SN74LVC646ANSRE4

Product Overview

• Category: Integrated Circuit
• Use: Level Shifter and Bus Transceiver
• Characteristics: High-speed, low-voltage, CMOS technology
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Transfers data between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 100MHz
• Number of Channels: 8
• Input/Output Type: Tri-State
• Propagation Delay: 2.5ns (Max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVC646ANSRE4 has a total of 24 pins. The pin configuration is as follows:

1. OE (Output Enable) 1
2. A1 (Data Input/Output) 1
3. B1 (Data Input/Output) 1
4. A2 (Data Input/Output) 2
5. B2 (Data Input/Output) 2
6. A3 (Data Input/Output) 3
7. B3 (Data Input/Output) 3
8. A4 (Data Input/Output) 4
9. B4 (Data Input/Output) 4
10. GND (Ground)
11. OE (Output Enable) 2
12. DIR (Direction Control)
13. VCC (Supply Voltage)
14. B4 (Data Input/Output) 4
15. A4 (Data Input/Output) 4
16. B3 (Data Input/Output) 3
17. A3 (Data Input/Output) 3
18. B2 (Data Input/Output) 2
19. A2 (Data Input/Output) 2
20. B1 (Data Input/Output) 1
21. A1 (Data Input/Output) 1
22. OE (Output Enable) 1
23. GND (Ground)
24. VCC (Supply Voltage)

Functional Features

• Level shifting between different voltage domains
• Bidirectional data transfer capability
• Tri-State outputs for bus sharing
• High-speed operation
• Low power consumption
• ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages: - Supports a wide range of supply voltages - Allows interfacing between systems with different voltage levels - Provides bidirectional communication between devices - Offers protection against electrostatic discharge (ESD) - Compact package size for space-constrained applications

Disadvantages: - Limited maximum operating frequency compared to some other ICs - Requires careful consideration of voltage compatibility to avoid damage

Working Principles

The SN74LVC646ANSRE4 is designed to facilitate the transfer of data between different voltage domains. It acts as a level shifter and bus transceiver, allowing communication between devices operating at different voltage levels. The direction of data flow can be controlled using the DIR pin. When enabled, the IC allows bidirectional data transfer, while disabling it puts the outputs in a high-impedance state.

Detailed Application Field Plans

The SN74LVC646ANSRE4 finds applications in various fields where level shifting and bus transceiver functionality are required. Some specific application areas include:

1. Microcontroller Interfacing: The IC enables communication between microcontrollers operating at different voltage levels, facilitating seamless integration of multiple systems.

2. Industrial Automation: It can be used in industrial automation systems to interface between different control modules, ensuring compatibility and reliable data transfer.

3. Communication Systems: The IC enables level shifting and bus transceiver functionality in communication systems, allowing seamless integration of devices with varying voltage requirements.

4. Automotive Electronics: It finds applications in automotive electronics, where it facilitates communication between different subsystems operating at different voltage levels.

Detailed and Complete Alternative Models

1. SN74LVC245A: Octal Bus Transceiver with 3-State Outputs
2. SN74LVC4245A: Octal Bus Transceiver and Level Shifter with 3-State Outputs
3. SN74LVC8T245: 8-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation

These alternative models offer similar functionality to the SN74LVC646ANSRE4 and can be considered as alternatives based on specific application requirements.

Word count: 529 words