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ATMEGA1281-16AU
Microchip TechnologyRoHS 
RoHS compliant
RoHS compliantPackage 64-TQFP
Category Embedded - Microcontrollers / Embedded - Microcontrollers
Description
MCU 8-bit ATmega AVR RISC 128KB Flash 3.3V/5V 64-Pin TQFP
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Pricing & Ordering
Inventory: 10
Minimum: 1
Total Price: USD $120.58
Unit Price: USD $120.581659
≥1 USD $120.581659
≥10 USD $113.756276
≥100 USD $107.317245
≥500 USD $101.242688
≥1000 USD $95.511969
Technical Details
Supply Chain
Factory Lead Time 8 Weeks
Physical
Contact Plating Tin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 64-TQFP
Number of Pins 64
Manufacturer Package Identifier 64A
Technical
Operating Temperature -40°C~85°C TA
Packaging Tray
Published 2007
Series AVR? ATmega
JESD-609 Code e3
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 64
Termination SMD/SMT
Subcategory Microcontrollers
Technology CMOS
Terminal Position QUAD
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Supply Voltage 5V
Frequency 16MHz
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number ATMEGA1281
Voltage 5V
Interface 2-Wire, EBI/EMI, I2C, SPI, UART, USART
Memory Size 128kB
Oscillator Type Internal
Number of I/O 54
RAM Size 8K x 8
Voltage - Supply (Vcc/Vdd) 2.7V~5.5V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC
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
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
Number of Timers/Counters 6
Density 1 Mb
EEPROM Size 4K x 8
Number of ADC Channels 8
Number of PWM Channels 10
Number of I2C Channels 1
Dimensions
Height 1.05mm
Length 14.1mm
Width 14.1mm
Compliance
Radiation Hardening No
REACH SVHC No SVHC
RoHS Status ROHS3 Compliant
Lead Free Lead Free
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