Microchip Technology ATMEGA168PA-AU Microcontrollers
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP32

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATMEGA168PA-AU
Detailed Description
Advanced Microchip ATMEGA168PA-AU Microcontrollers for precision electronics.
Package
TQFP
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATMEGA168PA-AU Microcontrollers technical specifications.
General
Interface
2-Wire, I2C, SPI, UART, USART
Memory Size
16 kB
RAM Size
1 kB
Data Bus Width
8 b
RoHS
Compliant
Number of Pins
32
Package / Case
32-TQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.8V ~ 5.5V
Alternate Parts Comparison (ATMEGA168PA-AU vs ATMEGA128A-MUR vs ATMEGA165PV-8MUR vs ATMEGA645V-8AU)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 32-TQFP | 64-VFQFN Exposed Pad | 64-VFQFN Exposed Pad | 64-TQFP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 1.8V ~ 5.5V | 2.7V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V |
| Core Processor | AVR | AVR | AVR | AVR |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| RAM Size | 1 kB | 4K x 8 | 1K x 8 | 4K x 8 |
| Connectivity | I²C, SPI, UART/USART | EBI/EMI, I²C, SPI, UART/USART | SPI, UART/USART, USI | SPI, UART/USART, USI |
| Data Converters | A/D 8x10b | A/D 8x10b | A/D 8x10b | A/D 8x10b |
| EEPROM Size | 512 x 8 | 4K x 8 | 512 x 8 | 2K x 8 |
| Number of I/O | 23 | 53 | 54 | 53 |
| Oscillator Type | Internal | Internal | Internal | Internal |
| Action |
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
