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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATtiny
Packaging Tray |
Core Processor AVR
Core Size 8-Bit
Speed 20MHz
Connectivity USI
Peripherals Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number of I/O 12
Program Memory Size 2KB (1K x 16)
Program Memory Type FLASH
EEPROM Size 128 x 8
RAM Size 128 x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V
Data Converters A/D 8x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 20-VQFN (3x3)
Package / Case 20-VFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATTINY24A-MMH is a low-power 8-bit AVR MCU from Microchip with 2KB Flash and 128B RAM. It operates at 1.8-5.5V and 20MHz, featuring PWM, WDT, brown-out reset, and a temperature sensor in a 20-VFQFN package, ideal for compact battery-powered designs.

  • Ultra-compact: 20-VFQFN for tiny PCBs.
  • Wide voltage: 1.8-5.5V for versatility.
  • Built-in temp sensor: reduces external parts.
  • Low power: ideal for battery devices.

IoT End Nodes

1.8V operation and temp sensor for environmental monitoring.

Wearable Devices

Small VFQFN package fits smart rings.

Battery-Powered Toys

Low power extends playtime.

Sensor Calibration

Internal temp sensor for compensation.

LED Keychains

PWM for light effects with minimal components.

Security Tags

WDT and POR for reliable wake-up.

Q: What is the voltage range?
A: 1.8V to 5.5V, very flexible.
Q: What is the max speed?
A: 20MHz, adequate for most small tasks.
Q: How much memory?
A: 2KB Flash and 128B RAM.
Q: What package?
A: 20-VFQFN, ultra-compact with exposed pad.
Base Product Number : ATTINY24A
20-pin 20MHz 8-bit MCU AVR IoT low power PWM temp sensor VFQFN WDT wearable
Q: What is the voltage range?
A: 1.8V to 5.5V, very flexible.
Q: What is the max speed?
A: 20MHz, adequate for most small tasks.
Q: How much memory?
A: 2KB Flash and 128B RAM.
Q: What package?
A: 20-VFQFN, ultra-compact with exposed pad.