Encyclopedia Entry: 74ALVT162821DGG:11

Product Information Overview

Category: Integrated Circuit (IC)

Use: The 74ALVT162821DGG:11 is a high-performance, low-voltage, 18-bit universal bus driver with 3-state outputs. It is designed to provide a buffer between a microprocessor or other digital system and a data bus.

Characteristics: This IC operates at a low voltage of 2.7V to 3.6V, making it suitable for use in portable devices and battery-powered applications. It features 18 independent non-inverting buffers with 3-state outputs, allowing bidirectional communication on the bus. The device also has built-in series resistors on all inputs and outputs to reduce noise and improve signal integrity.

Package: The 74ALVT162821DGG:11 is available in a 56-pin TSSOP (Thin Shrink Small Outline Package) package. This package offers a compact size and easy integration into circuit boards.

Essence: The essence of this product lies in its ability to provide reliable and efficient buffering of data signals in digital systems, ensuring smooth communication between the microprocessor and the data bus.

Packaging/Quantity: The 74ALVT162821DGG:11 is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 2.7V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Propagation Delay: 4.5ns
• Maximum Output Current: ±24mA

Detailed Pin Configuration

The 74ALVT162821DGG:11 has a total of 56 pins. The pin configuration is as follows:

1. A1
2. Y1
3. GND
4. Y2
5. A2
6. Y3
7. GND
8. Y4
9. A3
10. Y5
11. GND
12. Y6
13. A4
14. Y7
15. GND
16. Y8
17. A5
18. Y9
19. GND
20. Y10
21. A6
22. Y11
23. GND
24. Y12
25. A7
26. Y13
27. GND
28. Y14
29. A8
30. Y15
31. GND
32. Y16
33. A9
34. Y17
35. GND
36. Y18
37. VCC
38. OE#
39. B1
40. B2
41. B3
42. B4
43. B5
44. B6
45. B7
46. B8
47. B9
48. B10
49. B11
50. B12
51. B13
52. B14
53. B15
54. B16
55. B17
56. B18

Functional Features

• Bidirectional communication: The 74ALVT162821DGG:11 allows data to be transmitted and received on the bus, enabling two-way communication between the microprocessor and the data bus.
• High-speed operation: With a maximum propagation delay of 4.5ns, this IC ensures fast and efficient data transfer.
• Low-voltage operation: The device operates at a low voltage range of 2.7V to 3.6V, making it suitable for low-power applications.
• Noise reduction: Built-in series resistors on all inputs and outputs help reduce noise and improve signal integrity.

Advantages and Disadvantages

Advantages: - High-performance buffering of data signals - Bidirectional communication capability - Low-voltage operation for energy-efficient applications - Noise reduction for improved signal integrity

Disadvantages: - Limited to 18-bit bus width - Requires external power supply within specified voltage range

Working Principles

The 74ALVT162821DGG:11 acts as a buffer between a microprocessor or digital system and a data bus. It receives data signals from the microprocessor and transmits them to the data bus, or vice versa. The bidirectional communication feature allows data to flow in both directions. The IC operates at a low voltage range and incorporates series resistors to minimize noise and ensure reliable signal transmission.

Detailed Application Field Plans

The 74ALVT162821DGG:11 is commonly used in various applications, including: 1. Microprocessor-based systems 2. Data communication equipment