Switch Time (Ton, Toff) (Max):	41ns, 32ns
Base Part Number:	74HC4053
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.295", 7.50mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Crosstalk:	-50dB @ 1MHz
Current - Leakage (IS(off)) (Max):	100nA
Channel Capacitance (CS(off), CD(off)):	5pF, 30pF
Charge Injection:	--
-3db Bandwidth:	35MHz
Series:	--
Voltage - Supply, Dual (V±):	±2 V ~ 6 V
Voltage - Supply, Single (V+):	2 V ~ 6 V
Channel-to-Channel Matching (ΔRon):	15 Ohm
On-State Resistance (Max):	100 Ohm
Number of Circuits:	3
Multiplexer/Demultiplexer Circuit:	2:1
Switch Circuit:	SPDT
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

MM74HC4053WMX is a Multiplexer, Demultiplexer, and Analog Switches device from Texas Instruments (TI). It is a member of the 74HC logic family, and is a perfect choice for interfacing analog and digital signal processing systems. It can be used to increase integration, reduce design complexity, and draw less power. By utilizing a Multiplexer and Demultiplexer, the MM74HC4053WMX device can provide maximum system performance in a wide range of applications.

Application Field

The MM74HC4053WMX device is ideal for interfacing mixed signal systems, such as applications involving automatic control, data acquisition, and signal conditioning. In addition, it can be used to increase system integration by creating connection circuits between analog circuits, digital circuits and mixed signal circuits.Moreover, the device is often used for switching and attenuating signals, enabling connection between differential signal lines and providing signal routing for audio systems.

Design Considerations

There are several design considerations to note with the MM74HC4053WMX device: 1. The device can handle signal levels from TTL to CMOS, ensuring the compatibility of all signals.2. The 4053 has low leakage currents, ensuring that the output voltage stays within the range.3. A high impedance between the inputs and outputs allows for maximum signal gain, signal fidelity, and minimal crosstalk.4. The output signal will suffer minimal variations, even at high operating frequencies, due to the device\'s low ON resistance.

Working Principle

The MM74HC4053WMX device is composed of two 2:1 multiplexers and one 3:1 multiplexer, connected in an "L-shape" configuration. The multiplexers and demultiplexers route signals between two channels, based on the logic level of the control inputs. There are sixteen data inputs and three logic control inputs at the device\'s inputs, and two multiplexed or demultiplexed outputs. The logic control inputs determine which multiplexer or demultiplexer is active, and hence which data path is selected. For example, if the control input is "0", the signal will be directed to the first data path. If the control input is "1", the signal will be directed to the second data path. The control input signals must remain stable for the duration of the data transfer.

Conclusion

The MM74HC4053WMX device is a versatile and reliable device for interfacing analog and digital signal processing systems. With its low power draw, high-impedance inputs, and low leakage currents, it provides maximum system performance in a wide range of applications. The device also allows for efficient signal routing, switching and attenuation of signals, and can handle signal levels ranging from TTL to CMOS. Finally, the device\'s functional principle is straightforward and easy to understand, allowing for quite quick implementation in existing systems.

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