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AT32UC3A3256S-ALUR

AT32UC3A3256S-ALUR

AT32UC3A3256S-ALUR

Microchip Technology

256KB 256K x 8 FLASH AVR 32-Bit Microcontroller AVR®32 UC3 A3 Series AT32UC3A3256 144 Pin 66MHz 1.85V 144-LQFP

SOT-23

AT32UC3A3256S-ALUR Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 12 Weeks
Contact PlatingTin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 144-LQFP
Surface MountYES
Number of Pins 144
Supplier Device Package 144-LQFP (20x20)
Weight 1.290414g
Number of Terminals 144
Mounting Style SMD/SMT
Interfaces IrDA/SCI/SCIF/UDI
Data Converters A/D 8x10b
Number of I/Os 110 I/O
Maximum Operating Temperature+ 85 C
Minimum Operating Temperature - 40 C
Interface Type 2-Wire, I2S, JTAG, SPI, USART
Manufacturer Microchip
Brand Microchip Technology
Tradename AVR
RoHS Details
Package Tape & Reel (TR);Cut Tape (CT);Digi-Reel®;
Base Product Number AT32UC3
Mfr Microchip Technology
Product Status Active
Package Shape SQUARE
Number of I/O Lines 110
Operating Temperature-40°C~85°C TA
PackagingTape & Reel (TR)
Series AVR®32 UC3 A3
Published 2012
JESD-609 Code e3
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 144
Terminal Finish Matte Tin (Sn)
Additional FeatureIT ALSO OPERATES AT 3.3 V
Terminal Position QUAD
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 260
Supply Voltage 1.85V
Terminal Pitch0.5mm
Reach Compliance Code compliant
Frequency 66MHz
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number AT32UC3A3256
JESD-30 Code S-PQFP-G144
Qualification StatusNot Qualified
Operating Supply Voltage3.3V
Supply Voltage-Max (Vsup) 1.95V
Power Supplies1.8,3.3 V
Temperature GradeINDUSTRIAL
Interface 2-Wire, EBI/EMI, I2C, I2S, IrDA, MMC, SCI, SPI, UART, USART, USB
Memory Size256kB
Oscillator TypeInternal
Number of I/O 110
Speed 66MHz
RAM Size 128K x 8
Memory TypeFLASH, SRAM
Voltage - Supply (Vcc/Vdd) 1.75V~3.6V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC
Core Processor AVR
Peripherals Brown-out Detect/Reset, DMA, POR, WDT
Program Memory TypeFLASH
Core Size 32-Bit
Program Memory Size 256KB 256K x 8
Connectivity EBI/EMI, I2C, IrDA, Memory Card, SPI, SSC, UART/USART, USB OTG
Bit Size 32
Data Converter A/D 8x10b
Watchdog TimerYes
Has ADC YES
DMA Channels YES
Data Bus Width 32b
PWM Channels NO
DAC Channels YES
Seated Height-Max 1.6 mm
Number of Timers/Counters 3
Address Bus Width24
Product Type32-bit Microcontrollers - MCU
ROM (words) 262144
EEPROM Size --
CPU Family AVR RISC
External Data Bus Width 16
RAM (bytes) 65536
ROM Programmability FLASH
Product Category32-bit Microcontrollers - MCU
Device CoreAVR32
Height 1.6mm
Length 20.1mm
Width 20.1mm
Radiation HardeningNo
RoHS StatusROHS3 Compliant
In-Stock:358 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$18.77000$18.77
500$18.5823$9291.15
1000$18.3946$18394.6
1500$18.2069$27310.35
2000$18.0192$36038.4
2500$17.8315$44578.75

AT32UC3A3256S-ALUR Product Details

AT32UC3A3256S-ALUR Overview


The package is 144-LQFP-shaped. There are 110 I/Os. In the case of the IC chip, the type of mounting is Surface Mount. Microcontroller is based on the 32-Bit core architecture. The type of program memory it uses is FLASH. Temperatures in the range of -40°C~85°C TA are operated by this Microcontroller. It is part of the AVR®32 UC3 A3 series of electrical components. Having a size of 256KB 256K x 8, Microcontroller has a program memory of X bytes. A AVR Core Processor is at the core of this Microcontroller. This device belongs to the MICROCONTROLLER, RISC uPs/uCs/Peripheral ICs category. IC Chip 144 has 144 terminations. 32-bits are used for its size. IC Chip has 1.85V volt supply outputs. With YES DMA channels, Microcontroller chip can handle large data transfers. 256kB is the size of the memory in the IC part. Using the base part number AT32UC3A3256, you will be able to find alternatives for the part. Using a 66MHz frequency, this electronic part can perform efficiently. Devices work in NO PWM channels. On the chip, 144 pins are accessible. In total, there are 3 timers/counters on the device. There is an embedded the AVR RISC CPU family inside the device, which makes it a powerful device. There is FLASH, SRAM memory on this piece of equipment. In addition to the above, there are other features such as IT ALSO OPERATES AT 3.3 V, to name but a few.

AT32UC3A3256S-ALUR Features


144-LQFP package
Mounting type of Surface Mount


AT32UC3A3256S-ALUR Applications


There are a lot of Microchip Technology
AT32UC3A3256S-ALUR Microcontroller applications.


  • Instrument control
  • Toys
  • Robots
  • Radio
  • Television
  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers

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