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ATTINY28L-4PU The ATTINY28L-4PU is an 8-bit AVR microcontroller with 2KB of Flash memory, operating at up to 4 MHz. It features 11 I/O pins, internal oscillator, and peripherals including POR and WDT.
Mfr Part #:

ATTINY28L-4PU

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The ATTINY28L-4PU is an 8-bit AVR microcontroller with 2KB of Flash memory, operating at up to 4 MHz. It features 11 I/O pins, internal oscillator, and peripherals including POR and WDT.
✓ Total Stock: 6,898 pcs

ATTINY28L-4PU Available from 1 distributor

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Components Technology Group, Inc. ✓
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6,898 pcs
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ATTINY28L-4PU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Architecture
Core Processor
Core Size
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
Speed
Supplier Device Package
Voltage
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ATTINY28L-4PU Description

Short technical summary and product information.

The ATTINY28L-4PU is an 8-bit microcontroller from Microchip Technology's AVR ATtiny series. It features a high-performance RISC architecture with 90 instructions and 32 general-purpose registers. The device offers 2KB of Flash program memory with 1,000 write/erase cycles endurance.

 

Electrical characteristics: Operates from 2.7V to 5.5V supply voltage, with maximum speed of 4 MHz (4 MIPS throughput). Typical active current is 3.0 mA at 1 MHz, 2V, 25°C, with idle current of 1.2 mA and power-down current less than 1 µA. Includes internal calibrated RC oscillator.

 

Peripherals and I/O: Provides 11 programmable I/O lines, along with an 8-bit timer/counter, analog comparator, watchdog timer, and high-current LED driver. Supports interrupt and wake-up on low-level input.

 

Packaging: Available in a 28-lead PDIP package (28-DIP) for through-hole mounting. Operating temperature range -40°C to 85°C. RoHS3 compliant.

ATTINY28L-4PU Quick Information

Product Type: Microcontroller
Series: ATtiny
Canonical Name: Microchip Technology ATTINY28L-4PU AVR 8-bit Microcontroller
Subcategory: 8-bit Microcontroller

ATTINY28L-4PU Compliance

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

ATTINY28L-4PU Features

  • 8-bit AVR RISC architecture with 90 instructions.
  • 2KB Flash program memory with 1,000 write/erase cycles.
  • Operates from 2.7V to 5.5V supply voltage.
  • 11 programmable I/O lines in 28-PDIP package.
  • Internal oscillator with power-down mode less than 1 µA.

ATTINY28L-4PU Applications

  • Ideal for low-power embedded control applications.
  • Suitable for consumer electronics and industrial automation.
  • Can drive LEDs with built-in high-current driver.
  • Used in systems requiring watchdog timer and power-on reset.

ATTINY28L-4PU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATTINY28L-4PU?

2.7V to 5.5V.

What package does the ATTINY28L-4PU come in?

28-DIP (0.300", 7.62mm) with through-hole mounting, supplier device package 28-PDIP.

What is the operating temperature range?

-40°C to 85°C.

Is the ATTINY28L-4PU RoHS compliant?

Yes, RoHS3 compliant.

What core processor does the ATTINY28L-4PU use?

AVR 8-bit RISC.

What is the maximum clock speed?

4 MHz, providing up to 4 MIPS throughput.

How much Flash memory does it have?

2KB (1K x 16) with 1,000 write/erase cycles endurance.

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