Microchip Technology ATTINY45V-10MU

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATtiny, Functional Safety (FuSa)
Packaging Tray |
Core Processor AVR
Core Size 8-Bit
Speed 10MHz
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) 1.8V ~ 5.5V
Data Converters A/D 4x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 20-QFN-EP (4x4)
Package / Case 20-WFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Microchip ATTINY45V-10MU is a high-performance, low-power 8-bit AVR microcontroller. It features 4KB of flash memory and 256 bytes of SRAM, operating at speeds up to 10MHz. With a wide voltage range of 1.8V to 5.5V, it is designed for power-sensitive applications. The device includes essential peripherals such as PWM, brown-out detection, and a watchdog timer, all housed in a compact 20-WFQFN package.

  • Ultra-Low Power Consumption: Operates down to 1.8V, extending battery life in portable designs.
  • Compact Footprint: The 20-WFQFN package saves PCB space for miniaturized products.
  • Integrated Analog Peripherals: Includes ADC and analog comparator, reducing external component count.
  • Robust Reset Features: Brown-out detection and power-on reset ensure reliable startup in unstable power conditions.

Battery-Powered Sensor Nodes

The 1.8V minimum supply voltage and low-power sleep modes enable long battery life in IoT and remote sensor applications.

LED Lighting Control

With built-in PWM channels and 10MHz operation, it can drive LED dimming and color control with smooth, flicker-free output.

Portable Consumer Electronics

The small 20-WFQFN package and 4KB flash make it suitable for compact devices like e-cigarettes, toys, and wearables.

Motor Control for Small Appliances

Its PWM outputs and 8-bit AVR core provide simple, cost-effective control for small DC motors in fans and pumps.

Automotive Aftermarket Accessories

Operating from -40°C to 85°C, it can handle under-hood or cabin electronics like window controllers and seat heaters.

Industrial Automation I/O Modules

The brown-out detect/reset and WDT ensure reliable operation in noisy industrial environments for simple control loops.

Q: What is the operating voltage range of the ATTINY45V-10MU?
A: It operates from 1.8V to 5.5V, ideal for battery-powered applications.
Q: What is the maximum clock speed?
A: The maximum speed is 10MHz at 5.5V.
Q: How much flash memory does it have?
A: It has 4KB of in-system programmable flash memory.
Q: What package is available?
A: It comes in a 20-WFQFN exposed pad package.
Q: Does it include a watchdog timer?
A: Yes, it features a programmable Watchdog Timer (WDT).
Base Product Number : ATTINY45V-10MU
1.8V-5.5V 10MHz 4KB Flash 8-bit MCU ATTINY45 AVR LED control low power PWM sensor WDT WFQFN-20
Q: What is the operating voltage range of the ATTINY45V-10MU?
A: It operates from 1.8V to 5.5V, ideal for battery-powered applications.
Q: What is the maximum clock speed?
A: The maximum speed is 10MHz at 5.5V.
Q: How much flash memory does it have?
A: It has 4KB of in-system programmable flash memory.
Q: What package is available?
A: It comes in a 20-WFQFN exposed pad package.
Q: Does it include a watchdog timer?
A: Yes, it features a programmable Watchdog Timer (WDT).