74LVC4245AD-Q100J

Product Overview

Category

The 74LVC4245AD-Q100J belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used as a bidirectional voltage level translator and bus buffer.

Characteristics

• Bidirectional voltage translation between different logic levels
• Wide operating voltage range: 1.2V to 3.6V
• High-speed operation: up to 400 MHz
• Low power consumption
• Schmitt-trigger action on all inputs
• ESD protection: HBM JESD22-A114F exceeds 2000 V, MM JESD22-A115-A exceeds 200 V

Package

The 74LVC4245AD-Q100J is available in a 48-pin TSSOP package.

Essence

The essence of this IC lies in its ability to provide bidirectional voltage level translation, making it suitable for interfacing between devices operating at different logic levels.

Packaging/Quantity

The 74LVC4245AD-Q100J is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply voltage range: 1.2V to 3.6V
• Input/output voltage range: GND to VCC
• Operating temperature range: -40°C to +125°C
• Input capacitance: 4 pF
• Output capacitance: 6 pF
• Propagation delay: 3.8 ns (max) at 3.3V supply, 20 pF load

Detailed Pin Configuration

The 74LVC4245AD-Q100J has a total of 48 pins, which are assigned specific functions. The pin configuration is as follows:

1. OE (Output Enable) A
2. I/O A1
3. GND
4. I/O A2
5. VCC
6. I/O A3
7. I/O A4
8. I/O A5
9. I/O A6
10. I/O A7
11. I/O A8
12. I/O A9
13. I/O A10
14. I/O A11
15. I/O A12
16. VCC
17. I/O B12
18. I/O B11
19. I/O B10
20. I/O B9
21. I/O B8
22. I/O B7
23. I/O B6
24. I/O B5
25. I/O B4
26. I/O B3
27. I/O B2
28. I/O B1
29. GND
30. OE (Output Enable) B
31. DIR (Direction Control)
32. GND
33. I/O B13
34. I/O B14
35. I/O B15
36. I/O B16
37. I/O B17
38. I/O B18
39. I/O B19
40. I/O B20
41. I/O B21
42. I/O B22
43. I/O B23
44. I/O B24
45. VCC
46. I/O A24
47. I/O A23
48. I/O A22

Functional Features

The 74LVC4245AD-Q100J offers the following functional features:

• Bidirectional voltage level translation: It allows for seamless communication between devices operating at different logic levels.
• Output enable control: The OE pins allow the user to enable or disable the outputs, providing flexibility in controlling the direction of data flow.
• Direction control: The DIR pin determines the direction of data transmission, enabling easy switching between input and output modes.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various logic levels.
• High-speed operation enables efficient data transfer.
• Low power consumption helps conserve energy.
• Schmitt-trigger action on all inputs ensures noise immunity.
• ESD protection safeguards against electrostatic discharge.

Disadvantages

• Limited number of I/O pins may restrict its use in applications requiring a higher number of connections.
• Propagation delay may affect real-time applications that demand faster response times.

Working Principles

The 74LVC4245AD-Q100J operates by receiving input signals from one side and translating them to the appropriate logic level on the other side. The bidirectional nature of this IC allows for seamless communication between devices operating at different voltage levels. The direction of data flow is controlled by the DIR pin, while the OE pins enable or disable the outputs as needed.

Detailed Application Field Plans

The 74LVC4245AD-Q100J finds applications in various fields, including