ATSAMA5D41A-CU Equivalent & Substitute Parts

Part Overview

The ATSAMA5D41A-CU is an ARM Cortex-A5 microprocessor from Microchip Technology's SAMA5D4 series, featuring a single 32-bit core operating at 600MHz with integrated multimedia and NEON SIMD co-processors. This device is designed for embedded applications requiring LCD/touchscreen display control, Ethernet connectivity, and cryptographic security functions. The ATSAMA5D41A-CU is currently classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity and ensure component availability for production and maintenance applications.

Substiute Parts

ATSAMA5D41A-CU

Microchip TechnologyIn Stock: 992ATSAMA5D41A-CU Datasheet

Current PartRFQ

ATSAMA5D41B-CU

Microchip TechnologyIn Stock: 3328ATSAMA5D41B-CU Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ATSAMA5D41A-CU is determined by strict equivalence across the following critical parameters:

• Processor Architecture: ARM Cortex-A5 core with identical instruction set compatibility
• Clock Speed: 600MHz operation
• Package Format: 289-LFBGA (14x14) ball grid array for PCB footprint compatibility
• Core Count and Bus Width: Single 32-bit core configuration
• Peripheral Feature Set: Identical support for LCD/touchscreen controllers, Ethernet (10/100Mbps), USB 2.0 (3 ports), and cryptographic accelerators (AES, SHA, TDES, TRNG)
• Memory Controller Support: LPDDR, LPDDR2, and DDR2 compatibility
• I/O Voltage Levels: 1.2V, 1.8V, and 3.3V support
• Interface Standards: EBI, I2C, MMC/SD/SDIO, SPI, SSC, UART, and USART

The ATSAMA5D41B-CU meets all substitution criteria and maintains full electrical and mechanical compatibility with the ATSAMA5D41A-CU.

Parameter Comparison

Engineering Selection Recommendations

The ATSAMA5D41B-CU is a direct substitute for the ATSAMA5D41A-CU based on complete electrical and mechanical equivalence. All functional parameters, peripheral interfaces, security features, and package specifications are identical between the two devices. The primary distinction is product lifecycle status: the ATSAMA5D41A-CU is obsolete while the ATSAMA5D41B-CU maintains active production status with Microchip Technology.

Both devices maintain identical RoHS3 compliance, REACH unaffected status, and export control classifications (ECCN 5A992C). Moisture sensitivity levels and handling requirements are equivalent. The ATSAMA5D41B-CU is available in higher inventory quantities, supporting sustained production and maintenance requirements.

Frequently Asked Questions (FAQ)

Q: Are the ATSAMA5D41A-CU and ATSAMA5D41B-CU pin-compatible?

A: Yes. Both devices use the 289-LFBGA (14x14) package format with identical ball grid array layouts. PCB footprints and land patterns are directly interchangeable.

Q: Can the ATSAMA5D41B-CU replace the ATSAMA5D41A-CU in existing designs without modification?

A: Yes. The devices are functionally equivalent across all electrical specifications, peripheral interfaces, and operating parameters. No design changes are required.

Q: What is the difference between the ATSAMA5D41A-CU and ATSAMA5D41B-CU?

A: The devices are electrically and mechanically identical. The primary difference is product status: ATSAMA5D41A-CU is obsolete, while ATSAMA5D41B-CU is in active production.

Q: Are there any compliance or certification differences?

A: No. Both devices maintain identical RoHS3 compliance, REACH unaffected status, and export control classifications.

Q: What is the moisture sensitivity level for both devices?

A: Both devices have MSL 3 rating with a 168-hour floor life requirement.

Q: Can I use the ATSAMA5D41B-CU in applications originally designed for the ATSAMA5D41A-CU?

A: Yes. Complete parameter equivalence ensures direct compatibility in all applications.