CD74HC42E

Overview

The CD74HC42E is a high-speed CMOS logic device manufactured by Texas Instruments, functioning as a 4-line to 10-line decoder. It operates within a supply voltage range of 2 V to 6 V and features through-hole mounting in a 16-pin PDIP package. The component exhibits a propagation delay of 38 ns and supports an operating temperature range from -40°C to +85°C.

Feature Summary

• Functions as a 4-input to 10-output decoder for digital signal routing
• Utilizes high-speed CMOS technology for efficient power consumption
• Provides single-ended output configuration for standard logic interfacing

Applications

• Digital address decoding circuits
• Memory chip select generation
• Control logic interface design

Procurement Notes

Verify the specific suffix 'E' indicates the PDIP-16 package variant when sourcing. Confirm RoHS compliance status via the manufacturer's official documentation prior to integration. Ensure the selected distributor provides valid traceability records for the Texas Instruments manufacturing lot.

Selection Notes

Select this component for designs requiring through-hole assembly with robust noise immunity. The HC series offers compatibility with standard TTL logic levels while maintaining low static power dissipation. Verify that the 38 ns propagation delay meets the timing constraints of the target application circuit.

Part Context

This part belongs to the Texas Instruments 74HC logic family, designed for general-purpose digital applications. It serves as a complementary alternative to other decoder variants within the same series, offering standardized pinouts and electrical characteristics suitable for industrial and commercial electronic systems.

Replacement Considerations

SN74HC42N: Verified equivalent offering identical logical function and pinout compatibility.