Microchip Technology ATMEGA325A-MU Microcontrollers
IC MCU 8BIT 32KB FLASH 64QFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATMEGA325A-MU
Base Model
Detailed Description
IC MCU 8BIT 32KB FLASH 64QFN
Package
64-VFQFN Exposed Pad
Lifecycle Status
Active
Datasheet
ATMEGA325A-MU Datasheet
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Technical Specifications
Microchip Technology ATMEGA325A-MU Microcontrollers technical specifications.
General
Series
ATmega325A
RAM Size
2K x 8
Data Bus Width
8 bit
Maximum Clock Frequency
20 MHz
RoHS
Yes
Package / Case
64-VFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.8V ~ 5.5V
Lifecycle Status
Active
Related Parts Comparison (ATMEGA325A-MU vs ATMEGA325A-MNR vs ATMEGA325A-AU vs ATMEGA325A-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 | |
|---|---|---|---|---|
| Package / Case | 64-VFQFN Exposed Pad | 64-VFQFN Exposed Pad | 64-TQFP | 64-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 ~ 105°C (TA) |
| Supply Voltage | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V |
| Core Processor | AVR | AVR | AVR | AVR |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| RAM Size | 2K x 8 | 2K x 8 | 2K x 8 | 2K x 8 |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Connectivity | SPI, UART/USART, USI | SPI, UART/USART, USI | SPI, UART/USART, USI | SPI, UART/USART, USI |
| Data Converters | A/D 8x10b | A/D 8x10b | A/D 8x10b | A/D 8x10b |
| EEPROM Size | 1K x 8 | 1K x 8 | 1K x 8 | 1K x 8 |
| 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
MC9S08QE32CFTNXP SemiconductorsNXP
IC MCU 8BIT 32KB FLASH 48QFN
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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.
