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ATMEGA328P-PU

Part Number: ATMEGA328P-PU
Manufacturer: Microchip
Part Type: Integrated Circuits (ICs) > Embedded Processors and Controllers > Microcontrollers > ATMEGA328P-PU
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Description: Microchip - ATMEGA328P-PU - Microcontroller Mcu, 8 Bit, Atmega, 20MHZ, DIP-28

04/24/2026 – There are 515 pieces pieces of Part Number ATMEGA328P-PU Available.

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Microchip - ATMEGA328P-PU - Microcontroller Mcu, 8 Bit, Atmega, 20MHZ, DIP-28

Specifications

TYPE DESCRIPTION
Case/Package PDIP
Contact Plating Tin
Mount Through Hole
Number of Pins 28
Core Architecture AVR
Data Bus Width 8 b
Frequency 20 MHz
Interface 2-Wire, I2C, SPI, UART, USART
Max Frequency 20 MHz
Max Operating Temperature 85 °C
Max Supply Voltage 5.5 V
Memory Size 32 kB
Memory Type FLASH
Min Operating Temperature -40 °C
Min Supply Voltage 1.8 V
Number of ADC Channels 6
Number of I2C Channels 1
Number of I/Os 23
Number of Programmable I/O 23
Number of PWM Channels 6
Number of SPI Channels 1
Number of Timers/Counters 3
Oscillator Type Internal
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
RAM Size 2 kB
Schedule B 8542310000
Watchdog Timer Yes
Height 3.28 mm
Length 37.4 mm
Width 6.76 mm

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