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ATMEGA325-16AU

ATMEGA325-16AU

ATMEGA325-16AU

Microchip Technology

32KB 16K x 16 FLASH AVR 8-Bit Microcontroller AVR® ATmega Series ATMEGA325 64 Pin 16MHz 5V 64-TQFP

SOT-23

ATMEGA325-16AU Datasheet

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Specifications
Name Value
Type Parameter
Factory Lead Time 7 Weeks
Contact Plating Tin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 64-TQFP
Surface Mount YES
Number of Pins 64
Supplier Device Package 64-TQFP (14x14)
Number of Terminals 64
Mounting Style SMD/SMT
Interfaces SPI/USART/USI
Data Converters A/D 8x10b
Family Name ATmega325
Instruction Set Architecture RISC
Dimensions 14.1 x 14.1 x 1.05mm
Typical Operating Supply Voltage 2.7 → 5.5 V
Package Type TQFP
Maximum Operating Temperature +85 °C
Minimum Operating Temperature -40 °C
DAC Resolution -
Number of I/Os 54 I/O
Interface Type JTAG, USART, SPI, USI
Manufacturer Microchip
Brand Microchip Technology / Atmel
Tradename AVR
RoHS Details
Package Tray
Base Product Number ATMEGA325
Mfr Microchip Technology
Product Status Active
Package Shape SQUARE
Number of I/O Lines 54
Operating Temperature -40°C~85°C TA
Packaging Tray
Series AVR® ATmega
Published 2011
JESD-609 Code e3
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 64
Termination SMD/SMT
Terminal Finish Matte Tin (Sn)
Additional Feature ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 8 MHZ
Terminal Position QUAD
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Supply Voltage 5V
Terminal Pitch 0.8 mm
Reach Compliance Code compliant
Frequency 16MHz
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number ATMEGA325
Pin Count 64
JESD-30 Code S-PQFP-G64
Qualification Status Not Qualified
Supply Voltage-Max (Vsup) 5.5V
Power Supplies 3/5 V
Temperature Grade INDUSTRIAL
Interface SPI, UART, USART
Memory Size 32kB
Oscillator Type Internal
Number of I/O 54
Speed 16MHz
RAM Size 2K x 8
Memory Type EEPROM, FLASH
Voltage - Supply (Vcc/Vdd) 2.7V~5.5V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC
Core Processor AVR
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Program Memory Type FLASH
Core Size 8-Bit
Program Memory Size 32KB 16K x 16
Connectivity SPI, UART/USART, USI
Supply Current-Max 3 mA
Bit Size 8
Data Converter A/D 8x10b
Watchdog Timer Yes
Access Time 16 μs
Has ADC YES
DMA Channels NO
Data Bus Width 8b
PWM Channels YES
Number of Inputs 53
DAC Channels NO
Seated Height-Max 1.2 mm
Number of Timers/Counters 3
Product Type 8-bit Microcontrollers - MCU
Density 256 kb
ROM (words) 16384
EEPROM Size 1K x 8
CPU Family AVR RISC
RAM (bytes) 2048
Number of ADC Channels 8
ROM Programmability FLASH
Number of PWM Channels 4
Number of I2C Channels 1
Number of SPI Channels 2
Product MCU
Product Category 8-bit Microcontrollers - MCU
Device Core AVR
Height 1.05mm
Length 14.1mm
Width 14.1mm
REACH SVHC No SVHC
Radiation Hardening No
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Pricing & Ordering
Quantity Unit Price Ext. Price
1 $4.67000 $4.67
25 $4.28480 $107.12
100 $3.87280 $387.28
ATMEGA325-16AU Product Details

ATMEGA325-16AU Overview


The package is 64-TQFP-shaped. There are 54 I/Os. In the case of the IC chip, the type of mounting is Surface Mount. Microcontroller is based on the 8-Bit core architecture. The type of program memory it uses is FLASH. Temperatures in the range of -40°C~85°C TA are operated by this Microcontroller. It is part of the AVR® ATmega series of electrical components. Having a size of 32KB 16K x 16, Microcontroller has a program memory of X bytes. A AVR Core Processor is at the core of this Microcontroller. This device belongs to the MICROCONTROLLER, RISC uPs/uCs/Peripheral ICs category. IC Chip 64 has 64 terminations. 8-bits are used for its size. IC Chip has 5V volt supply outputs. With NO DMA channels, Microcontroller chip can handle large data transfers. 32kB is the size of the memory in the IC part. Using the base part number ATMEGA325, you will be able to find alternatives for the part. Using a 16MHz frequency, this electronic part can perform efficiently. Devices work in YES PWM channels. On the chip, 64 pins are accessible. In total, there are 3 timers/counters on the device. The pin count is 64. There is an embedded the AVR RISC CPU family inside the device, which makes it a powerful device. There is EEPROM, FLASH memory on this piece of equipment. In addition to the above, there are other features such as ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 8 MHZ, to name but a few. The ADC channel count on this device totals up to 8 channels. In order for the device to function, it uses 4 PWM channels. 1 I2C channels are integrated by the part.

ATMEGA325-16AU Features


64-TQFP package
Mounting type of Surface Mount


ATMEGA325-16AU Applications


There are a lot of Microchip Technology
ATMEGA325-16AU Microcontroller applications.


  • Instrument control
  • Toys
  • Robots
  • Radio
  • Television
  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers

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