MC74LCX16245DTG

Product Overview

Category

MC74LCX16245DTG belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a bidirectional voltage level translator and buffer.

Characteristics

• Low-voltage operation
• High-speed performance
• Bidirectional voltage translation
• 16-bit wide bus interface
• 3-state outputs
• Schmitt trigger inputs

Package

MC74LCX16245DTG is available in a TSSOP-48 package.

Essence

The essence of MC74LCX16245DTG lies in its ability to provide efficient voltage level translation and buffering for digital signals.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of MC74LCX16245DTG ICs.

Specifications

• Supply Voltage: 2.0V - 3.6V
• Input Voltage Range: GND to VCC
• Output Voltage Range: GND to VCC
• Operating Temperature Range: -40°C to +85°C
• Input Capacitance: 4pF (typical)
• Output Capacitance: 6pF (typical)
• Propagation Delay: 3.5ns (max)

Detailed Pin Configuration

MC74LCX16245DTG has a total of 48 pins, which are assigned specific functions. The pin configuration is as follows:

1. OE#
2. I/O1A
3. I/O2A
4. GND
5. I/O3A
6. I/O4A
7. VCC
8. I/O5A
9. I/O6A
10. I/O7A
11. I/O8A
12. I/O9A
13. I/O10A
14. I/O11A
15. I/O12A
16. I/O13A
17. I/O14A
18. I/O15A
19. I/O16A
20. GND
21. I/O1B
22. I/O2B
23. VCC
24. I/O3B
25. I/O4B
26. GND
27. I/O5B
28. I/O6B
29. I/O7B
30. I/O8B
31. I/O9B
32. I/O10B
33. I/O11B
34. I/O12B
35. I/O13B
36. I/O14B
37. I/O15B
38. I/O16B
39. GND
40. I/O1Y
41. I/O2Y
42. VCC
43. I/O3Y
44. I/O4Y
45. GND
46. I/O5Y
47. I/O6Y
48. OE#

Functional Features

MC74LCX16245DTG offers the following functional features:

• Bidirectional voltage level translation between two different voltage domains.
• 16-bit wide bus interface for efficient data transfer.
• 3-state outputs allow multiple devices to share a common bus.
• Schmitt trigger inputs provide hysteresis and improve noise immunity.

Advantages and Disadvantages

Advantages

• Low-voltage operation makes it suitable for modern low-power applications.
• High-speed performance enables fast data transmission.
• Bidirectional voltage translation simplifies interfacing between different logic families.
• 3-state outputs facilitate bus sharing among multiple devices.
• Schmitt trigger inputs enhance noise immunity.

Disadvantages

• Limited voltage range (2.0V - 3.6V) may not be suitable for all applications.
• Propagation delay of 3.5ns (max) may introduce timing constraints in certain high-speed systems.

Working Principles

MC74LCX16245DTG works by receiving digital signals from one voltage domain and translating them to another voltage domain bidirectionally. It utilizes a combination of level-shifting circuitry and buffering to ensure proper signal transfer between the two domains. The Schmitt trigger inputs help in maintaining signal integrity by providing hysteresis and reducing the impact of noise.

Detailed Application Field Plans

MC74LCX16245DTG finds applications in various fields, including:

1. Microcontroller interfacing with different logic families.
2. Communication systems involving voltage translation between different modules.
3. Data acquisition systems requiring efficient bus sharing among multiple devices.
4. Industrial automation where voltage level translation is necessary.
5. Consumer electronics for interfacing between different components.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MC74LCX16245DTG are:

1. SN74LVC