Image shown is representative only. Exact specifications should be obtained from the product datasheet.
Microchip Technology ATMEGA644P-20PU
Manufacturer
Manufacturer Product Number
ATMEGA644P-20PU
Description
IC MCU 8BIT 64KB FLASH 40DIP
Manufacturer Standard Lead Time Contact us
Detailed Description
AVR AVR® ATmega Microcontroller IC 8-Bit 20MHz 64KB (32K x 16) FLASH 40-PDIP
Datasheet View datasheet
EDA/CAD Models
Product Attributes
Type
Description
Manufacturer
Microchip Technology
Number of I/O
32
Operating Temperature
-40°C ~ 85°C (TA)
DigiKey Programmable
Not Verified
Oscillator Type
Internal
Program Memory Type
FLASH
EEPROM Size
2K x 8
Core Processor
AVR
Data Converters
A/D 8x10b
Core Size
8-Bit
Mounting Type
Through Hole
Supplier Device Package
40-PDIP
Speed
20MHz
Program Memory Size
64KB (32K x 16)
RAM Size
4K x 8
Package / Case
40-DIP (0.600", 15.24mm)
Voltage - Supply (Vcc/Vdd)
2.7V ~ 5.5V
Connectivity
I2C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Documents & Media
Resource Type
Link
Design Resources
Training Modules
Environmental Information
Product Change Notices
Featured Products
Additional Resources
Attribute
Description
Part Number Alias
ATMEGA644P-20PU
1245866
ATMEGA644P-20PU-ND
Availability
In Stock
Updated
5/16/2026
In-Stock: 165
Packaging Quantity Unit Price Ext Price
1 195.000 ₫ 195.000 ₫
195.000 ₫
All prices are shown in the selected currency
Tube · Digikey
Quantity Unit Price Ext Price
1
195.000 ₫
195.000 ₫
25
179.000 ₫
4.475.000 ₫
100
162.000 ₫
16.200.000 ₫
MOQ 1 · Order multiple 1
Substitutes
ATMEGA644-20PU
IC MCU 8BIT 64KB FLASH 40DIP
190.000 ₫ Microchip Technology