ATSAMA5D24B-CUR Equivalent & Substitute Parts

Part Overview

The ATSAMA5D24B-CUR is an ARM Cortex-A5 microprocessor from Microchip Technology's SAMA5D2 series, featuring a single 32-bit core operating at 500MHz in a 256-TFBGA package. This embedded processor integrates multimedia acceleration, multiple memory controllers (LPDDR1/2/3, DDR2/3/3L, QSPI), graphics acceleration, and comprehensive security features including ARM TrustZone, cryptography, and secure boot capabilities.

The ATSAMA5D24B-CUR is currently listed as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements for systems utilizing this microprocessor.

Substiute Parts

ATSAMA5D24B-CUR

Microchip TechnologyIn Stock: 1108ATSAMA5D24B-CUR Datasheet

Current PartRFQ

ATSAMA5D24C-CUR

Microchip TechnologyIn Stock: 3194ATSAMA5D24C-CUR Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The ATSAMA5D24C-CUR qualifies as a direct substitute for the ATSAMA5D24B-CUR based on the following critical parameters:

Electrical Compatibility:

• Identical core processor architecture (ARM Cortex-A5)
• Matching core count and bus width (1 Core, 32-Bit)
• Identical operating frequency (500MHz)
• Identical I/O voltage specification (3.3V)
• Identical operating temperature range (-40°C ~ 85°C)

Functional Equivalence:

• Identical RAM controller support (LPDDR1, LPDDR2, LPDDR3, DDR2, DDR3, DDR3L, QSPI)
• Identical peripheral interfaces (I2C, SMC, SPI, UART, USART, QSPI)
• Identical Ethernet capability (10/100Mbps, 1 port)
• Identical USB configuration (USB 2.0 + HSIC)
• Identical security feature set (ARM TZ, Boot Security, Cryptography, RTIC, Secure Fusebox, Secure JTAG, Secure Memory, Secure RTC)

Physical & Environmental Compatibility:

• Identical package type (256-TFBGA 8x8)
• Identical mounting type (Surface Mount)
• Identical RoHS compliance status (ROHS3 Compliant)
• Identical moisture sensitivity level (MSL 3, 168 Hours)

Parameter Comparison

Engineering Selection Recommendations

The ATSAMA5D24C-CUR is a direct functional and electrical equivalent to the ATSAMA5D24B-CUR. All critical electrical parameters, peripheral interfaces, memory controller support, and security features are identical. Both parts maintain identical RoHS3 compliance, REACH status, and export classification codes.

The primary distinction is product status: the ATSAMA5D24B-CUR is obsolete, while the ATSAMA5D24C-CUR is active. This status difference makes the ATSAMA5D24C-CUR the appropriate selection for new designs, production continuity, and long-term supply chain stability. The substitute part carries identical regulatory certifications and environmental specifications, ensuring compliance requirements are maintained.

Frequently Asked Questions (FAQ)

Q: Can ATSAMA5D24C-CUR be used as a direct replacement for ATSAMA5D24B-CUR in existing designs?

A: Yes. The ATSAMA5D24C-CUR is electrically and functionally identical to the ATSAMA5D24B-CUR across all specified parameters. No design modifications are required for pin compatibility, voltage levels, operating temperature range, or peripheral functionality.

Q: Are the package dimensions and pinout identical?

A: Yes. Both parts use the 256-TFBGA (8x8) package with identical mounting type (Surface Mount). Pinout and physical dimensions are equivalent.

Q: What is the difference between ATSAMA5D24B-CUR and ATSAMA5D24C-CUR?

A: The primary difference is product status. The ATSAMA5D24B-CUR is obsolete, while the ATSAMA5D24C-CUR is active. All electrical, functional, and compliance specifications are identical.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the ATSAMA5D24B-CUR and ATSAMA5D24C-CUR are ROHS3 Compliant with identical REACH status (REACH Unaffected).

Q: What is the moisture sensitivity level for these parts?

A: Both parts have an MSL rating of 3 with a 168-hour floor life. Identical handling and storage requirements apply.

Q: Are the security features identical?

A: Yes. Both parts include identical security features: ARM TrustZone, Boot Security, Cryptography, RTIC, Secure Fusebox, Secure JTAG, Secure Memory, and Secure RTC.

Q: Can I use ATSAMA5D24C-CUR in production if my design was originally specified for ATSAMA5D24B-CUR?

A: Yes. The ATSAMA5D24C-CUR is a direct substitute with no design changes required. The active product status of the ATSAMA5D24C-CUR makes it the recommended choice for ongoing production.