MC74AC253DR2G

Product Overview

Category: Integrated Circuit (IC)

Use: The MC74AC253DR2G is a dual 4-input multiplexer IC. It is designed to select one of four data inputs and route it to the output based on the control signals.

Characteristics: - High-speed operation - Low power consumption - Wide operating voltage range - Schmitt trigger inputs for noise immunity - Compatible with TTL logic levels - Available in surface mount package

Package: SOIC-16 (Small Outline Integrated Circuit)

Essence: The essence of MC74AC253DR2G lies in its ability to efficiently switch between multiple data inputs and select the desired input based on control signals.

Packaging/Quantity: The MC74AC253DR2G is typically packaged in reels or tubes, containing 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 2.0V to 6.0V
• Input Voltage Range: -0.5V to VCC + 0.5V
• Output Voltage Range: -0.5V to VCC + 0.5V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 7 ns (max)
• Input Capacitance: 3 pF (typ)
• Output Capacitance: 6 pF (typ)

Detailed Pin Configuration

The MC74AC253DR2G has a total of 16 pins, which are assigned specific functions as follows:

1. A0: Data Input A0
2. B0: Data Input B0
3. C0: Data Input C0
4. D0: Data Input D0
5. GND: Ground
6. Y: Multiplexer Output
7. S0: Select Input 0
8. S1: Select Input 1
9. VCC: Supply Voltage
10. A1: Data Input A1
11. B1: Data Input B1
12. C1: Data Input C1
13. D1: Data Input D1
14. NC: No Connection
15. GND: Ground
16. Y: Multiplexer Output

Functional Features

The MC74AC253DR2G offers the following functional features:

• Dual 4-input multiplexer with common select inputs (S0 and S1)
• High-speed operation allows for quick data selection
• Schmitt trigger inputs provide noise immunity, ensuring reliable operation even in noisy environments
• Wide operating voltage range makes it compatible with various power supply configurations
• Low power consumption minimizes energy usage

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data selection - Low power consumption reduces energy usage - Wide operating voltage range enhances compatibility - Schmitt trigger inputs ensure noise immunity

Disadvantages: - Limited to dual 4-input multiplexing functionality - May not be suitable for applications requiring more input options

Working Principles

The MC74AC253DR2G operates based on the principle of multiplexing. It selects one of the four data inputs (A0, B0, C0, or D0) and routes it to the output (Y) based on the control signals provided through the select inputs (S0 and S1). The selected input is then available at the output for further processing.

Detailed Application Field Plans

The MC74AC253DR2G finds applications in various fields, including but not limited to: - Data communication systems - Digital signal processing - Industrial automation - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MC74AC253DR2G are: - 74HC253: Dual 4-input multiplexer, compatible with CMOS logic levels - CD4052: Dual 4-channel analog multiplexer/demultiplexer, suitable for analog signal routing - SN54/74LS153: Dual 4-line to 1-line data selectors/multiplexers, compatible with TTL logic levels

These alternative models can be considered based on specific application requirements and compatibility with existing systems.

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