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ATMEGA640-16AU 8-Bit AVR microcontroller with 64KB Flash memory, 16MHz clock speed, and 86 I/O pins. Packaged in a 100-TQFP surface-mount package.
Mfr Part #:

ATMEGA640-16AU

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
8-Bit AVR microcontroller with 64KB Flash memory, 16MHz clock speed, and 86 I/O pins. Packaged in a 100-TQFP surface-mount package.
✓ Total Stock: 5,210 pcs

ATMEGA640-16AU Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
5,210 pcs
On Request
5210 pcs On Request 1 On Request On Request On Request On Request On Request
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ATMEGA640-16AU 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
Speed
Supplier Device Package
Voltage
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ATMEGA640-16AU Description

Short technical summary and product information.

The ATMEGA640-16AU is an 8-bit AVR microcontroller from Microchip Technology. It features a 16MHz maximum clock frequency, 64KB of Flash program memory, 8KB of RAM, and 4KB of EEPROM. With 86 I/O lines and a variety of peripherals including brown-out detect/reset, POR, PWM, and WDT, this microcontroller is suitable for embedded control applications. Connectivity options include EBI/EMI, I2C, SPI, and UART/USART. The device operates from 2.7V to 5.5V and has an internal oscillator. It is housed in a 100-TQFP (14x14mm) surface-mount package and rated for -40°C to 85°C operating temperature.

ATMEGA640-16AU Quick Information

Product Type: Microcontroller
Canonical Name: ATMEGA640-16AU 8-Bit AVR Microcontroller with 64KB Flash, 100-TQFP
Subcategory: 8-bit Microcontroller

ATMEGA640-16AU Compliance

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

ATMEGA640-16AU Features

  • 8-bit AVR core with 16MHz maximum clock speed.
  • 64KB Flash program memory with 8KB RAM and 4KB EEPROM.
  • 86 I/O lines with 16-channel 10-bit ADC.
  • Supports I2C, SPI, UART/USART, and EBI/EMI interfaces.
  • Operates from 2.7V to 5.5V with internal oscillator.

ATMEGA640-16AU Applications

  • Ideal for industrial control and automation systems.
  • Suitable for embedded sensor processing and data logging.
  • Used in consumer electronics requiring I/O and connectivity.
  • Applicable in automotive control modules (within temperature range).

ATMEGA640-16AU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range?

2.7V to 5.5V

What is the package type?

100-TQFP (14x14mm)

What is the operating temperature range?

-40°C to 85°C

Is the device RoHS compliant?

RoHS3 Compliant (unverified)

What is the maximum clock frequency?

16 MHz

How much Flash memory does it have?

64KB

How many I/O pins are available?

86

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