SN74LS73AD

Flip Flops Overview

The SN74LS73AD is a dual J-K flip-flop integrated circuit manufactured by Texas Instruments, belonging to the 74LS logic family. It features two independent flip-flops with active-low clear inputs and positive-edge clock triggering. The device operates within a supply voltage range of 4.75 V to 5.25 V and supports a maximum clock frequency of 45 MHz. It is housed in a 14-pin SOIC surface-mount package with dimensions of 8.65 mm length, 7.50 mm width, and 1.27 mm height. The component functions reliably across an operating temperature range of 0°C to +70°C.

Flip Flops Feature Summary

• Dual independent J-K flip-flops with dedicated active-low clear inputs for immediate state reset
• Positive-edge triggered clocking mechanism ensuring precise data capture timing
• High-speed operation capability supporting clock frequencies up to 45 MHz
• Surface-mount SOIC packaging designed for automated assembly processes

Flip Flops Applications

• Parallel-to-serial data conversion circuits
• Frequency division and counting applications
• Shift register construction for data storage
• Timing sequence generation in digital systems

Flip Flops Procurement Notes

Verify the manufacturer part number SN74LS73AD against official Texas Instruments documentation to confirm the specific suffix indicates the SOIC package variant. Ensure that the procurement source provides valid traceability for the 74LS logic family specifications. Cross-reference the pinout configuration with the official datasheet to prevent integration errors during PCB assembly. Confirm compliance with the specified electrical parameters before finalizing orders.

Flip Flops Selection Notes

Select this component when a dual J-K flip-flop solution with surface-mount compatibility is required for high-speed digital logic applications. The 74LS series offers standard TTL compatibility while maintaining low power consumption relative to earlier generations. Consider the 14-pin SOIC form factor for space-constrained designs requiring robust performance within standard industrial temperature ranges. Evaluate the 45 MHz speed limit against system clock requirements to ensure adequate timing margins.

Flip Flops Part Context

This component belongs to the Texas Instruments 74LS series, representing a widely adopted standard for low-power Schottky TTL logic. The SN74LS73AD specifically addresses the need for dual flip-flop functionality in compact surface-mount formats. It serves as a fundamental building block for sequential logic design, enabling complex state machine implementations and data handling operations within broader digital circuit architectures.

Flip Flops Replacement Considerations

Public confirmed substitute part numbers include SN74LS73AN and SN74LS73N. Verify package compatibility when substituting through-hole variants for surface-mount designs.