ATMEGA644-20PU

Part No :: ATMEGA644-20PU

Manufacturer: Roving Networks / Microchip Technology

VIGOR # :: 3648135

Description: IC MCU 8BIT 64KB FLASH 40DIP

Catalog: Embedded - Microcontrollers

DataSheet: ATMEGA644-20PU PDF

Country of origin: -

Date code: -

ATMEGA644-20PU Specifications

Type	Description
Series:	AVR® ATmega
Package:	Tube
Part Status:	Active
Core Processor:	AVR
Core Size:	8-Bit
Speed:	20MHz
Connectivity:	I²C, SPI, UART/USART
Peripherals:	Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:	32
Program Memory Size:	64KB (32K x 16)
Program Memory Type:	FLASH
EEPROM Size:	2K x 8
RAM Size:	4K x 8
Voltage - Supply (Vcc/Vdd):	2.7V ~ 5.5V
Data Converters:	A/D 8x10b
Oscillator Type:	Internal
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Through Hole
Package / Case:	40-DIP (0.600", 15.24mm)
Supplier Device Package:	40-PDIP

Alternative Products

Part Number	Manufacturer & Description	Compare
ATMEGA644PA-PU Match 100%	Roving Networks / Microchip Technology IC MCU 8BIT 64KB FLASH 40DIP	ATMEGA644-20PU vs ATMEGA644PA-PU
ATMEGA644PV-10PQ Match 74%	Roving Networks / Microchip Technology IC MCU 8BIT 64KB FLASH 40DIP	ATMEGA644-20PU vs ATMEGA644PV-10PQ
ATMEGA644P-20PQ Match 100%	VIGOR IC MCU 8BIT 64KB FLASH 40DIP	ATMEGA644-20PU vs ATMEGA644P-20PQ
ATMEGA644A-PU Match 100%	Roving Networks / Microchip Technology IC MCU 8BIT 64KB FLASH 40DIP	ATMEGA644-20PU vs ATMEGA644A-PU
ATMEGA644P-20PU Match 100%	Roving Networks / Microchip Technology IC MCU 8BIT 64KB FLASH 40DIP	ATMEGA644-20PU vs ATMEGA644P-20PU
ATMEGA644PV-10PU Match 74%	VIGOR IC MCU 8BIT 64KB FLASH 40DIP	ATMEGA644-20PU vs ATMEGA644PV-10PU

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In Stock: 71

Shipped from

HK warehouse

Expected Shipping Date

Oct 22 - Oct 26 2026

Pricing(USD)

Quantity	Unit Price	Ext. Price
1	~~$6.3700~~	~~$6.37~~
25	~~$5.8350~~	~~$145.88~~
100	~~$5.2779~~	~~$527.79~~

Current price of ATMEGA644-20PU is for reference only, if you want to get best price, please submit a inquiry or direct email to our sales team sales@Vigorcomp.com

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ATMEGA644-20PU

ATMEGA644-20PU

3648135

Pricing(USD)