Encyclopedia Entry: 74ACT153SC

Product Overview

Category

The 74ACT153SC belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronics for data multiplexing applications.

Characteristics

• The 74ACT153SC is a dual 4-input multiplexer with common select inputs.
• It operates on a supply voltage range of 4.5V to 5.5V.
• This IC has high-speed operation and low power consumption.
• It offers TTL-compatible inputs and outputs.
• The 74ACT153SC is designed to be compatible with most standard logic families.

Package

The 74ACT153SC is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of the 74ACT153SC lies in its ability to efficiently multiplex data inputs, allowing for flexible data routing in digital systems.

Packaging/Quantity

The 74ACT153SC is typically sold in reels or tubes, containing multiple units per package.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage High: 2.0V (min), 3.85V (max)
• Input Voltage Low: 0.8V (min), 1.35V (max)
• Output Voltage High: 2.4V (min), VCC (max)
• Output Voltage Low: 0.4V (min), 0.5V (max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74ACT153SC has a total of 16 pins, which are assigned specific functions as follows:

1. A0: Data input A0
2. A1: Data input A1
3. A2: Data input A2
4. A3: Data input A3
5. S0: Select input S0
6. S1: Select input S1
7. GND: Ground
8. Y0: Multiplexed output Y0
9. Y1: Multiplexed output Y1
10. VCC: Supply voltage
11. B0: Data input B0
12. B1: Data input B1
13. B2: Data input B2
14. B3: Data input B3
15. Y2: Multiplexed output Y2
16. Y3: Multiplexed output Y3

Functional Features

The 74ACT153SC offers the following functional features:

• Dual 4-input multiplexer with common select inputs (S0 and S1).
• The select inputs determine which set of data inputs (A or B) is routed to the outputs (Y0 to Y3).
• TTL-compatible inputs and outputs allow for easy integration with other logic devices.
• High-speed operation enables efficient data processing in digital systems.
• Low power consumption makes it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• High-speed operation allows for fast data switching.
• Low power consumption helps conserve energy in electronic systems.
• Compatibility with various logic families enhances versatility.
• Small package size saves board space in compact designs.

Disadvantages

• Limited number of inputs and outputs may restrict certain applications.
• Requires external control signals (S0 and S1) for proper data routing.

Working Principles

The 74ACT153SC operates based on the principles of digital multiplexing. When the select inputs (S0 and S1) are set to a specific combination, the corresponding set of data inputs (A or B) is selected and routed to the respective outputs (Y0 to Y3). The IC's internal circuitry ensures that only one set of inputs is active at a time, allowing for efficient data multiplexing.

Detailed Application Field Plans

The 74ACT153SC finds applications in various digital systems, including but not limited to:

1. Data routing and selection in microcontrollers and microprocessors.
2. Address decoding in memory systems.
3. Input/output (I/O) expansion in embedded systems.
4. Multiplexing control signals in communication devices.
5. Logic functions in arithmetic units and ALUs.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74ACT153SC include:

1. 74HC153: High-speed CMOS logic dual 4-input multiplexer.
2. CD4052: Dual 4-channel analog multiplexer/demultiplexer.
3. SN54/74LS153: Dual 4-line to 1-line data selectors/multiplexers.
4. MC14551B: Dual 2-channel analog multiplexer/demultiplexer.

These alternatives can be considered based on specific requirements and compatibility with existing systems.

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