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ATUC256L4U-ZAUR

ATUC256L4U-ZAUR

ATUC256L4U-ZAUR

Microchip Technology

256KB 256K x 8 FLASH AVR 32-Bit Microcontroller AVR®32 UC3 L Series ATUC256L 48 Pin 50MHz 1.8V 48-VFQFN Exposed Pad

SOT-23

ATUC256L4U-ZAUR Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 8 Weeks
Lifecycle Status Production (Last Updated: 2 years ago)
Contact PlatingTin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 48-VFQFN Exposed Pad
Surface MountYES
Number of Pins 48
Supplier Device Package 48-QFN (7x7)
Number of Terminals 48
Interfaces SPI/TWI/USART/USB
Data Converters A/D 8x12b
Manufacturer Microchip
Brand Microchip Technology
Tradename UC3
RoHS Details
Number of I/Os 36
Package Tape & Reel (TR);Cut Tape (CT);Digi-Reel®;
Base Product Number ATUC256
Mfr Microchip Technology
Product Status Active
Package Shape SQUARE
Number of I/O Lines 36
Operating Temperature-40°C~85°C TA
PackagingTape & Reel (TR)
Series AVR®32 UC3 L
Published 2012
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 48
Max Operating Temperature85 °C
Min Operating Temperature -40 °C
Terminal Position QUAD
Terminal FormNO LEAD
Supply Voltage 1.8V
Terminal Pitch0.5mm
Reach Compliance Code compliant
Frequency 50MHz
Base Part Number ATUC256L
JESD-30 Code S-XQCC-N48
Qualification StatusNot Qualified
Operating Supply Voltage1.8V
Supply Voltage-Max (Vsup) 1.98V
Power Supplies1.81.8/3.3V
Temperature GradeINDUSTRIAL
Interface CAN, I2C, IrDA, LIN, SPI, UART, USART, USB
Max Supply Voltage1.98 V
Min Supply Voltage1.62 V
Memory Size128kB
Oscillator TypeInternal
Number of I/O 36
Speed 50MHz
RAM Size 32K x 8
Memory TypeFLASH
Voltage - Supply (Vcc/Vdd) 1.62V~3.6V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC
Core Processor AVR
Peripherals Brown-out Detect/Reset, DMA, POR, PWM, WDT
Program Memory TypeFLASH
Core Size 32-Bit
Program Memory Size 256KB 256K x 8
Connectivity I2C, SPI, UART/USART, USB
Bit Size 32
Data Converter A/D 8x12b
Watchdog TimerYes
Has ADC YES
DMA Channels YES
Data Bus Width 32b
PWM Channels YES
DAC Channels NO
Seated Height-Max 0.9 mm
Number of Timers/Counters 7
Product Type32-bit Microcontrollers - MCU
ROM (words) 65536
Core Architecture AVR
EEPROM Size --
CPU Family AVR RISC
Max Frequency 50 MHz
Number of Programmable I/O 36
RAM (bytes) 32768
ROM Programmability FLASH
Product MCU
Product Category32-bit Microcontrollers - MCU
Device CoreAVR
Height Seated (Max) 0.9mm
Width 7 mm
Length 7 mm
RoHS StatusROHS3 Compliant
In-Stock:1209 items

Pricing & Ordering

QuantityUnit PriceExt. Price

ATUC256L4U-ZAUR Product Details

ATUC256L4U-ZAUR Overview


This Microcontroller comes in a 48-VFQFN Exposed Pad package. This Microcontroller has 36 I/Os. The Mounting Type of the Microcontroller is Surface Mount. The MCU is based on the 32-Bit core. This Microcontroller's program memory type is FLASH. The Microcontroller runs in -40°C~85°C TA Operating Temperature. Microcontroller runs in AVR®32 UC3 L Series. The size of the program memory of Microcontroller is 256KB 256K x 8. MCU is powered by AVR Core Processor. The device belongs to MICROCONTROLLER, RISC uPs/uCs/Peripheral ICs Type. The MCU has a number of 48 terminals. Microcontroller comes with 32 bit size. The component always operates in 1.8V supply voltage. MCU chip has YES DMA channels. The part owns 128kB memory size. You can find alternatives through the base part number ATUC256L. MCU's frequency is 50MHz. The device works in YES PWM channels. The pin number of the component remains 48. It has 7 timers/counters. The device is embedded with AVR RISC CPU family. This equipment features FLASH memory. It has a AVR core architecture integrated into it. It programs in 36 Programmable I/O.

ATUC256L4U-ZAUR Features


48-VFQFN Exposed Pad package
Mounting type of Surface Mount
Minimum temperature of -40 °C


ATUC256L4U-ZAUR Applications


There are a lot of Microchip Technology
ATUC256L4U-ZAUR Microcontroller applications.


  • Automatic control
  • Equipment control
  • Instrument control
  • Toys
  • Robots
  • Radio
  • Television
  • Heater/Fan
  • Calculator
  • Kindle

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