Texas Instruments

SN74ALS112ADR

SN74ALS112ADR Description

The SN74ALS112ADR is a dual JK-type flip-flop integrated circuit (IC) designed by Texas Instruments. This device is part of the 74ALS series, known for its high-speed performance and reliability. The SN74ALS112ADR features two independent flip-flops, each capable of handling 1-bit of data. It operates within a supply voltage range of 4.5V to 5.5V and is optimized for a clock frequency of up to 30 MHz. The flip-flops are triggered on the negative edge of the clock signal, ensuring precise timing control.

This IC is designed with complementary outputs, providing both true and complement signals, which is advantageous for various digital logic applications. The maximum propagation delay is 19ns at 5V with a maximum load capacitance of 50pF, ensuring fast signal processing. The quiescent current is rated at 4.5 mA, making it suitable for low-power applications. The output current capabilities are 400µA for high and 8mA for low, providing robust performance.

The SN74ALS112ADR is available in a surface-mount package, specifically in a 16-pin SOIC (Small Outline Integrated Circuit) format, which is ideal for compact and high-density PCB designs. The device is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance. The moisture sensitivity level (MSL) is rated at 1 (unlimited), making it suitable for a wide range of manufacturing environments. The operating temperature range is from 0°C to 70°C (TA), making it suitable for general industrial applications.

SN74ALS112ADR Features

• High-Speed Performance: With a maximum clock frequency of 30 MHz, the SN74ALS112ADR ensures fast operation suitable for high-speed digital circuits.
• Negative Edge Triggering: The flip-flops are triggered on the negative edge of the clock signal, providing precise timing control and synchronization.
• Complementary Outputs: Each flip-flop provides both true and complement outputs, enhancing its versatility for various digital logic applications.
• Low Power Consumption: The quiescent current of 4.5 mA makes this IC suitable for low-power applications, reducing overall power consumption.
• Robust Output Current: With output current capabilities of 400µA for high and 8mA for low, the SN74ALS112ADR can drive a variety of loads effectively.
• Wide Supply Voltage Range: Operating within a supply voltage range of 4.5V to 5.5V, this IC is versatile and compatible with standard 5V digital systems.
• Surface-Mount Package: The 16-pin SOIC package is ideal for compact and high-density PCB designs, facilitating easy integration into modern electronic systems.
• Environmental Compliance: The SN74ALS112ADR is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance.
• Moisture Sensitivity Level: Rated at MSL 1 (unlimited), this IC is suitable for a wide range of manufacturing environments, reducing the risk of moisture-related issues.

SN74ALS112ADR Applications

The SN74ALS112ADR is ideal for a variety of digital logic applications where precise timing and high-speed operation are required. Some specific use cases include:

• Digital Counters and Registers: The dual JK flip-flops can be used to build synchronous counters and registers, providing reliable data storage and manipulation.
• Clock Management: The negative edge triggering and complementary outputs make this IC suitable for clock management circuits, ensuring precise timing and synchronization.
• Data Storage and Transfer: The flip-flops can be used to store and transfer data in digital systems, ensuring data integrity and fast processing.
• Control Logic: The SN74ALS112ADR can be used in control logic circuits, providing reliable and fast switching capabilities.
• Frequency Division: The JK flip-flops can be configured to divide clock frequencies, making this IC suitable for frequency division applications in digital systems.

Conclusion of SN74ALS112ADR

The SN74ALS112ADR is a versatile and high-performance dual JK-type flip-flop IC designed for a wide range of digital logic applications. Its high-speed operation, precise timing control, and complementary outputs make it an ideal choice for applications requiring fast and reliable digital processing. The low power consumption and robust output current capabilities further enhance its suitability for modern electronic systems. Despite being marked as obsolete, the SN74ALS112ADR remains a reliable and efficient solution for digital circuit design, offering unique features and advantages over similar models.