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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 ATMEGA88PA-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. Built-in features like brown-out detection, power-on reset, PWM, and watchdog timer ensure robust operation in demanding applications. Its through-hole package simplifies prototyping and small-scale production.

  • Wide voltage range (1.8V-5.5V) enables flexible power design, from 3V coin cells to 5V industrial rails.
  • 20MHz AVR core provides high throughput for real-time control tasks, with most instructions executing in a single clock cycle.
  • 28-DIP package allows easy breadboarding and manual assembly, reducing development time for hobbyists and engineers.
  • Integrated brown-out reset and watchdog timer enhance system reliability without external supervisory ICs.

Embedded Control Systems

With 8KB flash and 1KB SRAM, the ATMEGA88PA-PU is ideal for motor control, lighting systems, and sensor hubs requiring reliable logic at 20MHz.

Prototyping and Education

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

Battery-Powered Devices

Operating from 1.8V to 5.5V, this MCU supports low-power sleep modes, extending battery life in portable instruments and remote sensors.

Industrial Automation

With brown-out detection and watchdog timer, it ensures stable operation in noisy industrial environments, handling PWM for actuator control.

Automotive Aftermarket

Its -40°C to 85°C range and robust I/O make it suitable for aftermarket automotive modules like window controllers and dash displays.

Home Appliance Controllers

The integrated POR and WDT reduce external components, simplifying designs for washing machines, microwaves, and smart plugs.

Q: What is the maximum operating frequency of the ATMEGA88PA-PU?
A: The ATMEGA88PA-PU operates at up to 20MHz with a supply voltage range of 1.8V to 5.5V.
Q: How much program memory does this AVR MCU have?
A: It features 8KB of in-system programmable flash memory (4K x 16 bits).
Q: What package is the ATMEGA88PA-PU available in?
A: It comes in a 28-pin DIP (0.300", 7.62mm) package, ideal for through-hole prototyping.
Q: Does it include analog comparators?
A: Yes, it includes an analog comparator along with PWM, watchdog timer, and brown-out detection.
Base Product Number : ATMEGA88PA
20MHz 8-bit MCU 8KB Flash ATmega88 AVR DIP-28 Industrial Low Power Prototyping PWM WDT
Q: What is the maximum operating frequency of the ATMEGA88PA-PU?
A: The ATMEGA88PA-PU operates at up to 20MHz with a supply voltage range of 1.8V to 5.5V.
Q: How much program memory does this AVR MCU have?
A: It features 8KB of in-system programmable flash memory (4K x 16 bits).
Q: What package is the ATMEGA88PA-PU available in?
A: It comes in a 28-pin DIP (0.300", 7.62mm) package, ideal for through-hole prototyping.
Q: Does it include analog comparators?
A: Yes, it includes an analog comparator along with PWM, watchdog timer, and brown-out detection.