Encyclopedia Entry: 74ALVCH162831GRE4

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-power, voltage level shifting
• Package: Green RoHS-compliant package
• Essence: Translates logic levels between different voltage domains
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

The 74ALVCH162831GRE4 is a logic level translator integrated circuit designed to facilitate communication between devices operating at different voltage levels. It supports bidirectional voltage translation between two independent power supply rails, making it suitable for various applications.

Key specifications of the 74ALVCH162831GRE4 include:

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range (A Port): 0V to VCCA + 0.5V
• Input Voltage Range (B Port): 0V to VCCB + 0.5V
• Output Voltage Range (A Port): 0V to VCCA + 0.5V
• Output Voltage Range (B Port): 0V to VCCB + 0.5V
• Maximum Data Rate: 400 Mbps

Detailed Pin Configuration

The 74ALVCH162831GRE4 features a 56-pin TSSOP package with the following pin configuration:

1. OEAB
2. A1
3. A2
4. GND
5. B1
6. B2
7. VCCA
8. VCCB
9. B3
10. B4
11. B5
12. B6
13. B7
14. B8
15. B9
16. B10
17. B11
18. B12
19. B13
20. B14
21. B15
22. B16
23. B17
24. B18
25. B19
26. B20
27. B21
28. B22
29. B23
30. B24
31. B25
32. B26
33. B27
34. B28
35. B29
36. B30
37. B31
38. B32
39. GND
40. A3
41. A4
42. A5
43. A6
44. A7
45. A8
46. A9
47. A10
48. A11
49. A12
50. A13
51. A14
52. A15
53. A16
54. A17
55. A18
56. VCCA

Functional Features

The 74ALVCH162831GRE4 offers the following functional features:

1. Bidirectional Voltage Translation: Enables communication between devices operating at different voltage levels.
2. High-Speed Operation: Supports data rates up to 400 Mbps, ensuring efficient signal transmission.
3. Low Power Consumption: Designed for low-power applications, minimizing energy consumption.
4. ESD Protection: Incorporates built-in electrostatic discharge (ESD) protection, enhancing reliability.

Advantages and Disadvantages

Advantages of using the 74ALVCH162831GRE4 include:

• Facilitates seamless communication between devices with different voltage requirements.
• High-speed operation allows for efficient data transfer.
• Low power consumption makes it suitable for battery-powered applications.
• ESD protection enhances device reliability.

Disadvantages of the 74ALVCH162831GRE4 include:

• Limited voltage translation range (1.2V to 3.6V).
• May not be suitable for applications requiring voltage translation beyond the specified range.

Working Principles

The 74ALVCH162831GRE4 utilizes a combination of MOSFETs and level-shifting circuitry to achieve bidirectional voltage translation. When an input signal is received on one side, the IC translates it to the corresponding voltage level on the other side, allowing seamless communication between devices operating at different voltage domains.

Detailed Application Field Plans

The 74ALVCH162831GRE4 finds application in various fields, including:

1. Microcontroller Interfacing: Enables communication between microcontrollers operating at different voltage levels.
2. Sensor Networks: Facilitates data exchange between sensors with varying voltage requirements.
3. Industrial Automation: Allows integration of devices operating at different voltage domains within automation systems.
4. Consumer Electronics: Supports voltage translation in portable devices, ensuring compatibility between components.

Detailed and Complete Alternative Models

Alternative models that offer similar functionality to the 74ALVCH162831GRE4 include:

1. SN74LVC8T245: Bidirectional voltage