The ATmega644A-MUR is an 8-bit microcontroller from the AVR¬Æ series, designed for low power consumption and high performance. It operates at speeds up to 20 MHz and features a 64 KB Flash program memory, 4 KB SRAM, and 2 KB EEPROM. The device supports various connectivity options including I2C, SPI, and UART/USART, making it versatile for embedded applications. It includes 32 programmable I/O lines and multiple peripherals such as timers, PWM channels, and an 8-channel 10-bit ADC. The microcontroller operates within a voltage range of 1.8V to 5.5V and is available in a 44-VQFN package. It is suitable for applications requiring reliable performance in a temperature range of -40¬8C to 85¬8C. The ATmega644A-MUR also supports in-system programming and features like brown-out detection and a watchdog timer for enhanced reliability.
Win Source Part Number: 1135654-ATMEGA644A-M
Category: Integrated Circuits (ICs)>Embedded - Microcontrollers
Series: AVR® ATmega
Core Processor: AVR
Speed: 20MHz
Package: Tape & Reel
Standard Package: 4,000
Mounting: SMD (SMT)
Core Size: 8-Bit
Connectivity: I2C, SPI, UART/USART
Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O: 32
Program Memory Size: 64KB (32K x 16)
Program Memory Type: FLASH
EEPROM Size: 2K x 8
RAM Size: 4K x 8
Data Converters: A/D 8x10b
Oscillator Type: Internal
Package / Case: 44-VFQFN Exposed Pad
Supplier Device Package: 44-VQFN (7x7)
Temperature Range - Operating: -40°C ~ 85°C (TA)
Supply Voltage - Operating: 1.8V ~ 5.5V
ECCN: EAR99
Fake Threat In the Open Market: 46 pct.
MSL Level: 3 (168 Hours)
REACH Status: REACH Unaffected
HTSUS: 8542.31.0001
Mfr: Microchip Technology
Other Names: ATMEGA644A-MURTR,ATM
Base Product Number: ATMEGA644
AVR AVR® ATmega Microcontroller IC 8-Bit 20MHz 64KB (32K x 16) FLASH 44-VQFN (7x7)
AVR AVR® ATmega Microcontroller IC 8-Bit 20MHz 64KB (32K x 16) FLASH 44-VQFN (7x7)
AVR AVR® ATmega Microcontroller IC 8-Bit 20MHz 64KB (32K x 16) FLASH 44-VQFN (7x7)
IC MCU 8BIT 64KB FLASH 44VQFN Product overview: ATMEGA644A-MUR from Microchip Technology is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 8-bit, 8BIT, 64KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 8BIT, 64KB, Embedded Microcontroller MCU. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-ATMEGA644A-MUR can be used for catalog matching and distributor lookup.
IC MCU 8BIT 64KB FLASH 44VQFN
IC MCU 8BIT 64KB FLASH 44VQFN
AVR AVR® ATmega Microcontroller IC 8-Bit 20MHz 64KB (32K x 16) FLASH 44-VQFN (7x7)
IC MCU 8BIT 64KB FLASH 44VQFN
8-bit Microcontrollers - MCU 20 MHz Ind Temp
| Win Source Electronics | DigiKey | ERSAELECTRONICS PTE. LTD. | ODG (Origin Data Global) | Shenzhen Shengyu Electronics Technology Limited | Quarktwin Technology Ltd. | Lingto Electronic Limited | VAST STOCK CO., LIMITED | |
|---|---|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | 1135654-ATMEGA644A-MUR | ATMEGA644A-MURDKR-ND | 685-ATMEGA644A-MUR | ATMEGA644A-MUR | ATMEGA644A-MUR | ATMEGA644A-MUR | ATMEGA644A-MUR | ATMEGA644A-MUR |
| Product Name | Integrated Circuits (ICs) - Embedded - Microcontrollers | Microcontrollers | 8-bit 8BIT 64KB Embedded Microcontroller MCU | Microcontrollers | Integrated Circuits (ICs) - Embedded - Microcontrollers | Microcontrollers | Embedded - Microcontrollers | 8-bit Microcontrollers - MCU |
| Data Bus | 8 Bit | 8 Bit | 8 Bit | 8 Bit | 8 Bit | 8 Bit; 8-Bit | 8 Bit; 8-Bit | |
| Clock Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | ||
| RAM | 64 KB | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | ||
| ROM | 2 KB | 64 KB | ||||||
| ROM Type | Flash; FLASH | Flash | Flash; FLASH | Flash; FLASH |
