ATMEGA168-20AUR
- Mfr.Part #
- ATMEGA168-20AUR
- Manufacturer
- Microchip Technology
- Package / Case
- 32-TQFP
- Datasheet
- Download
- Description
- IC MCU 8BIT 16KB FLASH 32TQFP
- Stock
- 62,598
- In Stock :
- 62,598
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Low Power Mode :
- yes
- EEPROM Size :
- 512 x 8
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- DAC Resolution :
- -
- Integrated Cache :
- No
- Temperature Grade :
- Industrial
- Peak Reflow Temperature (Cel) :
- 260
- Device Core :
- AVR
- Published :
- 1997
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Operating Temperature :
- -40°C~85°C TA
- Height Seated (Max) :
- 1.2mm
- Number of I2C Channels :
- 2
- Interface :
- 2-Wire, I2C, SPI, Serial, UART, USART
- Terminal Finish :
- Matte Tin (Sn)
- Number of I/O Lines :
- 23
- RAM (bytes) :
- 1024
- RAM (words) :
- 512
- Data Bus Width :
- 8B
- Number of UART Channels :
- 1
- Number of External Interrupts :
- 2
- Number of Timers :
- 3
- Mount :
- Surface Mount
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Oscillator Type :
- Internal
- Product :
- MCU
- Mounting Style :
- SMD/SMT
- Base Product Number :
- ATMega168
- Manufacturer :
- Microchip
- Reach Compliance Code :
- Compliant
- Package Shape :
- Square
- Speed :
- 20MHz
- Mounting Type :
- Surface Mount
- Memory Size :
- 16kB
- Connectivity :
- I2C, SPI, UART/USART
- Interfaces :
- SPI/TWI/USART
- Core Size :
- 8-Bit
- Height :
- 1.05mm
- Radiation Hardening :
- No
- Package Type :
- TQFP
- Terminal Position :
- QUAD
- Supply Voltage-Max (Vsup) :
- 5.5V
- Program Memory Type :
- Flash
- Package / Case :
- 32-TQFP
- Pin Count :
- 32
- Number of ADC Channels :
- 8 Channel
- PWM Channels :
- yes
- Factory Lead Time :
- 9 Weeks
- Tradename :
- AVR
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Data Converters :
- A/D 8x10b
- Product Status :
- Active
- Terminal Pitch :
- 0.8mm
- On Chip Data RAM Width :
- 8
- Number of Serial I/Os :
- 1
- Contact Plating :
- Tin
- Frequency :
- 20MHz
- On Chip Program ROM Width :
- 16
- Series :
- AVR® ATmega
- Bit Size :
- 8
- Base Part Number :
- ATMega168
- Program Memory Size :
- 16KB 8K x 16
- Qualification Status :
- Not Qualified
- Interface Type :
- I2C, SPI, USART
- Watchdog Timer :
- yes
- Voltage - Supply (Vcc/Vdd) :
- 2.7V~5.5V
- Lead Free :
- Lead Free
- Instruction Set Architecture :
- RISC
- Supply Voltage-Min (Vsup) :
- 2.7V
- Packaging :
- Tape and Reel (TR)
- MSL :
- MSL 3 - 168 hours
- Core Processor :
- AVR
- Dimensions :
- 7.1 x 7.1 x 1.05mm
- DMA Channels :
- No
- Seated Height-Max :
- 1.2 mm
- Number of Timers/Counters :
- 3
- Power Supplies :
- 3/5 V
- Terminal Form :
- Gull wing
- CPU Family :
- AVR RISC
- Boundary Scan :
- No
- Has ADC :
- yes
- RAM Size :
- 1K x 8
- Brand :
- Microchip Technology / Atmel
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Number of Terminals :
- 32
- Qualification :
- -
- Supply Current-Max :
- 12 mA
- JESD-609 Code :
- e3
- ROM (words) :
- 8192
- DAC Channels :
- No
- RoHS :
- Details
- Number of I/Os :
- 23 I/O
- Number of Terminations :
- 32
- Number of Pins :
- 32
- ROM Programmability :
- Flash
- Surface Mount :
- yes
- Family Name :
- ATMEGA
- Number of SPI Channels :
- 2
- Product Type :
- 8-bit Microcontrollers - MCU
- Format :
- FIXED-POINT
- Product Category :
- 8-bit Microcontrollers - MCU
- Minimum Operating Temperature :
- -40 °C
- Maximum Operating Temperature :
- +85 °C
- Number of I/O :
- 23
- JESD-30 Code :
- S-PQFP-G32
- Data Converter :
- A/D 8x10b
- Width :
- 7.1mm
- Supply Voltage :
- 3V
- Length :
- 7mm
- Supplier Device Package :
- 32-TQFP (7x7)
- Typical Operating Supply Voltage :
- 5.5 (Maximum) V
- RoHS Status :
- ROHS3 Compliant
- Pbfree Code :
- yes
- Datasheets
- ATMEGA168-20AUR
ATMEGA168-20AUR Documents

Microcontrollers Microchip Technology ATMEGA168-20AUR Overview
The Microcontrollers Microchip Technology ATMEGA168-20AUR is a highly versatile and powerful microcontroller designed to meet the demanding needs of modern embedded systems. Built on a robust 8-bit architecture, this MCU from Microchip Technology incorporates 16KB of in-system programmable flash memory, offering ample space for application code. Optimized for energy efficiency and performance, the ATMEGA168-20AUR operates within a voltage range of 1.8V to 5.5V, making it ideal for a diverse range of applications from consumer electronics to industrial control systems. Its compact 32-TQFP package ensures minimal footprint on system designs while maximizing reliability and functionality.
ATMEGA168-20AUR Features
The ATMEGA168-20AUR MCU boasts several features that enhance its adaptability and functionality in complex electronic assemblies. Key features include an advanced RISC architecture, 512 Bytes of EEPROM, 1KB SRAM, 23 general-purpose I/O lines, 32 general-purpose working registers, three flexible Timer/Counters with compare modes, internal and external interrupts, a serial programmable USART, a byte-oriented 2-wire Serial Interface, SPI serial port, a 6-channel 10-bit A/D converter, programmable watchdog timer with internal oscillator, and five software selectable power saving modes.
ATMEGA168-20AUR Applications
- Consumer Electronics: Used in devices like smart watches and gaming peripherals, the ATMEGA168-20AUR provides responsive control and connectivity, enhancing user interfaces and device functionality.
- Home Automation Systems: In applications such as smart thermostats and lighting control systems, this MCU offers the necessary I/O capabilities and power efficiency for reliable, continuous operation.
- Automotive Applications: Ideal for non-critical automotive systems such as in-car entertainment and information systems, where its robust serial communication capabilities ensure reliable data transfer and processing.
- Industrial Control: The ATMEGA168-20AUR's timers and counters are perfect for managing industrial processes and automation systems, improving operational efficiency and safety.
- Medical Devices: Employed in non-life critical devices such as digital thermometers and blood pressure monitors, the MCU ensures accurate data collection and real-time monitoring.
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