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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATmega
Packaging Tube |
Core Processor AVR
Core Size 8-Bit
Speed 20MHz
Connectivity I2C, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 23
Program Memory Size 8KB (4K x 16)
Program Memory Type FLASH
EEPROM Size 512 x 8
RAM Size 1K x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V
Data Converters A/D 6x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Through Hole
Supplier Device Package 28-PDIP
Package / Case 28-DIP (0.300", 7.62mm)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Microchip ATMEGA88A-PU is a high-performance 8-bit AVR microcontroller in a 28-pin DIP package. It delivers 20MHz operation with 8KB flash memory and 1KB SRAM, supporting a wide 1.8V to 5.5V supply range. Its integrated Brown-out Detect, POR, PWM, and WDT ensure robust operation in industrial and consumer applications.

  • Wide Voltage Range: 1.8V to 5.5V enables flexible power design, from single-cell batteries to 5V logic.
  • Through-Hole Package: 28-DIP simplifies prototyping and manual assembly, reducing production costs.
  • Integrated Safety Features: Brown-out Reset and WDT prevent system lockups in noisy environments.
  • High Speed at Low Power: 20MHz performance with picoPower technology for energy-efficient operation.

Embedded Control Systems

With 8KB flash and 1KB SRAM, the ATMEGA88A-PU is ideal for motor control, sensor interfacing, and relay logic in industrial automation.

Prototyping and Education

The 28-DIP package allows easy breadboarding and through-hole soldering, making it perfect for university labs and maker projects.

Low-Power Battery Devices

Operating from 1.8V, this MCU supports battery-powered IoT sensors, wearable devices, and remote monitors with minimal power draw.

PWM-Driven Lighting

Built-in PWM channels enable smooth dimming and color control for LED lighting systems, with the WDT ensuring fail-safe operation.

Automotive Aftermarket

With a -40°C to 85°C range, it suits automotive interior modules like window lift controllers and seat memory units.

Home Appliance Logic

Reliable POR and Brown-out Reset make it suitable for washing machines, microwaves, and air conditioner control boards.

Q: What is the maximum clock speed of the ATMEGA88A-PU?
A: The ATMEGA88A-PU operates at up to 20MHz with a supply voltage range of 1.8V to 5.5V.
Q: What package is the ATMEGA88A-PU available in?
A: It comes in a 28-pin DIP (0.300", 7.62mm) package, ideal for through-hole prototyping.
Q: Does the ATMEGA88A-PU include analog comparators?
A: Yes, it features an analog comparator along with Brown-out Detect/Reset, POR, PWM, and WDT.
Q: What is the operating temperature range?
A: The industrial temperature range is -40°C to +85°C.
Base Product Number : ATMEGA88A
1KB SRAM 20MHz 8-bit MCU 8KB Flash ATmega AVR DIP-28 Industrial Low Power PWM Through-Hole WDT
Q: What is the maximum clock speed of the ATMEGA88A-PU?
A: The ATMEGA88A-PU operates at up to 20MHz with a supply voltage range of 1.8V to 5.5V.
Q: What package is the ATMEGA88A-PU available in?
A: It comes in a 28-pin DIP (0.300", 7.62mm) package, ideal for through-hole prototyping.
Q: Does the ATMEGA88A-PU include analog comparators?
A: Yes, it features an analog comparator along with Brown-out Detect/Reset, POR, PWM, and WDT.
Q: What is the operating temperature range?
A: The industrial temperature range is -40°C to +85°C.