SN74LV245ANSRG4

Product Overview

Category: Integrated Circuit (IC)

Use: The SN74LV245ANSRG4 is a high-speed octal bus transceiver designed for asynchronous communication between two buses. It allows bidirectional data transfer between the A and B buses, making it ideal for applications requiring data exchange between different systems.

Characteristics: - High-speed operation - Low power consumption - Wide voltage range (2 V to 5.5 V) - Schmitt-trigger inputs for noise immunity - 3-state outputs for bus isolation

Package: The SN74LV245ANSRG4 is available in a small-outline integrated circuit (SOIC) package. This package provides excellent thermal performance and ease of handling during assembly.

Essence: The essence of the SN74LV245ANSRG4 lies in its ability to facilitate seamless data transfer between two buses, enabling efficient communication between different systems.

Packaging/Quantity: The SN74LV245ANSRG4 is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• Input Voltage Range: 0 V to VCC
• Output Voltage Range: 0 V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Propagation Delay: 8 ns
• Maximum Operating Frequency: 125 MHz

Detailed Pin Configuration

The SN74LV245ANSRG4 has a total of 20 pins, which are assigned specific functions as follows:

1. DIR (Direction Control Input)
2. OE (Output Enable Input)
3. A1 (Data Bus A, Bit 1)
4. A2 (Data Bus A, Bit 2)
5. A3 (Data Bus A, Bit 3)
6. A4 (Data Bus A, Bit 4)
7. A5 (Data Bus A, Bit 5)
8. A6 (Data Bus A, Bit 6)
9. A7 (Data Bus A, Bit 7)
10. A8 (Data Bus A, Bit 8)
11. GND (Ground)
12. B8 (Data Bus B, Bit 8)
13. B7 (Data Bus B, Bit 7)
14. B6 (Data Bus B, Bit 6)
15. B5 (Data Bus B, Bit 5)
16. B4 (Data Bus B, Bit 4)
17. B3 (Data Bus B, Bit 3)
18. B2 (Data Bus B, Bit 2)
19. B1 (Data Bus B, Bit 1)
20. VCC (Supply Voltage)

Functional Features

• Bidirectional data transfer between two buses
• Direction control input for selecting data flow direction
• Output enable input for enabling/disabling the outputs
• Schmitt-trigger inputs for improved noise immunity
• 3-state outputs for bus isolation

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Low power consumption for energy-efficient applications - Wide voltage range enables compatibility with various systems - Schmitt-trigger inputs provide excellent noise immunity - 3-state outputs allow for bus isolation when needed

Disadvantages: - Limited to octal bus transceiver functionality - Not suitable for applications requiring more than eight data lines

Working Principles

The SN74LV245ANSRG4 operates based on the principles of digital logic. It uses internal circuitry to control the direction of data flow between the A and B buses. The DIR pin determines the direction, while the OE pin enables or disables the outputs. When enabled, the transceiver allows bidirectional data transfer between the buses. The Schmitt-trigger inputs ensure reliable signal reception, even in the presence of noise.

Detailed Application Field Plans

The SN74LV245ANSRG4 finds applications in various fields where data exchange between different systems is required. Some common application areas include:

1. Industrial Automation: Used for communication between control systems and peripheral devices.
2. Automotive Electronics: Facilitates data transfer between different automotive modules.
3. Telecommunications: Enables data exchange between network equipment and communication devices.
4. Consumer Electronics: Used in devices requiring data transfer between different subsystems.
5. Medical Equipment: Allows communication between medical devices and control units.

Detailed and Complete Alternative Models

1. SN74LVC245A: Similar functionality with improved voltage tolerance.
2. SN74HCT245: Higher voltage handling capability but slower operation.
3. SN74LVCH245A: Lower power consumption with comparable performance.

These alternative models offer similar functionality to the SN74LV245ANSRG4 but may have specific advantages or differences in operating characteristics that make them suitable for different applications.

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