Model No: ATMEGA168A-PU
Microchip Technology ATMEGA168A-PU
Manufacturer: Microchip Technology
SEMICON NO.: ATMEGA168A-PU
Package: 28-PDIP
Stock: In stock
Description: AVR ATmega MCU 8-Bit 20MHz 16KB FLASH
SEMICON NO.: ATMEGA168A-PU
Package: 28-PDIP
Stock: In stock
Description: AVR ATmega MCU 8-Bit 20MHz 16KB FLASH
Quantity :
| Mfr | Microchip Technology |
| Device Type | 8-bit High-Performance Microcontroller (MCU) |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Maximum CPU Speed | 20 MHz |
| Performance | Up to 20 MIPS |
| Program Memory (Flash) | 16 KB (8K × 16) |
| SRAM | 1 KB (1K × 8) |
| EEPROM | 512 B (512 × 8) |
| Analog Peripherals | 6-channel, 10-bit ADC |
| Analog Comparator | 1 |
| General-Purpose I/O Pins | 23 |
| Timers/Counters | 3 (1x 16-bit, 2x 8-bit) |
| PWM Channels | 6 |
| Input Capture Channels | 1 |
| Output Compare Channels | 6 |
| Operating Voltage | 1.8 V to 5.5 V |
| Operating Temperature | -40°C to +85°C |
| Package | 28-PDIP |
| Mounting Type | Through Hole |
| Compliance | RoHS Compliant |
The ATMEGA168A-PU is an 8-bit, high-performance, low-power AVR® RISC-based microcontroller from Microchip Technology, housed in a 28-pin PDIP (Plastic Dual In-line Package). It features 16 KB of in-system self-programmable Flash memory, 1 KB of SRAM, 512 bytes of EEPROM, and operates at up to 20 MHz, delivering up to 20 MIPS throughput. This device is designed for a wide range of embedded control applications, balancing processing power, memory capacity, and energy efficiency.
Key Features and Highlights:
● Advanced RISC Architecture: Executes most instructions in a single clock cycle, achieving throughputs approaching 1 MIPS per MHz, which provides high computational efficiency for real-time control tasks.
● In-System Self-Programmable Flash: The 16 KB of Flash memory supports flexible field firmware updates via bootloader without requiring an external programmer, facilitating product maintenance and feature upgrades.
● Rich Peripheral Set: Includes two 8-bit timers/counters, one 16-bit timer/counter with PWM, a USART, SPI, I2C (TWI) interface, and a 10-bit ADC with up to 8 channels, enabling comprehensive system integration.
● Low Power Consumption: Features multiple sleep modes (Idle, ADC Noise Reduction, Power-save, Power-down, Standby) and a wide operating voltage range (1.8V - 5.5V), making it suitable for battery-powered and energy-harvesting applications.
Frequently Asked Questions (FAQ):
Q: What is the main difference between the ATMEGA168A and the older ATMEGA168?
A: The “A” revision (ATMEGA168A) typically features lower power consumption, improved manufacturing processes, and potentially more stable electrical characteristics compared to the original ATMEGA168, while maintaining full pin and code compatibility.
Compatible Alternative 8-bit MCU List
● ATMEGA328P-PU: A direct upgrade from the same family with 32 KB Flash, 2 KB SRAM, and 1 KB EEPROM, offering more memory while maintaining high pin compatibility, famously used in Arduino Uno.
● ATTINY841-SSU: A smaller, more cost-effective AVR microcontroller from Microchip with 8 KB Flash and 512 bytes SRAM, suitable for applications requiring fewer I/Os and less memory.
● PIC16F1937-I/SP: An 8-bit microcontroller from Microchip's PIC family with comparable Flash (28 KB) and peripheral set, providing an architectural alternative within the same vendor ecosystem.
● STM8S105C6T6: An 8-bit microcontroller from STMicroelectronics based on a different core architecture, offering similar memory (32 KB Flash) and peripheral features at a competitive price point.
● Advanced RISC Architecture: Executes most instructions in a single clock cycle, achieving throughputs approaching 1 MIPS per MHz, which provides high computational efficiency for real-time control tasks.
● In-System Self-Programmable Flash: The 16 KB of Flash memory supports flexible field firmware updates via bootloader without requiring an external programmer, facilitating product maintenance and feature upgrades.
● Rich Peripheral Set: Includes two 8-bit timers/counters, one 16-bit timer/counter with PWM, a USART, SPI, I2C (TWI) interface, and a 10-bit ADC with up to 8 channels, enabling comprehensive system integration.
● Low Power Consumption: Features multiple sleep modes (Idle, ADC Noise Reduction, Power-save, Power-down, Standby) and a wide operating voltage range (1.8V - 5.5V), making it suitable for battery-powered and energy-harvesting applications.
Frequently Asked Questions (FAQ):
Q: What is the main difference between the ATMEGA168A and the older ATMEGA168?
A: The “A” revision (ATMEGA168A) typically features lower power consumption, improved manufacturing processes, and potentially more stable electrical characteristics compared to the original ATMEGA168, while maintaining full pin and code compatibility.
Compatible Alternative 8-bit MCU List
● ATMEGA328P-PU: A direct upgrade from the same family with 32 KB Flash, 2 KB SRAM, and 1 KB EEPROM, offering more memory while maintaining high pin compatibility, famously used in Arduino Uno.
● ATTINY841-SSU: A smaller, more cost-effective AVR microcontroller from Microchip with 8 KB Flash and 512 bytes SRAM, suitable for applications requiring fewer I/Os and less memory.
● PIC16F1937-I/SP: An 8-bit microcontroller from Microchip's PIC family with comparable Flash (28 KB) and peripheral set, providing an architectural alternative within the same vendor ecosystem.
● STM8S105C6T6: An 8-bit microcontroller from STMicroelectronics based on a different core architecture, offering similar memory (32 KB Flash) and peripheral features at a competitive price point.
