SN74HCT74NS

Flip Flops Overview

The SN74HCT74NS is a dual D-type edge-triggered flip-flop from the Texas Instruments HCT logic series. It features two independent circuits in a 14-pin PDIP package. The device accepts TTL-compatible inputs and provides complementary CMOS outputs. Key electrical parameters include a propagation delay of 28 ns, with high-level output current of -4 mA and low-level output current of 4 mA. It operates within a supply voltage range of 4.5 V to 5.5 V and supports an operating temperature range from -40°C to +85°C.

Flip Flops Feature Summary

• Dual independent D-type edge-triggered flip-flops
• TTL-compatible input levels for direct interfacing
• Complementary CMOS outputs (Q and Q-bar)
• Through-hole PDIP-14 packaging

Flip Flops Applications

• Data storage and register applications
• Shift registers
• Timing control circuits
• State machine implementations

Flip Flops Procurement Notes

Verify the specific suffix 'NS' against official Texas Instruments documentation to confirm package type and availability. Ensure compatibility with required operating temperatures and supply voltage ranges. Cross-reference datasheet specifications for propagation delays and output drive currents before integration into designs.

Flip Flops Selection Notes

Select this component when TTL-to-CMOS interface capability is required. The HCT series ensures compatibility with standard TTL logic levels while offering CMOS output characteristics. Consider the PDIP-14 package for through-hole assembly needs and verify that the 28 ns propagation delay meets system timing requirements.

Flip Flops Part Context

This part belongs to the SN74HCT74 family of dual D-type flip-flops. It is designed for general-purpose digital logic applications requiring data storage or transfer. The HCT technology bridges the gap between older TTL systems and modern CMOS designs, providing robust performance in mixed-logic environments.

Flip Flops Replacement Considerations

Compatible substitutes include SN74HC74N and SN74LS74N, provided voltage levels and speed requirements are met. Verify pinout compatibility and electrical characteristics such as propagation delay and output current capabilities before substitution.