ATMEGA644A-AUR
- Mfr.Part #
- ATMEGA644A-AUR
- Manufacturer
- Microchip Technology
- Package / Case
- 44-TQFP
- Datasheet
- Download
- Description
- IC MCU 8BIT 64KB FLASH 44TQFP
- Stock
- 18,508
- In Stock :
- 18,508
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Number of Terminals :
- 44
- Length :
- 10mm
- Number of Programmable I/O :
- 32
- Number of Timers/Counters :
- 3
- Mounting Style :
- SMD/SMT
- Surface Mount :
- yes
- Bit Size :
- 8
- PWM Channels :
- yes
- Published :
- 2008
- Program Memory Size :
- 64KB 32K x 16
- RAM (bytes) :
- 4096
- RoHS Status :
- ROHS3 Compliant
- Product Type :
- 8-bit Microcontrollers - MCU
- Interfaces :
- SPI/USART
- Product Category :
- 8-bit Microcontrollers - MCU
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Terminal Position :
- QUAD
- Reach Compliance Code :
- Compliant
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Mounting Type :
- Surface Mount
- Contact Plating :
- Tin
- Base Part Number :
- ATMEGA644A
- Max Frequency :
- 20 MHz
- Data Converter :
- A/D 8x10b
- Low Power Mode :
- yes
- Number of ADC Channels :
- 8 Channel
- Manufacturer :
- Microchip
- On Chip Program ROM Width :
- 16
- Schedule B :
- 8542310000
- Data Bus Width :
- 8B
- Voltage - Supply (Vcc/Vdd) :
- 1.8V~5.5V
- Number of I/O :
- 32
- Pbfree Code :
- yes
- Boundary Scan :
- yes
- Tradename :
- AVR
- Terminal Finish :
- Matte Tin (Sn)
- Terminal Form :
- Gull wing
- Format :
- FIXED-POINT
- Memory Size :
- 64KB
- Core Size :
- 8-Bit
- Packaging :
- Tape and Reel (TR)
- Base Product Number :
- ATMEGA644
- Max Supply Voltage :
- 5.5 V
- Memory Type :
- Flash
- Product Status :
- Active
- RAM Size :
- 4K x 8
- Number of External Interrupts :
- 3
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Number of Timers :
- 3
- Number of I/Os :
- 32 I/O
- Brand :
- Microchip Technology / Atmel
- Number of Terminations :
- 44
- Max Operating Temperature :
- 85 °C
- Peak Reflow Temperature (Cel) :
- 260
- Maximum Operating Temperature :
- + 85 C
- EEPROM Size :
- 2K x 8
- Min Operating Temperature :
- -40 °C
- Radiation Hardening :
- No
- Program Memory Type :
- Flash
- Temperature Grade :
- Industrial
- Terminal Pitch :
- 0.8mm
- Data Converters :
- A/D 8x10b
- DAC Channels :
- No
- ROM (words) :
- 32768
- Supply Voltage-Max (Vsup) :
- 5.5V
- Min Supply Voltage :
- 1.8 V
- Integrated Cache :
- No
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Qualification :
- -
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- RAM (words) :
- 4096
- Number of I/O Lines :
- 32
- Has ADC :
- yes
- RoHS :
- Details
- Seated Height-Max :
- 1.2 mm
- Core Processor :
- AVR
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Operating Temperature :
- -40°C~85°C TA
- ROM Programmability :
- Flash
- Package Shape :
- Square
- Supply Current-Max :
- 9 mA
- JESD-30 Code :
- S-PQFP-G44
- Supplier Device Package :
- 44-TQFP (10x10)
- JESD-609 Code :
- e3
- Connectivity :
- I2C, SPI, UART/USART
- DMA Channels :
- No
- Speed :
- 20MHz
- Interface Type :
- 2-Wire, SPI, USART
- Power Supplies :
- 2/5V
- Supply Voltage-Min (Vsup) :
- 1.8V
- Frequency :
- 20MHz
- Series :
- AVR® ATmega
- Height Seated (Max) :
- 1.2mm
- Number of Pins :
- 44
- Core Architecture :
- AVR
- CPU Family :
- AVR RISC
- Package / Case :
- 44-TQFP
- Mount :
- Surface Mount
- MSL :
- MSL 3 - 168 hours
- Width :
- 10 mm
- Oscillator Type :
- Internal
- Watchdog Timer :
- yes
- Minimum Operating Temperature :
- - 40 C
- Factory Lead Time :
- 6 Weeks
- Device Core :
- AVR
- Number of Serial I/Os :
- 2
- On Chip Data RAM Width :
- 8
- Qualification Status :
- Not Qualified
- Product :
- MCU
- Interface :
- I2C, SPI, UART, USART
- Datasheets
- ATMEGA644A-AUR

Microcontrollers Microchip Technology ATMEGA644A-AUR Overview
The ATMEGA644A-AUR from Microchip Technology is a high-performance microcontroller tailored for advanced embedded systems. This robust unit is part of Microchip's extensive range of 8-bit MCUs, designed to offer both reliability and efficiency. Optimized for industrial-level applications, the ATMEGA644A-AUR integrates a rich set of features into a compact 44TQFP package, making it an excellent choice for designers looking for versatile and powerful MCU options. The Microcontrollers Microchip Technology ATMEGA644A-AUR is engineered to support complex digital devices with its extensive memory capabilities and flexible interfacing options, making it ideally suited for scaling sophisticated control systems and smart connectivity solutions.
ATMEGA644A-AUR Features
The ATMEGA644A-AUR microcontroller is loaded with capabilities that enhance its functionality and usability in demanding applications. Key features include a robust 8-bit processor, 64KB of in-system programmable flash memory, and a variety of peripherals such as USART, SPI, and a 10-bit ADC. These features ensure that the device can handle multiple tasks efficiently and support advanced digital communication protocols. Additional attributes such as its extended temperature range and low-power consumption make it an adaptable and durable choice for challenging environments.
ATMEGA644A-AUR Applications
- Industrial Automation: Integrates seamlessly into control systems for sensors, actuators, and other monitoring devices, enhancing automation reliability and precision.
- Smart Home Devices: Powers a wide range of home automation products, including smart thermostats and lighting systems, offering enhanced connectivity and control.
- Automotive Applications: Utilized in automotive electronics for managing vehicle dynamics and improving infotainment systems, contributing to safer and more enjoyable driving experiences.
- Consumer Electronics: Drives the functionality in devices such as portable health monitors and gaming interfaces, where efficient processing and task management are crucial.
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