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| PartNumber | ATMEGA168-20AU | ATMEGA168-20AUR | ATMEGA168-20MQ |
| Description | 8-bit Microcontrollers - MCU 16kB Flash 0.5kB EEPROM 23 I/O Pins | 8-bit Microcontrollers - MCU AVR 16K FLASH,ADC IND TEMP,5V | 8-bit Microcontrollers - MCU AVR 16K FLSH 512B EE 1K SRAM ADC 5V |
| 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-32 | TQFP-32 | MLF-32 |
| Series | ATmega168 | ATmega168 | ATmega168 |
| Core | AVR | AVR | AVR |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 20 MHz | 20 MHz | 20 MHz |
| Program Memory Size | 16 kB | 16 kB | 16 kB |
| Data RAM Size | 1 kB | 1 kB | 1 kB |
| ADC Resolution | 10 bit | 10 bit | - |
| Number of I/Os | 23 I/O | 23 I/O | 23 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 | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tray | Reel | Tray |
| Height | 1 mm | 1 mm | 0.85 mm |
| Length | 7 mm | 7 mm | 7 mm |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Width | 7 mm | 7 mm | 7 mm |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | SRAM | SRAM | SRAM |
| Data ROM Size | 512 B | 512 B | 512 B |
| Data ROM Type | EEPROM | EEPROM | EEPROM |
| Interface Type | 2-Wire, SPI, USART | I2C, SPI, USART | 2-Wire, SPI, Serial, USART |
| Analog Supply Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | - |
| DAC Resolution | - | - | - |
| I/O Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | - |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of ADC Channels | 8 Channel | 8 Channel | - |
| Number of Timers/Counters | 3 Timer | 3 Timer | 3 Timer |
| Processor Series | megaAVR | ATmega | megaAVR |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 250 | 2000 | 490 |
| 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 | Watchdog Timer | - |
| Unit Weight | 0.002568 oz | 0.002568 oz | - |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
ATMEGA168-20AU | 8-bit Microcontrollers - MCU 16kB Flash 0.5kB EEPROM 23 I/O Pins | |
| ATMEGA168-20MU | 8-bit Microcontrollers - MCU 16kB Flash 0.5kB EEPROM 23 I/O Pins | ||
| ATMEGA168-20AUR | 8-bit Microcontrollers - MCU AVR 16K FLASH,ADC IND TEMP,5V | ||
| ATMEGA168-20MQ | 8-bit Microcontrollers - MCU AVR 16K FLSH 512B EE 1K SRAM ADC 5V | ||
| ATMEGA168-20PU | 8-bit Microcontrollers - MCU 16kB Flash 0.5kB EEPROM 23 I/O Pins | ||
| ATMEGA168-20MUR | 8-bit Microcontrollers - MCU AVR 16K FLASH,ADC IND TEMP,5V | ||
| ATMEGA168-20MQR | 8-bit Microcontrollers - MCU AVR 16K FLASH,ADC EXT TEMP,5V | ||
| ATMEGA168-20PI | IC MCU 8BIT 16KB FLASH 28DIP | ||
| ATMEGA168-20AUR SL044 | MCU 8-Bit ATmega AVR RISC 16KB Flash 3.3V/5V 32-Pin TQFP T/R - Tape and Reel (Alt: ATMEGA168-20AUR SL044) | ||
| ATMEGA168-20MQR | Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR 16K FLASH,ADC EXT TEMP,5V | ||
| ATMEGA168-20MUR | Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR 16K FLASH,ADC IND TEMP,5V | ||
| ATMEGA168-20MQ | Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR 16K FLSH 512B EE 1K SRAM ADC 5V | ||
| ATMEGA168-20AUR | IC MCU 8BIT 16KB FLASH 32TQFP | ||
| ATMEGA168-20MU | Microcontrollers - MCU 8-bit Microcontrollers - MCU 16kB Flash 0.5kB EEPROM 23 I/O Pins | ||
| ATMEGA168-20PU | Microcontrollers - MCU 8-bit Microcontrollers - MCU 16kB Flash 0.5kB EEPROM 23 I/O Pins | ||
| ATMEGA168-20AU | Microcontrollers - MCU 8-bit Microcontrollers - MCU 16kB Flash 0.5kB EEPROM 23 I/O Pins | ||
| ATMEGA168-20AI | IC MCU 8BIT 16KB FLASH 32TQFP | ||
| ATMEGA168-20AU/AI | New and Original | ||
| ATMEGA168-20AU/TR | New and Original | ||
| ATMEGA168-20MI | IC MCU 8BIT 16KB FLASH 32VQFN |