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ATSAMA5D22B-CNR Equivalent & Substitute Parts
Part Overview
The ATSAMA5D22B-CNR is an ARM Cortex-A5 microprocessor from Microchip Technology's SAMA5D2 series, operating at 500MHz with 32-bit architecture in a 196-TFBGA package. This embedded processor integrates multimedia acceleration, multiple memory controllers, graphics capabilities, and comprehensive security features. The part is currently listed as obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement.
Substiute Parts
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 Type | 196-TFBGA (11x11) |
| Voltage - I/O | 3.3V |
| Operating Temperature Range | -40°C ~ 105°C (TA) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 3 (168 Hours) |
Substitute Part Grouping Explanation
Substitution for the ATSAMA5D22B-CNR is determined by strict equivalence across the following critical parameters:
- Processor Architecture: ARM Cortex-A5, 1 Core, 32-Bit
- Clock Speed: 500MHz
- Package Specification: 196-TFBGA (11x11)
- I/O Voltage: 3.3V
- Temperature Range: -40°C ~ 105°C
- Memory Controller Support: LPDDR1, LPDDR2, LPDDR3, DDR2, DDR3, DDR3L, QSPI
- Interface Set: I2C, SMC, SPI, UART, USART, QSPI
- Security Features: ARM TrustZone, Boot Security, Cryptography, RTIC, Secure Fusebox, Secure JTAG, Secure Memory, Secure RTC
- Regulatory Compliance: ROHS3, REACH Unaffected
The identified substitutes maintain identical electrical, mechanical, and functional specifications while differing in product status and packaging configuration.
Parameter Comparison
| Parameter | ATSAMA5D22B-CNR | ATSAMA5D22C-CNR | ATSAMA5D22A-CNR |
|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology |
| Series | SAMA5D2 | SAMA5D2 | SAMA5D2 |
| Core Processor | ARM Cortex-A5 | ARM Cortex-A5 | ARM Cortex-A5 |
| Cores/Bus Width | 1 Core, 32-Bit | 1 Core, 32-Bit | 1 Core, 32-Bit |
| Speed | 500MHz | 500MHz | 500MHz |
| Package Type | 196-TFBGA (11x11) | 196-TFBGA (11x11) | 196-TFBGA (11x11) |
| Voltage - I/O | 3.3V | 3.3V | 3.3V |
| Operating Temperature | -40°C ~ 105°C | -40°C ~ 105°C | -40°C ~ 105°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Product Status | Obsolete | Active | Active |
| Packaging Configuration | Bulk | Tape & Reel (TR) | Bulk |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 3 (168 Hours) | 3 (168 Hours) | 3 (168 Hours) |
Engineering Selection Recommendations
ATSAMA5D22C-CNR is the primary direct substitute. It maintains complete electrical and functional equivalence to the ATSAMA5D22B-CNR while offering active product status and Tape & Reel packaging for automated assembly processes. This variant is recommended for new production runs and ongoing procurement.
ATSAMA5D22A-CNR is the manufacturer-recommended alternative. It provides identical performance and feature set with active product status. This variant is supplied in bulk packaging and is suitable for applications where Tape & Reel configuration is not required.
Both substitutes are ROHS3 compliant and REACH unaffected, maintaining full regulatory alignment with the original part. Selection between ATSAMA5D22C-CNR and ATSAMA5D22A-CNR depends on assembly methodology and packaging requirements rather than electrical performance.
Frequently Asked Questions (FAQ)
Q: Are ATSAMA5D22C-CNR and ATSAMA5D22A-CNR pin-for-pin compatible with ATSAMA5D22B-CNR?
A: Yes. All three parts use the identical 196-TFBGA (11x11) package with matching pinout, voltage specifications (3.3V I/O), and functional signal assignments.
Q: What is the difference between the three part numbers?
A: The primary differences are product status and packaging format. ATSAMA5D22B-CNR is obsolete with bulk packaging. ATSAMA5D22C-CNR is active with Tape & Reel packaging for automated assembly. ATSAMA5D22A-CNR is active with bulk packaging. All three are electrically and functionally identical.
Q: Can I use ATSAMA5D22C-CNR in place of ATSAMA5D22B-CNR in existing designs?
A: Yes. The parts are functionally equivalent across all electrical parameters, memory controller support, interface specifications, security features, and operating conditions. No design modifications are required.
Q: Are there any temperature or voltage derating considerations when substituting?
A: No. All three parts operate across the identical temperature range (-40°C ~ 105°C) and I/O voltage specification (3.3V). Operating conditions remain unchanged.
Q: What packaging format should I select for new production?
A: ATSAMA5D22C-CNR with Tape & Reel packaging is recommended for automated assembly lines. ATSAMA5D22A-CNR bulk packaging is suitable for manual assembly or lower-volume applications.
Q: Are all three parts ROHS3 compliant?
A: Yes. ATSAMA5D22B-CNR, ATSAMA5D22C-CNR, and ATSAMA5D22A-CNR are all ROHS3 compliant with MSL rating of 3 (168 Hours).
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