SN74AVCAH164245KR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data transmission and signal conversion
• Characteristics: High-speed, low-power, bidirectional voltage-level translation
• Package: 56-pin VQFN package
• Essence: Voltage-level translator with 16-bit bus interface
• Packaging/Quantity: Tape and reel packaging, quantity varies

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range: 0V to VCCA
• Output Voltage Range: 0V to VCCB
• Maximum Data Rate: 100 Mbps
• Number of Channels: 16
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74AVCAH164245KR has a total of 56 pins. The pin configuration is as follows:

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

Functional Features

• Bidirectional voltage-level translation between two different voltage domains
• Supports 1.2V, 1.8V, 2.5V, and 3.3V logic levels
• Provides automatic direction control based on the DIR pin
• Low power consumption with partial power-down mode
• High-speed data transmission up to 100 Mbps

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - Bidirectional translation simplifies interfacing between different voltage domains - High-speed operation enables efficient data transfer - Low power consumption helps conserve energy - Automatic direction control reduces complexity in system design

Disadvantages: - Limited number of channels (16) may not be sufficient for certain applications requiring more connections - Operating temperature range (-40°C to +85°C) may not be suitable for extreme environments

Working Principles

The SN74AVCAH164245KR is a bidirectional voltage-level translator that allows seamless communication between two different voltage domains. It uses a combination of level-shifting circuits and direction control to ensure proper signal conversion.

When the DIR pin is set to a specific logic level, the translator determines the direction of data flow. If DIR is high, the translation occurs from A-side to B-side, and if DIR is low, the translation occurs from B-side to A-side.

The voltage translation is achieved through a series of level-shifting circuits that convert the input signals from one voltage domain to the corresponding output signals in the other voltage domain. This enables compatibility between different logic levels and facilitates data transmission.

Detailed Application Field Plans

The SN74AVCAH164245KR is widely used in various applications that require voltage-level translation, such as:

1. Microcontrollers interfacing with different peripheral devices operating at different voltage levels
2. Communication systems involving multiple voltage domains, such as UART, SPI, or I2C interfaces
3. Industrial automation systems where sensors and actuators operate at different logic levels
4. Automotive electronics for signal conversion between different components
5. Consumer electronics for level translation between different subsystems

Detailed and Complete Alternative Models

1. SN74AVCAH164245
2. SN74LVC4245A
3. TXB0108PWR
4. PCA9306DCUR
5. 74LVC245APW

These alternative models offer similar functionality and can be considered as alternatives to the SN74AVCAH164245KR based on specific requirements and system constraints.

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