
For Reference Only
Part Number | ATUC256L3U-AUR |
OEMstron Part # | ATUC256L3U-AUR |
Manufacturer | Microchip Technology |
Category | Semiconductors › Embedded Processors & Controllers › Microcontrollers |
Description | IC MCU 32BIT 256KB FLASH 64TQFP |
Lifecycle | Active |
RoHS | No RoHS Information |
EDA/CAD Models | ATUC256L3U-AUR PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Mar 18 - Mar 23 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
ATUC256L3U-AUR Specifications
Part Number | ATUC256L3U-AUR | |
Brand | Microchip Technology | |
Lifecycle | Active | |
RoHS | No RoHS Information | |
Product Line | Semiconductors | |
Category | Embedded Processors & Controllers | |
Subcategory | Microcontrollers | |
Manufacturer | Microchip Technology | |
Series | AVR®32 UC3 L | |
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 | 51 | |
Program Memory Size | 256KB (256K x 8) | |
Program Memory Type | FLASH | |
EEPROM Size | - | |
RAM Size | 32K x 8 | |
Voltage - Supply (Vcc/Vdd) | 1.62V ~ 3.6V | |
Data Converters | A/D 8x12b | |
Oscillator Type | Internal | |
Operating Temperature | -40°C ~ 85°C (TA) | |
Mounting Type | Surface Mount | |
Package / Case | 64-TQFP Exposed Pad | |
Supplier Device Package | 64-TQFP (10x10) |
ATUC256L3U-AUR Documents

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Global Supply Chains - Reliable and Authorized Distributor Resources
Part Number | Description | Stock |
ATUC256L3U-AUT D# V99:2348_07147086 Microchip Technology Inc |
MCU 32-bit AVR RISC 256KB Flash 1.8V 64-Pin TQFP Tray RoHS: Compliant
|
Americas - 99 |
ATUC256L3U-AUR D# V36:1790_07147024 Microchip Technology Inc |
MCU 32-bit AVR RISC 256KB Flash 1.8V 64-Pin TQFP T/R RoHS: Compliant
|
Americas - 0 |
Part Number | Description | Stock |
ATUC256L3U-AUT D# ATUC256L3U-AUT Atmel Corporation |
MCU 32-bit ATUC AVR RISC 256KB Flash 1.8V 64-Pin TQFP Tray - Bulk (Alt: ATUC256L3U-AUT) |
Americas - 6780 |
ATUC256L3U-AUR D# ATUC256L3U-AUR Atmel Corporation |
MCU 32-bit ATUC AVR RISC 256KB Flash 1.8V 64-Pin TQFP T/R - Bulk (Alt: ATUC256L3U-AUR) |
Americas - 13 |
Part Number | Description | Stock |
ATUC256L3U-AUR D# ATUC256L3U-AUR Microchip Technology Inc |
MCU 32-bit ATUC AVR RISC 256KB Flash 1.8V 64-Pin TQFP T/R (Alt: ATUC256L3U-AUR) |
Europe - 0 |
ATUC256L3U-AUT D# ATUC256L3U-AUT Microchip Technology Inc |
MCU 32-bit ATUC AVR RISC 256KB Flash 1.8V 64-Pin TQFP Tray (Alt: ATUC256L3U-AUT) |
Europe - 0 |
Part Number | Description | Stock |
ATUC256L3U-AUR Atmel Corporation |
IC MCU 32BIT 256KB FLASH 64TQFP |
Contact Us |
ATUC256L3U-AUT Atmel Corporation |
IC MCU 32BIT 256KB FLASH 64-TQFP |
345 |
Part Number | Description | Stock |
ATUC256L3U-AUT D# ATUC256L3U-AUT-ND Microchip Technology Inc |
IC MCU 32BIT 256KB FLASH 64TQFP |
9 In Stock |
ATUC256L3U-AUR D# 2156-ATUC256L3U-AUR-ND Rochester Electronics LLC |
IC MCU 32BIT 256KB FLASH 64TQFP |
13 In Stock |
Part Number | Description | Stock |
ATUC256L3U-AUR Microchip Technology Inc |
In stock shipping within 2days |
23429 |
ATUC256L3U-AUT Microchip Technology Inc |
In stock shipping within 2days |
23430 |
Part Number | Description | Stock |
ATUC256L3U-AUT D# 3630628 Microchip Technology Inc |
MICROCONTROLLERS (MCU) - 16/32 BIT - AVR RoHS: Compliant
Min Qty: 160
Container: Each
|
0 |
