ATTINY44A-SSU 8-bit AVR microcontroller from Microchip with 4KB Flash memory and 256B RAM. Operates at up to 20MHz with 12 I/O pins in a 14-SOIC package.
Mfr Part #:

ATTINY44A-SSU

Available from 4 distributors
Mfr Name: Microchip Technology
Microchip Technology
8-bit AVR microcontroller from Microchip with 4KB Flash memory and 256B RAM. Operates at up to 20MHz with 12 I/O pins in a 14-SOIC package.
✓ Total Stock: 15,364 pcs

ATTINY44A-SSU Available from 4 distributors

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ATTINY44A-SSU Specifications Quick View

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ATTINY44A-SSU Description

Short technical summary and product information.

The Microchip ATTINY44A-SSU is an 8-bit AVR microcontroller based on the advanced RISC architecture. It features 4KB of in-system self-programmable Flash memory, 256B of SRAM, and 256B of EEPROM with high endurance (10,000 write/erase cycles for Flash, 100,000 for EEPROM). The device operates at a maximum clock speed of 20MHz with an internal oscillator and supports a supply voltage range of 1.8V to 5.5V.

 

The microcontroller includes a 10-bit ADC with 8 single-ended and 12 differential channels with programmable gain. It provides 12 general-purpose I/O pins, one 8-bit and one 16-bit timer/counter with two PWM channels, and a Universal Serial Interface (USI) supporting I2C and SPI. Additional peripherals include a brown-out detect/reset, power-on reset, watchdog timer, and an on-chip temperature sensor.

 

The ATTINY44A-SSU is housed in a 14-pin SOIC package (0.154" width, 3.90mm body width) for surface mount assembly. It operates over an industrial temperature range of -40°C to 85°C. Power consumption is low, with typical active mode current of 210 µA at 1.8V and 1MHz, and power-down mode current of 0.1 µA. The device supports debugWIRE for on-chip debugging.

ATTINY44A-SSU Quick Information

Product Type: Microcontroller
Series: AVR
Canonical Name: Microchip Technology ATTINY44A-SSU 8-bit AVR Microcontroller
Subcategory: 8-bit Microcontroller

ATTINY44A-SSU Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Lead Free

ATTINY44A-SSU Features

  • 8-bit AVR core with RISC architecture.
  • 4KB Flash memory with 10K write cycles.
  • 20MHz maximum clock speed.
  • 12 I/O pins with pin change interrupts.
  • Low power consumption down to 0.1 µA.

ATTINY44A-SSU Applications

  • Ideal for battery-powered sensor nodes.
  • Used in industrial control applications.
  • Suitable for embedded system prototyping.
  • Perfect for low-power IoT devices.

ATTINY44A-SSU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range?

1.8V to 5.5V.

What package does the ATTINY44A-SSU come in?

14-pin SOIC (0.154", 3.90mm width).

What is the operating temperature range?

-40°C to 85°C.

Is the ATTINY44A-SSU RoHS compliant?

Yes, RoHS3 compliant (unverified).

How much Flash memory does it have?

4KB.

What is the maximum clock speed?

20MHz at 4.5V-5.5V, 10MHz at 2.7V-5.5V, 4MHz at 1.8V-5.5V.

How many ADC channels does it have?

8 single-ended and 12 differential channels with programmable gain.

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