Microchip Technology ATXMEGA128B3-MCU Microcontroller, Microprocessor, FPGA Modules
IC MCU 8/16BIT 128KB FLSH 64VQFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATXMEGA128B3-MCU
Detailed Description
IC MCU 8/16BIT 128KB FLSH 64VQFN
Package
64-VQFN Dual Rows, Exposed Pad
Key Features
Package / Case: 64-VQFN Dual Rows, Exposed Pad; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
ATXMEGA128B3-MCU Datasheet
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Technical Specifications
Microchip Technology ATXMEGA128B3-MCU Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
Series
XMEGA B3
RAM Size
8K x 8
Data Bus Width
8 bit/16 bit
Maximum Clock Frequency
32 MHz
RoHS
Yes
Package / Case
64-VQFN Dual Rows, Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.6V ~ 3.6V
Lifecycle Status
Active
Related Parts Comparison (ATXMEGA128B3-MCU vs ATXMEGA32E5-ANR vs ATXMEGA128B3-MHR vs ATXMEGA16C4-AUR)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Series | XMEGA B3 | AVR® XMEGA® E5 | AVR® XMEGA® B3 | AVR® XMEGA® C4 |
| Package / Case | 64-VQFN Dual Rows, Exposed Pad | 32-TQFP | 64-VFQFN Exposed Pad | 44-TQFP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 1.6V ~ 3.6V | 1.6V ~ 3.6V | 1.6V ~ 3.6V | 1.6V ~ 3.6V |
| Core Processor | AVR | AVR | AVR | AVR |
| Core Size | 8/16-Bit | 8/16-Bit | 8/16-Bit | 8/16-Bit |
| RAM Size | 8K x 8 | 4K x 8 | 8K x 8 | 2K x 8 |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Connectivity | I²C, IrDA, SPI, UART/USART, USB | I²C, IrDA, SPI, UART/USART | I²C, IrDA, SPI, UART/USART, USB | I²C, IrDA, SPI, UART/USART, USB |
| Data Converters | A/D 8x12b | A/D 16x12b; D/A 2x12b | A/D 8x12b | A/D 16x12b |
| 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
NXP
IC MCU 16BIT 128KB FLASH 100LQFP
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Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.