Name: ATMEGA644-20MU
Brand: Microchip Technology
SKU: ATMEGA644-20MU
Availability: InStock

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ATMEGA644-20MU

Manufacturer part number:ATMEGA644-20MU

Manufacturer:Microchip Technology

Description:64KB 32K x 16 FLASH AVR 8-Bit Microcontroller AVR® ATmega Series ATMEGA644 44 Pin 20MHz 5V 44-VFQFN Exposed Pad

Case Package:SOT-23

Datasheet:ATMEGA644-20MU Datasheet PDF

RoHs Status:non-compliant

Parameter Name	Value
Type	Parameter
Factory Lead Time	7 Weeks
Lifecycle Status	Production (Last Updated: 2 years ago)
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
Interfaces	SPI/USART
Data Converters	A/D 8x10b
Schedule B	8542310000, 8542310000/8542310000/8542310000/8542310000/8542310000
Number of I/Os	32
RoHS	Compliant
MSL	MSL 3 - 168 hours
Qualification	-
DAC Resolution	-
Maximum Operating Temperature	+ 85 C
Minimum Operating Temperature	- 40 C
Interface Type	I2C, SPI, USART
Manufacturer	Microchip
Brand	Microchip Technology
Tradename	AVR
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
JESD-609 Code	e3
Pbfree Code	yes
Part Status	Active
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Number of Terminations	44
Terminal Finish	Matte Tin (Sn)
Max Operating Temperature	85 °C
Min Operating Temperature	-40 °C
Additional Feature	ALSO OPERATES AT 2.7V SUPPLY AT 10 MHZ
Terminal Position	QUAD
Terminal Form	NO LEAD
Peak Reflow Temperature (Cel)	260
Supply Voltage	5V
Terminal Pitch	0.5mm
Reach Compliance Code	compliant
Frequency	20MHz
Time@Peak Reflow Temperature-Max (s)	40
Base Part Number	ATMEGA644
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
Max Supply Voltage	5.5 V
Min Supply Voltage	2.7 V
Memory Size	64kB
Oscillator Type	Internal
Number of I/O	32
Speed	20MHz
RAM Size	4K x 8
Memory Type	FLASH
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
ROM (words)	32768
Core Architecture	AVR
EEPROM Size	2K x 8
CPU Family	AVR RISC
Max Frequency	20 MHz
Number of Programmable I/O	32
RAM (bytes)	4096
Number of ADC Channels	8 Channel
ROM Programmability	FLASH
Product	MCU
Product Category	8-bit Microcontrollers - MCU
Device Core	AVR
Length	7mm
Height Seated (Max)	1mm
Width	7 mm
Height	0.88 mm
REACH SVHC	No SVHC
Radiation Hardening	No
RoHS Status	ROHS3 Compliant
Lead Free	Lead Free

ATMEGA644-20MU Product Details

ATMEGA644-20MU Overview

It comes in a 44-VFQFN Exposed Pad package. It has a number of 32I/Os. The Mounting Type of the device is Surface Mount. It is based on the 8-Bit. The It?ˉs Program Memory Type is FLASH. The device runs in -40??C~85??C TA Operating Temperature. It runs in AVR? ATmega Series.

ATMEGA644-20MU Features

AVR? ATmega series
Base part number of ATMEGA644
Additional features of ALSO OPERATES AT 2.7V SUPPLY AT 10 MHZ
44 Terminals
Based on the 8-Bit
Comes with 44 Pins

ATMEGA644-20MU Applications

There are a lot of Microchip Technology ATMEGA644-20MU Microcontroller applications. ATMEGA644-20MU MCU is usually applied for Measurement and control field, Consumer electronics products, Network communication, mobile communication, Office automation equipment and computer peripherals, Industrial control Instrumentation and process control, Agriculture, transportation, Navigation control, Network application, Metering & measurement, Day to day life, Safety, Medical instruments and Automobile industry.