ATSAMA5D41A-CUR Equivalent & Substitute Parts

Part Overview

The ATSAMA5D41A-CUR 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 classified as obsolete, necessitating identification of active equivalent parts for new designs and ongoing production requirements. The ATSAMA5D41A-CUR maintains full functional compatibility with its active successor within the same product line.

Substiute Parts

ATSAMA5D41A-CUR
Microchip TechnologyIn Stock: 18088ATSAMA5D41A-CUR Datasheet
ATSAMA5D41A-CUR
Current Part
ATSAMA5D41B-CUR
Microchip TechnologyIn Stock: 1972ATSAMA5D41B-CUR Datasheet
ATSAMA5D41B-CUR
Direct

Key Parameters

Parameter Value
Manufacturer Part Number ATSAMA5D41A-CUR
Manufacturer Microchip Technology
Series SAMA5D4
Core Processor ARM Cortex-A5
Number of Cores / Bus Width 1 Core, 32-Bit
Speed 600MHz
Co-Processors / DSP Multimedia, NEON SIMD
RAM Controllers LPDDR, LPDDR2, DDR2
Graphics Acceleration Yes
Display & Interface Controllers LCD, Touchscreen
Ethernet 10/100Mbps (1)
USB USB 2.0 (3)
Voltage - I/O 1.2V, 1.8V, 3.3V
Operating Temperature -40°C ~ 85°C (TA)
Security Features AES, SHA, TDES, TRNG
Package / Case 289-LFBGA (14x14)
Mounting Type Surface Mount
Additional Interfaces EBI, I2C, MMC/SD/SDIO, SPI, SSC, UART, USART
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
Product Status Obsolete

Substitute Part Grouping Explanation

The ATSAMA5D41B-CUR qualifies as a direct substitute for the ATSAMA5D41A-CUR based on the following critical parameters:

Electrical Compatibility:

  • Identical core processor architecture (ARM Cortex-A5)
  • Matching clock speed (600MHz)
  • Identical co-processor configuration (Multimedia, NEON SIMD)
  • Identical RAM controller support (LPDDR, LPDDR2, DDR2)
  • Matching I/O voltage levels (1.2V, 1.8V, 3.3V)
  • Identical operating temperature range (-40°C ~ 85°C)
  • Identical security feature set (AES, SHA, TDES, TRNG)

Mechanical Compatibility:

  • Identical package type (289-LFBGA, 14x14)
  • Identical mounting type (Surface Mount)
  • Identical MSL rating (3, 168 Hours)

Functional Compatibility:

  • Identical peripheral interface set (EBI, I2C, MMC/SD/SDIO, SPI, SSC, UART, USART)
  • Identical display and interface controllers (LCD, Touchscreen)
  • Identical Ethernet capability (10/100Mbps, 1 port)
  • Identical USB configuration (USB 2.0, 3 ports)
  • Identical graphics acceleration support

Regulatory Compliance:

  • ROHS3 Compliant
  • REACH Unaffected

The primary distinction is product status: ATSAMA5D41A-CUR is obsolete, while ATSAMA5D41B-CUR is active. The packaging differs only in supplier format (Tape & Reel for the substitute versus unspecified for the main part).

Parameter Comparison

Parameter ATSAMA5D41A-CUR ATSAMA5D41B-CUR Match
Manufacturer Microchip Technology Microchip Technology
Series SAMA5D4 SAMA5D4
Core Processor ARM Cortex-A5 ARM Cortex-A5
Number of Cores / Bus Width 1 Core, 32-Bit 1 Core, 32-Bit
Speed 600MHz 600MHz
Co-Processors / DSP Multimedia, NEON SIMD Multimedia, NEON SIMD
RAM Controllers LPDDR, LPDDR2, DDR2 LPDDR, LPDDR2, DDR2
Graphics Acceleration Yes Yes
Display & Interface Controllers LCD, Touchscreen LCD, Touchscreen
Ethernet 10/100Mbps (1) 10/100Mbps (1)
USB USB 2.0 (3) USB 2.0 (3)
Voltage - I/O 1.2V, 1.8V, 3.3V 1.2V, 1.8V, 3.3V
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Security Features AES, SHA, TDES, TRNG AES, SHA, TDES, TRNG
Package / Case 289-LFBGA (14x14) 289-LFBGA (14x14)
Mounting Type Surface Mount Surface Mount
Additional Interfaces EBI, I2C, MMC/SD/SDIO, SPI, SSC, UART, USART EBI, I2C, MMC/SD/SDIO, SPI, SSC, UART, USART
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours) 3 (168 Hours)
REACH Status REACH Unaffected REACH Unaffected
Product Status Obsolete Active
Packaging Format Unspecified Tape & Reel (TR)

Engineering Selection Recommendations

The ATSAMA5D41B-CUR is the appropriate selection for applications currently using or requiring the ATSAMA5D41A-CUR. The substitute part maintains complete electrical, mechanical, and functional equivalence across all specified parameters. The transition from obsolete to active product status ensures continued availability and supply chain stability. Both parts maintain identical regulatory compliance certifications (ROHS3 Compliant, REACH Unaffected). The Tape & Reel packaging format of the substitute part is standard for production quantities and does not affect functional compatibility. No design modifications or board-level changes are required for substitution.

Frequently Asked Questions (FAQ)

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

A: Yes. Both devices use the identical 289-LFBGA (14x14) package with Surface Mount configuration. Pin assignments, electrical characteristics, and signal definitions are identical.

Q: Can I use ATSAMA5D41B-CUR in existing designs originally specified for ATSAMA5D41A-CUR?

A: Yes. The substitute part is electrically and mechanically equivalent. No PCB redesign or firmware modifications are required.

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

A: The primary difference is product lifecycle status. ATSAMA5D41A-CUR is obsolete, while ATSAMA5D41B-CUR is active. All electrical, mechanical, and functional specifications are identical.

Q: Does the Tape & Reel packaging of ATSAMA5D41B-CUR affect compatibility?

A: No. Tape & Reel is a supplier packaging format for automated assembly. The component itself and its electrical characteristics remain unchanged. This format is standard for production volumes.

Q: Are there any thermal or power consumption differences?

A: No differences are specified in the provided parameters. Both parts operate within the identical temperature range (-40°C ~ 85°C) and share identical voltage specifications (1.2V, 1.8V, 3.3V I/O).

Q: Can I mix ATSAMA5D41A-CUR and ATSAMA5D41B-CUR in the same production batch?

A: Yes. The parts are functionally equivalent and can be used interchangeably in the same design without affecting system performance or reliability.

Q: Are both parts compliant with current regulatory requirements?

A: Yes. Both ATSAMA5D41A-CUR and ATSAMA5D41B-CUR are ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory standards.

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