| PartNumber | ATMEGA165P-16AU | ATMEGA165P-16ANR | ATMEGA165P-16AN |
| Description | 8-bit Microcontrollers - MCU 16kB Flash 0.5kB EEPROM 54 I/O Pins | 8-bit Microcontrollers - MCU AVR 16KB FL 512B EE 1KB SRAM-16MHz 105C | 8-bit Microcontrollers - MCU AVR 16KB FL 512B EE 1KB SRAM 16 MHZ GRN |
| 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 | TQFP-64 | TQFP-64 | TQFP-64 |
| Series | ATmega165P | ATmega165P | ATmega165P |
| Core | AVR | AVR | AVR |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 16 MHz | 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 | 2.7 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - | - 40 C |
| Maximum Operating Temperature | + 85 C | - | + 85 C |
| Packaging | Tray | Reel | Tray |
| Height | 1 mm | - | - |
| Length | 14 mm | - | - |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | - | - |
| Width | 14 mm | - | - |
| 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, USART, USI | - | - |
| Moisture Sensitive | Yes | - | - |
| Number of ADC Channels | 8 | - | - |
| Number of Timers/Counters | 3 Timer | - | - |
| Processor Series | megaAVR | megaAVR | megaAVR |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 90 | 1000 | 90 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 2.7 V | - | - |
| Tradename | AVR | AVR | AVR |
| Unit Weight | 0.012720 oz | 0.012720 oz | 0.012720 oz |