Operating Temperature -40°C~85°C TA
Packaging Tray
Published 2011
Series AVR? ATmega
JESD-609 Code e3
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 64
Additional Feature ALSO OPERATES AT 1.8 V MINIMUM SUPPLY AT 4 MHZ
Subcategory Microcontrollers
Technology CMOS
Terminal Position QUAD
Peak Reflow Temperature (Cel) 260
Supply Voltage 3V
Terminal Pitch 0.5mm
Frequency 8MHz
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number ATMEGA645
Supply Voltage-Max (Vsup) 5.5V
Power Supplies 2/5V
Supply Voltage-Min (Vsup) 2.7V
Number of Programmable I/O 54
EEPROM Size 2K x 8
Number of Timers/Counters 3
DAC Channels NO
PWM Channels YES
Data Bus Width 8b
DMA Channels NO
Has ADC YES
Access Time 8 μs
Watchdog Timer Yes
Data Converter A/D 8x10b
Bit Size 8
Connectivity SPI, UART/USART, USI
Program Memory Size 64KB 32K x 16
Core Size 8-Bit
Program Memory Type FLASH
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Core Processor AVR
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC
Voltage - Supply (Vcc/Vdd) 1.8V~5.5V
RAM Size 4K x 8
Number of I/O 53
Oscillator Type Internal
Memory Size 64kB
Interface SPI, UART, USART