74HC258D,653

Product Overview

• Category: Integrated Circuit
• Use: Multiplexer/Demultiplexer
• Characteristics: High-speed operation, low power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: A multiplexer/demultiplexer IC that allows multiple data inputs to be selected and routed to a single output line.
• 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
• Maximum Propagation Delay: 20 ns
• Maximum Quiescent Current: 4 µA

Pin Configuration

The 74HC258D,653 has a total of 16 pins. The pin configuration is as follows:

1. GND (Ground)
2. I0 (Data Input 0)
3. I1 (Data Input 1)
4. I2 (Data Input 2)
5. I3 (Data Input 3)
6. E (Enable Input)
7. Y (Output)
8. A (Address Input)
9. B (Address Input)
10. C (Address Input)
11. D (Address Input)
12. VCC (Supply Voltage)
13. NC (No Connection)
14. NC (No Connection)
15. NC (No Connection)
16. GND (Ground)

Functional Features

The 74HC258D,653 is a quad 2-input multiplexer with common select inputs (E) and an active-low enable input. It features high-speed operation and low power consumption, making it suitable for various applications.

The device can be used as a multiplexer, where one of the four data inputs can be selected and routed to the output line based on the address inputs (A, B, C, D) and the enable input (E). It can also function as a demultiplexer, where the data from the input line is routed to one of the four output lines based on the address inputs and the enable input.

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick data selection and routing. - Low power consumption helps in reducing overall system power requirements. - Compact SOIC package enables space-efficient designs. - Wide supply voltage range provides flexibility in different applications.

Disadvantages: - Limited number of data inputs and output lines restricts the complexity of multiplexing/demultiplexing operations. - Propagation delay may introduce timing issues in certain high-frequency applications.

Working Principles

The 74HC258D,653 operates based on the principles of digital logic. The enable input (E) controls the selection of data inputs, while the address inputs (A, B, C, D) determine which input is routed to the output line. When the enable input is active (low), the selected data input is passed through to the output line. When the enable input is inactive (high), the output remains in a high-impedance state.

Detailed Application Field Plans

The 74HC258D,653 finds applications in various fields, including:

1. Data Multiplexing: It can be used to select and route data from multiple sources to a single output line, such as in communication systems or data acquisition systems.
2. Address Decoding: The IC can be employed in address decoding circuits to select specific memory locations or peripheral devices based on the address inputs.
3. Signal Routing: It can be utilized to route signals between different modules or subsystems in complex electronic systems, enabling efficient signal management.

Alternative Models

There are several alternative models available that offer similar functionality to the 74HC258D,653. Some of the notable alternatives include:

1. CD4051B: Analog Multiplexer/Demultiplexer IC with 8 channels and a wide supply voltage range.
2. SN74LS151: 8-input Multiplexer IC with TTL logic levels and low power consumption.
3. MC14051B: CMOS Analog Multiplexer/Demultiplexer IC with 8 channels and high-speed operation.

These alternative models can be considered based on specific application requirements and design constraints.

In conclusion, the 74HC258D,653 is a versatile multiplexer/demultiplexer IC that offers high-speed operation, low power consumption, and compact packaging. Its ability to select and route data makes it suitable for various applications in different fields. However, designers should consider its limitations in terms of the number of inputs and outputs, as well as the propagation delay. Alternative models provide additional options for similar functionality.