Encyclopedia Entry: 74ALVT162821DL,512

Product Information Overview

Category: Integrated Circuit (IC)

Use: The 74ALVT162821DL,512 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 battery-powered devices. It offers a wide operating temperature range and has high-speed operation capabilities.

Package: The 74ALVT162821DL,512 is available in a small-outline package (SO) with 56 pins.

Essence: The essence of this product lies in its ability to provide bidirectional buffering and signal conditioning for data buses in various digital systems.

Packaging/Quantity: The 74ALVT162821DL,512 is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Output Drive Capability: ±24mA
• Propagation Delay Time: 4.5ns (max)
• Input Capacitance: 4pF (typ)
• Output Capacitance: 8pF (typ)

Detailed Pin Configuration

The 74ALVT162821DL,512 has a total of 56 pins. Here is the detailed pin configuration:

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. GND
40. LE#
41. A10
42. Y19
43. GND
44. Y20
45. A11
46. Y21
47. GND
48. Y22
49. A12
50. Y23
51. GND
52. Y24
53. A13
54. Y25
55. GND
56. Y26

Functional Features

• Bidirectional buffering for data buses
• 3-state outputs for bus sharing
• Low-voltage operation for battery-powered devices
• High-speed operation for efficient data transfer
• Wide operating temperature range for versatility

Advantages and Disadvantages

Advantages: - Provides bidirectional buffering for data buses, enhancing signal integrity - Supports bus sharing with 3-state outputs, allowing multiple devices to share the same bus - Operates at a low voltage, making it suitable for battery-powered applications - Offers high-speed operation for efficient data transfer - Wide operating temperature range ensures reliability in various environments

Disadvantages: - Limited to 18-bit universal bus driving, may not be suitable for larger bus configurations - Requires careful consideration of voltage compatibility with other system components

Working Principles

The 74ALVT162821DL,512 acts as a buffer between a microprocessor or digital system and a data bus. It receives input signals from the microprocessor and conditions them to ensure proper signal integrity. The buffered signals are then transmitted to the data bus, allowing for bidirectional communication. The 3-state outputs enable bus sharing among multiple devices connected to the same bus.

Detailed Application Field Plans

The 74ALVT162821DL,512 is commonly used in various digital systems that require reliable data transfer and bus sharing capabilities. Some application fields include:

1. Microcontrollers
2. Embedded Systems
3. Communication Equipment
4. Industrial Automation
5. Automotive Electronics

Detailed and Complete Alternative Models

1. SN74ALVT162821DLR
2. MC74ALVT162821DLG
3. CD74ALVT162821DLR
4. 74ALVT162821DLG

These alternative models offer similar functionality and characteristics to the 74ALVT162821DL,512, providing users with options based on availability and specific requirements