ATSAMA5D22B-CN Equivalent & Substitute Parts

Part Overview

The ATSAMA5D22B-CN is an ARM Cortex-A5 microprocessor from Microchip Technology's SAMA5D2 series, featuring a single 32-bit core operating at 500MHz in a 196-TFBGA package. This embedded processor integrates multimedia acceleration, multiple memory controllers, graphics acceleration, and comprehensive security features. The part is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity.

Key Parameters

Parameter	Value
Manufacturer	Microchip Technology
Series	SAMA5D2
Core Processor	ARM Cortex-A5
Number of Cores / Bus Width	1 Core, 32-Bit
Speed	500MHz
Package / Case	196-TFBGA (11x11)
Voltage - I/O	3.3V
Operating Temperature	-40°C ~ 105°C (TA)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution for the ATSAMA5D22B-CN is determined by strict equivalence across the following critical parameters:

Processor Architecture: ARM Cortex-A5 core
Clock Speed: 500MHz
Package Type: 196-TFBGA (11x11)
I/O Voltage: 3.3V
Operating Temperature Range: -40°C ~ 105°C
Mounting Technology: Surface Mount
Compliance Standards: ROHS3, REACH Unaffected

The identified substitute parts maintain identical electrical specifications, memory controller support, interface capabilities, and security features. Substitution is valid based on matching core processor type, frequency, package geometry, and thermal operating range. Differences in product status and packaging format (tray vs. standard) do not affect functional equivalence.

Parameter Comparison

Parameter	ATSAMA5D22B-CN	ATSAMA5D22C-CN	ATSAMA5D22A-CN
Manufacturer	Microchip Technology	Microchip Technology	Microchip Technology
Series	SAMA5D2	SAMA5D2	SAMA5D2
Core Processor	ARM Cortex-A5	ARM Cortex-A5	ARM Cortex-A5
Number of Cores / Bus Width	1 Core, 32-Bit	1 Core, 32-Bit	1 Core, 32-Bit
Speed	500MHz	500MHz	500MHz
Co-Processors/DSP	Multimedia, NEON™ MPE	Multimedia, NEON™ MPE	Multimedia, NEON™ MPE
RAM Controllers	LPDDR1, LPDDR2, LPDDR3, DDR2, DDR3, DDR3L, QSPI	LPDDR1, LPDDR2, LPDDR3, DDR2, DDR3, DDR3L, QSPI	LPDDR1, LPDDR2, LPDDR3, DDR2, DDR3, DDR3L, QSPI
Graphics Acceleration	Yes	Yes	Yes
Display & Interface Controllers	Keyboard, LCD, Touchscreen	Keyboard, LCD, Touchscreen	Keyboard, LCD, Touchscreen
Ethernet	10/100Mbps (1)	10/100Mbps (1)	10/100Mbps (1)
USB	USB 2.0 + HSIC	USB 2.0 + HSIC	USB 2.0 + HSIC
Voltage - I/O	3.3V	3.3V	3.3V
Operating Temperature	-40°C ~ 105°C (TA)	-40°C ~ 105°C (TA)	-40°C ~ 105°C (TA)
Security Features	ARM TZ, Boot Security, Cryptography, RTIC, Secure Fusebox, Secure JTAG, Secure Memory, Secure RTC	ARM TZ, Boot Security, Cryptography, RTIC, Secure Fusebox, Secure JTAG, Secure Memory, Secure RTC	ARM TZ, Boot Security, Cryptography, RTIC, Secure Fusebox, Secure JTAG, Secure Memory, Secure RTC
Package / Case	196-TFBGA (11x11)	196-TFBGA (11x11)	196-TFBGA (11x11)
Additional Interfaces	I2C, SMC, SPI, UART, USART, QSPI	I2C, SMC, SPI, UART, USART, QSPI	I2C, SMC, SPI, UART, USART, QSPI
Mounting Type	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected
Product Status	Obsolete	Active	Active

Engineering Selection Recommendations

Both ATSAMA5D22C-CN and ATSAMA5D22A-CN are functionally equivalent to the ATSAMA5D22B-CN and provide direct substitution capability. The primary distinction is product status: ATSAMA5D22B-CN is obsolete, while both substitute parts are active products from Microchip Technology.

For new designs or production continuity, ATSAMA5D22C-CN and ATSAMA5D22A-CN are recommended as they maintain active manufacturing status and full compliance with ROHS3 and REACH requirements. Both parts are identical in electrical performance, thermal characteristics, and interface capabilities.

The choice between ATSAMA5D22C-CN and ATSAMA5D22A-CN may be influenced by packaging format availability and supplier inventory, as ATSAMA5D22C-CN is supplied in tray packaging while ATSAMA5D22A-CN uses standard packaging.

Frequently Asked Questions (FAQ)

Q: Can ATSAMA5D22C-CN and ATSAMA5D22A-CN be used interchangeably with ATSAMA5D22B-CN?

A: Yes. Both parts are direct substitutes. They share identical processor architecture, clock frequency, package geometry, I/O voltage, operating temperature range, and interface specifications. No circuit modifications are required.

Q: What is the difference between ATSAMA5D22B-CN, ATSAMA5D22C-CN, and ATSAMA5D22A-CN?

A: The three parts are electrically and functionally identical. The primary differences are product status (ATSAMA5D22B-CN is obsolete; the others are active) and packaging format (ATSAMA5D22C-CN is supplied in tray; ATSAMA5D22A-CN uses standard packaging).

Q: Are there any compatibility concerns when substituting these parts?

A: No compatibility concerns exist. All three parts use the same 196-TFBGA (11x11) package, identical pinout, and equivalent electrical specifications. PCB layout and firmware remain unchanged.

Q: Why is ATSAMA5D22B-CN listed as obsolete?

A: Product obsolescence is determined by the manufacturer. ATSAMA5D22C-CN and ATSAMA5D22A-CN are active alternatives that provide continued support for the SAMA5D2 architecture.

Q: Do all three parts meet the same compliance standards?

A: Yes. All three parts are ROHS3 compliant, REACH unaffected, and carry identical MSL ratings of 3 (168 Hours).

Q: What is the operating temperature range for these parts?

A: All three parts operate across -40°C to 105°C (TA), supporting industrial and extended temperature applications.

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