ATSAMD21J18A-AF
- Mfr.Part #
- ATSAMD21J18A-AF
- Manufacturer
- Microchip Technology
- Package / Case
- 64-TQFP Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 32BIT 256KB FLASH 64TQFP
- Stock
- 1,508
- In Stock :
- 1,508
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Factory Lead Time :
- 11 Weeks
- Speed :
- 48MHz
- Interface :
- I2C, I2S, LIN, SPI, UART, USART, USB
- Minimum Operating Temperature :
- -40 °C
- Brand :
- Microchip Technology / Atmel
- Pbfree Code :
- yes
- Product Status :
- Active
- Subcategory :
- Microcontrollers - MCU
- Number of I/O :
- 52
- Number of UART Channels :
- 6
- Manufacturer :
- Microchip
- Package Shape :
- Square
- Typical Operating Supply Voltage :
- 3.6 (Maximum) V
- RoHS Status :
- ROHS3 Compliant
- Mount :
- Surface Mount
- DAC Channels :
- yes
- Watchdog Timer :
- yes
- Operating Temperature :
- -40°C~125°C TA
- Data Bus Width :
- 32b
- Core Size :
- 32-Bit
- RAM Size :
- 32K x 8
- Data Converter :
- A/D 20x12b; D/A 1x10b
- MSL :
- MSL 3 - 168 hours
- Product :
- MCU
- Has ADC :
- yes
- Core Processor :
- ARM® Cortex®-M0+
- Temperature Grade :
- Automotive
- Width :
- 10mm
- Interfaces :
- I2S/LIN/SPI/USART/US
- Contact Plating :
- Tin
- Number of Pins :
- 64
- Base Part Number :
- ATSAMD21J18
- Instruction Set Architecture :
- ARM
- Program Memory Type :
- Flash
- JESD-30 Code :
- S-PQFP-G64
- Peak Reflow Temperature (Cel) :
- 260
- Operating Supply Voltage :
- 3.3V
- Number of SPI Channels :
- 6
- REACH SVHC :
- No SVHC
- Family Name :
- ATSAMD
- Connectivity :
- I2C, LINbus, SPI, UART/USART, USB
- Core Architecture :
- ARM
- Number of I/O Lines :
- 52
- Number of Terminations :
- 64
- Published :
- 2008
- Supplier Device Package :
- 64-TQFP (10x10)
- Base Product Number :
- ATSAMD21
- Height Seated (Max) :
- 1.2mm
- Dimensions :
- 10 x 10 x 1.05mm
- Bit Size :
- 32
- Interface Type :
- I2C, I2S, LIN, SPI, USART
- Number of ADC Channels :
- 20 Channel
- RoHS :
- Details
- Qualification :
- AEC-Q100
- Maximum Operating Temperature :
- +125 °C
- Number of Timers/Counters :
- 8
- Surface Mount :
- yes
- Number of Terminals :
- 64
- Seated Height-Max :
- 1.2 mm
- Product Category :
- ARM Microcontrollers - MCU
- Terminal Pitch :
- 0.5mm
- Product Type :
- ARM Microcontrollers - MCU
- Device Core :
- ARM Cortex M0+
- Package / Case :
- 64-TQFP Exposed Pad
- Oscillator Type :
- Internal
- Supply Voltage :
- 3.3V
- Peripherals :
- Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- EEPROM Size :
- --
- Reach Compliance Code :
- Compliant
- Terminal Finish :
- Matte Tin (Sn)
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Terminal Position :
- QUAD
- Memory Size :
- 256KB
- Mounting Type :
- Surface Mount
- Mounting Style :
- SMD/SMT
- Frequency :
- 48MHz
- Data Converters :
- A/D 20x12b, D/A 1x10b
- Series :
- Automotive, AEC-Q100, SAM D21J
- ROM Programmability :
- Flash
- Number of I2C Channels :
- 6
- Length :
- 10mm
- Supply Voltage-Max (Vsup) :
- 3.63V
- DMA Channels :
- yes
- PWM Channels :
- yes
- Height :
- 1.05mm
- Program Memory Size :
- 256KB 256K x 8
- Package Type :
- TQFP
- Voltage - Supply (Vcc/Vdd) :
- 1.62V~3.6V
- JESD-609 Code :
- e3
- Terminal Form :
- Gull wing
- Pin Count :
- 64
- Packaging :
- Tray
- Number of I/Os :
- 52 I/O
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Package :
- Tray
- Datasheets
- ATSAMD21J18A-AF

Microcontrollers Microchip Technology ATSAMD21J18A-AF Overview
The Microcontrollers Microchip Technology ATSAMD21J18A-AF is a highly integrated and efficient microcontroller unit (MCU) tailored for sophisticated applications requiring a perfect balance of power efficiency and processing capability. Designed by Microchip Technology, this MCU is built on a 32-bit ARM Cortex-M0+ processor, which ensures a robust operation with a maximum CPU speed of 48 MHz. It features a substantial 256KB of flash memory and 32KB of SRAM, making it ideal for advanced IoT devices, automation systems, and smart control applications. The integration of multiple peripheral interfaces, including I2C, SPI, and USB, along with its compact 64-TQFP package, ensures flexibility in design and scalability for future enhancements.
ATSAMD21J18A-AF Features
- 32-bit ARM Cortex-M0+ CPU
- 256KB of flash memory
- 32KB of SRAM
- Up to 48 MHz clock speed
- Multipurpose Serial Communication Interfaces (SPI/I2C/USART)
- USB Device and Host capabilities
- Extensive pinout with multiple functions (GPIO, ADC, DAC)
- 64-TQFP packaging for efficient PCB space usage
ATSAMD21J18A-AF Applications
- Smart Home Devices - Utilizes its low power consumption and high integration for smart thermostats, security systems, and lighting controllers.
- Internet of Things (IoT) - Offers essential connectivity options and powerful processing capabilities for IoT gateways and sensors.
- Industrial Automation - Enables robust control for automation machinery and process control systems with its extensive GPIO capabilities and real-time performance.
- Wearable Technology - Ideal for wearable devices due to its compact size and efficiency, supporting features like fitness tracking and mobile notifications.
- Medical Devices - Supports the development of portable medical diagnostics equipment, leveraging its low power usage and ADC functionalities for precise measurements.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















