ATtiny85 AVR 8-Bit Microcontroller IC DIP-8

ATtiny85 AVR 8-Bit Microcontroller IC DIP-8 is a high-performance, low-power RISC-based microcontroller that packs a surprising amount of processing power into a compact 8-pin package. Furthermore, this versatile chip features 8KB of programmable flash memory and 512 bytes of EEPROM, making it a favorite for projects where space is at a premium. By executing powerful instructions in a single clock cycle, the ATtiny85 achieves throughputs approaching 1 MIPS per MHz. Consequently, you can optimize power consumption versus processing speed to suit your specific application needs. Whether you are designing wearable electronics or simple logic controllers, the ATtiny85 provides the reliability of the AVR architecture in a truly minimalistic form factor.

Key Features:

• High-Performance RISC Architecture: The chip utilizes 120 powerful instructions, most of which execute in a single clock cycle, to deliver efficient processing.
• Advanced Memory: It includes 8KB of In-System Self-Programmable Flash, 512B EEPROM, and 512B internal SRAM for flexible data storage and code execution.
• Peripheral Versatility: The device features one 8-bit and one 8-bit high-speed Timer/Counter with separate prescalers, along with a Universal Serial Interface (USI).
• Analog Capabilities: It provides a 10-bit ADC with 4 single-ended channels and 2 differential ADC channel pairs with programmable gain.
• Low Power Consumption: Three distinct sleep modes (Idle, ADC Noise Reduction, and Power-down) allow developers to significantly extend battery life.

Technical Specifications:

• Core: AVR 8-bit RISC
• Operating Voltage: 2.7 V to 5.5 V (for ATtiny85) or 1.8 V to 5.5 V (for ATtiny85V)
• Maximum Operating Frequency: 20 MHz
• I/O Pins: 6 Programmable I/O Lines
• Operating Temperature Range: −40°C to +85°C
• Flash Memory: 8K Bytes
• SRAM: 512 Bytes
• EEPROM: 512 Bytes

Mechanical Specifications:

• Package Type: DIP-8 (Dual In-line Package)
• Number of Pins: 8 Pins
• Mounting Style: Through-Hole
• Lead Finish: Matte Tin

Dimensions:

• Body Length: ≈ 9.27 mm
• Body Width: ≈ 6.35 mm
• Pin Pitch: 2.54 mm
• Row Spacing: 7.62 mm

Pinout and Wiring:

• Pin 1 (PB5/RESET): Functions as the Reset pin or a general-purpose I/O line.
• Pin 2 (PB3): Digital I/O or Analog Input 3 (ADC3).
• Pin 3 (PB4): Digital I/O or Analog Input 2 (ADC2).
• Pin 4 (GND): Connect to the system ground.
• Pin 5 (PB0): Digital I/O, MOSI for SPI, or SDA for I2C communication.
• Pin 6 (PB1): Digital I/O, MISO for SPI, or PWM output.
• Pin 7 (PB2): Digital I/O, SCK for SPI, or SCL for I2C.
• Pin 8 (VCC): Connect to the positive supply voltage (typically 3.3V or 5V).

Datasheet Reference:

• Download Microchip ATtiny85 Datasheet

Commonly Used in:

• Arduino-Compatible Projects: Makers often program this IC using the Arduino IDE via an ISP programmer.
• Compact Prototypes: It serves as a space-saving alternative to the larger ATmega328P.
• Battery Powered Gadgets: Its ultra-low power sleep modes make it ideal for coin-cell operated devices.

Applications:

• Small Robotics: Controls simple servo movements and sensor readings in miniature robots.
• Wearable Tech: Powers LED displays and basic biometric sensors in smart clothing.
• Consumer Electronics: Manages button inputs and status indicators in household appliances.
• Signal Conversion: Acts as a bridge for simple analog-to-digital data processing tasks.

Equivalent Models:

• ATtiny45: Features the same architecture but with 4KB of flash memory.
• ATtiny25: Features the same architecture but with 2KB of flash memory.
• PIC12F683: However, this is a Microchip PIC architecture equivalent with similar pin counts and capabilities.

Package Includes:

• 1 x ATtiny85 AVR 8-Bit Microcontroller IC DIP-8