SN74LS175D

Flip Flops Overview

The SN74LS175D is a low-power Schottky (LSTTL) quad D flip-flop manufactured by onsemi. It features four independent edge-triggered D-type inputs with a common clock and an asynchronous master reset. The device provides both true and complemented outputs for each flip-flop, fabricated using the Schottky barrier diode process for high speed. It operates within a DC supply voltage range of 4.75V to 5.25V. Key electrical parameters include a maximum clock frequency of 40 MHz, a propagation delay of 30 ns from clock to output, and an output current capability of 8 mA. The component is housed in a 16-pin DIP package.

Flip Flops Feature Summary

• Edge-triggered D-type inputs with buffered positive-edge clock
• Asynchronous common reset input independent of clock or data
• Simultaneous true and complemented outputs for all flip-flops
• High-speed operation utilizing Schottky barrier diode fabrication

Flip Flops Applications

• General-purpose digital storage registers
• Parallel-to-serial data conversion circuits
• State machine implementation in logic systems
• Digital signal processing control units

Flip Flops Procurement Notes

Verify that the specific part number suffix 'D' corresponds to the SOIC-16 surface-mount package configuration rather than the standard through-hole DIP variant. Confirm that the manufacturer designation aligns with onsemi specifications, as this component was historically produced by multiple vendors including Texas Instruments and National Semiconductor. Ensure compatibility with LSTTL logic families for voltage levels and drive requirements before integration into existing designs.

Flip Flops Selection Notes

Select this component when a compact quad D flip-flop solution is required with simultaneous complementary outputs. It is suitable for applications demanding high-speed data latching with a single clock source. Consider the SOIC-16 package for surface-mount assembly needs. Verify that the system power supply remains strictly within the 4.75V to 5.25V range to ensure reliable operation and prevent damage to the internal Schottky structures.

Flip Flops Part Context

This integrated circuit belongs to the standard 74LS series of logic devices, widely used in digital electronics for basic memory and timing functions. The SN74LS175 specifically addresses the need for quadruple data storage with clear functionality. Its design allows for efficient use in systems requiring multiple synchronized data points to be captured and held simultaneously under a unified control signal.

Flip Flops Replacement Considerations

Compatible substitutes include the SN74LS175N (DIP-16 package), SN74LS175NSR (SOIC-16 package), and generic equivalents such as the MC74LS175P or DM74LS175N. These parts share identical logical functionality and pinout configurations, ensuring direct interchangeability in most standard TTL applications.