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Microchip Technology ATSAMD20G18A-AUT Microcontrollers

IC MCU 32BIT 256KB FLASH 48TQFP

10,000 ActiveMicrochip TechnologyATSAMD20G48-TQFP$7.83
ATSAMD20G18A-AUT 48-TQFP package illustration

Same model may have multiple batches, images only for reference.

ATSAMD20G18A-AUT
Part Number (MPN)
ATSAMD20G18A-AUT
Base Model
Detailed Description
IC MCU 32BIT 256KB FLASH 48TQFP
Package
48-TQFP
Key Features
Package: 48-TQFP
Lifecycle Status
Active
Datasheet
PDF ATSAMD20G18A-AUT Datasheet
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Ordering Code Family

ATSAMD20G groups multiple orderable suffixes under one base device. Compare package, grade, and reel options on the base-number page before substituting within the family.

19 ordering variants listed on the family page.

View all variants

Technical Specifications

Microchip Technology ATSAMD20G18A-AUT Microcontrollers technical specifications.

General

RAM Size
32K x 8
RoHS
Yes
Number of Pins
48
Package / Case
48-TQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.62V ~ 3.6V
Lifecycle Status
Active
Package
48-TQFP
Peripherals
Brown-out Detect/Reset, POR, WDT

Related Parts Comparison (ATSAMD20G18A-AUT vs ATSAMD20G17A-AUT vs ATSAMD20G17A-MUT vs ATSAMD20G18A-ANT)

Side-by-side specifications of related catalog parts.

Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.

This PartRelated PartRelated PartRelated Part
Package / Case48-TQFP48-TQFP48-VFQFN Exposed Pad48-TQFP
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
Operating Temperature-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 105°C (TA)
Supply Voltage1.62V ~ 3.6V1.62V ~ 3.6V1.62V ~ 3.6V1.62V ~ 3.6V
Number of Pins48484848
Core ProcessorARM® Cortex®-M0+ARM® Cortex®-M0+ARM® Cortex®-M0+ARM® Cortex®-M0+
Core Size32-Bit Single-Core32-Bit Single-Core32-Bit Single-Core32-Bit Single-Core
RAM Size32K x 816K x 816K x 832K x 8
RoHSYesYesYesYes
Lifecycle StatusActiveActiveActiveActive
ConnectivityI²C, SPI, UART/USARTI²C, SPI, UART/USARTI²C, SPI, UART/USARTI²C, SPI, UART/USART
CPU TypeCortex-M0+Cortex-M0+Cortex-M0+Cortex-M0+
Action

Cross Reference

Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .

Suggested replacements

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