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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATtiny
Packaging Tube |
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 ~ 125°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 14-SOIC
Package / Case 14-SOIC (0.154", 3.90mm Width)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Microchip ATTINY24A-SSF is a low-power 8-bit AVR microcontroller in a 14-SOIC package. It offers 2KB of flash and 128 bytes of RAM, running at up to 20MHz. With a supply range of 1.8V to 5.5V, it features Brown-out Detect/Reset, POR, PWM, WDT, and an internal temperature sensor. This MCU is perfect for cost-sensitive, space-constrained applications requiring extended temperature operation.

  • Integrated temperature sensor: Reduces BOM cost and simplifies thermal monitoring designs.
  • Wide temperature range: -40°C to 125°C suits automotive and industrial environments.
  • Low-power operation: Extends battery life in portable and remote applications.
  • Compact SOIC-14: Easy to assemble and suitable for small PCBs.

Temperature Monitoring Systems

The built-in temperature sensor eliminates the need for external sensors in simple thermal monitoring applications, saving cost and board space.

Battery Management in Portable Devices

With 1.8V minimum supply and low-power modes, it can monitor battery voltage and control charging in handheld tools.

Automotive Sensor Calibration

The 125°C rating and 20MHz speed allow it to read and calibrate pressure or position sensors in engine bays.

LED Dimming Drivers

PWM outputs provide smooth dimming for architectural lighting, while the WDT ensures fail-safe operation.

Small Appliance Timers

2KB flash is sufficient for timing sequences in coffee makers, toasters, or microwave ovens.

Environmental Data Loggers

Low power consumption and temperature sensor enable long-term outdoor data collection with minimal battery drain.

Q: What is the program memory size?
A: The ATTINY24A-SSF has 2KB of flash memory (1K x 16) and 128 bytes of SRAM.
Q: What is the maximum clock speed?
A: It operates at up to 20MHz.
Q: Does it have a temperature sensor?
A: Yes, it includes an internal temperature sensor along with Brown-out Detect/Reset, POR, PWM, and WDT.
Q: What is the operating temperature range?
A: It is rated for -40°C to 125°C.
Base Product Number : ATTINY24A
128B RAM 20MHz 2KB Flash 8-bit MCU ATtiny automotive AVR low power PWM SOIC-14 temp sensor WDT
Q: What is the program memory size?
A: The ATTINY24A-SSF has 2KB of flash memory (1K x 16) and 128 bytes of SRAM.
Q: What is the maximum clock speed?
A: It operates at up to 20MHz.
Q: Does it have a temperature sensor?
A: Yes, it includes an internal temperature sensor along with Brown-out Detect/Reset, POR, PWM, and WDT.
Q: What is the operating temperature range?
A: It is rated for -40°C to 125°C.