Microchip Technology ATTINY45-20XU

The ATTINY45-20XU is a high-performance, low-power Microchip AVR® 8-bit microcontroller that combines 4KB ISP flash memory, 256-Byte EEPROM, 256-Byte SRAM, 6 general-purpose I/O lines, 32 general-purpose working registers, and more, all in a compact package. This versatile microcontroller runs at a clock speed of up to 20MHz and operates between 2.7-5.5 volts.

With its advanced RISC architecture, the ATTINY45-20XU delivers throughput approaching 1 MIPS per MHz, balancing power consumption and processing speed. It is designed to support a wide range of applications, from simple consumer electronics to complex embedded systems.

Key Features:

• High-Performance, Low-Power AVR® 8-Bit Microcontroller
• Advanced RISC Architecture – 120 powerful instructions, most executable in a single clock cycle.
• Non-volatile Program and Data Memories – 4KB of in-system programmable flash, 256B EEPROM, and 256B SRAM.
• Peripheral Features – One 8-bit timer/counter with compare modes, one high-speed timer/counter, USI-Universal Serial Interface, 10-bit ADC, and programmable watchdog timer with internal oscillator.
• External and Internal Interrupt Sources
• Up to 20 MIPS Throughput at 20MHz
• Low Power Consumption
• Wide Operating Voltage Range – 2.7V to 5.5V.

Applications:

Ideal for a variety of applications, the ATTINY45-20XU excels in areas such as automotive, industrial, consumer, and Internet of Things (IoT). Its small size and powerful feature set make it suitable for system management, touch controls, LED lighting control, battery management, and other embedded systems.

Package and Availability:

The ATTINY45-20XU comes in a 20-lead TSSOP package and is available for purchase from Microchip Technology and authorized distributors. Its robust design and extended temperature range make it suitable for demanding applications in various environments.