SN74LVT162244ADLR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics:
  • High-speed, low-voltage CMOS technology
  • Bidirectional voltage translation between different logic levels
  • Wide operating voltage range
  • Low power consumption
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic level translation for interfacing between devices with different voltage levels
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range (VREF): 0V to VCC
• Output Voltage Range (A Port): 0V to VCCA
• Output Voltage Range (B Port): 0V to VCCB
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 4.5ns (max)
• Output Drive Capability: ±24mA
• ESD Protection: >2000V (Human Body Model)

Detailed Pin Configuration

The SN74LVT162244ADLR has a total of 48 pins, arranged in a TSSOP package. The pin configuration is as follows:

1. OE (Output Enable) 1B
2. A1
3. B1
4. A2
5. B2
6. A3
7. B3
8. GND (Ground)
9. B4
10. A4
11. B5
12. A5
13. B6
14. A6
15. B7
16. A7
17. VCCA (Voltage Supply for A Ports)
18. A8
19. B8
20. A9
21. B9
22. A10
23. B10
24. A11
25. B11
26. VCCB (Voltage Supply for B Ports)
27. B12
28. A12
29. B13
30. A13
31. B14
32. A14
33. B15
34. A15
35. GND (Ground)
36. A16
37. B16
38. A17
39. B17
40. A18
41. B18
42. A19
43. B19
44. VREF (Reference Voltage)
45. 1A
46. 2A
47. 3A
48. OE (Output Enable) 2B

Functional Features

• Bidirectional voltage translation: Allows interfacing between devices operating at different voltage levels.
• High-speed operation: The SN74LVT162244ADLR can handle high-frequency signals with minimal delay.
• Low power consumption: Designed to minimize power consumption, making it suitable for battery-powered applications.
• ESD protection: Provides robust protection against electrostatic discharge, ensuring device reliability.

Advantages and Disadvantages

Advantages: - Wide operating voltage range allows compatibility with various logic families. - High-speed operation enables efficient data transfer between different voltage domains. - Low power consumption makes it suitable for portable and low-power applications. - ESD protection ensures device reliability in harsh environments.

Disadvantages: - Limited number of channels (16 bidirectional channels). - Not suitable for level shifting between very high voltage differences.

Working Principles

The SN74LVT162244ADLR is a bidirectional voltage translator that uses CMOS technology. It operates by monitoring the input voltage levels and translating them to the corresponding output voltage levels based on the supply voltages provided. The device utilizes a combination of MOSFETs and control logic to achieve bidirectional voltage translation.

Detailed Application Field Plans

The SN74LVT162244ADLR is commonly used in various applications that require interfacing between devices operating at different voltage levels. Some of the typical application fields include:

1. Microcontroller interfacing: The IC can be used to interface microcontrollers operating at different voltage levels, enabling communication between them.
2. Sensor networks: It facilitates level shifting between sensors and microcontrollers, allowing seamless integration of sensors with different voltage requirements.
3. Communication systems: The device enables voltage translation between different communication interfaces, such as UART, SPI, or I2C, ensuring compatibility between devices.
4. Industrial automation: It finds applications in industrial control systems where different components operate at different voltage levels, requiring level translation for proper communication.

Detailed and Complete Alternative Models

1. TXS0108E: 8-bit bidirectional voltage-level translator with automatic direction sensing.
2. PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator.
3. SN74AVC4T245: 4-bit dual-supply bus trans