SN74ALS86NG4

The SN74ALS86NG4 is a quad 2-input exclusive OR (XOR) gate integrated circuit (IC) manufactured by Texas Instruments. It is part of the 74ALS (Advanced Low Power Schottky) series, which is known for its high-speed performance and low power consumption. Here’s a detailed description of its features and specifications:

General Description:

• Functionality: The SN74ALS86NG4 contains four independent XOR gates. Each gate has two inputs and one output, performing the exclusive OR operation, which outputs a high signal (logic 1) when the number of high inputs is odd.
• Package Type: The device is typically available in a 14-pin dual in-line package (DIP) or surface mount configurations, making it suitable for various applications in digital circuits.

Electrical Characteristics:

• Supply Voltage (Vcc): The IC operates typically at a supply voltage of 4.5V to 5.5V, making it compatible with standard TTL logic levels.
• Input Voltage Levels: The input high voltage (VIH) is typically around 2.0V, while the input low voltage (VIL) is around 0.8V, ensuring compatibility with other TTL devices.
• Output Drive Capability: The SN74ALS86 can drive standard TTL loads, with a typical output high current (IOH) of -0.4 mA and output low current (IOL) of 8 mA, allowing it to interface with other logic devices effectively.

Performance:

• Propagation Delay: The typical propagation delay time for the XOR gates is around 5 ns, which indicates the speed at which the output responds to changes in the input.
• Power Dissipation: The device is designed for low power consumption, with a typical supply current (ICC) of around 1 mA, making it suitable for battery-operated devices and energy-efficient applications.

Features:

• High Noise Immunity: The SN74ALS86NG4 exhibits good noise margins, ensuring reliable operation in noisy environments.
• Wide Operating Temperature Range: The IC is rated for operation over a temperature range of -40°C to +85°C, making it suitable for industrial and automotive applications.
• Pin Configuration: The 14-pin configuration includes power supply pins (Vcc and GND) and input/output pins for each of the four XOR gates, allowing for easy integration into circuit designs.

Applications:

The SN74ALS86NG4 is commonly used in various digital applications, including:

• Arithmetic and logic operations in digital circuits.
• Data encoding and decoding.
• Parity generation and checking.
• Signal processing in communication systems.

Conclusion:

The SN74ALS86NG4 from Texas Instruments is a versatile and efficient quad 2-input XOR gate that combines high-speed performance with low power consumption, making it an ideal choice for a wide range of digital logic applications. Its robust design and compatibility with standard TTL logic levels ensure reliable operation in various electronic systems.