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ATMEGA645-16AUR The Microchip Technology ATMEGA645-16AUR is an 8-bit AVR microcontroller featuring 64KB of Flash memory and operating at speeds up to 16MHz. It is housed in a 64-TQFP package.
Mfr Part #:

ATMEGA645-16AUR

Available from 2 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology ATMEGA645-16AUR is an 8-bit AVR microcontroller featuring 64KB of Flash memory and operating at speeds up to 16MHz. It is housed in a 64-TQFP package.
✓ Total Stock: 23,174 pcs

ATMEGA645-16AUR Available from 2 distributors

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
21,554 pcs
On Request
21554 pcs On Request 1 On Request On Request 2020+ On Request On Request
Braun Electronic Components ✓
Non-Authorised Inventory information
1,620 pcs
On Request
1620 pcs On Request 1 On Request On Request On Request On Request On Request
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ATMEGA645-16AUR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
EEPROM Size
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
SVHC Present
Speed
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ATMEGA645-16AUR Description

Short technical summary and product information.

The ATMEGA645-16AUR is an 8-bit microcontroller from Microchip Technology, based on the high-performance, low-power AVR architecture. It offers a robust set of features including 64KB of in-system self-programmable Flash program memory and 4KB of internal SRAM. This device operates at speeds up to 16MHz and supports a voltage range of 2.7V to 5.5V.

 

Key peripherals include an 8-channel, 10-bit Analog-to-Digital Converter (ADC), multiple timer/counters, PWM channels, and various communication interfaces such as SPI, UART/USART, and USI. The microcontroller also features essential system functions like Power-on Reset, Programmable Brown-out Detection, and multiple sleep modes for power efficiency.

 

Designed for surface mounting, the ATMEGA645-16AUR comes in a 64-lead TQFP package (14x14mm). Its operating temperature range is -40°C to 85°C, making it suitable for industrial applications. The device supports in-system programming via its on-chip boot program or through the JTAG interface.

ATMEGA645-16AUR Quick Information

Product Type: Microcontroller
Series: ATmega
Canonical Name: ATMEGA645-16AUR 8-Bit AVR Microcontroller
Subcategory: 8-Bit Microcontroller

ATMEGA645-16AUR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

ATMEGA645-16AUR Features

  • 8-bit AVR microcontroller architecture.
  • 64KB Flash program memory.
  • 4KB internal SRAM.
  • 16MHz maximum operating speed.
  • 64-TQFP surface mount package.

ATMEGA645-16AUR Applications

  • Embedded control systems.
  • Industrial automation.
  • Consumer electronics.
  • Data acquisition systems.

ATMEGA645-16AUR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the program memory size of the ATMEGA645-16AUR?

The ATMEGA645-16AUR has 64KB of Flash program memory.

What is the operating voltage range for the ATMEGA645-16AUR?

The operating voltage range is 2.7V to 5.5V.

What is the operating temperature range for this microcontroller?

The operating temperature range is -40°C to 85°C.

What package type is the ATMEGA645-16AUR supplied in?

It is supplied in a 64-TQFP package.

Does the ATMEGA645-16AUR have an internal oscillator?

Yes, it features an internal oscillator.

What is the RAM size of the ATMEGA645-16AUR?

The ATMEGA645-16AUR has 4KB of internal SRAM.

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