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ATTINY24A-SSU

MCHPATTINY24A-SSU

Microchip Technology
AVR AVR® ATtiny Microcontroller IC 8-Bit 20MHz 2KB (1K x 16) FLASH 14-SOIC
Active13,183 in stock
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Overview

The Microchip ATTINY24A-SSU is an 8-bit AVR microcontroller operating at up to 20MHz. It features 2KB of In-System Self-programmable Flash, 128 bytes of EEPROM, and 128 bytes of SRAM. This compact MCU integrates essential peripherals like a temperature sensor, PWM, Watchdog Timer, and Brown-out Detect/Reset, making it suitable for cost-sensitive and power-constrained designs.

Why Choose This Part

The ATTINY24A-SSU offers a good balance of performance and low power consumption for straightforward embedded applications. Its integrated peripherals and small 14-SOIC package minimize external component count, reducing board space and cost. The AVR architecture is well-supported with development tools and a large community, simplifying the development process.

Applications

Small Embedded Control Systems
Ideal for basic control tasks in appliances, toys, and other consumer electronics where processing power and memory requirements are minimal.
Sensor Interfaces
Can be used to read and process data from various analog and digital sensors, performing simple calculations or transmitting data via its Universal Serial Interface (USI).
Battery-Powered Devices
Its low power consumption, including various sleep modes (Idle, ADC Noise Reduction, Power-down, Standby), makes it suitable for applications requiring extended battery life.
LED Lighting Control
Capable of controlling LED arrays using its PWM capabilities, enabling dimming and basic lighting effects.
Simple Human Interface Devices
Can manage inputs from buttons or switches and drive small displays or indicators, suitable for user interfaces in compact devices.

Key Specifications

Speed 20MHz
RAM Size 128 x 8
Core Size 8-Bit
EEPROM Size 128 x 8
Peripherals Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Connectivity USI
Mounting Type Surface Mount
Number of I/O 12
Core Processor AVR
Package / Case 14-SOIC (0.154", 3.90mm Width)
Data Converters A/D 8x10b
Oscillator Type Internal
Program Memory Size 2KB (1K x 16)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 14-SOIC
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V

Getting Started

Development for the ATTINY24A-SSU typically uses Microchip Studio (formerly Atmel Studio) for coding and debugging. An Atmel-ICE or AVR Dragon programmer/debugger is recommended for in-system programming via the debugWIRE interface or ISP. The official Microchip documentation and application notes provide detailed guidance on peripheral usage and power optimization.

ATTINY24A Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Package Stock
ATTINY24A-SSU (this part) SOIC-14 13,183
ATTINY24A-PU DIP-14 5,931
Also available as: ATTINY24A-SSUR

Also Consider

ATTINY44A-SSU MCHPMicrochip Technology - Offers 4KB Flash and 256 bytes SRAM and EEPROM, providing more memory while retaining a similar feature set and package.
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