Microchip Technology ATTINY45V-10PU

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATtiny, Functional Safety (FuSa)
Packaging Tube |
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 Through Hole
Supplier Device Package 8-PDIP
Package / Case 8-DIP (0.300", 7.62mm)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATTINY45V-10PU is an 8-bit AVR microcontroller from Microchip in a compact 8-pin DIP package. It operates from 1.8V to 5.5V and runs at up to 10MHz, offering 4KB of Flash and 256 bytes of RAM. Integrated features include Brown-out Reset, Power-on Reset, PWM, and a Watchdog Timer. Its small footprint and low-voltage capability make it ideal for simple embedded control in toys, sensors, and battery-powered devices.

  • 1.8V operation: Allows direct use with single-cell batteries, eliminating boost converters.
  • 8-pin DIP package: Easy to prototype on breadboards and suitable for small production runs.
  • 4KB Flash: Sufficient for compact control algorithms and bootloaders.
  • Integrated PWM and WDT: Reduces external component count and improves system reliability.

Miniature LED Lighting Effects

The 8-pin DIP package and PWM channels allow direct control of RGB LEDs for decorative lighting, with the 1.8V minimum enabling single-cell battery operation.

Small Sensor Triggers

With 256 bytes of RAM, it can handle simple threshold detection from photodiodes or thermistors, triggering alarms or relays.

Toy and Hobby Controllers

The through-hole package is breadboard-friendly, making it ideal for educational robotics and hobby projects requiring 4KB of code space.

Battery Management for Single Cells

Operating down to 1.8V, it can monitor a Li-ion cell's voltage and control a charge/discharge FET, with the WDT preventing lockups.

Analog Signal Conditioning

Its internal ADC (not listed but typical for AVR) can sample slow analog signals, while the 10MHz speed handles basic filtering algorithms.

Remote Keyless Entry Receivers

The low-power sleep modes and fast wake-up make it suitable for decoding RF signals in car key fobs, with the -40°C to 85°C range covering automotive use.

Q: What is the maximum speed of the ATTINY45V-10PU?
A: It runs at up to 10MHz, optimized for low-voltage operation.
Q: What is the supply voltage range?
A: It operates from 1.8V to 5.5V, supporting both 2V and 5V logic systems.
Q: How much program memory does it have?
A: It has 4KB of Flash (2K x 16 words).
Q: What package is this?
A: It is an 8-pin DIP (0.300", 7.62mm) through-hole package.
Q: Does it include PWM?
A: Yes, it has two PWM channels for motor or LED control.
Base Product Number : ATTINY45V
10MHz 256B RAM 4KB Flash 8-bit MCU ATtiny45 AVR Battery-Powered DIP-8 Hobby Low Voltage PWM WDT
Q: What is the maximum speed of the ATTINY45V-10PU?
A: It runs at up to 10MHz, optimized for low-voltage operation.
Q: What is the supply voltage range?
A: It operates from 1.8V to 5.5V, supporting both 2V and 5V logic systems.
Q: How much program memory does it have?
A: It has 4KB of Flash (2K x 16 words).
Q: What package is this?
A: It is an 8-pin DIP (0.300", 7.62mm) through-hole package.
Q: Does it include PWM?
A: Yes, it has two PWM channels for motor or LED control.