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Microchip Technology ATXMEGA128B1-AU Microcontrollers

IC MCU 8/16B 128KB FLASH 100TQFP

29,600 ActiveMicrochip TechnologyATXMEGA128B100-TQFP$15.62
ATXMEGA128B1-AU 100-TQFP package illustration

Same model may have multiple batches, images only for reference.

ATXMEGA128B1-AU
Part Number (MPN)
ATXMEGA128B1-AU
Base Model
Detailed Description
IC MCU 8/16B 128KB FLASH 100TQFP
Package
100-TQFP
Lifecycle Status
Active
Datasheet
PDF ATXMEGA128B1-AU Datasheet
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Ordering Code Family

ATXMEGA128B groups multiple orderable suffixes under one base device. Compare package, grade, and reel options on the base-number page before substituting within the family.

4 ordering variants listed on the family page.

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Technical Specifications

Microchip Technology ATXMEGA128B1-AU Microcontrollers technical specifications.

General

Series
XMEGA B1
RAM Size
8K x 8
Data Bus Width
8 bit/16 bit
Maximum Clock Frequency
32 MHz
RoHS
Yes
Package / Case
100-TQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.6V ~ 3.6V
Lifecycle Status
Active

Alternate Parts Comparison (ATXMEGA128B1-AU vs ATXMEGA128B3 vs ATXMEGA128B3-AU vs ATXMEGA128B3-MN)

Side-by-side technical parameter comparison of related primary models in this product family.

This PartAlternate PartsAlternate PartsAlternate Parts
Package / Case100-TQFP--64-TQFP64-VQFN Dual Rows, Exposed Pad
Mounting TypeSurface Mount--Surface MountSurface Mount
Operating Temperature-40°C ~ 85°C (TA)---40°C ~ 85°C (TA)-40°C ~ 105°C (TA)
Supply Voltage1.6V ~ 3.6V--1.6V ~ 3.6V1.6V ~ 3.6V
Core ProcessorAVR--AVRAVR
Core Size8/16-Bit--8/16-Bit8/16-Bit
RAM Size8K x 8--8K x 88K x 8
ConnectivityI²C, IrDA, SPI, UART/USART, USB--I²C, IrDA, SPI, UART/USART, USBI²C, IrDA, SPI, UART/USART, USB
Data ConvertersA/D 16x12b--A/D 8x12bA/D 8x12b
EEPROM Size2K x 8--2K x 82K x 8
Number of I/O53--3636
Oscillator TypeInternal--InternalInternal
Action

Cross Reference

Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .

Suggested replacements

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