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
-
ads
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
Part Number Manufacturer & Description Compare
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
ATMEGA164P-20PQ Match 62%
VIGOR
IC MCU 8BIT 16KB FLASH 40DIP
ATMEGA644-20PU vs ATMEGA164P-20PQ
ATMEGA644PV-10PU Match 76%
VIGOR
IC MCU 8BIT 64KB FLASH 40DIP
ATMEGA644-20PU vs ATMEGA644PV-10PU
ATMEGA324PA-PU Match 62%
Roving Networks / Microchip Technology
IC MCU 8BIT 32KB FLASH 40DIP
ATMEGA644-20PU vs ATMEGA324PA-PU
  • Please confirm the specifications of the products when ordering.
  • MOQ means the minimum order quantity required to purchase each parts.
  • If you have special order instructions,please note it on the ordering pages.
  • The Pre-Shipment Inspection (PSI) will be applied.
  • You can email us to change the order details before shipment.
  • Orders cannot be canceled after shipping the packages.
  • TT in advance (bank transfer), Credit Card, PayPal can be chosen.
  • Cash transfer only. (Transfer with checks and bills are not accepted.)
  • Customer is responsible for paying all possible charges,including sales tax, VAT and customs charges,etc.
  • If you need the detailed invoice or tax ID,please email us.
  • FedEx, DHL, and UPS can be selected.
  • You can select whether to charge shipping fee by your shipping account or to charge by our side.
  • Please confirm with the logistics company in advance if you are in a remote area. (It may cost extra fees (35-50 USD) for delivery at those areas.)
  • The shopping cart will automatically calculate the shipping cost.
  • Delivery time: At the same day (Order deadline is 2pm, HK Time).
  • Delivery date: usually 2 to 7 working days.
  • It is unable to appoint a date of delivery.
  • Tracking number will be sent once your order has been shipped. (It may take up to 24 hours before carriers display the info.)
Shipped from
HK warehouse
Expected Shipping Date
Jul 23 - Jul 27 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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