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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATtiny
Packaging Cut Tape (CT) | Tape & Reel (TR)
Core Processor AVR
Core Size 8-Bit
Speed 12MHz
Connectivity -
Peripherals POR, PWM, WDT
Number of I/O 4
Program Memory Size 1KB (512 x 16)
Program Memory Type FLASH
EEPROM Size -
RAM Size 32 x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V
Data Converters -
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package SOT-23-6
Package / Case SOT-23-6
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATTINY9-TSHR is an 8-bit AVR microcontroller from Microchip Technology, offering 1KB Flash and 32 bytes SRAM in a SOT-23-6 package. It operates from 1.8V to 5.5V and runs at up to 12MHz. This MCU is designed for applications needing more code space than the ATTINY5 while maintaining a minimal footprint.

  • 1KB Flash – provides more code space for complex routines.
  • SOT-23-6 package – saves PCB area without sacrificing functionality.
  • Wide voltage range – simplifies power design.
  • Low-power AVR core – ideal for battery-operated devices.

Smart Disposable Medical Sensors

1KB Flash allows storing calibration data and running simple algorithms in single-use devices.

Miniature Motor Drivers

PWM output controls small vibration motors in haptic feedback modules.

Environmental Loggers

Low power and small size enable placement in tight enclosures for temperature/humidity logging.

Security Tokens

Compact package fits into USB dongles or key fobs for authentication.

Automotive Interior Lighting

PWM dimming for ambient LED strips in vehicles with 12V-to-5V regulation.

Industrial Sensor Calibration

Stores trim values and communicates via simple serial protocols.

Q: What is the Flash memory size?
A: 1KB (512 x 16-bit words), double the ATTINY5.
Q: What is the operating voltage?
A: 1.8V to 5.5V, flexible for various power sources.
Q: What is the maximum speed?
A: 12MHz, adequate for real-time control.
Q: What package is available?
A: SOT-23-6, ideal for high-density boards.
Q: Does it include a watchdog timer?
A: Yes, plus POR and PWM.
Base Product Number : ATTINY9
12MHz 1KB Flash 32B RAM 8-bit MCU ATtiny AVR compact low-power PWM sensor SOT-23-6 watchdog
Q: What is the Flash memory size?
A: 1KB (512 x 16-bit words), double the ATTINY5.
Q: What is the operating voltage?
A: 1.8V to 5.5V, flexible for various power sources.
Q: What is the maximum speed?
A: 12MHz, adequate for real-time control.
Q: What package is available?
A: SOT-23-6, ideal for high-density boards.
Q: Does it include a watchdog timer?
A: Yes, plus POR and PWM.