Texas Instruments

CD74HCT4066M  

Analog Switches, Multiplexers, Demultiplexers

CD74HCT4066M Description

The CD74HCT4066M is a high-performance analog switch from Texas Instruments, designed for applications requiring reliable and efficient signal routing. This device features four independent single-pole, single-throw (SPST) switches, each with an on-state resistance (R_on) of up to 70 ohms. The CD74HCT4066M operates within a supply voltage range of 4.5V to 5.5V, making it suitable for a variety of digital and analog systems. The device is housed in a surface-mount 14SOIC package, which is ideal for compact and high-density PCB designs.

CD74HCT4066M Features

• Low On-State Resistance: The CD74HCT4066M boasts a maximum on-state resistance of 70 ohms, ensuring minimal signal attenuation and power loss when the switches are closed. This feature is crucial for maintaining signal integrity in high-precision applications.
• High Channel-to-Channel Matching: With a channel-to-channel matching of 500 milliohms, the CD74HCT4066M ensures consistent performance across all four channels, which is essential for applications requiring uniform signal routing.
• Low Leakage Current: The device has a maximum leakage current of 100 nanoamperes when the switches are off, which helps in reducing power consumption and maintaining signal isolation.
• Wide Bandwidth: The CD74HCT4066M offers a -3dB bandwidth of 200 MHz, making it suitable for high-frequency applications where signal fidelity is critical.
• Low Channel Capacitance: The channel capacitance of 5 picofarads ensures minimal signal distortion and fast switching times, which is beneficial for high-speed signal processing.
• Compliance and Reliability: The CD74HCT4066M is REACH unaffected and RoHS3 compliant, ensuring it meets the latest environmental and safety standards. Its moisture sensitivity level (MSL) of 1 (unlimited) makes it suitable for a wide range of manufacturing environments.
• Multiplexer/Demultiplexer Circuit: The 1:1 multiplexer/demultiplexer circuit allows for efficient signal routing and switching, making it ideal for applications requiring signal selection and distribution.

CD74HCT4066M Applications

The CD74HCT4066M is ideal for a variety of applications in the electronics industry, including:

• Signal Routing and Switching: The device's low on-state resistance and high bandwidth make it suitable for routing analog and digital signals in communication systems, test and measurement equipment, and audio processing circuits.
• High-Speed Data Transmission: The 200 MHz bandwidth and low channel capacitance ensure minimal signal degradation, making the CD74HCT4066M ideal for high-speed data transmission applications.
• Power Management: The low leakage current and high channel-to-channel matching make the device suitable for power management applications where signal isolation and power efficiency are critical.
• Medical and Industrial Equipment: The device's compliance with environmental and safety standards, along with its robust performance, make it suitable for use in medical and industrial equipment where reliability and precision are paramount.

Conclusion of CD74HCT4066M

The CD74HCT4066M from Texas Instruments is a versatile and high-performance analog switch that offers significant advantages over similar models. Its low on-state resistance, high channel-to-channel matching, and wide bandwidth make it ideal for a variety of applications requiring reliable signal routing and switching. The device's compliance with environmental and safety standards, along with its robust performance, ensures it meets the demands of modern electronics applications. Whether used in communication systems, test and measurement equipment, or power management circuits, the CD74HCT4066M provides a reliable and efficient solution for signal routing and switching needs.

CD74HCT4066M Documents

Download datasheets and manufacturer documentation for CD74HCT4066M

Datasheets :

CD54HC4066, CD74HC(T)4066      

PCN Packaging :

Reel 10/Jul/2018      

PCN Obsolescence/ EOL :

OBS 21/Jun/2023      

HTML Datasheet :

CD54HC4066, CD74HC(T)4066      

PCN Design/Specification :

Design 25/Feb/2022