ATUC256L4U-ZAUT Price & Stock
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Manufacturer

Integrated Circuits (ICs) > Embedded - Microcontrollers
IC MCU 32BIT 256KB FLASH 48QFN
Documents
Datasheet |
ATUC256L4U-ZAUT![]() |
Specifications
Series | AVR®32 UC3 L |
Part Status | Active |
Core Processor | AVR |
Core Size | 32-Bit |
Speed | 50MHz |
Connectivity | I²C, SPI, UART/USART, USB |
Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
Number of I/O | 36 |
Program Memory Size | 256KB (256K x 8) |
Program Memory Type | FLASH |
RAM Size | 32K x 8 |
Voltage - Supply (Vcc/Vdd) | 1.62 V ~ 3.6 V |
Data Converters | A/D 8x12b |
Oscillator Type | Internal |
Operating Temperature | -40°C ~ 85°C (TA) |
Package / Case | 48-VFQFN Exposed Pad |
Supplier Device Package | 48-QFN (7x7) |
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Dechoele Technology
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Microchip Technology | 5561 |
|
Inquiry | ||
ATUC256L4U-ZAUT | Atmel | 5898 |
|
Inquiry |

Hotenda Technology
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Atmel | AVR AVR??32 UC3 L Microcontroller IC 32-Bit 50MHz 256KB (256K x 8) FLASH 48-QFN (7x7) | 2981 |
|
Inquiry |

Chip Source Co.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Microchip Technology | IC MCU 32BIT 256KB FLASH 48QFN | 203863 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Silicon Labs | IC MCU 8BIT 32KB FLASH 28QFN | 6839 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Microchip Technology | IC MCU 32BIT 256KB FLASH 48QFN | 3637 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Atmel | IC MCU 32BIT 256KB FLASH 48QFN | 4506 |
|
Inquiry | |
ATUC256L4U-ZAUT | Microchip Technology | IC MCU 32BIT 256KB FLASH 48QFN | 2020 |
|
Inquiry |

EA-chip Industry Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Microchip Technology | IC MCU 32BIT 256KB FLASH 48QFN | 3167 |
|
Inquiry | |
ATUC256L4U-ZAUT | Rochester Electronics, LLC | IC MCU 32BIT 256KB FLASH 48QFN | 3832 |
|
Inquiry |

Win Source
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||
---|---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Microchip Technology | IC MCU 32BIT 256KB FLASH 48QFN / AVR series Microcontroller IC 32-Bit Single-Core 50MHz 256KB (256K x 8) FLASH 48-QFN (7x7) | 415 |
|
Buy |

Xinghuan International Trade Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Microchip Technology | 42898 |
|
Inquiry | ||
ATUC256L4U-ZAUT | Atmel (Microchip Technology) | 42445 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Microchip Technology | DC:Active ; - | 2 |
|
Inquiry |

Shenzhen Dasenic Electronic Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Microchip Technology | IC MCU 32BIT 256KB FLASH 48QFN Integrated Circuits (ICs)>Embedded - Microcontrollers
|
11496 |
|
Buy |

PNEDA Technology Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Microchip Technology | 4588 |
|
Inquiry |

Unikey Electronics Pte. Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Microchip Technology | DC:2012 | 3623 |
|
Inquiry |

Microchip USA
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Microchip Technology | Member of ERAI, GIDEP, & ITAR | ISO 9001, ISO 2001, ISO 14001 & AS9120 Certified ; Tray | 169 |
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Inquiry |

Fmall Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Microchip Technology | IC MCU 32BIT 256KB FLASH 48QFN | 14670 |
|
Inquiry |

Depu Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Atmel | IC MCU 32BIT 256KB FLASH 48QFN | 13470 |
|
Inquiry | |
ATUC256L4U-ZAUT | Microchip Technology | IC MCU 32BIT 256KB FLASH 48QFN | 7150 |
|
Inquiry |

Rochester Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Atmel | ATUC256 - RISC Microcontroller, 32-Bit, FLASH, AVR RISC CPU | 3832 |
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Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Microchip Technology | IC MCU 32BIT 256KB FLASH 48QFN Embedded - Microcontrollers
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In-Stock |
|
Inquiry |

