CD74HC4351E

Analog Switches, Multiplexers, Demultiplexers Overview

The CD74HC4351E is a single-pole octal-throw analog switch manufactured by Texas Instruments. It functions as an 8:1 multiplexer or demultiplexer with three digital select inputs and two enable inputs. The device operates on a single supply voltage ranging from 2V to 6V, or dual supplies of ±1V to ±5V. Key electrical parameters include a maximum on-resistance of 130 ohms, a typical break-before-make switching action, and channel-to-channel matching of 5 ohms. It supports a -3dB bandwidth of 165MHz and features low leakage current of 200nA maximum. The component is housed in a 20-pin PDIP package and operates within a temperature range of -55°C to +125°C.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Provides eight independent analog switches for signal routing
• Features address latches for stable selection states
• Includes built-in break-before-make switching logic
• Supports interface to voltages exceeding VCC via clamp diodes

Analog Switches, Multiplexers, Demultiplexers Applications

• Analog multiplexing and demultiplexing systems
• Digital signal gating and routing
• Data acquisition systems requiring channel selection

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the specific suffix 'E' corresponds to the 20-PDIP package configuration when sourcing. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the selected variant matches the required leaded package dimensions for PCB footprint compatibility.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component for applications requiring high-speed analog switching with latch functionality. Compare on-resistance specifications against load requirements to ensure signal integrity. Verify that the operating voltage range aligns with the system's power supply rails and that the PDIP package fits the assembly constraints.

Analog Switches, Multiplexers, Demultiplexers Part Context

This part belongs to the 74HC series of high-speed CMOS logic devices. It is functionally compatible with other 74HC435x family members but offers specific octal switching capabilities. The device is designed for general-purpose analog and digital signal routing in industrial and consumer electronics.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

The CD74HC4052M96 is listed as a manufacturer-recommended alternative. Verify pinout compatibility and channel configuration differences before substitution.