SN74LS648DWG4

Product Overview

• Category: Integrated Circuit
• Use: Data Bus Transceiver
• Characteristics:
  • High-speed, low-power TTL compatible device
  • Bidirectional data transfer capability
  • Wide operating voltage range
  • Robust package for enhanced durability
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Efficient and reliable data bus transceiver
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.75V to 5.25V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Propagation Delay: 15ns
• Maximum Operating Frequency: 33MHz

Detailed Pin Configuration

The SN74LS648DWG4 has a total of 20 pins. The pin configuration is as follows:

1. A1 - Data Bus A Input
2. B1 - Data Bus B Input
3. G1 - Output Enable Input
4. Y1 - Data Bus A Output
5. A2 - Data Bus A Input
6. B2 - Data Bus B Input
7. G2 - Output Enable Input
8. Y2 - Data Bus B Output
9. GND - Ground
10. VCC - Power Supply
11. A3 - Data Bus A Input
12. B3 - Data Bus B Input
13. G3 - Output Enable Input
14. Y3 - Data Bus A Output
15. A4 - Data Bus A Input
16. B4 - Data Bus B Input
17. G4 - Output Enable Input
18. Y4 - Data Bus B Output
19. NC - No Connection
20. NC - No Connection

Functional Features

• Bidirectional data transfer between Data Bus A and Data Bus B
• Output Enable control for enabling/disabling the data bus output
• TTL compatibility ensures seamless integration with existing systems
• High-speed operation allows for efficient data transmission
• Wide operating voltage range provides flexibility in various applications

Advantages and Disadvantages

Advantages: - High-speed operation enables fast data transfer - Wide operating voltage range allows for versatile use - Robust package enhances durability and reliability

Disadvantages: - Limited maximum operating frequency compared to some newer models - May not be suitable for applications requiring higher data rates

Working Principles

The SN74LS648DWG4 is a bidirectional data bus transceiver that facilitates the transfer of data between two separate data buses, A and B. The device operates by enabling the flow of data from one bus to the other based on the state of the Output Enable (OE) input. When OE is high, the transceiver is enabled, and data can be transferred bidirectionally. Conversely, when OE is low, the transceiver is disabled, and the data bus outputs are in a high-impedance state.

Detailed Application Field Plans

The SN74LS648DWG4 is commonly used in various applications where bidirectional data transfer is required. Some potential application fields include:

1. Microprocessor Systems: Facilitating communication between the microprocessor and external devices.
2. Data Communication Networks: Enabling data exchange between different network components.
3. Industrial Automation: Transferring data between control units and peripheral devices.
4. Automotive Electronics: Supporting data transmission within automotive systems.
5. Telecommunications: Connecting different equipment and facilitating data transfer.

Detailed and Complete Alternative Models

1. SN74LS245N: Octal Bus Transceiver with 3-State Outputs
2. SN74LS541N: Octal Buffer/Line Driver with 3-State Outputs
3. SN74LS373N: Octal Transparent Latch with 3-State Outputs
4. SN74LS688N: 8-Bit Identity/Magnitude Comparators

These alternative models offer similar functionality and can be considered as alternatives to the SN74LS648DWG4 based on specific application requirements.

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