• ATMEGA644-20AU
  • ATMEGA644-20AU
  • ATMEGA644-20AU
  • ATMEGA644-20AU
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IC, 8BIT MCU, AVR MEGA, 20MHZ, 44-TQFP Controller ;Family/Series: AVR MEGA Core Size: 8 bit No. of I/O's: 32 ;Program Memory Size: 64 KB EEPROM Memory Size: 2048Byte RAM Memory Size: 4KB ;CPU Speed: 20MHz

number_of_i_o_pins32
supply_voltage_dc5.00 V, 5.50 V (max)
access_time20.0 µs
reach_svhc_complianceNo SVHC
lead_free_statusLead Free
mounting_styleSurface Mount
packagingTray, Pack
case_packageTQFP
ram_bytes4096 B
clock_speed20.0 MHz
core_architectureAVR
number_of_bits10
rohs_statusCompliant
pin_count44
flash_memory_bytes65536 B
Controller Family/SeriesATmega
CPU Speed20MHz
Program Memory Size64KB
RAM Memory Size4KB
No. of Pins44Pins
MCU Case StyleTQFP
No. of I/O's32I/O's
Embedded Interface TypeI2C, SPI, UART
Supply Voltage Min2.7V
Supply Voltage Max5.5V
PackagingEach
Product RangeATMega Microcontrollers
Automotive Qualification Standard-
RoHS Phthalates CompliantYes
MSLMSL 3 - 168 hours
SVHCNo SVHC (17-Dec-2015)
Device MarkingATMEGA644-20AU
EEPROM Memory Size2KB
Flash Memory Size64KB
Logic Function Number644
MCU FamilymegaAVR
MCU SeriesATmega64
MPU Core Size8bit
Memory TypeFlash
No. of ADC Inputs8
No. of Bits10bit
No. of PWM Channels6
No. of Timers3
Number of bits In Timer16
Number of bits in ADC10
Operating Temperature Max85°C
Operating Temperature Min-40°C
Operating Temperature Range-40°C to +85°C
Oscillator TypeRC Oscillator
PeripheralsADC, Comparator
Supply Voltage Range2.7V to 5.5V
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