PACKAGE REFERENCETQFP-48Confirm case, pinout and ordering suffix before purchase.

SOURCING REFERENCE RECORD

ATSAMD21G18A-AU

Microchip Technology

Arm Cortex-M0+ microcontroller with USB for low-power systems.

Integrated Circuits32-bit microcontrollerTQFP-48

MPN: ATSAMD21G18A-AU
Manufacturer: Microchip Technology
Family: 32-bit microcontroller
Package: TQFP-48
Manufacturer channel coverage: 1 channels
Data last checked: Checked Sep 21, 2026, 5:09 PM UTC

MANUFACTURER CHANNEL

Manufacturer-direct availability.

Only manufacturer-channel availability is shown here. Sourceics confirms the final source and commercial terms before quoting.

Manufacturer channel data · DigiKey price benchmark Sep 21, 2026, 5:09 PM UTC

Manufacturer channelData statusReported market stockMOQPackagingTarget price*

Manufacturer channelUpdated Sep 21, 2026, 5:09 PM UTC

Manufacturer public data

Reported market stock3,250

MOQ1

PackagingTQFP · TRAY2 wk lead time

Target price*RFQ

Manufacturer-channel figures may change without notice and are not Sourceics-owned inventory. Target prices use 98% of the connected DigiKey public price benchmark. Final source, quantity, price, lead time and traceability are confirmed in the quotation.

PROCUREMENT DATA

Identity and sourcing requirements.

Manufacturer part number: ATSAMD21G18A-AU
Manufacturer: Microchip Technology
Product family: 32-bit microcontroller
Category: Integrated Circuits
Package reference: TQFP-48
Manufacturer availability: 3,250 manufacturer-channel units reported
Target price status: Sourceics target USD 4.08 at 1+
Sourceics sourcing status: Supplier and stock verified during RFQ
Required order checks: Suffix, package, date code, lot, source and traceability

MANUFACTURER DATA REVIEW

Key technical specifications

Ordering-code highlights reviewed against official manufacturer documentation.

CPU core: Arm Cortex-M0+
Maximum frequency: 48 MHz
Flash memory: 256 KB
SRAM: 32 KB
Operating supply: 1.62 V to 3.63 V
Key interfaces: USB FS and configurable SERCOM ports

Source: Microchip SAM D21 family data · Reviewed 2026-09-21

QUOTE WORKFLOW

Four checks before a commercial offer.

Identity

Exact MPN, manufacturer and suffix

Supply

Supplier type, quantity and freshness

Evidence

Lot, labels, photos and documents

Terms

Price, lead time, payment and shipping

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