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ATTINY45-20SU
+BOMIC MCU 8BIT 4KB FLASH 8SOIC
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ManufacturerAtmel
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Mfr. Part #ATTINY45-20SU
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Datasheet ATTINY45-20SU DataSheet
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Package SOIJ-8
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In Stock4692
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Specifications
| Attribute | Value |
| Package / Case | Bulk |
| Series | AVR® ATtiny, Functional Safety (FuSa) |
| Part Status | Active |
| 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 | Surface Mount |
Overview
Description
The ATTINY45-20SU is an 8-bit microcontroller from Microchip Technology, designed for embedded applications. It belongs to the AVR family and features a compact design suitable for space-constrained projects. The 20SU denotes a speed grade of up to 20 MHz and a SOIC (Small Outline Integrated Circuit) package.
Key specifications include:
- Core: AVR 8-bit RISC
- Flash Memory: 4KB
- SRAM: 256 bytes
- EEPROM: 256 bytes
- I/O Pins: 6
- Operating Voltage: 2.7V to 5.5V
- Timers: One 8-bit and one 16-bit
- ADC: 4-channel, 10-bit
- Brown-out Detection (BOD)
The ATTINY45-20SU supports various communication interfaces, such as SPI and I2C, which facilitate interaction with other devices. Due to its low power consumption, it's ideal for battery-powered devices. The microcontroller can be programmed using the AVR toolchain, which includes software like Atmel Studio and libraries for efficient development. Its small size and versatile features make it suitable for applications in automation, IoT, and consumer electronics.
Key specifications include:
- Core: AVR 8-bit RISC
- Flash Memory: 4KB
- SRAM: 256 bytes
- EEPROM: 256 bytes
- I/O Pins: 6
- Operating Voltage: 2.7V to 5.5V
- Timers: One 8-bit and one 16-bit
- ADC: 4-channel, 10-bit
- Brown-out Detection (BOD)
The ATTINY45-20SU supports various communication interfaces, such as SPI and I2C, which facilitate interaction with other devices. Due to its low power consumption, it's ideal for battery-powered devices. The microcontroller can be programmed using the AVR toolchain, which includes software like Atmel Studio and libraries for efficient development. Its small size and versatile features make it suitable for applications in automation, IoT, and consumer electronics.
Equivalent
Equivalent products to the ATTINY45-20SU chip include the ATTINY25-20SUand ATTINY85-20SU from Microchip Technology, as they are part of the same AVR microcontroller family with similar features but differing in memory size. Other comparable options are the STM8S003F3P6from STMicroelectronics and the PIC12F675 from Microchip, offering similar functionalities in small-package microcontrollers. Always ensure compatibility with your specific application requirements when considering alternatives.
Features
The ATTINY45-20SU is an 8-bit microcontroller from Microchip Technology, part of the AVR ATtiny series. Key features include:
1. Core: AVR 8-bit RISC architecture.
2. Flash Memory: 4KB for program storage.
3. SRAM: 256 bytes for data storage.
4. EEPROM: 256 bytes for non-volatile data storage.
5. Speed: Operates at up to 20 MHz with an external clock.
6. Peripherals:
- 10-bit ADC with up to 4 channels.
- USI (Universal Serial Interface) capable of SPI, I2C modes.
- Watchdog Timer for system monitoring.
- Analog Comparator.
7. GPIO: 6 I/O pins, offering flexible configuration.
8. Timers: Two 8-bit timers/counters.
9. Package: Available in an 8-pin SOIC (Small Outline Integrated Circuit) package.
10. Voltage: Operates from 2.7V to 5.5V.
11. Low Power: Includes sleep modes for reduced power consumption.
12. Programming: Supports in-system programming.
It is suitable for compact and low-power applications, providing a balance of features for simple control tasks.
1. Core: AVR 8-bit RISC architecture.
2. Flash Memory: 4KB for program storage.
3. SRAM: 256 bytes for data storage.
4. EEPROM: 256 bytes for non-volatile data storage.
5. Speed: Operates at up to 20 MHz with an external clock.
6. Peripherals:
- 10-bit ADC with up to 4 channels.
- USI (Universal Serial Interface) capable of SPI, I2C modes.
- Watchdog Timer for system monitoring.
