Encyclopedia Entry: 74F823SCX

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gate
• Characteristics: High-speed, low-power consumption
• Package: Surface Mount Technology (SMT)
• Essence: Digital logic gate with eight inputs and three-state outputs
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• 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: 3.5ns (typical)
• Output Drive Capability: ±24mA
• Pin Count: 20

Detailed Pin Configuration

1. A1: Input A1
2. A2: Input A2
3. A3: Input A3
4. A4: Input A4
5. A5: Input A5
6. A6: Input A6
7. A7: Input A7
8. A8: Input A8
9. GND: Ground
10. Y1: Output Y1
11. Y2: Output Y2
12. Y3: Output Y3
13. OE: Output Enable
14. NC: No Connection
15. NC: No Connection
16. NC: No Connection
17. NC: No Connection
18. Vcc: Power Supply
19. B1: Input B1
20. B2: Input B2

Functional Features

• Eight-input AND/OR gate with three-state outputs
• Outputs can be disabled using the Output Enable (OE) pin
• High-speed operation allows for efficient data processing
• Low power consumption makes it suitable for battery-powered devices
• Three-state outputs enable bus sharing and reduce signal interference

Advantages

• Versatile logic gate with multiple inputs and three-state outputs
• High-speed operation allows for quick data processing
• Low power consumption extends battery life in portable devices
• Surface mount package enables compact and efficient circuit design
• Three-state outputs facilitate bus sharing and reduce signal interference

Disadvantages

• Limited to eight inputs, may not be suitable for complex logic operations
• Requires careful consideration of input/output voltage levels to ensure proper functionality
• Sensitive to electrostatic discharge (ESD), necessitating proper handling during assembly and usage

Working Principles

The 74F823SCX is an integrated circuit that functions as an eight-input AND/OR gate. It operates by receiving input signals from the A1 to A8 pins and B1 to B2 pins. The logic gate performs the AND operation on the A inputs and the OR operation on the B inputs. The output signals Y1, Y2, and Y3 are determined based on the logical combination of the inputs. The Output Enable (OE) pin allows the outputs to be disabled when necessary.

Detailed Application Field Plans

The 74F823SCX is commonly used in various digital systems where multiple inputs need to be logically combined. Some application fields include: - Arithmetic and logic units (ALUs) - Data multiplexers - Address decoders - Memory modules - Control circuits

Alternative Models

• 74F08: Quad 2-input AND gate
• 74F32: Quad 2-input OR gate
• 74F138: 3-to-8 line decoder/demultiplexer
• 74F244: Octal buffer/line driver

Note: The alternative models listed above are similar logic gates that can perform comparable functions to the 74F823SCX.

In conclusion, the 74F823SCX is a versatile logic gate integrated circuit with eight inputs and three-state outputs. Its high-speed operation, low power consumption, and compact package make it suitable for various digital applications. However, it has limitations in terms of input count and sensitivity to ESD. Proper handling and consideration of alternative models can help overcome these drawbacks.