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ATTINY45-20SU ATTINY45-20SU is an 8-bit AVR microcontroller from Microchip Technology. It offers 4KB Flash, 256B RAM, and operates up to 20MHz in an 8-SOIC surface-mount package.
Mfr Part #:

ATTINY45-20SU

Available from 3 distributors
Mfr Name: Microchip Technology
Microchip Technology
ATTINY45-20SU is an 8-bit AVR microcontroller from Microchip Technology. It offers 4KB Flash, 256B RAM, and operates up to 20MHz in an 8-SOIC surface-mount package.
✓ Total Stock: 5,415 pcs

ATTINY45-20SU Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
3,658 pcs
On Request
3658 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
1,357 pcs
On Request
1357 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
400 pcs
On Request
400 pcs On Request 1 On Request On Request 20+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

ATTINY45-20SU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
EEPROM Size
Mounting Type
Number of I
Number of Pins
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
Speed
Supplier Device Package
Termination Style
Voltage
Watchdog Timer
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ATTINY45-20SU Description

Short technical summary and product information.

ATTINY45-20SU is an 8-bit AVR RISC microcontroller from Microchip Technology. It contains 4KB of in-system programmable Flash memory, 256 bytes of SRAM, and 256 bytes of EEPROM. The Flash endurance is rated at 10,000 write/erase cycles, while the EEPROM withstands 100,000 cycles.

 

Powered by a 2.7V to 5.5V supply, the device operates at clock frequencies up to 20MHz when supplied with 4.5V to 5.5V. It offers six programmable I/O lines, a 10-bit ADC with four single-ended channels and two differential pairs with programmable gain, two 8-bit timer/counters with PWM outputs, a Universal Serial Interface (USI), an analog comparator, and a programmable watchdog timer. An internal calibrated oscillator and on-chip debugWIRE interface support development and in-system programming via SPI.

 

The microcontroller is housed in an 8-SOIC surface-mount package and is specified for an industrial temperature range of -40°C to +85°C. Programmable brown-out detection and power-on reset features improve robustness in embedded applications.

ATTINY45-20SU Quick Information

Product Type: Microcontroller
Series: ATtiny45
Canonical Name: Microchip Technology ATtiny45-20SU 8-bit AVR Microcontroller
Subcategory: 8-bit AVR MCU

ATTINY45-20SU Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Yes

ATTINY45-20SU Features

  • 8-bit AVR core runs up to 20MHz.
  • 4KB Flash, 256B RAM, 256B EEPROM.
  • Six I/O lines with 10-bit ADC.
  • USI interface with start condition detection.
  • Operates 2.7V to 5.5V supply.

ATTINY45-20SU Applications

  • Suitable for embedded control applications.
  • Ideal for sensor data acquisition systems.
  • Used in PWM motor speed control.
  • Applicable for battery management systems.
  • Used for temperature measurement and monitoring.

ATTINY45-20SU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATTINY45-20SU?

2.7V to 5.5V.

What package is the ATTINY45-20SU available in?

8-SOIC (8-pin surface mount, 5.30mm width).

What is the operating temperature range of the ATTINY45-20SU?

-40°C to +85°C (industrial).

Is the ATTINY45-20SU RoHS compliant?

Marked RoHS3 compliant per product data, but not independently verified.

What is the maximum clock speed of the ATTINY45-20SU?

20 MHz at 4.5V-5.5V supply; 10 MHz at 2.7V-5.5V.

How much program memory does the ATTINY45-20SU have?

4KB of Flash program memory.

What ADC features does the ATTINY45-20SU provide?

10-bit ADC with 4 single-ended channels and 2 differential pairs with programmable gain.

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