Encyclopedia Entry: 74CBTLV3251PWRG4

Product Overview

Category

The 74CBTLV3251PWRG4 belongs to the category of integrated circuits (ICs) and specifically falls under the classification of multiplexers/demultiplexers.

Use

This IC is primarily used for signal routing and selection in electronic circuits. It enables the connection of multiple input signals to a single output or vice versa, facilitating efficient data transmission and control.

Characteristics

• Low voltage operation: The 74CBTLV3251PWRG4 operates at low voltages, typically between 1.65V and 3.6V, making it suitable for use in battery-powered devices.
• High-speed switching: With a typical propagation delay of only a few nanoseconds, this IC ensures fast and reliable signal routing.
• Low power consumption: The device is designed to minimize power consumption, making it energy-efficient and suitable for portable applications.
• Wide operating temperature range: The IC can operate within a wide temperature range, typically from -40°C to 85°C, ensuring its suitability for various environments.

Package and Quantity

The 74CBTLV3251PWRG4 is available in a small-sized TSSOP-16 package. Each package contains one IC.

Specifications

• Number of Channels: 8
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• On-State Resistance: 5Ω (typical)
• Supply Voltage Range: 1.65V to 3.6V
• Operating Temperature Range: -40°C to 85°C
• Package Type: TSSOP-16

Pin Configuration

The pin configuration of the 74CBTLV3251PWRG4 is as follows:

+-----------------+ S0 --|1 16|-- VCC S1 --|2 15|-- GND S2 --|3 14|-- Y S3 --|4 13|-- Z S4 --|5 12|-- B0 S5 --|6 11|-- B1 S6 --|7 10|-- B2 S7 --|8 9|-- B3 +-----------------+

Functional Features

The 74CBTLV3251PWRG4 offers the following functional features:

• Signal multiplexing: It allows the selection of one out of eight input signals to be routed to the output.
• Signal demultiplexing: It enables the distribution of a single input signal to one of the eight output channels.
• Bi-directional operation: The IC supports bidirectional signal transmission, allowing it to function as both a multiplexer and a demultiplexer.
• Low voltage swing: The device ensures minimal voltage drop during signal routing, maintaining signal integrity.

Advantages and Disadvantages

Advantages

• Low power consumption makes it suitable for battery-powered devices.
• High-speed switching enables efficient data transmission.
• Wide operating temperature range ensures versatility in various environments.
• Small package size saves board space in compact designs.

Disadvantages

• Limited number of channels may not be sufficient for complex applications requiring more inputs/outputs.
• On-state resistance may introduce some signal attenuation.

Working Principles

The 74CBTLV3251PWRG4 operates based on the principles of digital logic. It utilizes internal circuitry to control the routing of signals between its input and output pins. By selectively activating the appropriate control pins (S0-S7), the desired input channel can be connected to the output, or a single input can be distributed to one of the eight output channels.

Application Field Plans

The 74CBTLV3251PWRG4 finds applications in various fields, including:

1. Communication systems: It can be used for signal routing and switching in telecommunication equipment.
2. Data acquisition: The IC facilitates multiplexing/demultiplexing of analog signals in data acquisition systems.
3. Test and measurement: It enables the selection of different test signals for analysis and measurement purposes.
4. Audio/video equipment: The device can be employed in audio/video switchers to route signals between different sources and destinations.

Alternative Models

Several alternative models with similar functionality are available in the market. Some notable alternatives to the 74CBTLV3251PWRG4 include:

• SN74CBT3251: Manufactured by Texas Instruments, this IC offers similar features and pin configuration.
• MC74CBT3251: Produced by ON Semiconductor, it provides comparable performance and compatibility.

These alternative models can be considered based on specific requirements and availability.

In conclusion, the 74CBTLV325