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ATMEGA161L-4PC

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ATMEGA161L-4PC

IC MCU 8BIT 16KB FLASH 40DIP

Manufacturer: Microchip Technology

Categories: Microcontrollers

Quality Control: Learn More

Microchip Technology ATmega161L-4PC is an 8-bit AVR® ATmega microcontroller featuring 16KB of FLASH program memory and 1KB of SRAM. This device operates at speeds up to 4MHz and supports a voltage range of 2.7V to 5.5V. Connectivity options include SPI and UART/USART interfaces, facilitating communication with peripheral devices. The ATmega161L-4PC is equipped with a comprehensive set of peripherals, including Power-on Reset (POR), Pulse Width Modulation (PWM), and Watchdog Timer (WDT). It offers 35 general-purpose I/O pins and a 512 x 8 EEPROM for non-volatile data storage. Packaged in a 40-DIP (0.600", 15.24mm) format suitable for through-hole mounting, this microcontroller is designed for applications in industrial automation and consumer electronics. The operating temperature range is 0°C to 70°C.

Additional Information

Series: AVR® ATmegaRoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDatasheet:
Technical Details:
PackagingTube
Package / Case40-DIP (0.600"", 15.24mm)
Mounting TypeThrough Hole
Speed4MHz
Program Memory Size16KB (8K x 16)
RAM Size1K x 8
Operating Temperature0°C ~ 70°C (TA)
Oscillator TypeExternal
Program Memory TypeFLASH
EEPROM Size512 x 8
Core ProcessorAVR
Data Converters-
Core Size8-Bit
Voltage - Supply (Vcc/Vdd)2.7V ~ 5.5V
ConnectivitySPI, UART/USART
PeripheralsPOR, PWM, WDT
Supplier Device Package40-PDIP
Number of I/O35
ProgrammableNot Verified

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Microcontroller FAQs

A microcontroller is a compact integrated circuit that combines a processor, memory, and input/output peripherals for embedded control applications.

Microcontrollers execute programmed instructions to process sensor inputs and control outputs such as motors, displays, and communication interfaces.

Microcontrollers are commonly used in:

  • Automotive systems
  • Robotics
  • IoT devices
  • Industrial automation
  • Household appliances
  • Smart electronics

Microcontrollers integrate memory and peripherals on-chip for dedicated tasks, while microprocessors are designed for higher-performance computing systems requiring external components.

Frequently Asked Questions

As a full line supplier, we specialize in sourcing obsolete and hard to find electronic components for your projects.

After we receive your request submission, one of our account executives will reach out to your team to gather more information about your project requirements and ensure we tailor the order to your needs.

Once requirements such as date codes, quantities, target prices, testing requirements, and more are discussed, our purchasing team will secure stock through Microchip USA’s direct access to manufacturing partners’ excess inventory lists.

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We partner with industry-leading AS6171 & AS6081-certified third party testing labs to mitigate risk and support a wide array of end uses for your company’s requirements. Testing includes but isn’t limited to: Decapsulation & Internal Dye Verification. X-Ray Inspection & Analysis, External Visual Inspection, Surface Texture Analysis (SEM), and Electrical Pin Correlation.

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