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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATtiny
Packaging | Tube
Core Processor AVR
Core Size 8-Bit
Speed 4MHz
Connectivity -
Peripherals POR, WDT
Number of I/O 11
Program Memory Size 2KB (1K x 16)
Program Memory Type FLASH
EEPROM Size -
RAM Size -
Voltage - Supply (Vcc/Vdd) 2.7V ~ 5.5V
Data Converters -
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Through Hole
Supplier Device Package 28-PDIP
Package / Case 28-DIP (0.300", 7.62mm)

ATTINY28L-4PI - High-Performance 8-Bit AVR Microcontroller

The ATTINY28L-4PI from Microchip Technology is a powerful 8-bit AVR microcontroller designed for embedded and industrial applications. With its compact 28-PDIP through-hole package and robust feature set, this microcontroller delivers reliable performance for a wide range of design requirements.

Key Features & Benefits

  • AVR Core Architecture: Industry-proven 8-bit RISC processor for efficient code execution
  • 4MHz Operating Speed: Balanced performance for power-sensitive applications
  • 2KB Flash Memory: Ample program storage for embedded control logic
  • Wide Voltage Range: Operates from 2.7V to 5.5V for flexible power supply options
  • 11 I/O Pins: Sufficient GPIO for interfacing with sensors, displays, and peripherals
  • Industrial Temperature Range: Rated for -40°C to 85°C operation in harsh environments
  • Through-Hole Package: Easy prototyping and reliable PCB mounting in 28-DIP format
  • Built-in Peripherals: Includes POR (Power-On Reset) and WDT (Watchdog Timer) for system reliability

Ideal Applications

Perfect for industrial control systems, sensor interfaces, battery-powered devices, automotive electronics, home automation, and embedded system prototyping where authentic components and long-term availability matter.

Why Choose HQICKEY?

At HQICKEY, we specialize in authentic sourcing and lifecycle support for premium semiconductors. Every component is backed by our commitment to quality, technical documentation, and engineering-focused content to support your design decisions.

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