SN74ALVCHR16409LR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-speed, low-voltage, 16-bit bus transceiver with 3-state outputs
• Package: 56-pin LLP (Leadless Leadframe Package)
• Essence: Logic level shifting and voltage translation between different voltage domains
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 400 MHz
• Number of Channels: 16
• Output Drive Capability: ±24 mA
• Low Power Consumption: ICC = 4 μA (Max)

Detailed Pin Configuration

The SN74ALVCHR16409LR has a total of 56 pins. The pin configuration is as follows:

1. A1
2. B1
3. Y1
4. GND
5. A2
6. B2
7. Y2
8. GND
9. A3
10. B3
11. Y3
12. GND
13. A4
14. B4
15. Y4
16. GND
17. A5
18. B5
19. Y5
20. GND
21. A6
22. B6
23. Y6
24. GND
25. A7
26. B7
27. Y7
28. GND
29. A8
30. B8
31. Y8
32. GND
33. A9
34. B9
35. Y9
36. GND
37. A10
38. B10
39. Y10
40. GND
41. A11
42. B11
43. Y11
44. GND
45. A12
46. B12
47. Y12
48. GND
49. A13
50. B13
51. Y13
52. GND
53. A14
54. B14
55. Y14
56. VCC

Functional Features

• Bidirectional voltage translation between 1.2V and 3.6V logic levels
• Supports high-speed data transmission up to 400 MHz
• 3-state outputs allow multiple devices to share a common bus
• Low power consumption for energy-efficient operation
• Robust ESD (Electrostatic Discharge) protection for reliable performance

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - High-speed operation enables efficient data transfer - 3-state outputs facilitate bus sharing among multiple devices - Low power consumption helps conserve energy - ESD protection ensures reliability in harsh environments

Disadvantages: - Limited to 16 channels, may not be suitable for applications requiring more channels - Requires careful consideration of voltage level compatibility with other components in the system

Working Principles

The SN74ALVCHR16409LR is designed to shift logic levels between different voltage domains. It utilizes a combination of MOSFETs and control circuitry to achieve bidirectional voltage translation. The input signals are level-shifted to match the desired output voltage level, allowing seamless communication between devices operating at different logic levels.

Detailed Application Field Plans

The SN74ALVCHR16409LR finds applications in various fields, including:

1. Microcontroller interfacing: Enables communication between microcontrollers operating at different voltage levels.
2. Sensor networks: Facilitates data exchange between sensors and microcontrollers with different logic level requirements.
3. Industrial automation: Allows integration of devices operating at different voltage domains in control systems.
4. Communication systems: Enables voltage translation between different communication protocols and standards.
5. Consumer electronics: Supports voltage level shifting in portable devices, ensuring compatibility between components.

Detailed and Complete Alternative Models

1. SN74LVC1T45: Single-bit voltage level shifter with 3-state output.
2. SN74AVC4T245: Quad-bit bus transceiver with 3-state outputs.
3. SN74LVCH16244A: 16-bit buffer/driver with 3-state outputs.
4. SN74LVC8T245: Octal-bit bus transceiver with 3-state outputs.
5. SN74ALVC164245: 16-bit bus transceiver with 3-state outputs and hot-insertion capability.

(Note: The above list is not exhaustive and serves as a reference for alternative models.)

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