Microchip Technology ATMEGA8A-AU Microcontrollers
ATmega Series 8 KB Flash 1 KB SRAM 16 MHz 8-Bit Microcontroller - TQFP-32
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATMEGA8A-AU
Detailed Description
Advanced Microchip ATMEGA8A-AU Microcontrollers for precision electronics.
Package
TQFP
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATMEGA8A-AU Microcontrollers technical specifications.
General
Interface
I2C, SPI, UART, USART
Memory Size
8 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
2.7V ~ 5.5V
Alternate Parts Comparison (ATMEGA8A-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 | 2.7V ~ 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 |
| RoHS | Compliant | Yes | Yes | Yes |
| Lifecycle Status | Production | Active | Active | Active |
| 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 |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
MC9S08PB8MTJNXP SemiconductorsNXP
IC MCU 8BIT 8KB FLASH 20TSSOP
MC9S08PB8MTGNXP SemiconductorsNXP
IC MCU 8BIT 8KB FLASH 16TSSOP
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.
ATMEGA168PA-AUMicrochip TechnologyRISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP32
PIC16F1937-I/PTMicrochip TechnologyPIC16F Series 14 kB Flash 512 B RAM 32 MHz 32-Bit Microcontroller - TQFP-44
