ATMEGA644A-AUR
RoHS 
RoHS compliant
RoHS compliantPackage 44-TQFP
Category Integrated Circuits (ICs) / Embedded - Microcontrollers
Description
MCU 8-bit ATmega AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP T/R
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Buying Options
Total Price: USD $4.99
Unit Price: USD $4.9896
≥1 USD $4.9896
≥10 USD $4.5848
≥100 USD $4.1448
Inventory: 7496
Minimum: 1
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Technical Details
Compliance
RoHS Status ROHS3 Compliant
Radiation Hardening No
Dimensions
Length 10mm
Height Seated (Max) 1.2mm
Technical
On Chip Data RAM Width 8
Number of External Interrupts 3
Number of Serial I/Os 2
RAM (words) 4096
Integrated Cache NO
Format FIXED-POINT
Low Power Mode YES
Boundary Scan YES
On Chip Program ROM Width 16
EEPROM Size 2K x 8
Number of Timers/Counters 3
DAC Channels NO
PWM Channels YES
Data Bus Width 8b
DMA Channels NO
Has ADC YES
Watchdog Timer Yes
Data Converter A/D 8x10b
Bit Size 8
Supply Current-Max 9mA
Connectivity I2C, SPI, UART/USART
Program Memory Size 64KB 32K x 16
Core Size 8-Bit
Program Memory Type FLASH
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Core Processor AVR
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC
Voltage - Supply (Vcc/Vdd) 1.8V~5.5V
RAM Size 4K x 8
Number of I/O 32
Oscillator Type Internal
Memory Size 64kB
Interface I2C, SPI, UART, USART
Supply Voltage-Min (Vsup) 1.8V
Power Supplies 2/5V
Supply Voltage-Max (Vsup) 5.5V
Base Part Number ATMEGA644A
Time@Peak Reflow Temperature-Max (s) 40
Frequency 20MHz
Terminal Pitch 0.8mm
Peak Reflow Temperature (Cel) 260
Terminal Form GULL WING
Terminal Position QUAD
Technology CMOS
Subcategory Microcontrollers
Number of Terminations 44
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Part Status Active
Pbfree Code yes
JESD-609 Code e3
Series AVR? ATmega
Published 2008
Packaging Tape & Reel (TR)
Operating Temperature -40°C~85°C TA
Physical
Number of Pins 44
Package / Case 44-TQFP
Mounting Type Surface Mount
Mount Surface Mount
Contact Plating Tin
Supply Chain
Factory Lead Time 6 Weeks
Alternative Model
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