Microchip ATMEGA644P-20AU

Name: Microchip ATMEGA644P-20AU
Brand: Microchip
SKU: ATMEGA644P-20AU
Price: 6.8 USD
Availability: InStock

IC MCU 8BIT 64KB FLASH 44TQFP / MCU 8-bit AVR RISC 64KB Flash 3.3V/5V 44-Pin TQFP Tray

Production

In Stock

Manufacturer Page Datasheet

Price and Stock

Distributor	SKU		MOQ	Pkg
Onlinecomponents.com	ATMEGA644P-20AU	1,380	5	Bulk		6.800	6.130	5.500	5.340	2h
Master Electronics	ATMEGA644P-20AU	1,380	5			6.800	6.130	5.500	5.340	2h
Arrow Electronics	ATMEGA644P-20AU	135	1		7.032	7.032	6.687	6.687	6.687	2h
DigiKey	ATMEGA644P-20AU-ND	6,602	1	Tray	7.050	7.050	5.840	5.840	5.840	2h
TME	ATMEGA644P-20AU	391	1		7.717*	7.291*	6.440*	6.440*	6.440*	2d

Technical Specifications

Physical

Case/PackageTQFP

Contact PlatingTin

MountSurface Mount

Number of Pins44

Technical

Access Time20 µs

Address Bus Width8 b

Core ArchitectureAVR

Data Bus Width8 b

Density512 kb

Frequency20 MHz

Interface2-Wire, I2C, SPI, UART, USART

Max Frequency20 MHz

Max Operating Temperature85 °C

Max Supply Voltage5.5 V

Memory Size64 kB

Memory TypeEEPROM, FLASH

Min Operating Temperature-40 °C

Min Supply Voltage2.7 V

Number of ADC Channels8

Number of Bits8

Number of I2C Channels1

Number of I/Os32

Number of Programmable I/O32

Number of PWM Channels6

Number of SPI Channels1

Number of Timers/Counters3

Oscillator TypeInternal

PeripheralsBrown-out Detect/Reset, POR, PWM, WDT

RAM Size4 kB

Schedule B8542310000

Watchdog TimerYes

Dimensions

Height1.05 mm

Length10.1 mm

Width10.1 mm

Inventory History

Inventory history trend unavailable

CAD Models

Download symbol, footprint, and 3D STEP

Alternate Parts

0 parts available

Documents

Download datasheets and manufacturer documentation for Microchip ATMEGA644P-20AU.

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Datasheet26 pages26 years ago

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Datasheet0 pages0 years ago

Supply Chain

Lifecycle StatusProduction (Last Updated: 3 years ago)

Engineering Resources

View Evaluation kits and Reference designs for Microchip ATMEGA644P-20AU.

Related Parts

Descriptions

Descriptions of Microchip ATMEGA644P-20AU provided by its distributors.

IC MCU 8BIT 64KB FLASH 44TQFP / MCU 8-bit AVR RISC 64KB Flash 3.3V/5V 44-Pin TQFP Tray

Win Source

RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44

Decca Corp

ATmega Series 64 KB Flash 4 KB SRAM 20 MHz 8-Bit Microcontroller - TQFP-44

Future Electronics

ATMEGA644P-20AU, 8bit AVR Microcontroller, 20MHz, 2 kB, 64 kB Flash, 44-Pin TQFP | Microchip Technology Inc. ATMEGA644P-20AU

RS (Formerly Allied Electronics)

Microcontroller Operating temperature: -40...85 °C Power supply: 2.7...5.5 V No. of I/Os: 32 No. of timers: 3 Extras: JTAG Package: TQFP-44 ADC resolution: 10 bit EEPROM: 2 KB Flash memory: 64 KB SRAM: 4 KB

Distrelec

MCU, 8BIT, ATMEGA, 20MHZ, TQFP-44; Product Range: AVR ATmega Family ATmega64 Series Microcontrollers; CPU Speed: 20MHz; Program Memory Size: 64KB; RAM Memory Size: 4KB; No. of Pins: 44Pins; MCU Case Style: TQFP; No. of I/O's: 3

Farnell

A/D Inputs:8-Channel, 10-Bit ;CPU Speed:20 MIPS ;EEPROM Memory:2K Bytes ;Input Output:32 ;Interface:2-Wire/JTAG/SPI/USART ;Memory Type:Flash ;Number of Bits::8 ;Package Type:44-pin TQFP ;Programmable Memory:64K Bytes RAM Size:4K Bytes Speed:20 MHz Timers:

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