| PartNumber | ATMEGA32L-8AU | ATMEGA32L-8AI | ATMEGA32L-8AC |
| Description | 8-bit Microcontrollers - MCU 32kB Flash 1kB EEPROM 32 I/O Pins | 8-bit Microcontrollers - MCU AVR 32K FLASH 2K SRAM 1KB EE - 8MHZ | 8-bit Microcontrollers - MCU AVR 32K FLASH 2K SRAM 1KB EE - 8MHZ |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | N | N |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TQFP-44 | TQFP-44 | TQFP-44 |
| Series | ATmega32 | ATmega32 | ATmega32 |
| Core | AVR | AVR | AVR |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 8 MHz | 8 MHz | 8 MHz |
| Program Memory Size | 32 kB | 32 kB | 32 kB |
| Data RAM Size | 2 kB | 2 kB | 2 kB |
| ADC Resolution | 10 bit | - | - |
| Number of I/Os | 32 I/O | 32 I/O | 32 I/O |
| Operating Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | 0 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 70 C |
| Packaging | Tray | - | - |
| Height | 1 mm | 1 mm | 1 mm |
| Length | 10 mm | 10 mm | 10 mm |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Width | 10 mm | 10 mm | 10 mm |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | SRAM | SRAM | SRAM |
| Data ROM Size | 1 kB | 1024 B | 1024 B |
| Data ROM Type | EEPROM | EEPROM | EEPROM |
| Interface Type | I2C, JTAG, SPI, USART | 2-Wire, SPI, USART | 2-Wire, SPI, USART |
| Analog Supply Voltage | 2.7 V to 5.5 V | - | - |
| DAC Resolution | - | - | - |
| I/O Voltage | 2.7 V to 5.5 V | - | - |
| Moisture Sensitive | Yes | - | - |
| Number of ADC Channels | 8 Channel | - | - |
| Number of Timers/Counters | 3 Timer | 1 Timer | 1 Timer |
| Processor Series | ATmega | megaAVR | megaAVR |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 160 | 90 | 90 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 2.7 V | 2.7 V | 2.7 V |
| Tradename | AVR | AVR | AVR |
| Watchdog Timers | Watchdog Timer | - | - |
| Unit Weight | 0.009640 oz | - | - |