ATMEGA644-20AU

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ATMEGA644-20AU

Manufacturer part number:ATMEGA644-20AU

Manufacturer:Microchip Technology

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

Case Package:SOT-23

Datasheet:ATMEGA644-20AU Datasheet

RoHs Status:non-compliant

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-TQFP
Surface Mount	YES
Number of Pins	44
Supplier Device Package	44-TQFP (10x10)
Number of Terminals	44
Mounting Style	SMD/SMT
Interfaces	JTAG/SPI/TWI/USART
Enclosure	TQFP 44 (10x10)
Manuf. code	MCP
Max. operating temperature	+85°C
Manufacturer	Microchip Technology
Data Converters	A/D 8x10b
Schedule B	8542310000, 8542310000/8542310000, 8542310000/8542310000/8542310000, 8542310000/8542310000/8542310000/8542310000
Number of I/Os	32
RoHS	Compliant
Family Name	ATmega
Instruction Set Architecture	RISC
Dimensions	10.1 x 10.1 x 1.05mm
Typical Operating Supply Voltage	5.5 (Maximum) V
Package Type	TQFP
Maximum Operating Temperature	+85 °C
Minimum Operating Temperature	-40 °C
MSL	MSL 3 - 168 hours
Qualification	-
DAC Resolution	-
Interface Type	I2C, SPI, USART
Brand	Microchip Technology / Atmel
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
ECCN Code	EAR99
Type	ATMEGA644-20AU
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
HTS Code	8542.31.00.01
Terminal Position	QUAD
Terminal Form	GULL WING
Peak Reflow Temperature (Cel)	260
Supply Voltage	5V
Terminal Pitch	0.8 mm
Reach Compliance Code	unknown
Frequency	20MHz
Time@Peak Reflow Temperature-Max (s)	40
Base Part Number	ATMEGA644
Pin Count	44
JESD-30 Code	S-PQFP-G44
Number of Outputs	32
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
Number of Bits	8
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
Number of Inputs	32
DAC Channels	NO
Seated Height-Max	1.2 mm
Number of Timers/Counters	3
Product Type	8-bit Microcontrollers - MCU
Density	512 kb
ROM (words)	32768
Core Architecture	AVR
EEPROM Size	2K x 8
On Chip Program ROM Width	16
CPU Family	AVR RISC
Max Frequency	20 MHz
Number of Programmable I/O	32
Number of UART Channels	1
RAM (bytes)	4096
Number of ADC Channels	8
ROM Programmability	FLASH
Number of PWM Channels	6
Number of I2C Channels	1
Number of SPI Channels	1
Product	MCU
Can	0
Product Category	8-bit Microcontrollers - MCU
Clock Speed	20
Flash Memory	64
Adc Channels	8
Adc Resolution	10
Device Core	AVR
Height	1mm
Length	10mm
Width	10mm
REACH SVHC	No SVHC
Radiation Hardening	No
RoHS Status	ROHS3 Compliant
Lead Free	Lead Free