Texas Instruments

SN74LS109ANE4

SN74LS109ANE4 Description

The SN74LS109ANE4 is a dual J-K flip-flop with positive-edge, triggering designed for high-speed, low-power logic applications. Manufactured by Texas Instruments, this logic IC chip belongs to the 74LS series and is ideal for a wide range of digital circuit designs requiring reliable and efficient flip-flop functionality. The device operates within a supply voltage range of 4.75V to 5.25V and features a clock frequency of up to 33 MHz, ensuring high-speed performance. It is housed in a through-hole package, making it suitable for both prototyping and production environments.

SN74LS109ANE4 Features

• High-Speed Performance: With a maximum propagation delay of 40ns at 5V and a maximum load capacitance of 15pF, the SN74LS109ANE4 ensures rapid signal processing and minimal latency.
• Low Power Consumption: The device consumes only 8 mA in quiescent mode, making it energy-efficient and suitable for applications where power management is critical.
• Dual J-K Flip-Flops: The SN74LS109ANE4 contains two independent J-K-f fliplops, each with set (preset) and reset functions, providing flexibility in digital circuit design.
• Positive-Edge Triggering: The flip-flops are triggered on the positive edge of the clock signal, ensuring precise timing control and synchronization.
• Complementary Outputs: Each flip-flop provides complementary outputs, enhancing the versatility of the device in various digital logic applications.
• Wide Operating Temperature Range: The SN74LS109ANE4 operates reliably within a temperature range of 0°C to 70°C (TA), making it suitable for a variety of environmental conditions.
• Robust Current Handling: The device can handle up to 8mA of output current and 400µA of output high current, ensuring robust performance in driving external loads.

SN74LS109ANE4 Applications

The SN74LS109ANE4 is ideal for a range of applications requiring high-speed, low-power flip-flop functionality. Some specific use cases include:

• Digital Counters and Registers: The dual J-K flip-flops can be used to build synchronous counters registers and, essential components in digital systems.
• State Machines: The set and reset functions, along with positive-edge triggering, make the SN74LS109ANE4 suitable for implementing state machines in control systems.
• Memory Elements: The flip-flops can serve as memory elements in digital circuits, storing binary information.
• Frequency Dividers: The device can be used to divide clock frequencies, providing lower frequency signals for various timing applications.
• Data Synchronization: The positive-edge triggering ensures reliable synchronization of data signals in digital communication systems.

Conclusion of SN74LS109ANE4

The SN74LS109ANE4 is a versatile and high-performance dual J-K flip-flop designed for a wide range of digital circuit applications. Its high-speed operation, low power consumption, and robust current handling capabilities make it an ideal choice for engineers and designers looking for reliable and efficient flip-flop solutions. With its dual J-K flip-flops, complementary outputs, and positive-edge triggering, the SN74LS109ANE4 offers significant advantages over similar models, making it a standout product in the 74LS series. Whether used in digital counters, state machines, or data synchronization circuits, the SN74LS109ANE4 delivers exceptional performance and reliability, ensuring successful implementation in various electronic designs.