ATMEGA644P-20PQ The Microchip Technology ATMEGA644P-20PQ is an 8-bit microcontroller featuring 64KB of FLASH program memory and operating at speeds up to 20MHz. It is housed in a 40-DIP through-hole package.
Mfr Part #:

ATMEGA644P-20PQ

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology ATMEGA644P-20PQ is an 8-bit microcontroller featuring 64KB of FLASH program memory and operating at speeds up to 20MHz. It is housed in a 40-DIP through-hole package.
✓ Total Stock: 21,516 pcs

ATMEGA644P-20PQ Available from 1 distributor

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21,516 pcs
21516 pcs On Request 1 On Request On Request 2020+ On Request On Request

ATMEGA644P-20PQ 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

ATMEGA644P-20PQ Description

Short technical summary and product information.

The Microchip Technology ATMEGA644P-20PQ is an 8-bit microcontroller based on the AVR enhanced RISC architecture. It offers a high-performance, low-power solution with 64KB of in-system self-programmable Flash program memory and 4KB of internal SRAM. The device operates at speeds up to 20MHz and supports a supply voltage range of 2.7V to 5.5V.

 

Key peripherals include an 8-channel, 10-bit Analog-to-Digital converter, I2C, SPI, and UART/USART interfaces, along with a programmable Watchdog Timer and Pulse Width Modulation (PWM) capabilities. It features 32 programmable I/O lines and operates within an industrial temperature range of -40°C to 105°C.

 

This microcontroller is designed for through-hole mounting and comes in a 40-PDIP package. Its robust feature set makes it suitable for applications in industrial automation, consumer electronics, and medical devices.

ATMEGA644P-20PQ Quick Information

Product Type: Microcontroller
Series: AVR® ATmega
Canonical Name: Microchip Technology ATMEGA644P-20PQ 8-Bit Microcontroller
Subcategory: 8-Bit

ATMEGA644P-20PQ Compliance

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

ATMEGA644P-20PQ Features

  • 8-bit AVR microcontroller architecture.
  • 64KB Flash program memory.
  • 4KB internal SRAM.
  • 20MHz maximum operating speed.
  • 40-DIP through-hole package.

ATMEGA644P-20PQ Applications

  • Suitable for industrial automation control systems.
  • Ideal for consumer electronics with embedded control.
  • Used in medical device microcontroller applications.
  • Applicable in IoT devices requiring low-power operation.
  • Suitable for educational microcontroller development projects.

ATMEGA644P-20PQ FAQs

7 frequently asked questions generated from this part’s specifications.
What is the program memory size of the ATMEGA644P-20PQ?

The ATMEGA644P-20PQ has 64KB of FLASH program memory.

What is the operating speed of the ATMEGA644P-20PQ?

The ATMEGA644P-20PQ operates at a speed of 20MHz.

What is the operating voltage range for the ATMEGA644P-20PQ?

The ATMEGA644P-20PQ operates within a voltage range of 2.7V to 5.5V.

What is the operating temperature range of the ATMEGA644P-20PQ?

The ATMEGA644P-20PQ operates within a temperature range of -40°C to 105°C.

What package type is the ATMEGA644P-20PQ available in?

The ATMEGA644P-20PQ is available in a 40-DIP package.

What are the connectivity options for the ATMEGA644P-20PQ?

The ATMEGA644P-20PQ supports I2C, SPI, and UART/USART interfaces.

What peripherals are integrated into the ATMEGA644P-20PQ?

The ATMEGA644P-20PQ includes Brown-out Detect/Reset, POR, PWM, and WDT peripherals.

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