onsemi

SN74LS109AN  

Flip Flops

SN74LS109AN Description

The SN74LS109AN is a dual JK-type flip-flop integrated circuit, designed for high-speed switching applications. Manufactured by onsemi, this logic IC chip belongs to the 74LS series and is housed in a through-hole package. It features a clock frequency of up to 33 MHz, ensuring rapid data processing and synchronization. The operating temperature range of 0°C to 70°C (TA) makes it suitable for a variety of environments, from industrial to consumer electronics.

Each flip-flop element in the SN74LS109AN is capable of handling 1 bit of data, with complementary outputs providing flexibility in circuit design. The device operates on a supply voltage between 4.75V and 5.25V, ensuring compatibility with standard 5V digital systems. The maximum propagation delay of 40ns at 5V and 15pF highlights its efficiency in high-speed operations. The quiescent current of 8 mA and output current capabilities of 400µA (high) and 8mA (low) ensure reliable performance with minimal power consumption.

SN74LS109AN Features

• High-Speed Performance: With a clock frequency of 33 MHz, the SN74LS109AN is ideal for applications requiring rapid data processing and synchronization.
• Wide Operating Temperature Range: Suitable for use in environments ranging from 0°C to 70°C, making it versatile for various industrial and consumer applications.
• Low Propagation Delay: A maximum propagation delay of 40ns at 5V and 15pF ensures minimal latency in signal transmission.
• Efficient Power Usage: A quiescent current of 8 mA and output current capabilities of 400µA (high) and 8mA (low) provide efficient power consumption.
• Dual JK-Type Flip-Flops: Each flip-flop handles 1 bit of data with complementary outputs, offering flexibility in digital circuit design.
• Positive Edge Triggering: Ensures reliable and predictable state changes, making it suitable for synchronous digital systems.
• Through-Hole Mounting: Facilitates easy integration into printed circuit boards (PCBs) and manual soldering processes.

SN74LS109AN Applications

The SN74LS109AN is well-suited for a range of applications, including:

• Digital Counters and Registers: Its JK-type flip-flops are ideal for building digital counters and registers, essential components in digital systems.
• Synchronization Circuits: The high clock frequency and low propagation delay make it suitable for synchronizing digital signals in complex systems.
• Memory Circuits: The flip-flops can be used in memory circuits for storing and retrieving digital data.
• Control Logic: The dual flip-flops can be employed in control logic circuits for managing sequential operations in various electronic devices.

Conclusion of SN74LS109AN

The SN74LS109AN, with its high-speed performance, wide operating temperature range, and low propagation delay, stands out as a reliable choice for digital circuit design. Its dual JK-type flip-flops and complementary outputs offer flexibility and efficiency, making it suitable for a variety of applications, from digital counters to control logic. Despite being marked as obsolete, the SN74LS109AN remains a valuable component for engineers and designers working with legacy systems or requiring specific performance characteristics.

SN74LS109AN Documents

Download datasheets and manufacturer documentation for SN74LS109AN

Datasheets :

SN74LS109AN