ATMEGA644P-20AU
RoHS 
RoHS compliant
RoHS compliantPackage 44-TQFP
Category Integrated Circuits (ICs) / Embedded - Microcontrollers
Description
MCU 8-bit ATmega AVR RISC 64KB Flash 3.3V/5V 44-Pin TQFP
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Buying Options
Total Price: USD $6.2
Unit Price: USD $6.204
≥1 USD $6.204
≥10 USD $5.6848
≥100 USD $5.1392
Inventory: 6388
Minimum: 1
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Technical Details
Supply Chain
Factory Lead Time 7 Weeks
Physical
Contact Plating Tin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 44-TQFP
Number of Pins 44
Technical
Operating Temperature -40°C~85°C TA
Packaging Tray
Published 1997
Series AVR? ATmega
JESD-609 Code e3
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 44
Subcategory Microcontrollers
Technology CMOS
Terminal Position QUAD
Number of I2C Channels 1
Number of PWM Channels 6
Number of ADC Channels 8
EEPROM Size 2K x 8
Density 512 kb
Address Bus Width 8b
Number of Timers/Counters 3
Data Bus Width 8b
DMA Channels NO
Has ADC YES
Access Time 20 μs
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) 2.7V~5.5V
Memory Type EEPROM, FLASH
RAM Size 4K x 8
Number of I/O 32
Oscillator Type Internal
Memory Size 64kB
Interface 2-Wire, I2C, SPI, UART, USART
Supply Voltage-Min (Vsup) 4.5V
Supply Voltage-Max (Vsup) 5.5V
Base Part Number ATMEGA644P
Time@Peak Reflow Temperature-Max (s) 40
Frequency 20MHz
Supply Voltage 5V
Peak Reflow Temperature (Cel) 260
Terminal Form GULL WING
Compliance
Lead Free Lead Free
RoHS Status ROHS3 Compliant
REACH SVHC No SVHC
Radiation Hardening No
Dimensions
Width 10.1mm
Length 10.1mm
Height 1.05mm
Alternative Model
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