Encyclopedia Entry: 74ALVCH32245LBR

Product Overview

Category

The 74ALVCH32245LBR belongs to the category of integrated circuits (ICs), specifically, it is a bus transceiver.

Use

This IC is commonly used for bidirectional data communication between two buses with different voltage levels. It acts as a buffer, allowing data transmission between systems operating at different voltages.

Characteristics

• Bidirectional data transfer
• Supports voltage translation between 3.3V and 5V systems
• High-speed operation
• Low power consumption
• Robust ESD protection
• Available in various package options

Package and Quantity

The 74ALVCH32245LBR is typically available in a small-outline integrated circuit (SOIC) package. The quantity per package may vary depending on the manufacturer.

Essence

The essence of the 74ALVCH32245LBR lies in its ability to facilitate seamless data transfer between buses operating at different voltage levels, ensuring compatibility and reliable communication.

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Input Voltage Range: -0.5V to VCC + 0.5V
• Output Voltage Range: 0V to VCC
• Maximum Data Rate: X Mbps (specific value depends on the variant)
• Operating Temperature Range: -40°C to +85°C
• Number of Channels: 32

Detailed Pin Configuration

The 74ALVCH32245LBR has a total of 48 pins, which are assigned specific functions. Here is a detailed pin configuration:

1. OE (Output Enable) A1
2. A1
3. B1
4. A2
5. B2
6. A3
7. B3
8. A4
9. B4
10. A5
11. B5
12. A6
13. B6
14. A7
15. B7
16. VCCB (Voltage Supply for Port B)
17. B8
18. A8
19. B9
20. A9
21. B10
22. A10
23. B11
24. A11
25. B12
26. A12
27. B13
28. A13
29. B14
30. A14
31. B15
32. A15
33. GND (Ground)
34. OE (Output Enable) B1
35. B16
36. A16
37. B17
38. A17
39. B18
40. A18
41. B19
42. A19
43. B20
44. A20
45. B21
46. A21
47. B22
48. A22

Functional Features

• Bidirectional data transfer: The 74ALVCH32245LBR allows data to be transmitted in both directions, enabling communication between two buses.
• Voltage translation: It supports voltage translation between 3.3V and 5V systems, ensuring compatibility between different voltage levels.
• High-speed operation: This IC operates at high speeds, facilitating efficient data transmission.
• Low power consumption: It is designed to consume minimal power, making it suitable for battery-powered devices.
• ESD protection: The IC incorporates robust electrostatic discharge (ESD) protection, safeguarding against potential damage from static electricity.

Advantages and Disadvantages

Advantages

• Enables seamless communication between buses with different voltage levels
• High-speed operation enhances data transfer efficiency
• Low power consumption prolongs battery life in portable devices
• Robust ESD protection ensures reliability

Disadvantages

• Limited to voltage translation between 3.3V and 5V systems
• May not be suitable for applications requiring voltage translation beyond the supported range

Working Principles

The 74ALVCH32245LBR operates by receiving data from one bus and transmitting it to another, or vice versa. It incorporates level-shifting circuitry that allows bidirectional data transfer between buses operating at different voltage levels. The IC's internal logic ensures proper voltage translation and signal integrity during data transmission.

Detailed Application Field Plans

The 74ALVCH32245LBR finds applications in various fields where bidirectional data communication between buses with different voltage levels is required. Some potential application areas include:

1. Embedded Systems: Facilitating communication between microcontrollers operating at different voltage levels.
2. Industrial Automation: Enabling data exchange between control systems with varying voltage requirements.
3. Consumer Electronics: Supporting compatibility between devices using different voltage standards, such as smartphones and peripherals.
4. Automotive Electronics: Facilitating communication between different subsystems within a vehicle, each operating at