74HC253DB,112

Product Overview

• Category: Integrated Circuit
• Use: Multiplexer/Demultiplexer
• Characteristics: High-speed operation, low power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Dual 4-to-1 multiplexer/demultiplexer
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +125°C
• Propagation Delay Time: 12 ns (typical)
• Quiescent Current: 2 µA (maximum)

Pin Configuration

The 74HC253DB,112 has a total of 16 pins. The pin configuration is as follows:

__ __ A1 |1 \__/ 16| VCC B1 |2 15| A2 C1 |3 14| B2 D1 |4 13| C2 D2 |5 74 12| D2 C2 |6 HC 11| D3 B2 |7 253 10| C3 A2 |8 9| B3 GND |9_________8| A3

Functional Features

• Dual 4-to-1 multiplexer/demultiplexer functionality in a single package
• High-speed operation allows for efficient data transmission
• Low power consumption makes it suitable for battery-powered devices
• Wide supply voltage range enables compatibility with various systems
• Schmitt-trigger inputs provide hysteresis for improved noise immunity
• Balanced propagation delays ensure accurate signal routing

Advantages and Disadvantages

Advantages: - Compact package size saves board space - Versatile functionality for multiplexing and demultiplexing applications - High-speed operation allows for efficient data handling - Low power consumption extends battery life in portable devices

Disadvantages: - Limited number of input/output channels compared to larger multiplexer/demultiplexer ICs - Not suitable for high-voltage applications due to the limited supply voltage range

Working Principles

The 74HC253DB,112 is a dual 4-to-1 multiplexer/demultiplexer integrated circuit. It can be used to select one of four input signals and route it to an output line based on the control inputs. Alternatively, it can also be used as a demultiplexer to distribute a single input signal to one of four output lines.

The device operates by using two select inputs (A1 and A2) to control the selection of the desired input/output channel. The remaining control inputs (B1, B2, C1, C2, D1, D2) determine the logic levels of the selected channel. The output is then driven by the corresponding data input (D3) or inverted data input (C3).

Detailed Application Field Plans

The 74HC253DB,112 can be utilized in various applications, including but not limited to:

1. Data communication systems: Multiplexing multiple data streams onto a single transmission line.
2. Address decoding: Selecting specific memory locations in microcontrollers or digital systems.
3. Signal routing: Distributing signals to different components or subsystems in electronic circuits.
4. Control systems: Switching between different control signals based on specific conditions.
5. Test equipment: Routing test signals to different measurement instruments for analysis.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74HC253DB,112 are:

1. CD74HC253E: Dual 4-to-1 multiplexer/demultiplexer in a DIP (Dual Inline Package) format.
2. SN74HC253N: Dual 4-to-1 multiplexer/demultiplexer in a PDIP (Plastic Dual Inline Package) format.
3. MC74HC253ADR2G: Dual 4-to-1 multiplexer/demultiplexer in an SOIC package with different pin configuration.

These alternative models can be considered based on specific requirements such as package type, pin configuration, or availability.

In conclusion, the 74HC253DB,112 is a versatile integrated circuit that provides dual 4-to-1 multiplexer/demultiplexer functionality. Its high-speed operation, low power consumption, and compact package make it suitable for various applications in digital systems and electronic circuits.