ATMEGA168A-MMHR
- Mfr.Part #
- ATMEGA168A-MMHR
- Manufacturer
- Microchip Technology
- Package / Case
- 28-VFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8BIT 16KB FLASH 28VQFN
- Stock
- 46,859
- In Stock :
- 46,859
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- RoHS :
- Details
- Supply Voltage :
- 5V
- Product Status :
- Active
- Height Seated (Max) :
- 1mm
- Terminal Pitch :
- 0.45mm
- Mounting Type :
- Surface Mount
- Brand :
- Microchip Technology / Atmel
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Supplier Device Package :
- 28-VQFN (4x4)
- Maximum Operating Temperature :
- + 85 C
- Width :
- 4 mm
- Number of Pins :
- 28
- Length :
- 4mm
- Connectivity :
- I2C, SPI, UART/USART
- Number of Terminals :
- 28
- Watchdog Timer :
- yes
- Product :
- MCU
- Contact Plating :
- Tin
- DAC Channels :
- No
- Terminal Position :
- QUAD
- PWM Channels :
- yes
- Operating Temperature :
- -40°C~85°C TA
- Interfaces :
- SPI/USART
- Number of I/Os :
- 23 I/O
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Factory Lead Time :
- 17 Weeks
- Base Product Number :
- ATMega168
- Number of I/O :
- 23
- Number of Timers/Counters :
- 3
- Memory Size :
- 16kB
- Reach Compliance Code :
- Compliant
- Minimum Operating Temperature :
- - 40 C
- Temperature Grade :
- Industrial
- DMA Channels :
- No
- Program Memory Size :
- 16KB 8K x 16
- Package Shape :
- Square
- Supply Current-Max :
- 12 mA
- Has ADC :
- yes
- Additional Feature :
- ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ AND 1.8 V MINIMUM SUPPLY AT 4 MHZ
- ROM (words) :
- 8192
- JESD-609 Code :
- e4
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Supply Voltage-Max (Vsup) :
- 5.5V
- Data Converter :
- A/D 8x10b
- Speed :
- 20MHz
- Mount :
- Surface Mount
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Data Converters :
- A/D 8x10b
- Tradename :
- AVR
- Package / Case :
- 28-VFQFN Exposed Pad
- Program Memory Type :
- Flash
- Power Supplies :
- 2/5V
- ROM Programmability :
- Flash
- EEPROM Size :
- 512 x 8
- Interface :
- I2C, SPI, UART, USART
- Oscillator Type :
- Internal
- Surface Mount :
- yes
- CPU Family :
- AVR RISC
- Product Type :
- 8-bit Microcontrollers - MCU
- Seated Height-Max :
- 1 mm
- Product Category :
- 8-bit Microcontrollers - MCU
- Supply Voltage-Min (Vsup) :
- 4.5V
- Frequency :
- 20MHz
- Device Core :
- AVR
- Core Size :
- 8-Bit
- Series :
- AVR® ATmega
- Published :
- 1997
- Core Processor :
- AVR
- RoHS Status :
- ROHS3 Compliant
- Voltage - Supply (Vcc/Vdd) :
- 1.8V~5.5V
- Data Bus Width :
- 8B
- JESD-30 Code :
- S-PQCC-N28
- Base Part Number :
- ATMEGA168A
- Manufacturer :
- Microchip
- Pbfree Code :
- yes
- Bit Size :
- 8
- RAM (bytes) :
- 1024
- Qualification Status :
- Not Qualified
- Number of I/O Lines :
- 23
- Terminal Form :
- NO LEAD
- RAM Size :
- 1K x 8
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Packaging :
- Tape and Reel (TR)
- Mounting Style :
- SMD/SMT
- Number of Terminations :
- 28
- Datasheets
- ATMEGA168A-MMHR
ATMEGA168A-MMHR Documents

Microcontrollers Microchip Technology ATMEGA168A-MMHR Overview
The ATMEGA168A-MMHR by Microchip Technology is a highly capable microcontroller unit (MCU) designed for sophisticated embedded applications. This microcontroller is engineered to deliver high performance and low power consumption in a compact 28VQFN package. It integrates 16KB of flash memory, providing ample space for application code and data storage, which makes it ideal for developing advanced and space-constrained devices in various industries. With its robust architecture and enhanced features, the Microcontrollers Microchip Technology ATMEGA168A-MMHR is tailored to meet the demanding requirements of modern embedded systems, ensuring reliable and efficient operation.
ATMEGA168A-MMHR Features
The ATMEGA168A-MMHR microcontroller boasts an array of features designed for versatility and optimal performance. Key features include 16KB of in-system programmable flash, a 10-bit analog-to-digital converter (ADC) that facilitates accurate sensor readings and data acquisition, and multiple communication interfaces including I2C, SPI, and USART, which allow for easy integration into a broader system architecture. Additionally, its power-saving modes enable devices to achieve a longer battery life, crucial for portable and remote applications.
ATMEGA168A-MMHR Applications
- Consumer Electronics: Utilized in smart home devices such as thermostats and remote controls, the ATMEGA168A-MMHR manages sensor interfaces and user interactions efficiently, enhancing device functionality and user experience.
- Automotive: Integrated into automotive systems for monitoring and control, this MCU processes inputs from various sensors to assist in features like automatic lighting, engine management, and in-car entertainment systems.
- Industrial Automation: In factory automation equipment, the ATMEGA168A-MMHR controls machinery, gathers data from sensors, and executes critical tasks, ensuring high precision and reliability in demanding industrial environments.
- Wearable Technology: Perfect for wearables, this MCU supports complex algorithms for activity tracking and mobile connectivity, optimizing performance while maintaining low power consumption.
- Healthcare Devices: Employed in medical monitoring systems, it ensures accurate data collection and real-time processing, crucial for patient monitoring devices and diagnostic equipment.
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