ATMEGA644A-PU vs ATMEGA644P-20PQ

This detailed comparison of ATMEGA644A-PU and ATMEGA644P-20PQ in the Embedded - Microcontrollers provides valuable insights into their specifications and features. Key aspects such as Manufacturer, Package, Mounting Type, and core parameters are thoroughly analyzed. This side-by-side comparison simplifies component selection. To learn more, explore their datasheets or request a quote directly.

ATMEGA644A-PU

Roving Networks / Microchip Technology

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ATMEGA644P-20PQ

VIGOR

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Specifications Hide identical items

Manufacturer	Roving Networks / Microchip Technology	VIGOR
Package / Case	40-DIP (0.600", 15.24mm)	40-DIP (0.600", 15.24mm)
Description	IC MCU 8BIT 64KB FLASH 40DIP	IC MCU 8BIT 64KB FLASH 40DIP
In Stock	5 861	524
Mounting Type	Through Hole	Through Hole
Part Status	Active	Active
Series	AVR® ATmega	AVR® ATmega
Package	Tube	Bulk
Core Processor	AVR	AVR
Core Size	8-Bit	8-Bit
Speed	20MHz	20MHz
Connectivity	I²C, SPI, UART/USART	I²C, SPI, UART/USART
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT	Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O	32	32
Program Memory Size	64KB (32K x 16)	64KB (32K x 16)
Program Memory Type	FLASH	FLASH
EEPROM Size	2K x 8	2K x 8
RAM Size	4K x 8	4K x 8
Voltage - Supply (Vcc/Vdd)	1.8V ~ 5.5V	2.7V ~ 5.5V
Data Converters	A/D 8x10b	A/D 8x10b
Oscillator Type	Internal	Internal
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 105°C (TA)
Supplier Device Package	40-PDIP	40-PDIP