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ATMEGA645A-MU

ATMEGA645A-MU

ATMEGA645A-MU

Microchip Technology

64KB 32K x 16 FLASH AVR 8-Bit Microcontroller AVR® ATmega Series ATMEGA645A 64 Pin 16MHz 5V 64-VFQFN Exposed Pad

SOT-23

ATMEGA645A-MU Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 7 Weeks
Contact PlatingTin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 64-VFQFN Exposed Pad
Surface MountYES
Number of Pins 64
Supplier Device Package 64-QFN (9x9)
Number of Terminals 64
Mounting Style SMD/SMT
Interfaces SPI/USART
Data Converters A/D 8x10b
Package Tray
Base Product Number ATMEGA645
Mfr Microchip Technology
Product Status Active
MSL MSL 3 - 168 hours
Qualification -
Number of I/Os 54 I/O
Maximum Operating Temperature+ 85 C
Minimum Operating Temperature - 40 C
Manufacturer Microchip
Brand Microchip Technology
Tradename AVR
RoHS Details
Package Shape SQUARE
Number of I/O Lines 54
Operating Temperature-40°C~85°C TA
PackagingTray
Series AVR® ATmega
Published 1997
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 64
Additional FeatureALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 8 MHZ AND 1.8 V MINIMUM SUPPLY AT 4 MHZ
Terminal Position QUAD
Terminal FormNO LEAD
Supply Voltage 5V
Terminal Pitch0.5mm
Reach Compliance Code compliant
Frequency 16MHz
Base Part Number ATMEGA645A
JESD-30 Code S-PQCC-N64
Qualification StatusNot Qualified
Supply Voltage-Max (Vsup) 5.5V
Power Supplies2/5V
Temperature GradeINDUSTRIAL
Supply Voltage-Min (Vsup) 4.5V
Interface SPI, UART, USART
Memory Size64kB
Oscillator TypeInternal
Number of I/O 54
Speed 16MHz
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 TypeFLASH
Core Size 8-Bit
Program Memory Size 64KB 32K x 16
Connectivity SPI, UART/USART, USI
Supply Current-Max 12 mA
Bit Size 8
Data Converter A/D 8x10b
Watchdog TimerYes
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 Type8-bit Microcontrollers - MCU
ROM (words) 32768
EEPROM Size 2K x 8
CPU Family AVR RISC
RAM (bytes) 4096
ROM Programmability FLASH
Product MCU
Product Category8-bit Microcontrollers - MCU
Device CoreAVR
Length 9mm
Height Seated (Max) 1mm
Width 9 mm
RoHS StatusROHS3 Compliant
In-Stock:1563 items

Pricing & Ordering

QuantityUnit PriceExt. Price
260$4.13031$1073.8806

ATMEGA645A-MU Product Details

ATMEGA645A-MU Overview


This Microcontroller comes in a 64-VFQFN Exposed Pad package. This Microcontroller has 54 I/Os. The Mounting Type of the Microcontroller is Surface Mount. The MCU is based on the 8-Bit core. This Microcontroller's program memory type is FLASH. The Microcontroller runs in -40°C~85°C TA Operating Temperature. Microcontroller runs in AVR® ATmega Series. The size of the program memory of Microcontroller is 64KB 32K x 16. MCU is powered by AVR Core Processor. The device belongs to MICROCONTROLLER, RISC uPs/uCs/Peripheral ICs Type. The MCU has a number of 64 terminals. Microcontroller comes with 8 bit size. The component always operates in 5V supply voltage. MCU chip has NO DMA channels. The part owns 64kB memory size. You can find alternatives through the base part number ATMEGA645A. MCU's frequency is 16MHz. The device works in YES PWM channels. The pin number of the component remains 64. It has 3 timers/counters. The device is embedded with AVR RISC CPU family. To name a few, there are additional features like ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 8 MHZ AND 1.8 V MINIMUM SUPPLY AT 4 MHZ.

ATMEGA645A-MU Features


64-VFQFN Exposed Pad package
Mounting type of Surface Mount


ATMEGA645A-MU Applications


There are a lot of Microchip Technology
ATMEGA645A-MU Microcontroller applications.


  • Automatic control
  • Equipment control
  • Instrument control
  • Toys
  • Robots
  • Radio
  • Television
  • Heater/Fan
  • Calculator
  • Kindle

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