- Analog Comparator.
7. GPIO: 6 I/O pins, offering flexible configuration.
8. Timers: Two 8-bit timers/counters.
9. Package: Available in an 8-pin SOIC (Small Outline Integrated Circuit) package.
10. Voltage: Operates from 2.7V to 5.5V.
11. Low Power: Includes sleep modes for reduced power consumption.
12. Programming: Supports in-system programming.
It is suitable for compact and low-power applications, providing a balance of features for simple control tasks.
Pinout
The ATtiny45-20SU is an 8-bit microcontroller from the Atmel AVR series, now under Microchip Technology. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin configuration and functions:
1. VCC (Pin 8): Power supply voltage.
2. GND (Pin 4): Ground reference.
3. PB0 (Pin 5): I/O pin with alternative functions such as ADC (Analog-to-Digital Converter), PWM (Pulse Width Modulation), and external interrupts.
4. PB1 (Pin 6): I/O pin, also used for ADC and PWM.
5. PB2 (Pin 7): I/O pin, supports ADC, PWM, and can act as an external interrupt.
6. PB3 (Pin 2): I/O pin, also used for ADC, PWM, and as a USI (Universal Serial Interface) for SPI (Serial Peripheral Interface).
7. PB4 (Pin 3): I/O pin with ADC, PWM, and serves as the USI clock in SPI mode.
8. RESET (Pin 1): Can function as a reset pin or be configured as a digital input.
The ATtiny45-20SU is designed for low-power, high-performance applications with a reduced pin count.
1. VCC (Pin 8): Power supply voltage.
2. GND (Pin 4): Ground reference.
3. PB0 (Pin 5): I/O pin with alternative functions such as ADC (Analog-to-Digital Converter), PWM (Pulse Width Modulation), and external interrupts.
4. PB1 (Pin 6): I/O pin, also used for ADC and PWM.
5. PB2 (Pin 7): I/O pin, supports ADC, PWM, and can act as an external interrupt.
6. PB3 (Pin 2): I/O pin, also used for ADC, PWM, and as a USI (Universal Serial Interface) for SPI (Serial Peripheral Interface).
7. PB4 (Pin 3): I/O pin with ADC, PWM, and serves as the USI clock in SPI mode.
8. RESET (Pin 1): Can function as a reset pin or be configured as a digital input.
The ATtiny45-20SU is designed for low-power, high-performance applications with a reduced pin count.
Manufacturer
The ATTINY45-20SU is manufactured by Microchip Technology Inc. Microchip is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. The company specializes in offering a broad range of embedded control applications, serving diverse industries such as automotive, industrial, consumer, aerospace, and communications. Microchip is known for its comprehensive product portfolio, which includes microcontrollers, digital signal controllers, memory products, and more, aimed at providing complete system solutions to its customers.
Application
The ATTINY45-20SU is a microcontroller ideal for compact and low-power applications. Key application areas include:
1. Consumer Electronics: Used in devices like remote controls and toys due to its small size and efficient power consumption.
2. Home Automation: Powers smart sensors and control systems for lighting and security.
3. Wearable Devices: Supports features in fitness trackers and health monitoring devices.
4. Automotive: Suitable for small control units and sensors in vehicles.
5. Industrial Automation: Applied in simple control systems and interface applications.
6. IoT Devices: Acts as the core processor for simple IoT applications due to its low power requirements.
These applications leverage its compact form, cost-effectiveness, and ease of use in embedded systems.
1. Consumer Electronics: Used in devices like remote controls and toys due to its small size and efficient power consumption.
2. Home Automation: Powers smart sensors and control systems for lighting and security.
3. Wearable Devices: Supports features in fitness trackers and health monitoring devices.
4. Automotive: Suitable for small control units and sensors in vehicles.
5. Industrial Automation: Applied in simple control systems and interface applications.
6. IoT Devices: Acts as the core processor for simple IoT applications due to its low power requirements.
These applications leverage its compact form, cost-effectiveness, and ease of use in embedded systems.
Package
The ATTINY45-20SU is a microcontroller from Microchip Technology, packaged in an 8-pin SOIC (Small Outline Integrated Circuit) form factor. This surface-mount package is designed for compact and efficient integration into electronic circuits.
