SN74AS153N

Product Overview

• Category: Integrated Circuit (IC)
• Use: Multiplexer/Demultiplexer
• Characteristics: High-speed, TTL logic, dual 4-input multiplexer/demultiplexer
• Package: DIP (Dual In-line Package)
• Essence: Combines two 4-input multiplexers and two demultiplexers in a single chip
• Packaging/Quantity: Available in tubes or reels, quantity varies based on supplier

Specifications

• Logic Family: Advanced Schottky (AS)
• Supply Voltage: 4.5V to 5.5V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 9ns (typical)
• Output Current: ±8mA
• Pin Count: 16

Detailed Pin Configuration

1. A0: Multiplexer Input A0
2. A1: Multiplexer Input A1
3. A2: Multiplexer Input A2
4. A3: Multiplexer Input A3
5. B0: Multiplexer Input B0
6. B1: Multiplexer Input B1
7. B2: Multiplexer Input B2
8. B3: Multiplexer Input B3
9. GND: Ground
10. Y0: Demultiplexer Output Y0
11. Y1: Demultiplexer Output Y1
12. Y2: Demultiplexer Output Y2
13. Y3: Demultiplexer Output Y3
14. S0: Multiplexer Select Input S0
15. S1: Multiplexer Select Input S1
16. VCC: Positive Power Supply

Functional Features

• Dual 4-input multiplexer and demultiplexer in a single chip
• High-speed operation suitable for time-critical applications
• TTL logic compatibility ensures easy integration with existing systems
• Low power consumption for efficient operation
• Wide operating temperature range allows usage in various environments

Advantages and Disadvantages

Advantages

• Integration of two functions (multiplexer and demultiplexer) in one chip saves board space and reduces component count
• High-speed operation enables efficient data processing
• Compatibility with TTL logic simplifies system design and integration
• Low power consumption contributes to energy efficiency

Disadvantages

• Limited number of inputs and outputs may restrict certain applications requiring more complex multiplexing/demultiplexing functionality
• Availability and pricing may vary based on supplier and market demand

Working Principles

The SN74AS153N is a dual 4-input multiplexer/demultiplexer IC. It combines two 4-input multiplexers and two demultiplexers in a single chip. The multiplexer selects one of the four input signals based on the select inputs (S0 and S1), and routes it to the output. Conversely, the demultiplexer takes a single input signal and routes it to one of the four outputs based on the select inputs.

The IC operates on TTL logic levels and requires a supply voltage between 4.5V and 5.5V. It offers high-speed operation with a propagation delay time of 9ns (typical). The outputs can drive ±8mA current, ensuring compatibility with various loads.

Detailed Application Field Plans

The SN74AS153N finds applications in various fields where multiplexing and demultiplexing of signals are required. Some potential application areas include:

1. Data communication systems: Used for channel selection and routing in multiplexed data transmission.
2. Digital audio/video equipment: Enables switching between multiple audio/video sources.
3. Industrial automation: Facilitates signal routing and selection in control systems.
4. Test and measurement equipment: Allows for efficient signal routing during testing and analysis.
5. Computer networking: Used for data packet switching and routing.

Detailed and Complete Alternative Models

1. SN74AS153D: Similar to SN74AS153N, but available in SOIC (Small Outline Integrated Circuit) package.
2. CD74HC153E: Dual 4-input multiplexer/demultiplexer IC with CMOS logic family and wider supply voltage range.
3. MC14551B: Analog multiplexer/demultiplexer IC with additional features like latch enable and inhibit inputs.

These alternative models offer similar functionality to the SN74AS153N and can be considered based on specific requirements and availability.

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