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ATMEGA645A-AU
Microchip TechnologyRoHS 
RoHS compliant
RoHS compliantPackage 64-TQFP
Category Embedded - Microcontrollers / Embedded - Microcontrollers
Description
MCU, 8BIT, AVR, 64K FLASH, 64TQFP
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Inventory: 116
Minimum: 1
Total Price: USD $12.21
Unit Price: USD $12.21353
≥1 USD $12.21353
≥10 USD $11.5222
≥100 USD $10.87
Technical Details
Supply Chain
Factory Lead Time 7 Weeks
Physical
Contact Plating Tin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 64-TQFP
Number of Pins 64
Technical
Operating Temperature -40°C~85°C TA
Packaging Tray
Published 1997
Series AVR? ATmega
JESD-609 Code e3
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 64
Subcategory Microcontrollers
Technology CMOS
Terminal Position QUAD
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Supply Voltage 5V
Frequency 16MHz
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number ATMEGA645A
Supply Voltage-Max (Vsup) 5.5V
Power Supplies 2/5V
Interface SPI, UART, USART
Memory Size 64kB
Oscillator Type Internal
Number of I/O 54
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 SPI, UART/USART, USI
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
Number of ADC Channels 8
Number of PWM Channels 4
Number of I2C Channels 1
Dimensions
Height 1.05mm
Length 14.1mm
Width 14.1mm
Compliance
Radiation Hardening No
REACH SVHC No SVHC
RoHS Status ROHS3 Compliant
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