ATSAMA5D27B-CU Equivalent & Substitute Parts

Part Overview

The ATSAMA5D27B-CU 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 currently listed as obsolete, necessitating identification of active equivalent alternatives for new designs and ongoing production requirements.

Substiute Parts

ATSAMA5D27B-CU

Microchip TechnologyIn Stock: 1840ATSAMA5D27B-CU Datasheet

Current PartRFQ

ATSAMA5D27C-CU

Microchip TechnologyIn Stock: 6841ATSAMA5D27C-CU Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The ATSAMA5D27C-CU qualifies as a direct substitute for the ATSAMA5D27B-CU based on the following critical parameters:

Matching Parameters:

• Identical ARM Cortex-A5 core processor architecture
• Same 1 Core, 32-Bit configuration
• Identical 500MHz operating frequency
• Identical multimedia co-processor and NEON MPE support
• Identical RAM controller support (LPDDR1, LPDDR2, LPDDR3, DDR2, DDR3, DDR3L, QSPI)
• Identical graphics acceleration capability
• Identical display and interface controller support (Keyboard, LCD, Touchscreen)
• Identical 10/100Mbps Ethernet interface
• Identical USB 2.0 + HSIC configuration
• Identical 3.3V I/O voltage specification
• Identical -40°C ~ 85°C operating temperature range
• Identical 289-LFBGA (14x14) package and surface mount configuration
• Identical additional interface support (I2C, SMC, SPI, UART, USART, QSPI)
• Identical ROHS3 compliance and MSL 3 rating

Differentiating Factor: The ATSAMA5D27C-CU is in active product status with higher inventory availability (6745 Pcs), whereas the ATSAMA5D27B-CU is obsolete.

Parameter Comparison

Engineering Selection Recommendations

The ATSAMA5D27C-CU is the appropriate selection for applications currently using or specifying the ATSAMA5D27B-CU. Both devices maintain identical electrical, functional, and mechanical specifications across all critical parameters. The ATSAMA5D27C-CU offers the advantage of active product status with established supply chain availability, whereas the ATSAMA5D27B-CU is obsolete and subject to limited inventory constraints.

Both parts maintain ROHS3 compliance and identical REACH status, ensuring regulatory alignment for new designs and production continuity. The identical MSL 3 rating and packaging specifications ensure no modifications to PCB assembly processes or handling procedures are required.

Frequently Asked Questions (FAQ)

Q: Are the ATSAMA5D27B-CU and ATSAMA5D27C-CU pin-compatible?

A: Yes. Both devices use the identical 289-LFBGA (14x14) package with surface mount configuration. No PCB redesign is required for substitution.

Q: What is the primary reason for substituting the ATSAMA5D27B-CU?

A: The ATSAMA5D27B-CU is obsolete. The ATSAMA5D27C-CU is the active equivalent from Microchip Technology with identical specifications and superior supply availability.

Q: Are there any functional differences between these parts?

A: No. Both devices provide identical processor architecture, clock speed, memory controller support, interface capabilities, and security features. All electrical and mechanical parameters are equivalent.

Q: Do assembly and handling procedures differ between these parts?

A: No. Both parts share identical MSL 3 ratings, operating temperature ranges, and packaging specifications. Existing assembly and storage procedures remain unchanged.

Q: Is the ATSAMA5D27C-CU suitable for applications requiring -40°C ~ 85°C operation?

A: Yes. The ATSAMA5D27C-CU maintains the identical -40°C ~ 85°C operating temperature specification as the ATSAMA5D27B-CU.