| PartNumber | ATMEGA169P-16MCH | ATMEGA169P-16MCHR | ATMEGA169P-16MCU |
| Description | 8-bit Microcontrollers - MCU AVR 16KB, 512B EE 16MHz 1KB SRAM | 8-bit Microcontrollers - MCU AVR,16KB FLASH,20MHZ LCD - 16MHZ,IND TEMP | IC MCU 8BIT 16KB FLASH 64QFN |
| Manufacturer | Microchip | Microchip | - |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | QFN-64 | QFN-64 | - |
| Series | ATmega169P | ATmega169P | - |
| Core | AVR | AVR | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 16 MHz | 16 MHz | - |
| Program Memory Size | 16 kB | 16 kB | - |
| Data RAM Size | 1 kB | 1 kB | - |
| ADC Resolution | 10 bit | - | - |
| Number of I/Os | 54 I/O | - | - |
| Operating Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Tray | Reel | - |
| Height | 0.88 mm | - | - |
| Length | 7 mm | - | - |
| Product | MCU | MCU | - |
| Program Memory Type | Flash | Flash | - |
| Width | 7 mm | - | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Data RAM Type | SRAM | SRAM | - |
| Data ROM Size | 512 B | 512 B | - |
| Data ROM Type | EEPROM | EEPROM | - |
| Interface Type | JTAG, SPI, USART, USI | - | - |
| Analog Supply Voltage | 1.8 V to 5.5 V | - | - |
| DAC Resolution | - | - | - |
| I/O Voltage | 1.8 V to 5.5 V | - | - |
| Moisture Sensitive | Yes | - | - |
| Number of ADC Channels | 8 Channel | - | - |
| Number of Timers/Counters | 3 Timer | - | - |
| Processor Series | megaAVR | megaAVR | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 360 | 4000 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 2.7 V | - | - |
| Tradename | AVR | AVR | - |
| Watchdog Timers | Watchdog Timer | - | - |
| Unit Weight | 0.007277 oz | 0.007277 oz | - |