CD40174BCN

Overview

The CD40174BCN is a hex D-type flip-flop manufactured by Fairchild Semiconductor. It consists of six positive-edge triggered D-type flip-flops with true outputs externally available. The device operates on a wide supply voltage range from 3V to 15V and features high noise immunity. All inputs are protected from static discharge via diode clamps to VDD and VSS. The component utilizes CMOS technology and is housed in a standard DIP-16 package.

Feature Summary

• Hex configuration providing six independent positive-edge triggered D-type flip-flops
• Wide operating supply voltage range supporting 3V to 15V applications
• High noise immunity characteristics for reliable signal processing
• Integrated input protection against static discharge through diode clamps

Applications

• Parallel-to-serial data conversion circuits
• Shift register implementations requiring multiple storage stages
• Digital logic systems utilizing common clock and clear control signals
• Memory buffer applications in low-power digital designs

Procurement Notes

Verify the specific manufacturer source, as Fairchild Semiconductor has undergone corporate restructuring and asset acquisitions. Ensure the component matches the original Fairchild specifications or valid successor documentation from acquired entities like ON Semiconductor. Confirm the package type is DIP-16 and check for any lead-free compliance markings if required by project standards.

Selection Notes

Select this component when a hex D-type flip-flop is required rather than a quad configuration. The CD40174BCN offers six outputs, whereas the CD40175BCN provides four outputs with both true and complementary outputs. Consider the wide voltage range and TTL compatibility if interfacing with legacy logic families. Evaluate power consumption requirements against other CMOS options.

Part Context

The CD40174BCN belongs to the 4000-series CMOS logic family, known for broad voltage operation and low power consumption. It is functionally equivalent to the MC14174B and MM74C174. This series is widely used in general-purpose digital electronics where reliable state storage and shift operations are needed without complex timing constraints.

Replacement Considerations

The CD40175BCN serves as a functional alternative but contains only four flip-flops with complementary outputs. Other equivalents include the MC14174B and MM74C174. Verify pinout compatibility and output availability (true vs. true/complementary) before substitution.