SN74HC253NE4

Overview

The SN74HC253NE4 is a dual 4-line to 1-line data selector/multiplexer from the HC logic family, housed in a 16-pin PDIP package. It operates within a supply voltage range of 2 V to 6 V and supports an operating temperature range of -40°C to +85°C. The device features two independent multiplexers with full binary decoding and strobe-controlled 3-state outputs. Key electrical characteristics include a maximum static current of 80 μA at 6 V, output drive capabilities of ±6 mA at 5 V, and typical propagation delays ranging from 9 ns to 38 ns depending on voltage and load conditions.

Feature Summary

• Contains two independent 4-to-1 data selectors with full binary decoding for selecting one of four data sources.
• Features strobe-controlled 3-state outputs that allow interfacing with bus-organized systems by enabling high-impedance states.
• Provides wide operating voltage flexibility suitable for various digital logic environments.
• Designed for low power consumption while maintaining high-current output drive capabilities.

Applications

• Multiplexing multiple data lines into a single transmission path
• Parallel-to-serial data conversion circuits
• Bus-oriented system data routing

Procurement Notes

Verify the specific ordering suffix 'E' indicates lead-free composition and RoHS compliance as per Texas Instruments standards. Confirm the PDIP-16 package dimensions match your PCB footprint requirements. Ensure the operating environment stays within the specified -40°C to +85°C temperature range for guaranteed performance. Check the latest Package Option Addendum for current production status and availability details.

Selection Notes

Select this component when a dual-channel multiplexer with 3-state outputs is required for HC logic compatibility. It serves as a direct functional replacement for the SN74HC153 series but provides non-inverting outputs instead of inverting ones. Consider the 16-pin PDIP package if through-hole mounting is necessary for your assembly process. Evaluate the 2 V to 6 V supply range against your system's power rails to ensure adequate noise margins and signal integrity.

Part Context

This device belongs to the SNx4HC253 family of dual 4-line to 1-line data selectors/multiplexers. It is part of the broader SN74HC series of high-speed CMOS logic devices manufactured by Texas Instruments. The NE4 suffix specifically denotes the PDIP-16 package variant with environmental compliance attributes defined by the manufacturer.

Replacement Considerations

SN74HC153: Functional equivalent but provides inverting outputs rather than non-inverting ones. SN74HC253N: Identical logical function and specifications; the 'N' suffix denotes the standard PDIP-16 package without the explicit 'E4' environmental designation.