ATMEGA644A-MUR
- Mfr.Part #
- ATMEGA644A-MUR
- Manufacturer
- Microchip Technology
- Package / Case
- 44-VFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8BIT 64KB FLASH 44VQFN
- Stock
- 766
- In Stock :
- 766
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Manufacturer :
- Microchip
- Surface Mount :
- yes
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Max Frequency :
- 20 MHz
- Product Type :
- 8-bit Microcontrollers - MCU
- Core Processor :
- AVR
- Reach Compliance Code :
- Compliant
- Number of Terminations :
- 44
- Height Seated (Max) :
- 1mm
- Speed :
- 20MHz
- Frequency :
- 20MHz
- Supply Current-Max :
- 9 mA
- Voltage - Supply (Vcc/Vdd) :
- 1.8V~5.5V
- Factory Lead Time :
- 7 Weeks
- Number of Timers/Counters :
- 3
- Product :
- MCU
- Supply Voltage-Min (Vsup) :
- 1.8V
- Power Supplies :
- 2/5V
- Series :
- AVR® ATmega
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Interfaces :
- SPI/USART
- RAM Size :
- 4K x 8
- Mounting Style :
- SMD/SMT
- Contact Plating :
- Tin
- Format :
- FIXED-POINT
- Device Core :
- AVR
- Base Product Number :
- ATMEGA644
- PWM Channels :
- yes
- Qualification Status :
- Not Qualified
- Product Category :
- 8-bit Microcontrollers - MCU
- Length :
- 7mm
- Base Part Number :
- ATMEGA644A
- Supply Voltage-Max (Vsup) :
- 5.5V
- Pbfree Code :
- yes
- On Chip Program ROM Width :
- 16
- Number of Pins :
- 44
- Operating Temperature :
- -40°C~85°C TA
- Low Power Mode :
- yes
- Package Shape :
- Square
- Supplier Device Package :
- 44-VQFN (7x7)
- Package / Case :
- 44-VFQFN Exposed Pad
- RAM (bytes) :
- 4096
- Core Architecture :
- AVR
- Published :
- 2008
- Number of Serial I/Os :
- 2
- RAM (words) :
- 4096
- Packaging :
- Tape and Reel (TR)
- Number of External Interrupts :
- 3
- Terminal Pitch :
- 0.5mm
- Connectivity :
- I2C, SPI, UART/USART
- Integrated Cache :
- No
- Interface :
- I2C, SPI, UART, USART
- Number of Timers :
- 3
- JESD-30 Code :
- S-PQCC-N44
- Terminal Form :
- NO LEAD
- RoHS :
- Details
- Oscillator Type :
- Internal
- Boundary Scan :
- yes
- Product Status :
- Active
- Memory Type :
- Flash
- Max Supply Voltage :
- 5.5 V
- Memory Size :
- 64KB
- Temperature Grade :
- Industrial
- RoHS Status :
- ROHS3 Compliant
- Core Size :
- 8-Bit
- Min Supply Voltage :
- 1.8 V
- Bit Size :
- 8
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- ROM (words) :
- 32768
- Terminal Position :
- QUAD
- Data Converter :
- A/D 8x10b
- On Chip Data RAM Width :
- 8
- EEPROM Size :
- 2K x 8
- Data Converters :
- A/D 8x10b
- Number of I/O Lines :
- 32
- DMA Channels :
- No
- Program Memory Size :
- 64KB 32K x 16
- Width :
- 7 mm
- Max Operating Temperature :
- 85 °C
- Number of Terminals :
- 44
- Tradename :
- AVR
- ROM Programmability :
- Flash
- Has ADC :
- yes
- CPU Family :
- AVR RISC
- Mounting Type :
- Surface Mount
- Data Bus Width :
- 8B
- Program Memory Type :
- Flash
- Min Operating Temperature :
- -40 °C
- Number of I/Os :
- 32
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Watchdog Timer :
- yes
- Brand :
- Microchip Technology
- Mount :
- Surface Mount
- DAC Channels :
- No
- Number of I/O :
- 32
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Seated Height-Max :
- 1 mm
- Number of Programmable I/O :
- 32
- Datasheets
- ATMEGA644A-MUR
ATMEGA644A-MUR Documents

Microcontrollers Microchip Technology ATMEGA644A-MUR Overview
The Microcontrollers Microchip Technology ATMEGA644A-MUR is a high-performance, low-power AVR 8-bit microcontroller that utilizes Microchip's advanced RISC architecture. Offering a generous 64KB of in-system programmable flash, this MCU is an ideal choice for embedded applications requiring efficiency and reliability. Its compact 44-VQFN packaging makes it perfect for space-conscious projects, while maintaining a rich feature set that includes multiple communication interfaces for versatile connectivity options. Designed to cater to B2B customers, this microcontroller supports a wide range of applications, ensuring robust performance in demanding environments.
ATMEGA644A-MUR Features
This microcontroller includes several features that make it a potent choice for sophisticated digital devices:
- 64KB of in-system programmable flash memory, providing substantial space for application code.
- Advanced RISC Architecture ensures high performance with low power consumption.
- Supports SPI, USART, and I2C interfaces, enhancing connectivity and interoperability with other components.
- 44-pin VQFN package offers a compact footprint suitable for space-limited applications.
- Extensive interrupt system and ADC integration simplify development for complex tasks.
ATMEGA644A-MUR Applications
- Smart Home Devices: Utilizes its I2C interface for sensor integration and data aggregation to streamline smart home automation.
- Industrial Automation Systems: Leverages its robust GPIO suite and timer/counters for precise control and monitoring in industrial settings.
- Automotive Applications: Suitable for non-critical automotive subsystems where reliable operation under varying conditions is crucial.
- Portable Medical Devices: Its low power consumption and high data integrity features make it ideal for portable healthcare monitoring devices.
- Consumer Electronics: Drives user interfaces and other smart features in consumer electronics like smart watches and fitness trackers.
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.
















