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
2.7 V ~ 5.5 V
Core
AVR
Program Memory Size
128 kB
ADC Resolution
10 bit
Related Parts Comparison (ATMEGA128A-MU vs ATMEGA128A-MUR vs ATMEGA128A-MN vs ATMEGA128A-ANR)
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 | |
|---|---|---|---|---|
| Mounting Type | SMD/SMT | Surface Mount | Surface Mount | Surface Mount |
| Supply Voltage | 2.7 V ~ 5.5 V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| RAM Size | 4 kB | 4K x 8 | 4K x 8 | 4K x 8 |
| RoHS | Yes | Yes | Yes | Yes |
| Package | VQFN-64 | VQFN-64 | 64-VFQFN Exposed Pad | TQFP-64 |
| Program Memory Size | 128 kB | 128KB (64K x 16) | 128KB (64K x 16) | 128KB (64K x 16) |
| Program Memory Type | Flash | Flash | Flash | Flash |
| Package / Case | -- | 64-VFQFN Exposed Pad | 64-VFQFN Exposed Pad | 64-TQFP |
| Operating Temperature | -- | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) |
| Core Processor | -- | AVR | AVR | AVR |
| Core Size | -- | 8-Bit | 8-Bit | 8-Bit |
| Lifecycle Status | -- | Active | Active | Active |
| 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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