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ATMEGA644P-20MU

ATMEGA644P-20MU

ATMEGA644P-20MU

Microchip Technology

64KB 32K x 16 FLASH AVR 8-Bit Microcontroller AVR® ATmega Series ATMEGA644P 44 Pin 20MHz 5V 44-VFQFN Exposed Pad

SOT-23

ATMEGA644P-20MU Datasheet

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In-Stock: 0 items
Specifications
Name Value
Type Parameter
Factory Lead Time 7 Weeks
Contact Plating Tin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 44-VFQFN Exposed Pad
Surface Mount YES
Number of Pins 44
Supplier Device Package 44-VQFN (7x7)
Number of Terminals 44
Mounting Style SMD/SMT
Data Converters A/D 8x10b
MSL MSL 1 - Unlimited
Qualification -
Interfaces I2C, SPI, UART
Family Name ATmega
Instruction Set Architecture RISC
Dimensions 7.1 x 7.1 x 0.95mm
Typical Operating Supply Voltage 2.7 → 5.5 V
Package Type VQFN
Maximum Operating Temperature +85 °C
Minimum Operating Temperature -40 °C
Number of I/Os 32 I/O
Interface Type 2-Wire, JTAG, SPI
Manufacturer Microchip
Brand Microchip Technology / Atmel
Tradename AVR
RoHS Details
Package Tray
Base Product Number ATMEGA644
Mfr Microchip Technology
Product Status Active
Package Shape SQUARE
Number of I/O Lines 32
Operating Temperature -40°C~85°C TA
Packaging Tray
Series AVR® ATmega
Published 1997
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 44
Termination SMD/SMT
Additional Feature IT ALSO OPERATES AT 10 MHZ WITH THE 2.7 V
Terminal Position QUAD
Terminal Form NO LEAD
Supply Voltage 5V
Terminal Pitch 0.5mm
Reach Compliance Code compliant
Frequency 20MHz
Base Part Number ATMEGA644P
Pin Count 44
JESD-30 Code S-XQCC-N44
Qualification Status Not Qualified
Supply Voltage-Max (Vsup) 5.5V
Power Supplies 3/5 V
Temperature Grade INDUSTRIAL
Supply Voltage-Min (Vsup) 4.5V
Interface 2-Wire, I2C, SPI, UART, USART
Memory Size 64kB
Oscillator Type Internal
Number of I/O 32
Speed 20MHz
RAM Size 4K x 8
Voltage - Supply (Vcc/Vdd) 2.7V~5.5V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC
Core Processor AVR
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Program Memory Type FLASH
Core Size 8-Bit
Program Memory Size 64KB 32K x 16
Connectivity I2C, SPI, UART/USART
Supply Current-Max 9 mA
Bit Size 8
Data Converter A/D 8x10b
Watchdog Timer Yes
Access Time 20 μs
Has ADC YES
DMA Channels NO
Data Bus Width 8b
PWM Channels YES
DAC Channels NO
Seated Height-Max 1 mm
Number of Timers/Counters 3
Product Type 8-bit Microcontrollers - MCU
Density 512 kb
ROM (words) 32768
EEPROM Size 2K x 8
CPU Family AVR RISC
RAM (bytes) 4096
Number of ADC Channels 8
ROM Programmability FLASH
Number of PWM Channels 6
Number of I2C Channels 1
Product MCU
Product Category 8-bit Microcontrollers - MCU
Device Core AVR
Height 950μm
Length 7.1mm
Width 7.1mm
REACH SVHC No SVHC
Radiation Hardening No
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Pricing & Ordering
Quantity Unit Price Ext. Price
1 $7.58000 $7.58
500 $7.5042 $3752.1
1000 $7.4284 $7428.4
1500 $7.3526 $11028.9
2000 $7.2768 $14553.6
2500 $7.201 $18002.5
ATMEGA644P-20MU Product Details

ATMEGA644P-20MU Overview


44-VFQFN Exposed Pad-packages are available. There are 32 I/O ports on this device. Device mounting type Surface Mount is the type of mounting that the Microcontroller uses. There is a 8-Bit core at the core of this MCU. There is a type of program memory called FLASH in the Microcontroller. There is a temperature range of -40°C~85°C TA for this Microcontroller. An electrical component of this type belongs to the AVR® ATmega series. This program memory has a size of 64KB 32K x 16, which indicates what the size of the program memory is. AVR Core processors are used in MCU. Devices of this type belong to the MICROCONTROLLER, RISC power supply/socket/peripheral ICs category. This chip has a total of 44 terminations on MCU chip. You get a 8-bit size. This Microcontroller chip is powered by 5V volts. There are NO DMA channels on this Microcontroller chip. The part has a memory size of 64kB. The base part number ATMEGA644P provides alternatives. This device is extremely efficient when operated at a frequency of 20MHz. Using the PWM channel YES, the device works with the motor. In this chip, 44 pins can be accessed. Using the timer/counter system, it has 3 timers/counters. It has 44 pins in total. In addition to this, the device is embedded with the the AVR RISC CPU family. Some of these features include IT ALSO OPERATES AT 10 MHZ WITH THE 2.7 V, for example, as one example. In total, it has 8 ADC channels for the measurement of signals. As far as the PWM channel count is concerned, the device makes use of 6 channels. As part of the design, the part has been designed to feature 1 channels for I2C communication.

ATMEGA644P-20MU Features


44-VFQFN Exposed Pad package
Mounting type of Surface Mount


ATMEGA644P-20MU Applications


There are a lot of Microchip Technology
ATMEGA644P-20MU Microcontroller applications.


  • Television
  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers
  • Washing machine
  • Microwave ovens
  • Home appliances
  • Home video and audio

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