SN74AVCA164245KR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifting and Voltage Translation
• Characteristics: Bidirectional, 16-bit, 3.3V to 5V Logic Level Translation
• Package: 56-pin VQFN
• Essence: Translates signals between different voltage levels in electronic systems
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Number of Bits: 16
• Input Voltage Range: 1.2V to 3.6V
• Output Voltage Range: 1.65V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Supply Voltage: 1.2V to 3.6V (VCCA), 1.65V to 5.5V (VCCB)

Detailed Pin Configuration

The SN74AVCA164245KR has a total of 56 pins. The pin configuration is as follows:

1. OEAB
2. A1
3. A2
4. GND
5. B1
6. B2
7. VCCA
8. VCCB
9. A3
10. A4
11. A5
12. A6
13. A7
14. A8
15. A9
16. A10
17. GND
18. B3
19. B4
20. B5
21. B6
22. B7
23. B8
24. B9
25. B10
26. GND
27. A11
28. A12
29. A13
30. A14
31. A15
32. A16
33. VREF
34. GND
35. B11
36. B12
37. B13
38. B14
39. B15
40. B16
41. VREFB
42. GND
43. A17
44. A18
45. A19
46. A20
47. A21
48. A22
49. A23
50. A24
51. GND
52. B17
53. B18
54. B19
55. B20
56. B21

Functional Features

• Bidirectional voltage translation between two logic levels (3.3V and 5V)
• Automatic direction control based on the voltage level of the input signals
• Supports high-speed data transmission up to 100 MHz
• Low power consumption
• Schmitt-trigger inputs for noise immunity

Advantages and Disadvantages

Advantages: - Enables seamless integration of components operating at different voltage levels - Simplifies system design by eliminating the need for additional level shifting circuits - High-speed operation allows for efficient data transfer - Low power consumption helps in reducing overall energy consumption

Disadvantages: - Limited to bidirectional voltage translation only - May not be suitable for applications requiring translation between more than two voltage levels - Requires careful consideration of input/output voltage levels to ensure proper functionality

Working Principles

The SN74AVCA164245KR is designed to translate digital signals between two different voltage levels, specifically 3.3V and 5V. It utilizes a combination of level shifters and voltage translators to achieve bidirectional signal conversion. The direction of translation is automatically controlled based on the voltage levels of the input signals.

When an input signal with a voltage level compatible with VCCA is applied, the IC translates it to the corresponding voltage level compatible with VCCB. Similarly, when an input signal with a voltage level compatible with VCCB is applied, the IC translates it to the corresponding voltage level compatible with VCCA.

The SN74AVCA164245KR incorporates Schmitt-trigger inputs to provide noise immunity and ensure reliable operation in noisy environments.

Detailed Application Field Plans

The SN74AVCA164245KR finds applications in various electronic systems where there is a need to interface components operating at different voltage levels. Some potential application fields include:

1. Microcontroller interfacing: The IC can be used to connect microcontrollers operating at 3.3V to peripheral devices operating at 5V, such as sensors, displays, or memory modules.

2. Communication interfaces: It can be employed in communication interfaces, such as UART, SPI, or I2C, to enable communication between devices operating at different voltage levels.

3. Industrial automation: The IC can be utilized in industrial automation systems to interface control units operating at different voltage levels with actuators or sensors.

4. Consumer electronics: It can be integrated into consumer electronic devices to facilitate compatibility between components operating at different voltage levels, ensuring seamless operation.

Detailed and Complete Alternative Models