ZHCSI11A August   2009  – April 2018 TXB0106-Q1

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      典型工作电路
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Electrical Characteristics
    6. 6.6  Timing Requirements – VCCA = 1.2 V, TA = 25°C
    7. 6.7  Timing Requirements – VCCA = 1.5 V ± 0.1 V
    8. 6.8  Timing Requirements – VCCA = 1.8 V ± 0.15 V
    9. 6.9  Timing Requirements – VCCA = 2.5 V ± 0.2 V
    10. 6.10 Timing Requirements – VCCA = 3.3 V ± 0.3 V
    11. 6.11 Switching Characteristics –VCCA = 1.2 V, TA = 25°C
    12. 6.12 Switching Characteristics – VCCA = 1.5 V ± 0.1 V
    13. 6.13 Switching Characteristics – VCCA = 1.8 V ± 0.15 V
    14. 6.14 Switching Characteristics – VCCA = 2.5 V ± 0.2 V
    15. 6.15 Switching Characteristics – VCCA = 3.3 V ± 0.3 V
    16. 6.16 Operating Characteristics
    17. 6.17 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Architecture
      2. 8.3.2 Input Driver Requirements
      3. 8.3.3 Power Up
      4. 8.3.4 Output Load Considerations
      5. 8.3.5 Enable and Disable
      6. 8.3.6 Pullup or Pulldown Resistors on I/O Lines
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curve
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12器件和文档支持
    1. 12.1 接收文档更新通知
    2. 12.2 社区资源
    3. 12.3 商标
    4. 12.4 静电放电警告
    5. 12.5 Glossary
  13. 13机械、封装和可订购信息

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

9.2.2 Detailed Design Procedure

To begin the design process, determine the following:

• Input voltage range

- Use the supply voltage of the device that is driving the TXB0106-Q1 device to determine the input voltage range. For a valid logic high the value must exceed the VIH of the input port. For a valid logic low the value must be less than the VIL of the input port.

• Output voltage range

- Use the supply voltage of the device that the TXB0106-Q1 device is driving to determine the output voltage range.

- Avoid the use of external pullup or pulldown resistors, if possible. If not possible, it is recommended the value should be larger than 50 kΩ.

• An external pulldown or pullup resistor decreases the output VOH and VOL. Use the following equations to estimate the VOH and VOL as a result of an external pulldown and pullup resistor. See Effects of External Pullup and Pulldown Resistors on TXS and TXB Devices and Factors Affecting VOL for TXS and LSF Auto-bidirectional Translation Devices.

VOH = VCCx × RPD / (RPD + 4.5 kΩ)

VOL = VCCx × 4.5 kΩ / (RPU + 4.5 kΩ)

Where

• VCCx is the output port supply voltage on either VCCA or VCCB

• RPD is the value of the external pulldown resistor

• RPU is the value of the external pullup resistor

• 4.5 kΩ accounts for the tolerance of the serial 4-kΩ resistor in the I/O line.

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