ATTINY85-20PU risingsaplings Microcontroller 8KB Flash 512B RAM 20MHz

Description

Product Overview

The ATTINY85-20PU from risingsaplings is a highly integrated 8‑bit microcontroller housed in a DIP‑8 package, designed for space‑constrained designs and low‑power applications. It offers 8KB of programmable flash memory, 512B of SRAM, and a maximum operating frequency of 20 MHz, providing ample processing headroom for a variety of control tasks. The device operates across a wide voltage range of 2.7 V to 5.5 V, making it suitable for battery‑powered devices, energy‑harvesting systems, and standard 5 V logic environments. Core peripherals include brown‑out detection, power‑on reset (POR), pulse‑width modulation (PWM) channels, a watchdog timer, and a flexible I/O configuration that can be programmed for digital, analog, or communication functions. The package dimensions of 2.36 × 3.15 × 0.55 inches and a weight of just 0.634 oz ensure easy integration onto compact PCBs while maintaining mechanical robustness.

Usage

This microcontroller excels in a broad spectrum of real‑world applications. Its low power consumption and small footprint make it an ideal choice for wearable electronics, remote sensors, and IoT devices that require intermittent operation and long battery life. Hobbyists and makers appreciate the straightforward programming model and compatibility with popular development environments, enabling rapid prototyping of LED controllers, motor drivers, and simple communication interfaces such as I²C or SPI. In industrial settings, the ATTINY85‑20PU can be deployed for status monitoring, control of small actuators, and as a reliable component in safety‑critical systems where deterministic behavior and built‑in fault detection are essential. The device’s ability to operate from 2.7 V to 5.5 V also allows it to be powered directly from a wide range of sources, including coin cells, supercapacitors, and regulated supplies.

Why Choose Us

Choosing the ATTINY85‑20PU from risingsaplings means selecting a product backed by rigorous quality assurance and a reputation for reliability. Each unit undergoes comprehensive testing to verify flash integrity, timing accuracy, and peripheral functionality, ensuring that you receive a component that meets or exceeds industry standards. Our dedicated technical support team is available to assist with design integration, firmware development, and troubleshooting, providing you with the confidence to bring your projects to market quickly. In addition, the device benefits from a robust supply chain, guaranteeing consistent availability and competitive pricing for both low‑volume prototypes and high‑volume production runs. The combination of performance, flexibility, and support makes this microcontroller a cost‑effective solution for engineers seeking to balance feature richness with simplicity.

Key Features

• Compact DIP‑8 package saves board space while delivering full microcontroller capabilities.
• 8KB flash and 512B RAM provide ample memory for code and data in small projects.
• Wide operating voltage (2.7‑5.5 V) enables flexible power source options, from batteries to regulated supplies.
• Integrated peripherals such as PWM, watchdog timer, and brown‑out detection simplify circuit design.
• Responsive technical support and reliable supply chain ensure smooth development and production.

FAQ

What development tools are compatible with the ATTINY85‑20PU?

The microcontroller is compatible with popular AVR development environments, including Atmel Studio, Arduino IDE (with appropriate core libraries), and AVR‑GNU toolchain, allowing you to choose the workflow that best fits your project.

Can the ATTINY85‑20PU operate in low‑power sleep modes?

Yes, the device includes several power‑saving modes, such as idle, power‑down, and standby, which can reduce current consumption to a few microamperes, extending battery life for intermittent‑operation applications.

Is the flash memory reprogrammable?

Absolutely. The 8KB flash can be erased and rewritten multiple times, supporting iterative development and firmware updates in the field.

How many I/O pins are available for general‑purpose use?

All six I/O pins of the DIP‑8 package can be configured as digital inputs, outputs, or analog functions, providing flexibility for sensor interfacing, LED control, and communication protocols.

What is the typical operating temperature range?

The ATTINY85‑20PU is rated for -40 °C to +85 °C, making it suitable for both consumer electronics and industrial environments where temperature variations are expected.