Microchip Technology ATTINY85-20MUR

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATtiny, Functional Safety (FuSa)
Packaging Cut Tape (CT) | Tape & Reel (TR)
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 8KB (4K x 16)
Program Memory Type FLASH
EEPROM Size 512 x 8
RAM Size 512 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)
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 ATTINY85-20MUR is a versatile 8-bit AVR MCU with a 20MHz core. It offers 8KB flash and 512B RAM in a compact 20-WFQFN package. With a 2.7V-5.5V supply range and robust safety features, it is a popular choice for hobbyist and commercial projects.

  • High-speed 20MHz operation: Provides quick response for time-sensitive tasks.
  • 8KB flash memory: Enough for moderate-complexity applications.
  • Compact WFQFN package: Ideal for space-limited designs.
  • Integrated safety features: Brown-out Reset and WDT improve reliability.

LED Strip Controllers

20MHz speed and PWM channels allow smooth animations for addressable LED strips.

Small Drone Flight Controllers

Fast processing and 8KB flash handle basic stabilization algorithms.

Portable Game Devices

Low power consumption and small QFN package fit into handheld gaming hardware.

Smart Battery Monitors

With 2.7V minimum, it can monitor Li-ion cells and report status via I/O.

Analog Signal Generators

PWM outputs can be filtered to create simple analog waveforms for testing.

Security Alarm Sensors

WDT ensures the system recovers from faults, maintaining alarm integrity.

Q: What is the maximum speed of the ATTINY85-20MUR?
A: It operates at up to 20MHz, offering fast execution for its class.
Q: What is the flash memory size?
A: It has 8KB of flash, organized as 4K x 16 bits.
Q: What is the supply voltage range?
A: It requires 2.7V to 5.5V, suitable for 3.3V and 5V systems.
Q: Does it have a watchdog timer?
A: Yes, it includes WDT, Brown-out Reset, and Power-on Reset.
Base Product Number : ATTINY85
20MHz 512B RAM 8-bit AVR 8KB Flash ATTINY85 AVR core Hobbyist LED Portable PWM QFN-20
Q: What is the maximum speed of the ATTINY85-20MUR?
A: It operates at up to 20MHz, offering fast execution for its class.
Q: What is the flash memory size?
A: It has 8KB of flash, organized as 4K x 16 bits.
Q: What is the supply voltage range?
A: It requires 2.7V to 5.5V, suitable for 3.3V and 5V systems.
Q: Does it have a watchdog timer?
A: Yes, it includes WDT, Brown-out Reset, and Power-on Reset.