Microchip Technology ATMEGA328PB-ABTVAO

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATmega, Functional Safety (FuSa)
Packaging | Tape & Reel (TR)
Core Processor AVR
Core Size 8-Bit
Speed 20MHz
Connectivity I2C, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 27
Program Memory Size 32KB (16K x 16)
Program Memory Type FLASH
EEPROM Size 1K x 8
RAM Size 2K x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V
Data Converters A/D 8x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 105°C (TA)
Grade Automotive
Qualification AEC-Q100
Mounting Type Surface Mount
Supplier Device Package 32-TQFP (7x7)
Package / Case 32-TQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATMEGA328PB-ABTVAO from Microchip is a high-performance 8-bit AVR MCU with 32KB flash and 2KB SRAM. It operates from 1.8V to 5.5V at up to 20MHz, featuring BOD, POR, PWM, and WDT. Housed in a 32-TQFP package, it supports industrial temperature ranges from -40°C to 105°C, making it a robust choice for embedded control.

  • Wide voltage range (1.8V-5.5V) enables flexible power design, from single-cell batteries to regulated 5V rails.
  • 20MHz AVR core delivers fast instruction execution, reducing response time in real-time control loops.
  • 32KB flash provides ample code space for complex firmware, avoiding external memory.
  • 105°C operating temperature ensures reliability in harsh thermal environments.

Industrial Sensor Nodes

With 1.8V operation and multiple PWM channels, it efficiently reads analog sensors and drives actuators in low-power factory automation.

Battery-Powered IoT Devices

The 1.8V minimum supply and WDT enable long sleep cycles, making it ideal for wireless environmental monitors.

Motor Control for Drones

20MHz speed and 6 PWM channels allow precise ESC control for small quadcopters.

Automotive Aftermarket Modules

105°C rating and BOD ensure reliable operation in engine bay or cabin lighting controllers.

Portable Medical Instruments

Low voltage and POR protect data integrity in handheld glucose meters or pulse oximeters.

Smart Agriculture Probes

2KB SRAM buffers soil moisture readings while the AVR core processes calibration algorithms at 20MHz.

Q: What is the operating voltage range?
A: 1.8V to 5.5V, suitable for battery and 3.3V/5V systems.
Q: What is the maximum clock speed?
A: 20MHz at 4.5V-5.5V; derated at lower voltages.
Q: How much flash and SRAM does it have?
A: 32KB flash and 2KB SRAM.
Q: What package is available?
A: 32-TQFP, ideal for compact PCB designs.
Q: What is the temperature range?
A: -40°C to 105°C, suitable for industrial environments.
Base Product Number : ATMEGA328PB
20MHz 2KB SRAM 32KB Flash 8-bit 8-bit MCU AVR BOD Industrial IoT Motor Control POR PWM TQFP-32 WDT
Q: What is the operating voltage range?
A: 1.8V to 5.5V, suitable for battery and 3.3V/5V systems.
Q: What is the maximum clock speed?
A: 20MHz at 4.5V-5.5V; derated at lower voltages.
Q: How much flash and SRAM does it have?
A: 32KB flash and 2KB SRAM.
Q: What package is available?
A: 32-TQFP, ideal for compact PCB designs.
Q: What is the temperature range?
A: -40°C to 105°C, suitable for industrial environments.