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ATTINY45-20SUR
+NomenclatureIC MCU 8BIT 4KB FLASH 8SOIC
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FabricantEtmel
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Pièce fabricant #ATTINY45-20SUR
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Fiche technique ATTINY45-20SUR DataSheet
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Package SOIJ-8
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En stock3678
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Spécifications
| Attribut | Valeur |
| 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) |
Présentation
Description
This microcontroller supports various interfaces, including SPI, I2C, and USART, making it versatile for communication with other devices. Additionally, it offers 6 general-purpose I/O pins, which can be used for a variety of functions such as ADC inputs, PWM outputs, or digital I/O.
With its surface-mount package (SOT-23), the ATTINY45-20SUR is well-suited for space-constrained applications like wearable electronics, home automation, and small robotics. Its built-in features include a watchdog timer, analog comparator, and a calibrated internal oscillator, which help simplify the design process and reduce external component requirements. Overall, the ATTINY45-20SUR is a powerful yet economical choice for small-scale embedded projects.
Equivalent
Features
1. 8-bit AVR Architecture: Offers efficient instruction set and high performance.
2. Memory: 4KB of In-System Programmable Flash, 256B EEPROM, and 256B SRAM.
3. Speed: Operates at up to 20MHz.
4. Peripherals: Includes a 10-bit ADC, analog comparator, and timer/counters.
5. I/O Ports: 6 I/O lines for versatile connectivity.
6. Operating Voltage: From 2.7V to 5.5V, suitable for low-power applications.
7. Power-saving Modes: Features various sleep modes to conserve energy.
8. Watchdog Timer: Offers enhanced reliability for time-critical applications.
9. Package: Available in a small 8-pin SOIC package, ideal for space-constrained designs.
10. Operating Temperature: Ranges from -40°C to +85°C, suitable for industrial environments.
These features make the ATTINY45-20SUR ideal for simple yet efficient embedded applications requiring a small footprint and low power consumption.
Pinout
1. VCC (Pin 8): Supply voltage.
2. GND (Pin 4): Ground reference.
3. PB0 to PB5 (Pins 5, 6, 7, 1, 2, 3): General-purpose I/O pins which can serve various functions such as digital I/O, PWM, ADC channels, and more depending on the configuration.
The ATtiny45 features 4KB of Flash memory, 256 bytes of SRAM, and 256 bytes of EEPROM. It supports various peripherals, including a timer/counter, an analog comparator, and a Universal Serial Interface (USI) for communication. Its compact design and low power consumption make it suitable for small, resource-constrained applications.