| PartNumber | ATMEGA169PA-MN | ATMEGA169PA-MCH | ATMEGA169PA-MCHR |
| Description | 8-bit Microcontrollers - MCU AVRXMEGA 384KB 105C 4KB EE32K SRAM-16MHz | 8-bit Microcontrollers - MCU AVR XMEGA 384KB FLSH 4KB EE32K SRAM-16MHz | 8-bit Microcontrollers - MCU AVR LCD 16KB FLSH EE 512B 1KB SRAM-16MHZ |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | VQFN-64 | QFN-64 | QFN-64 |
| Series | ATmega169PA | ATmega169PA | ATmega169PA |
| Core | AVR | AVR | AVR |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 16 MHz | - | - |
| Program Memory Size | 16 kB | - | - |
| Data RAM Size | 1 kB | - | - |
| ADC Resolution | 10 bit | - | - |
| Number of I/Os | 54 I/O | - | - |
| Operating Supply Voltage | 1.8 V to 5.5 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 105 C | - | - |
| Packaging | Tray | Tray | Reel |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | - | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | SRAM | - | - |
| Data ROM Size | 512 B | - | - |
| Data ROM Type | EEPROM | - | - |
| Interface Type | SPI | - | - |
| Analog Supply Voltage | 1.8 V to 5.5 V | - | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of ADC Channels | 8 Channel | - | - |
| Number of Timers/Counters | 2 x 8 bit/1 x 16 bit | - | - |
| Processor Series | megaAVR | megaAVR | megaAVR |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 260 | 360 | 4000 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 1.8 V | - | - |
| Tradename | AVR | AVR | AVR |
| Watchdog Timers | Watchdog Timer | - | - |
| Unit Weight | 0.007277 oz | 0.007277 oz | 0.007277 oz |