Microchip Technology ATMEGA128A-MU Microcontrollers
IC MCU 8BIT 128KB FLASH 64QFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATMEGA128A-MU
Base Model
Detailed Description
IC MCU 8BIT 128KB FLASH 64QFN
Package
VQFN-64
Lifecycle Status
Active
Datasheet
ATMEGA128A-MU Datasheet
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Technical Specifications
Microchip Technology ATMEGA128A-MU Microcontrollers technical specifications.
General
Series
ATmega128A
RAM Size
4 kB
Data Bus Width
8 bit
Maximum Clock Frequency
16 MHz
RoHS
Yes
Mounting Type
SMD/SMT
Supply Voltage
5.5 V
Core
AVR
Program Memory Size
128 kB
ADC Resolution
10 bit
Alternate Parts Comparison (ATMEGA128A-MU vs ATMEGA128A-MUR vs ATMEGA128A-MN vs ATMEGA128A-ANR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | -- | 64-VFQFN Exposed Pad | 64-VFQFN Exposed Pad | 64-TQFP |
| Mounting Type | SMD/SMT | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -- | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) |
| Supply Voltage | 5.5 V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Core Processor | -- | AVR | AVR | AVR |
| Core Size | -- | 8-Bit | 8-Bit | 8-Bit |
| RAM Size | 4 kB | 4K x 8 | 4K x 8 | 4K x 8 |
| Connectivity | -- | EBI/EMI, I²C, SPI, UART/USART | EBI/EMI, I²C, SPI, UART/USART | EBI/EMI, I²C, SPI, UART/USART |
| Data Converters | -- | A/D 8x10b | A/D 8x10b | A/D 8x10b |
| EEPROM Size | -- | 4K x 8 | 4K x 8 | 4K x 8 |
| Number of I/O | -- | 53 | 53 | 53 |
| Oscillator Type | -- | Internal | Internal | Internal |
| 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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