SN74HC151DG4

Overview

The SN74HC151DG4 is an 8-to-1 line data selector/multiplexer from the Texas Instruments SN74HC series. It provides complete binary decoding to select one of eight data sources. The device operates within a supply voltage range of 2 V to 6 V and features a propagation delay of 63 ns. It is housed in a 16-pin SOIC-Narrow package and supports surface mount installation. The component functions across a temperature range of -40°C to +85°C.

Feature Summary

• Provides complete binary decoding for selecting one of eight data inputs
• Enables input selection via low logic level on the G input pin
• Forces standard output low and inverted output high when strobe is high

Applications

• Data source selection
• Demultiplexing operations
• Parallel-to-serial conversion

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to confirm package type and environmental compliance. Confirm end-of-life status with the supplier, as availability may be limited. Ensure the design accommodates the specified voltage and temperature ranges for reliable operation.

Selection Notes

Select this component for applications requiring an 8-channel multiplexer with HC logic speed. Verify that the system voltage falls between 2 V and 6 V. Consider the SOIC-Narrow package dimensions for PCB layout constraints. Check if automotive qualification is required, as other variants like SN74HC151-Q1 exist.

Part Context

This part belongs to the SN74HC151 family of 8-to-1 data selectors. It is manufactured by Texas Instruments using CMOS technology. The DG4 suffix indicates a specific tape-and-reel or tube packaging variant within the SOIC-Narrow form factor. It serves as a digital switch for routing multiple data lines to a single output path.

Replacement Considerations

SN74HC151DR: Same function in SOIC-16 package. SN74HC151PW: Same function in TSSOP-16 package. SN74HC151DRE4: Equivalent version with different manufacturing origin.