ)

Q: Are the AT91SAM9M10B-CU and AT91SAM9M10C-CU pin-compatible?

A: Yes. Both devices use the 324-TFBGA (15x15) package with identical pinout, electrical characteristics, and functional specifications. No PCB modifications are required for substitution.

Q: What is the primary difference between these two parts?

A: The AT91SAM9M10B-CU is obsolete, while the AT91SAM9M10C-CU maintains active product status. All electrical and mechanical specifications are identical.

Q: Can I use the AT91SAM9M10C-CU as a direct replacement in existing designs?

A: Yes. The AT91SAM9M10C-CU is a direct functional equivalent with no design changes required. Existing firmware and hardware configurations remain compatible.

Q: Are there any compliance or certification differences?

A: No. Both parts maintain ROHS3 compliance, identical MSL 3 ratings, and equivalent REACH and ECCN classifications.

Q: What packaging options are available for the substitute part?

A: The AT91SAM9M10C-CU is supplied in Tray packaging, compared to the original part's standard packaging. Both maintain identical component specifications and handling requirements.