ATMEGA644P-20MQ
RoHS 
RoHS compliant
RoHS compliantPackage 44-VFQFN Exposed Pad
Category Integrated Circuits (ICs) / Embedded - Microcontrollers
Description
IC MCU 8BIT 64KB FLASH 44VQFN
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Technical Details
Compliance
RoHS Status ROHS3 Compliant
Dimensions
Length 7mm
Height Seated (Max) 1mm
Technical
Screening Level TS 16949
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
Data Converter A/D 8x10b
Bit Size 8
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
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
Frequency 20MHz
Terminal Pitch 0.5mm
Supply Voltage 5V
Terminal Form NO LEAD
Terminal Position QUAD
Technology CMOS
Additional Feature OPERATES AT 2.7 V MIN @ 10 MHZ
Number of Terminations 44
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Part Status Active
Pbfree Code yes
Series AVR? ATmega
Published 1997
Packaging Tray
Operating Temperature -40°C~105°C TA
Physical
Number of Pins 44
Package / Case 44-VFQFN Exposed Pad
Mounting Type Surface Mount
Mount Surface Mount
Contact Plating Tin
Supply Chain
Factory Lead Time 7 Weeks
Alternative Model
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