Heisener Electronics Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Microchip Technology | IC MCU 32BIT 256KB FLASH 48QFN Embedded - Microcontrollers
|
1847 |
|
Buy |

Hong Kong Brave Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Microchip Technology | 48-VFQFN Exposed Pad | 8900 |
|
Inquiry | |
ATUC256L4U-ZAUT | Atmel (Microchip Technology) | 48-VFQFN Exposed Pad | 8900 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Microchip Technology | IC MCU 32BIT 256KB FLASH 48QFN | 12000 |
|
Inquiry |

Lanka Micro Electronic Co.,Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Microchip Technology | IC MCU 32BIT 256KB FLASH 48QFN | 65366 |
|
Buy |

Lvy Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | 2000 |
|
Inquiry | |||
ATUC256L4U-ZAUT | Microchip Technology | 2000 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Micrel / Microchip Technology | IC MCU 32BIT 256KB FLASH 48QFN ; 48-QFN (7x7) Embedded - Microcontrollers
|
Available |
|
Inquiry |

LIXINC Electronics Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Microchip Technology | IC MCU 32BIT 256KB FLASH 48QFN | 1131 |
|
Inquiry |

Shenzhen Shengyu Electronics Tech Limited.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Atmel | IC MCU 32BIT 256KB FLASH 48QFN | 14643 |
|
Inquiry |

KaiLiYuan Electronic Technology (ShenZhen) Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Microchip Technology | IC MCU 32BIT 256KB FLASH 48QFN ; DC:21+ ; 48-QFN (7x7) | 111 |
|
Inquiry | |
ATUC256L4U-ZAUT | Microchip Technology | IC MCU 32BIT 256KB FLASH 48QFN ; DC:23+ | 7150 |
|
Inquiry | |
ATUC256L4U-ZAUT | Atmel | IC MCU 32BIT 256KB FLASH 48QFN ; DC:21+ ; 48-QFN (7x7) | 111 |
|
Inquiry | |
ATUC256L4U-ZAUT | Atmel | IC MCU 32BIT 256KB FLASH 48QFN ; DC:23+ | 13470 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | MICROCHIP | Stock to ship immediately | 23177 |
|
Inquiry |

Ample Chip
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Rochester Electronics | IC MCU 32BIT 256KB FLASH 48QFN | 18786 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | MICROCHIP | in stock Immediately | 23677 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | MICROCHIP | 2017-MI ; DC:22+ | 21500 |
|
Inquiry |

Nexxon, Inc. (USA)
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Microchip Technology | In Stock |
|
Inquiry | ||
ATUC256L4U-ZAUT | Atmel | In Stock |
|
Inquiry |

He Qing Electronics Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Atmel | AVR AVR?32 UC3 L Microcontroller IC 32-Bit Single-Core 50MHz 256KB (256K x 8) FLASH 48-QFN (7x7) ; Bulk | 5863 |
|
Inquiry |

Shenzhen Yuanxinai e-commerce Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Microchip Technology |
|
Inquiry |

DGT Technology (HK) Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Rochester Electronics | IC MCU 32BIT 256KB FLASH 48QFN | 10000 |
|
Inquiry |

Geefook (Shenzhen) Electronic Co., Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Microchip Technology | 35000 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Microchip Technology / Atmel | 32-bit Microcontrollers - MCU UC3L-256KB Fl 48QFN 85C Grn | in stock |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | 0 |
|
Inquiry |

Lingto Electronic Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT | Rochester Electronics | DC:24+ ; Original New | 36827 |
|
Inquiry | |
ATUC256L4U-ZAUT | Microchip Technology | DC:24+ ; Original New | 16844 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4UZAUT
sku #: ATUC256L4UZAUT
|
Atmel | 3854 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4UZAUT | ATM | OEM/CM ONLY | 3837 |
|
Inquiry |

Farnell element14
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATUC256L4U-ZAUT
sku #: 3630635
|
Microchip Technology | Microchip Technology Technology - Mcu, 32Bit, 50Mhz, Qfn-48 - Atuc256L4U-Zaut |Microchip Technology Technology ATUC256L4U-ZAUT | out of stock |
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Buy |
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