MPNHarborRFQ 0
ATMEGA644P-20AQ representative package visual — not an exact-product photograph
Representative package visual — not an exact-product photographProduct referenceVendor-delivered DigiKey product/package image
Exact MPN20 sourced attributes1 source document

Microchip Technology · exact orderable part

ATMEGA644P-20AQ

IC MCU 8BIT 64KB FLASH 44TQFP

Core Processor
AVR
Speed
20MHz
Program Memory Size
64KB (32K x 16)
RAM Size
4K x 8
Voltage - Supply (Vcc/Vdd)
2.7V ~ 5.5V
Package / Case
44-TQFP
Original manufacturerCommercial terms confirmed per lot
ManufacturerMicrochip Technology
Package / case44-TQFP
Mounting typeSurface Mount
PackingTray

Technical parameters

Technical specifications

20 normalized values · 1 validated source

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ParameterValue
Base Product NumberATMEGA644 [1]
ConnectivityI²C, SPI, UART/USART [1]
Core ProcessorAVR [1]
Core Size8-Bit [1]
Data ConvertersA/D 8x10b [1]
EEPROM Size2K x 8 [1]
MfrMicrochip Technology [1]
Mounting TypeSurface Mount [1]
Number of I/O32 [1]
Operating Temperature-40°C~105°C(TA) [1]
Oscillator TypeInternal [1]
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT [1]
Product StatusActive [1]
Program Memory Size64KB (32K x 16) [1]
Program Memory TypeFLASH [1]
RAM Size4K x 8 [1]
SeriesAVR® ATmega [1]
Speed20MHz [1]
Voltage - Supply (Vcc/Vdd)2.7V ~ 5.5V [1]
Package / Case44-TQFP [1]
Specification references[1]Microchip Technology ATMEGA644P-20AQ vendor product record ↗

Catalog relationships

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This page describes one orderable part. A family page helps select suffixes but never carries assumed stock or a price.

ManufacturerMicrochip TechnologyView brand page →CategoryMicrocontrollersView category page →

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