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ATSAML21J18B-MNT
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We source brand-new parts via original manufacturers, franchised distributors or verified independent channels, with incoming inspection. Channel type is confirmed on your quote.

Contact sales or email [email protected] with MPN and quantity. We reply with stock, ETA and reference pricing — confirm before PO.

Reference price and stock shown as of 2026-09-20. Confirm live availability and unit price via RFQ before placing a PO.

ATSAML21J18B-MNT

IC MCU 32BIT 256KB FLASH 64QFN
Microchip Technology · Microcontrollers · BOM Matching
Mfr. Part Number
ATSAML21J18B-MNT
Manufacturer
Microchip Technology
Package / Case
64-VFQFN Exposed Pad
Datasheet
Datasheet
Description
IC MCU 32BIT 256KB FLASH 64QFN
RoHS Status
Lead Free / RoHS Complaint
Availability
Sourcing — Lead time quoted on request (often 3–15 business days by channel)
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ATSAML21J18B-MNT
Microchip Technology
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In Stock7,737
Unit
Price
$7.56
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Reference Price
QuantityPrice
1$ 7.5600
Prices are for reference only. The final transaction is subject to confirmation.
As of 2026-09-20 · Valid as reference until 2026-09-27 · Request RFQ for live stock.
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Specification Summary

Package / Case
64-VFQFN Exposed Pad
Supplier Device Package
64-QFN (9x9)
Voltage - Supply (Vcc/Vdd)
1.62V ~ 3.63V
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Operating Temperature
-40°C ~ 105°C (TA)
Mounting Type
Surface Mount
Connectivity
I²C, LINbus, SCI, SPI, UART/USART, USB
Full specifications are listed below. Need alternates or BOM matching? Read BOM guide · Request a quote
Stock status: Sourcing — Lead time quoted on request (often 3–15 business days by channel)
Shortage / allocation / EOL lines may need longer — ask via RFQ.
Reference price and stock shown as of 2026-09-20. Confirm live availability and unit price via RFQ before placing a PO.
Lead time FAQ Authenticity FAQ MOQ FAQ
Specifications
Product Description
Purchase & Inquiry
Core Size
32-Bit Single-Core
Program Memory Size
256KB (256K x 8)
Voltage - Supply (Vcc/Vdd)
1.62V ~ 3.63V
Data Converters
A/D 20x12b; D/A 2x12b
Oscillator Type
Internal
Connectivity
I²C, LINbus, SCI, SPI, UART/USART, USB
Core Processor
ARM® Cortex®-M0+
EEPROM Size
-
Number of I/O
51
Peripherals
DMA, POR, PWM, WDT
Program Memory Type
FLASH
RAM Size
32K x 8
Speed
48MHz
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 105°C (TA)
Package / Case
64-VFQFN Exposed Pad
Supplier Device Package
64-QFN (9x9)
IC MCU 32BIT 256KB FLASH 64QFN
Brand Introduction

Microchip Technology Inc. is a leading provider of microcontroller and analog semiconductors, providing low-risk product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality.

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Buying FAQ — ATSAML21J18B-MNT

Answer-first notes for stock, authenticity, lead time and quoting. Marked up as FAQPage.

How do I buy ATSAML21J18B-MNT from Yingxinyuan?

Open RFQ with quantity and target date, or upload a BOM that includes ATSAML21J18B-MNT. We reply with stock, channel note, reference price and ETA.

Is the listed price final?

Prices on the product page are reference only. Confirm unit price, currency and validity via RFQ before placing a PO.

How fresh is the stock figure?

Stock and reference price show an as-of date on the page. Ask for a live confirm — allocation lines can change daily.

How do you source authentic parts?

We source from manufacturers, franchised distributors and verified independents, then inspect incoming lots. See /anti-counterfeit/.

What is a typical lead time?

In-stock lines often ship within 24–48 hours after confirmation. Sourcing / allocation ETAs are quoted per line — see /lead-time-shipping/.
BOM matching · Anti-counterfeit · Lead time & shipping

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