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ATMEGA1281-16AU

ATMEGA1281-16AU

ATMEGA1281-16AU

Microchip Technology

128KB 64K x 16 FLASH AVR 8-Bit Microcontroller AVR® ATmega Series ATMEGA1281 64 Pin 16MHz 5V 64-TQFP

SOT-23

ATMEGA1281-16AU Datasheet

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In-Stock: 0 items
Specifications
Name Value
Type Parameter
Factory Lead Time 8 Weeks
Lifecycle Status Production (Last Updated: 2 years ago)
Contact Plating Tin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 64-TQFP
Surface Mount YES
Number of Pins 64
Supplier Device Package 64-TQFP (14x14)
Number of Terminals 64
Mounting Style SMD/SMT
Manufacturer Package Identifier 64A
Interfaces JTAG/TWI/SPI/USART
Enclosure TQFP 64 (14x14)
Manuf. code MCP
Max. operating temperature +85°C
Manufacturer Microchip Technology
Data Converters A/D 8x10b
Family Name ATmega
Instruction Set Architecture RISC
Dimensions 14.1 x 14.1 x 1.05mm
Typical Operating Supply Voltage 2.7 → 5.5 V
Package Type TQFP
Maximum Operating Temperature +85 °C
Minimum Operating Temperature -40 °C
MSL MSL 3 - 168 hours
Qualification -
Number of I/Os 54 I/O
Interface Type 2-Wire, SPI, USART
Brand Microchip Technology / Atmel
Tradename AVR
RoHS Details
Schedule B 8542310000
Package Tray
Base Product Number ATMEGA1281
Mfr Microchip Technology
Product Status Active
Package Shape SQUARE
Number of I/O Lines 54
Operating Temperature -40°C~85°C TA
Packaging Tray
Series AVR® ATmega
Published 2007
JESD-609 Code e3
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 64
Termination SMD/SMT
Type ATMEGA1281-16AU
Terminal Finish Matte Tin (Sn) - annealed
Max Operating Temperature 85 °C
Min Operating Temperature -40 °C
Additional Feature ALSO OPERATES AT 2.7V MINIMUM SUPPLY AT 8 MHZ
Terminal Position QUAD
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Supply Voltage 5V
Terminal Pitch 0.8 mm
Reach Compliance Code compliant
Frequency 16MHz
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number ATMEGA1281
Pin Count 64
JESD-30 Code S-PQFP-G64
Qualification Status Not Qualified
Power Supplies 3/5 V
Temperature Grade INDUSTRIAL
Voltage 5V
Interface 2-Wire, EBI/EMI, I2C, SPI, UART, USART
Max Supply Voltage 5.5 V
Min Supply Voltage 2.7 V
Memory Size 128kB
Oscillator Type Internal
Number of I/O 54
Speed 16MHz
RAM Size 8K x 8
Memory Type FLASH
Voltage - Supply (Vcc/Vdd) 2.7V~5.5V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC
Number of Bits 8
Core Processor AVR
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Program Memory Type FLASH
Core Size 8-Bit
Program Memory Size 128KB 64K x 16
Connectivity EBI/EMI, I2C, SPI, UART/USART
Supply Current-Max 14 mA
Bit Size 8
Data Converter A/D 8x10b
Watchdog Timer Yes
Access Time 16 μs
Has ADC YES
DMA Channels NO
Data Bus Width 8b
PWM Channels YES
DAC Channels NO
Seated Height-Max 1.2 mm
Number of Timers/Counters 6
Address Bus Width 16
Product Type 8-bit Microcontrollers - MCU
Density 1 Mb
ROM (words) 65536
Core Architecture AVR
EEPROM Size 4K x 8
CPU Family AVR RISC
Max Frequency 16 MHz
External Data Bus Width 8
Number of Programmable I/O 54
RAM (bytes) 8192
Number of ADC Channels 8
ROM Programmability FLASH
Number of PWM Channels 10
Number of I2C Channels 1
Number of SPI Channels 1
Product MCU
Product Category 8-bit Microcontrollers - MCU
Device Core AVR
Height 1.05mm
Length 14.1mm
Width 14.1mm
REACH SVHC No SVHC
Radiation Hardening No
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Pricing & Ordering
Quantity Unit Price Ext. Price
1 $8.90000 $8.9
25 $8.16800 $204.2
100 $7.39540 $739.54
ATMEGA1281-16AU Product Details

ATMEGA1281-16AU Overview


The package is in 64-TQFP format. The MCU has 54 I/O ports. There is a mounting type Surface Mount associated with this Microcontroller. This Microcontroller is based on the 8-Bit core. There is a memory type of FLASH in its program memory. The temperature range that this Microcontroller operates at is -40°C~85°C TA. The electrical component that you are looking at belongs to the AVR® ATmega series of components. Microcontroller has abundant program memory size of 128KB 64K x 16. The AVR Core Processor powers the device and is one of its key features. This Microcontroller belongs to the MICROCONTROLLER, RISC uPs/uCs/peripheral ICs type. During the manufacture of the IC chip, there is a number 64 of terminations. A 8-bit operation is performed by this part. There is an output of 5V volts from the Microcontroller chip. A total of NO DMA channels are available on MCU chip. This MCU is implemented with 128kB memory. ATMEGA1281 serves as a base part number to find alternatives. It exhibits good efficiency when it operates at a frequency of 16MHz and it is able to operate at a high frequency. It is possible for the device to work with the motor using the PWM channel YES. It is possible to access the 64 pins on the chip through the 64 pins. It is equipped with 6 timers and counters. It consists of 64 pins. As far as the CPU is concerned, it is embedded with the the AVR RISC family of processors. There's an integrated FLASH memory in the equipment. There is a AVR core architecture integrated into it. Among the eight programmable I/O sections, there are many different ways in which it can be programmed. In addition, there are several other features that can be found in the software, including ALSO OPERATES AT 2.7V MINIMUM SUPPLY AT 8 MHZ. There are a total of 8 channels for the ADC on this board, so it has a total of 8 channels. An entire chip has 8 bits. An 10-channel PWM controller is used by the device. In this device, there's an 1-channel PWM controller.

ATMEGA1281-16AU Features


64-TQFP package
Mounting type of Surface Mount
Minimum temperature of -40 °C


ATMEGA1281-16AU Applications


There are a lot of Microchip Technology
ATMEGA1281-16AU Microcontroller applications.


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  • 3D printers
  • Washing machine
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  • Digital cameras
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