SN74LS298DRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics: Quad 2-input multiplexer with storage
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: High-performance, low-power consumption digital logic IC
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.75V to 5.25V
• Input Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 9ns (typical)
• Output Current: ±8mA
• Power Dissipation: 500mW (max)

Detailed Pin Configuration

The SN74LS298DRE4 has a total of 16 pins, which are assigned as follows:

1. A0 - Input A0
2. B0 - Input B0
3. S0 - Select Input S0
4. GND - Ground
5. A1 - Input A1
6. B1 - Input B1
7. S1 - Select Input S1
8. Q0 - Output Q0
9. Q1 - Output Q1
10. Q2 - Output Q2
11. Q3 - Output Q3
12. VCC - Positive Power Supply
13. CLR - Clear Input
14. CLK - Clock Input
15. D - Data Input
16. OE - Output Enable

Functional Features

The SN74LS298DRE4 is a quad 2-input multiplexer with storage. It allows the selection of one out of four data inputs based on the select inputs S0 and S1. The selected data is then stored in the internal flip-flops until a clock pulse is received. The stored data can be accessed through the output pins Q0, Q1, Q2, and Q3.

Advantages and Disadvantages

Advantages: - High-performance digital logic IC - Low-power consumption - Compact SOIC package - Wide operating temperature range

Disadvantages: - Limited number of inputs and outputs - Requires external clock signal for operation

Working Principles

The SN74LS298DRE4 operates based on the principles of multiplexing and flip-flops. The select inputs S0 and S1 determine which data input is selected and stored in the internal flip-flops. The stored data remains unchanged until a clock pulse is received, at which point the stored data is available at the output pins.

Detailed Application Field Plans

The SN74LS298DRE4 finds applications in various digital logic systems, including but not limited to: - Data multiplexing and selection - Address decoding - Data storage and retrieval - Control circuitry

Detailed and Complete Alternative Models

Some alternative models that serve similar functions to the SN74LS298DRE4 include: - 74HC153: Dual 4-input multiplexer with storage - CD4052: Dual 4-channel analog multiplexer/demultiplexer - MC14051: 8-channel analog multiplexer/demultiplexer

These alternative models offer different features and specifications, allowing users to choose the most suitable option for their specific requirements.

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