ATSAMA5D27A-CUR Equivalent & Substitute Parts

Part Overview

The ATSAMA5D27A-CUR is an ARM Cortex-A5 microprocessor from Microchip Technology's SAMA5D2 series, operating at 500MHz with 32-bit architecture. This device integrates multimedia co-processors, NEON MPE support, and comprehensive memory controllers supporting LPDDR1, LPDDR2, LPDDR3, DDR2, DDR3, and DDR3L. The part is mounted in a 289-LFBGA (14x14) package and features integrated graphics acceleration, display controllers, and multiple communication interfaces including Ethernet, USB 2.0, and HSIC.

The ATSAMA5D27A-CUR carries an Obsolete product status. Identifying equivalent substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term product availability for applications currently utilizing this microprocessor.

Substiute Parts

ATSAMA5D27A-CUR

Microchip TechnologyIn Stock: 958ATSAMA5D27A-CUR Datasheet

Current PartRFQ

ATSAMA5D27C-CUR

Microchip TechnologyIn Stock: 3486ATSAMA5D27C-CUR Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ATSAMA5D27A-CUR is determined by strict alignment across the following critical parameters:

• Processor Architecture: ARM Cortex-A5 core with identical instruction set compatibility
• Clock Speed: 500MHz operation
• Memory Controller Support: Full compatibility with LPDDR1, LPDDR2, LPDDR3, DDR2, DDR3, DDR3L, and QSPI
• Co-Processor Configuration: Multimedia and NEON™ MPE support
• Package Specification: 289-LFBGA (14x14) form factor
• I/O Voltage: 3.3V
• Interface Set: Ethernet, USB 2.0, HSIC, I2C, SMC, SPI, UART, USART, QSPI
• Security Features: ARM TrustZone, Boot Security, Cryptography, RTIC, Secure Fusebox, Secure JTAG, Secure Memory, Secure RTC
• Environmental Compliance: ROHS3 Compliant, REACH Unaffected, MSL 3 (168 Hours)

The ATSAMA5D27C-CUR meets all substitution criteria and maintains full electrical and mechanical compatibility with the ATSAMA5D27A-CUR.

Parameter Comparison

Engineering Selection Recommendations

The ATSAMA5D27C-CUR is the direct substitute for the ATSAMA5D27A-CUR. Both parts maintain identical electrical specifications, memory controller support, interface configurations, and security feature sets. The primary distinction is product status: the ATSAMA5D27A-CUR is classified as Obsolete, while the ATSAMA5D27C-CUR maintains Active status with current manufacturing support.

For new designs or production continuity, the ATSAMA5D27C-CUR is the appropriate selection. Both parts carry ROHS3 compliance and REACH Unaffected status, meeting current environmental and regulatory requirements. The identical MSL rating of 3 (168 Hours) ensures equivalent handling and storage requirements.

Frequently Asked Questions (FAQ)

Q: Are the ATSAMA5D27A-CUR and ATSAMA5D27C-CUR pin-compatible?

A: Yes. Both parts use the 289-LFBGA (14x14) package with identical pinout, electrical characteristics, and interface specifications. No PCB redesign is required for substitution.

Q: What is the difference between these two part numbers?

A: The ATSAMA5D27A-CUR is Obsolete, while the ATSAMA5D27C-CUR is Active. The electrical and functional specifications are identical. The difference reflects manufacturing status and supply chain availability.

Q: Can I use the ATSAMA5D27C-CUR as a direct replacement in existing designs?

A: Yes. The ATSAMA5D27C-CUR provides full functional and electrical compatibility with the ATSAMA5D27A-CUR. No firmware, software, or hardware modifications are necessary.

Q: Are the memory controller capabilities identical?

A: Yes. Both parts support LPDDR1, LPDDR2, LPDDR3, DDR2, DDR3, DDR3L, and QSPI memory controllers with identical specifications.

Q: Do both parts support the same security features?

A: Yes. Both the ATSAMA5D27A-CUR and ATSAMA5D27C-CUR include ARM TrustZone, Boot Security, Cryptography, RTIC, Secure Fusebox, Secure JTAG, Secure Memory, and Secure RTC.

Q: What are the handling requirements for these parts?

A: Both parts carry MSL 3 (168 Hours) rating. Standard moisture-sensitive device handling procedures apply, with a maximum floor life of 168 hours after bag opening under controlled conditions.

Q: Are there any compliance differences between the two parts?

A: No. Both parts are ROHS3 Compliant and REACH Unaffected, meeting identical environmental and regulatory standards.