ATUC256L3U-AUR D# 3630627 Microchip Technology Inc |
MICROCONTROLLERS (MCU) - 16/32 BIT - AVR RoHS: Compliant
Min Qty: 1500
Container: Reel
|
0 |
Part Number | Description | Stock |
ATUC256L3U-AUR Microchip Technology Inc |
RoHS: Compliant
pbFree: Yes
|
0 |
Part Number | Description | Stock |
ATUC256L3U-AUR Microchip Technology Inc |
RoHS: Not Compliant
|
0 |
Part Number | Description | Stock |
ATUC256L3U-AUT D# ATUC256L3U-AUT Microchip Technology Inc |
UC3L-256KB Flash 64QFP 85C green Tray RoHS: Compliant
pbFree: Yes
|
2075 - Alternates Available |
ATUC256L3U-AUR D# ATUC256L3U-AUR Microchip Technology Inc |
UC3L-256KB Flash 64QFP 85C green T&R RoHS: Compliant
pbFree: Yes
|
Temporarily Out of Stock – Alternates Available |
Part Number | Description | Stock |
ATUC256L3U-AUT D# 556-ATUC256L3U-AUT Microchip Technology Inc |
32-bit Microcontrollers - MCU UC3L-256KB Flash 64QFP 85C green TRAY RoHS: Compliant
|
159 |
Part Number | Description | Stock |
ATUC256L3U-AUR Microchip Technology Inc |
UC3L-256KB Flash 64QFP 85C green T&R - Package: 64 TQFP 10x10x1mm T/R RoHS: Compliant
|
0 in Stock 0 on Order |
ATUC256L3U-AUT Microchip Technology Inc |
UC3L-256KB Flash 64QFP 85C green Tray - Package: 64 TQFP 10x10x1mm TRAY RoHS: Compliant
|
0 in Stock 0 on Order |
Part Number | Description | Stock |
ATUC256L3U-AUT D# MCHP00000008313 Microchip Technology Inc |
UC3L-256KB Flash 64QFP 85C green Tray - Package: 64 TQFP 10x10x1mm TRAY |
0 |
ATUC256L3U-AUR D# MCHP00000008312 Microchip Technology Inc |
UC3L-256KB Flash 64QFP 85C green T&R - Package: 64 TQFP 10x10x1mm T/R |
0 |
Part Number | Description | Stock |
ATUC256L3U-AUR D# 92T0857 Microchip Technology Inc |
UC3L-256KB FLASH 64QFP 85C GREEN T&R, 64 TQFP 10X10X1MM T/R ROHS COMPLIANT: YES RoHS: Compliant
Min Qty: 1500
Container: TAPE & REEL - FULL
|
0 |
ATUC256L3U-AUT D# 92T0858 Microchip Technology Inc |
UC3L-256KB FLASH 64QFP 85C GREEN TRAY, 64 TQFP 10X10X1MM TRAY ROHS COMPLIANT: YES RoHS: Compliant
Min Qty: 160
Container: Bulk
|
0 |
Part Number | Description | Stock |
ATUC256L3U-AUT D# NS-ATUC256L3U-AUT Atmel Corporation |
OEM/CM ONLY |
7829 |
ATUC256L3U-AUR D# NS-ATUC256L3U-AUR Atmel Corporation |
OEM/CM ONLY |
1474 |
Part Number | Description | Stock |
ATUC256L3U-AUR Microchip Technology Inc |
RoHS: Not Compliant
|
0 |
Part Number | Description | Stock |
ATUC256L3U-AUR Atmel Corporation |
ATUC256 - RISC Microcontroller, 32-Bit, FLASH, AVR RISC CPU RoHS: Compliant
|
13 |
ATUC256L3U-AUT Atmel Corporation |
ATUC256 - RISC Microcontroller, 32-Bit, FLASH, AVR RISC CPU RoHS: Compliant
|
6620 |
Part Number | Description | Stock |
ATUC256L3U-AUT D# 25859634 Microchip Technology Inc |
MCU 32-bit AVR RISC 256KB Flash 1.8V 64-Pin TQFP Tray RoHS: Compliant
|
Americas - 99 |
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Quick Inquiry
In Stock | 201 - More on Order |
---|---|
Quote Limit | No Limit |
Lead-Time | To be Confirmed |
Minimum | 1 |
Add to Shopping Cart
Pricing (USD)
Qty. | Unit Price | Ext. Price |
---|---|---|
1 | $ 9.9563 | $ 9.9563 |
100 | $ 9.9563 | $ 995.6300 |
500 | $ 9.9563 | $ 4,978.1500 |
1000 | $ 9.9563 | $ 9,956.3000 |
2500 | $ 9.9563 | $ 24,890.7500 |
OEMstron will offer the most competitive prices for you, please refer to the quotations.
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