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