Skip to main content

Microchip Technology ATMEGA325A-MN Microcontroller, Microprocessor, FPGA Modules

IC MCU 8BIT 32KB FLASH 64QFN

2,913 ActiveMicrochip Technology64-VFQFN Exposed PadRoHS
ATMEGA325A-MN 64-VFQFN Exposed Pad package illustration

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

ATMEGA325A-MN
Part Number (MPN)
ATMEGA325A-MN
Detailed Description
IC MCU 8BIT 32KB FLASH 64QFN
Package
64-VFQFN Exposed Pad
Key Features
Package / Case: 64-VFQFN Exposed Pad; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
PDF ATMEGA325A-MN Datasheet
Quick Jump:
Ready to order?In stock and ready to ship.
Competitive Pricing
Fast & Reliable Delivery
Quality Assured

Technical Specifications

Microchip Technology ATMEGA325A-MN Microcontroller, Microprocessor, FPGA Modules 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 ~ 105°C (TA)
Supply Voltage
1.8V ~ 5.5V
Lifecycle Status
Active

Alternate Parts Comparison (ATMEGA325A-MN vs ATMEGA329V-8MUR vs ATMEGA649-16MUR vs ATMEGA329-16MU)

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

This PartAlternate PartsAlternate PartsAlternate Parts
Package / Case64-VFQFN Exposed Pad64-VFQFN Exposed Pad64-VFQFN Exposed Pad64-VFQFN Exposed Pad
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
Operating Temperature-40°C ~ 105°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)
Supply Voltage1.8V ~ 5.5V1.8V ~ 5.5V2.7V ~ 5.5V2.7V ~ 5.5V
Core ProcessorAVRAVRAVRAVR
Core Size8-Bit8-Bit8-Bit8-Bit
RAM Size2K x 82K x 84K x 82K x 8
ConnectivitySPI, UART/USART, USISPI, UART/USART, USISPI, UART/USART, USISPI, UART/USART, USI
Data ConvertersA/D 8x10bA/D 8x10bA/D 8x10bA/D 8x10b
EEPROM Size1K x 81K x 82K x 81K x 8
Number of I/O54545354
Oscillator TypeInternalInternalInternalInternal
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

More Parts in Microcontrollers

Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.