ATTINY45-20SU

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ATTINY45-20SU

IC MCU 8BIT 4KB FLASH 8SOIC

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Specifications

Package Bulk
Series AVR® ATtiny, Functional Safety (FuSa)
ProductStatus Active
CoreProcessor AVR
CoreSize 8-Bit
Speed 20MHz
Connectivity USI
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
NumberofI/O 6
ProgramMemorySize 4KB (2K x 16)
ProgramMemoryType FLASH
EEPROMSize 256 x 8
RAMSize 256 x 8
Voltage-Supply(Vcc/Vdd) 2.7V ~ 5.5V
DataConverters A/D 4x10b
OscillatorType Internal
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.209, 5.30mm Width)

Overview

Description

The ATTINY45-20SU is a low-power 8-bit microcontroller from Atmel (now part of Microchip Technology) that is part of the AVR family. It is designed for embedded applications requiring compact size and energy efficiency. The chip features 4K bytes of Flash memory, 256 bytes of SRAM, and 256 bytes of EEPROM, making it suitable for small projects and prototypes.
Operating at a maximum clock speed of 20 MHz, the ATTINY45 supports various digital I/O functions, including up to 6 general-purpose I/O pins. It includes built-in peripherals like a 10-bit ADC, timers, and a Universal Serial Interface (USI) for data communication. The microcontroller is available in a compact 8-pin SOIC package, making it ideal for space-constrained designs.
Its low power consumption can be further optimized with sleep modes, making it suitable for battery-powered devices. The ATTINY45 is commonly programmed using the Arduino IDE or AVR programming tools, making it accessible for hobbyists and professionals alike.

Features

The ATTINY45-20SU is a low-power 8-bit microcontroller from Microchip's AVR family. Key features include:
- Flash Memory: 4 KB for program storage.
- SRAM: 512 bytes of data memory.
- EEPROM: 256 bytes for non-volatile data storage.
- Clock Speed: Operates at up to 20 MHz.
- I/O Pins: 5 general-purpose I/O pins.
- ADC: 10-bit Analog-to-Digital Converter with 4 channels.
- Timers: 1 x 8-bit and 1 x 16-bit Timer/Counters for various timing applications.
- PWM: Supports Pulse Width Modulation for motor control and signal generation.
- Communication Interfaces: SPI and I2C for communication with other devices.
- Low Power Modes: Various sleep modes for energy efficiency.
- Packages: Available in 8-pin SOIC and other configurations.
The ATTINY45 is suitable for applications in embedded systems, sensor interfacing, and low-power devices.

Package

The ATTINY45-20SU is packaged in a 8-pin SOIC (Small Outline Integrated Circuit) format. This surface-mount package is designed for space-efficient applications while providing easy soldering and assembly.

Pinout

The ATtiny45-20SU is an 8-bit microcontroller from the AVR family by Microchip Technology. It comes in a 20-pin SOIC (Small Outline Integrated Circuit) package.
Pin Count: 20 pins
Pin Functions:
1. Vcc - Power supply (+2.7V to +5.5V)
2. GND - Ground reference
3. PB0 to PB5 - General-purpose I/O pins (6 pins)
- PB0: Digital I/O, also functions as Timer/Counter output
- PB1: Digital I/O, also functions as Analog Comparator input
- PB2: Digital I/O, also functions as Timer/Counter output
- PB3: Digital I/O, also functions as SPI (MOSI)
- PB4: Digital I/O, also functions as SPI (MISO)
- PB5: Digital I/O, also functions as SPI (SCK)
4. RESET - Reset input
5. VREF - Voltage reference for ADC (Analog-to-Digital Converter)
6. ADC0 to ADC3 - Analog input channels (4 pins)
The ATtiny45 is suitable for various applications, including sensor interfacing and control systems, due to its compact size and versatile I/O capabilities.

Manufacturer

The ATTINY45-20SU is manufactured by Microchip Technology Inc., a leading semiconductor company. Microchip specializes in microcontrollers, memory products, and analog components, providing solutions for various applications in automotive, industrial, consumer, and telecommunications markets. The company is well-known for its development tools and embedded systems design support, catering to engineers and developers in a wide range of industries. Microchip's products are widely used in both commercial and hobbyist projects, particularly in the fields of robotics, IoT, and automation.

Application

The ATTINY45-20SU is commonly used in various applications including consumer electronics, automotive systems, battery-operated devices, and DIY projects. Its features make it suitable for tasks such as sensor interfacing, LED control, simple automation, and low-power data logging. Additionally, it's ideal for prototyping and educational purposes due to its ease of use and cost-effectiveness.

Equivalent

Equivalent products to the ATTINY45-20SU include the ATtiny85, ATtiny25, and other ATtiny series microcontrollers with similar features and specifications. The ATtiny85 offers a similar 8-bit AVR architecture, comparable memory size, and pin configuration, making it a suitable alternative. Always check specific requirements like I/O pins, memory, and operating voltage for compatibility.

Shipping

Shipping MethodsWe

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

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3. Wire Transfer

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