ATMEGA2561-16AI is Obsolete and no longer manufactured.
Available Substitutes:

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ATMEGA2561-16AU
Microchip Technology
In Stock: 3,023
Unit Price: ¥127.25000
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ATMEGA2561-16AI

DigiKey Part Number
ATMEGA2561-16AI-ND
Manufacturer
Microchip Technology
Manufacturer Product Number
ATMEGA2561-16AI
Description
IC MCU 8BIT 256KB FLASH 64TQFP
Customer Reference
Detailed Description
AVR AVR® ATmega Microcontroller IC 8-Bit 16MHz 256KB (128K x 16) FLASH 64-TQFP (14x14)
Datasheet
 Datasheet
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ATMEGA2561-16AI Models
Product Attributes
Type
Description
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Category
Mfr
Microchip Technology
Series
AVR® ATmega
Packaging
Tray
Part Status
Obsolete
DigiKey Programmable
Not Verified
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
EBI/EMI, I2C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O
54
Program Memory Size
256KB (128K x 16)
Program Memory Type
FLASH
EEPROM Size
4K x 8
RAM Size
8K x 8
Voltage - Supply (Vcc/Vdd)
4.5V ~ 5.5V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C (TA)
Mounting Type
Surface Mount
Supplier Device Package
64-TQFP (14x14)
Package / Case
64-TQFP
Base Product Number
ATMEGA2561