CD74ACT253M

Product Overview

• Category: Integrated Circuit (IC)
• Use: Multiplexer/Demultiplexer
• Characteristics: High-speed, low-power, dual 4-to-1 multiplexer/demultiplexer
• Package: 16-pin SOIC (Small Outline Integrated Circuit)
• Essence: CD74ACT253M is a versatile IC that can be used as both a multiplexer and a demultiplexer. It offers high-speed operation while consuming low power.
• Packaging/Quantity: The CD74ACT253M is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Input Voltage Levels: TTL compatible
• Output Voltage Levels: TTL compatible
• Propagation Delay: 5 ns (typical)
• Input Capacitance: 3 pF (typical)
• Output Current: ±24 mA (maximum)

Detailed Pin Configuration

The CD74ACT253M has a total of 16 pins, which are assigned specific functions:

1. A0: Input A0 for the first multiplexer
2. A1: Input A1 for the first multiplexer
3. B0: Input B0 for the first multiplexer
4. B1: Input B1 for the first multiplexer
5. S: Select input for the first multiplexer
6. Y: Output of the first multiplexer
7. GND: Ground (0V reference)
8. Y: Output of the second multiplexer
9. S: Select input for the second multiplexer
10. B1: Input B1 for the second multiplexer
11. B0: Input B0 for the second multiplexer
12. A1: Input A1 for the second multiplexer
13. A0: Input A0 for the second multiplexer
14. VCC: Positive power supply voltage
15. NC: No connection (unused pin)
16. GND: Ground (0V reference)

Functional Features

• Dual 4-to-1 multiplexer/demultiplexer functionality in a single IC
• High-speed operation allows for efficient data processing
• Low-power consumption makes it suitable for battery-powered devices
• TTL compatible input and output voltage levels ensure compatibility with other digital circuits
• Wide operating temperature range enables usage in various environments

Advantages and Disadvantages

Advantages:

• Versatile functionality as both a multiplexer and a demultiplexer
• High-speed operation for efficient data handling
• Low-power consumption for energy efficiency
• Compact package size for space-saving designs

Disadvantages:

• Limited number of inputs and outputs compared to larger multiplexers/demultiplexers
• Not suitable for applications requiring a higher number of channels

Working Principles

The CD74ACT253M operates based on the principles of digital logic. It consists of two independent 4-to-1 multiplexers that can be used individually or together as a dual 4-to-1 multiplexer/demultiplexer. The select inputs (S) determine which input (A or B) is connected to the output (Y). When used as a demultiplexer, the select inputs control the routing of the input signals to the respective outputs.

Detailed Application Field Plans

The CD74ACT253M finds applications in various fields, including:

1. Data communication systems
2. Digital signal processing
3. Multiplexing/demultiplexing circuits
4. Industrial automation
5. Consumer electronics
6. Automotive electronics

Detailed and Complete Alternative Models

1. CD74ACT253E: Similar to CD74ACT253M, but in a different package (PDIP)
2. SN74ACT253: Equivalent IC from Texas Instruments
3. MC74ACT253: Equivalent IC from ON Semiconductor

These alternative models offer similar functionality and can be used as replacements for the CD74ACT253M in various applications.

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