CD74HCT4052ME4

Switch Time (Ton, Toff) (Max):	--
Base Part Number:	74HCT4052
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-55°C ~ 125°C (TA)
Crosstalk:	--
Current - Leakage (IS(off)) (Max):	200nA
Channel Capacitance (CS(off), CD(off)):	5pF, 12pF
Charge Injection:	--
-3db Bandwidth:	185MHz
Series:	--
Voltage - Supply, Dual (V±):	±1 V ~ 5 V
Voltage - Supply, Single (V+):	4.5 V ~ 5.5 V
Channel-to-Channel Matching (ΔRon):	5 Ohm
On-State Resistance (Max):	130 Ohm
Number of Circuits:	2
Multiplexer/Demultiplexer Circuit:	4:1
Switch Circuit:	SP4T
Part Status:	Active
Packaging:	Tube

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CD74HCT4052ME4 Application Field and Working Principle

CD74HCT4052ME4 is a high-speed CMOS dual/quad 2-channel analog multiplexer/demultiplexer, with individual address control and a common data bus. Devices in the HCT family can interface common Digital logic ICs, such as TTL and CMOS, with standard 5V/3.3V/2.5V analog signals. They haveand two digital control pins for selecting the channels.CD74HCT4052ME4 application fields include:

1. Measurement and instrumentation
2. Telecommunication equipment
3. Data acquisition
4. Automobile control systems
5. Precision analog signal processing
6. Analog to digital and digital to analog conversion

The working principle of the CD74HCT4052ME4 is based on its physical structure. The device consists of two independent multiplexers/demultiplexers (MUX/DEMUX) packaged in a single 24-pin package, each with four Control pins (A, B, C and D) and two channel pins (Y1 and Y2). The upper channel of each MUX/DEMUX can switch analog electricity and the lower channel can switch data. When no external stimuli are applied, the device operates in the default state. The default state is one in which all the channel pins are connected to the common bus (Command Data Pin). The active channel selection is done using the control pins (A, B, C, D). They are active LOW, meaning that the channel is selected (activated) if the respective control pin is LOW. The data flow for the MUX/DEMUX is determined by the logic state of the control pins. The selected channel pins (Y1 or Y2) are then connected to the Command Data Pin. Depending on the configuration of the Control inputs, the device can be used as a multiplexer or demultiplexer. In the MUX configuration, the device takes multiple inputs and switches them to a single output. In the DEMUX configuration, the device takes a single input and switches it to multiple outputs. In addition, the device also has a power-saving mode. This is enabled by applying a logic high on the Common Control pin (pin 22). The device will then enter a low power state, in which the outputs are all low and the selected channel pins will be disconnected from the Command Data Pin.Overall, the CD74HCT4052ME4 is a device suitable for use in a variety of applications, due to its wide range of capabilities. It is a high-speed CMOS device and offers both MUX and DEMUX capabilities with individually addressable channels.

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