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ATTINY45-20PU

Name: ATTINY45-20PU
Rating: 4.7 (12 reviews)

IC MCU 8BIT 4KB FLASH 8DIP

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Mfr。パート #ATTINY45-20PU
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データシート ATTINY45-20PU DataSheet
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仕様

Series	AVR® ATtiny, Functional Safety (FuSa)
Part Status	Active
DigiKey Programmable	Verified
Core Processor	AVR
Core Size	8-Bit
Speed	20MHz
Connectivity	USI
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O	6
Program Memory Size	4KB (2K x 16)
Program Memory Type	FLASH
EEPROM Size	256 x 8
RAM Size	256 x 8
Voltage - Supply (Vcc/Vdd)	2.7V ~ 5.5V
Data Converters	A/D 4x10b
Oscillator Type	Internal
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Through Hole
Supplier Device Package	8-PDIP
Package / Case	8-DIP (0.300", 7.62mm)
Base Product Number	ATTINY45

概要

Description

The ATTINY45-20PU is a low-power 8-bit microcontroller from Microchip Technology, part of the AVR family. It features 4KB of flash memory, 512 bytes of SRAM, and 256 bytes of EEPROM. Operating at a maximum clock speed of 20 MHz, it supports a range of I/O operations with 5 GPIO pins. The device can be powered from 2.7V to 5.5V, making it suitable for battery-operated applications.
Key features include various timers, analog-to-digital converters (ADC), and support for PWM (Pulse Width Modulation), which makes it versatile for projects like sensor interfacing, motor control, and LED dimming. The microcontroller can be programmed using the Arduino IDE or AVR programming tools.
Its small 8-pin DIP package makes it ideal for compact designs. The ATTINY45-20PU is widely used in hobbyist projects, robotics, and simple embedded systems due to its ease of use and low power consumption.

Features

The ATtiny45-20PU is an 8-bit microcontroller from Microchip's ATtiny family, featuring a 20 MHz maximum clock speed. It has a 32 x 8-bit general-purpose SRAM, 2 KB flash memory for program storage, and 128 bytes of EEPROM. The device includes 6 I/O pins, which can be configured for various functions, making it versatile for different applications.
Key features include:
- Low Power Consumption: Designed for battery-operated devices.
- Analog Comparators: Provides 1 analog comparator.
- Timers: Equipped with two 8-bit timers and one 16-bit timer for precise timing applications.
- ADC: 10-bit ADC with up to 8 channels.
- Communication Interfaces: Supports SPI and I2C for easy interfacing with other devices.
- Internal Oscillator: Built-in oscillator options for flexibility.
The ATtiny45 is suitable for compact projects in embedded systems, robotics, and consumer electronics, where space and power efficiency are critical.

Package

The ATTINY45-20PU is packaged in an 8-pin PDIP (Plastic Dual In-line Package) configuration.

Pinout

The ATTINY45-20PU is an 8-bit AVR microcontroller with a total of 8 pins. Here’s a brief overview of its pin configuration and functions:
1. Pin 1 (Reset): Active low reset.
2. Pin 2 (PB3/ADC3): General I/O or ADC input.
3. Pin 3 (PB4/ADC2): General I/O or ADC input.
4. Pin 4 (PB2/ADC1): General I/O or ADC input.
5. Pin 5 (PB1/ADC0): General I/O or ADC input.
6. Pin 6 (PB0): General I/O or Timer/Counter output.
7. Pin 7 (GND): Ground.
8. Pin 8 (VCC): Power supply (typically 2.7V to 5.5V).
The ATTINY45 features 4 KB of Flash memory, 256 bytes of SRAM, and supports various functionalities like PWM, ADC, and general-purpose I/O operations. It operates at a maximum clock frequency of 20 MHz.

Manufacturer

The manufacturer of the ATTINY45-20PU is Microchip Technology Inc. Microchip is a leading semiconductor company that specializes in developing microcontroller, memory, and analog products. Founded in 1989, the company is known for its expertise in embedded control solutions and offers a wide range of products for various applications, including automotive, industrial, consumer electronics, and IoT (Internet of Things). Microchip’s focus on innovation and reliability has established it as a key player in the semiconductor industry, catering to both small-scale and large-scale projects.

Application

The ATTINY45-20PU is widely used in various applications, including sensor interfaces, simple robotics, home automation, LED control, and low-power consumer electronics. Its compact size and low power consumption make it ideal for wearable devices, IoT projects, and educational tools. Additionally, it serves in data logging, motor control, and as a microcontroller for DIY electronics projects.

Equivalent

Equivalent products to the ATTINY45-20PU include the ATTINY85-20PU, which offers similar functionality and pin configuration. Other alternatives are the Microchip PIC12F675 and the Microchip PIC10F200, although they may differ in architecture and I/O capabilities. Always verify specific requirements such as voltage, current, and memory size before substitution.