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ATMEGA644A-AU

Microchip Technology
RoHS
RoHS RoHS compliant
Package 44-TQFP
Category Integrated Circuits (ICs) / Embedded - Microcontrollers
Description MCU 8-Bit ATmega AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP
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Inventory: 1393
Minimum: 1
Total Price: USD $3.75
Unit Price: USD $3.748512
≥1 USD $3.748512
≥10 USD $3.638262
≥100 USD $3.528011
≥500 USD $3.390198

Technical Details

Supply Chain

Factory Lead Time 7 Weeks

Physical

Contact Plating Tin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 44-TQFP
Number of Pins 44

Technical

Operating Temperature -40°C~85°C TA
Packaging Tray
Published 2008
Series AVR? ATmega
JESD-609 Code e3
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 44
Subcategory Microcontrollers
Technology CMOS
Terminal Position QUAD
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Frequency 20MHz
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number ATMEGA644A
Supply Voltage-Max (Vsup) 5.5V
Power Supplies 2/5V
Interface I2C, SPI, UART, USART
Memory Size 64kB
Oscillator Type Internal
Number of I/O 32
RAM Size 4K x 8
Voltage - Supply (Vcc/Vdd) 1.8V~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 9mA
Bit Size 8
Data Converter A/D 8x10b
Watchdog Timer Yes
Has ADC YES
DMA Channels NO
Data Bus Width 8b
Number of Timers/Counters 3
EEPROM Size 2K x 8
Boundary Scan YES
Low Power Mode YES
Format FIXED-POINT
Integrated Cache NO
Number of ADC Channels 8
Number of Serial I/Os 2
Number of External Interrupts 3
Number of PWM Channels 6
Number of I2C Channels 1

Dimensions

Height 1.05mm
Length 10mm
Width 10mm

Compliance

Radiation Hardening No
REACH SVHC No SVHC
RoHS Status ROHS3 Compliant
Lead Free Lead Free

Alternative Model

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