ATSAMC20G17A-MUT Equivalent & Substitute Parts

Part Overview

The ATSAMC20G17A-MUT is an ARM Cortex-M0+ SAM C20 microcontroller IC manufactured by Microchip Technology. This 32-bit single-core embedded processor operates at 48MHz with 128KB FLASH program memory and 16KB RAM, housed in a 48-QFN (7x7) package with exposed pad. The device is Active product status and widely used in embedded control applications requiring low-power operation across industrial and consumer markets. Identifying equivalent substitute parts ensures design flexibility, supply chain continuity, and procurement optimization when the primary part number becomes unavailable or when alternative packaging configurations are required.

Key Parameters

Parameter	Value
Manufacturer	Microchip Technology
Series	SAM C20
Core Processor	ARM Cortex-M0+
Core Size	32-Bit Single-Core
Speed	48MHz
Program Memory Size	128KB (128K x 8)
RAM Size	16K x 8
Voltage Supply (Vcc/Vdd)	2.7V ~ 5.5V
Number of I/O	38
Data Converters	A/D 12x12b
Connectivity	I2C, LINbus, SPI, UART/USART
Peripherals	Brown-out Detect/Reset, DMA, POR, WDT
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	48-VFQFN Exposed Pad
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility for the ATSAMC20G17A-MUT is determined by strict equivalence across the following critical parameters:

Manufacturer: Microchip Technology (same manufacturer ensures design compatibility and support continuity)
Series: SAM C20 (same microcontroller family)
Core Processor: ARM Cortex-M0+ (identical processor architecture)
Core Size: 32-Bit Single-Core (same computational capability)
Speed: 48MHz (identical clock frequency)
Program Memory: 128KB FLASH (same code storage capacity)
RAM: 16K x 8 (identical working memory)
Voltage Supply: 2.7V ~ 5.5V (same operating voltage range)
Number of I/O: 38 (identical pin count and functionality)
Data Converters: A/D 12x12b (same analog conversion capability)
Connectivity: I2C, LINbus, SPI, UART/USART (identical communication interfaces)
Peripherals: Brown-out Detect/Reset, DMA, POR, WDT (same integrated features)
Operating Temperature: -40°C ~ 85°C (identical thermal range)
Package / Case: 48-VFQFN Exposed Pad (same physical footprint and thermal characteristics)
RoHS Status: ROHS3 Compliant (same environmental compliance)
MSL: 3 (168 Hours) (same moisture sensitivity level)

The ATSAMC20G17A-MUTS2 qualifies as a direct substitute based on full parameter equivalence across all specified criteria.

Parameter Comparison

Parameter	ATSAMC20G17A-MUT	ATSAMC20G17A-MUTS2	Match
Manufacturer	Microchip Technology	Microchip Technology	✓
Series	SAM C20	SAM C20	✓
Core Processor	ARM Cortex-M0+	ARM Cortex-M0+	✓
Core Size	32-Bit Single-Core	32-Bit Single-Core	✓
Speed	48MHz	48MHz	✓
Program Memory Size	128KB (128K x 8)	128KB (128K x 8)	✓
RAM Size	16K x 8	16K x 8	✓
Voltage Supply (Vcc/Vdd)	2.7V ~ 5.5V	2.7V ~ 5.5V	✓
Number of I/O	38	38	✓
Data Converters	A/D 12x12b	A/D 12x12b	✓
Connectivity	I2C, LINbus, SPI, UART/USART	I2C, LINbus, SPI, UART/USART	✓
Peripherals	Brown-out Detect/Reset, DMA, POR, WDT	Brown-out Detect/Reset, DMA, POR, WDT	✓
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	✓
Mounting Type	Surface Mount	Surface Mount	✓
Package / Case	48-VFQFN Exposed Pad	48-VFQFN Exposed Pad	✓
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	✓
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)	✓
Product Status	Active	Active	✓

Engineering Selection Recommendations

The ATSAMC20G17A-MUTS2 is a direct functional and electrical equivalent to the ATSAMC20G17A-MUT. Both parts maintain Active product status from Microchip Technology, ensuring ongoing manufacturer support and availability. Both devices carry ROHS3 compliance and identical MSL ratings, confirming equivalent environmental and handling requirements for manufacturing processes.

Selection between these parts should be based on procurement availability, lead time, and inventory status. The ATSAMC20G17A-MUTS2 currently maintains higher inventory levels (4849 Pcs) compared to the ATSAMC20G17A-MUT (912 Pcs), making it suitable for high-volume production runs or time-sensitive projects. Both parts are suitable for direct substitution in existing designs without circuit modification or firmware changes.

Frequently Asked Questions (FAQ)

Q: Can ATSAMC20G17A-MUTS2 be used as a direct replacement for ATSAMC20G17A-MUT in production designs?

A: Yes. Both parts are electrically and functionally identical across all specified parameters. No circuit redesign or firmware modification is required. The parts are pin-compatible and operate identically within the same voltage, temperature, and frequency specifications.

Q: Are there any package differences between these two part numbers?

A: No. Both parts use the 48-VFQFN Exposed Pad package with identical physical dimensions (7x7mm). PCB footprints and thermal characteristics are equivalent.

Q: What is the difference between the part numbers ATSAMC20G17A-MUT and ATSAMC20G17A-MUTS2?

A: The suffix designations (MUT vs MUTS2) indicate different packaging or tape reel configurations from Microchip Technology. The core microcontroller die and electrical specifications remain identical. Consult Microchip datasheets for specific packaging reel specifications if required for automated assembly equipment.

Q: Do both parts have the same compliance certifications?

A: Yes. Both parts are ROHS3 compliant and REACH unaffected. Both carry identical MSL ratings of 3 (168 Hours), requiring the same moisture control and handling procedures during manufacturing.

Q: Which part should be selected for new designs?

A: Either part is suitable for new designs. Selection should be based on current inventory availability and procurement lead times. The ATSAMC20G17A-MUTS2 offers higher stock availability, making it preferable for immediate procurement needs.

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