ZHCS352D August   2011  – April 2021 TCA9509

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Description (continued)
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Timing Requirements
    7. 7.7 I2C Interface Timing Requirements
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Two-Channel Bidirectional Buffer
      2. 9.3.2 Integrated A-Side Current Source
      3. 9.3.3 Standard Mode and Fast Mode Support
    4. 9.4 Device Functional Modes
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Clock Stretching Support
        2. 10.2.2.2 VILC and Pulldown Strength Requirements
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 接收文档更新通知
    2. 13.2 支持资源
    3. 13.3 Trademarks
    4. 13.4 静电放电警告
    5. 13.5 术语表

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7.7 I2C Interface Timing Requirements

TA = –40°C to 85°C (unless otherwise noted)
PARAMETER VCCA
(INPUT)		 VCCB
(OUTPUT)		 TEST CONDITIONS MIN TYP(1) MAX UNIT
tPHL Propagation delay port A to port B 1.9 V 5 V EN High 123.1 127.2 132.8 ns
port B to port A 88.1 88.8 89.8
tPLH Propagation delay port A to port B 1.9 V 5 V EN High 122.6 125.7 131.7 ns
port B to port A 123 124.1 126.9
trise Transition time port A 1.9 V 5 V EN High 40.1 40.9 41.9 ns
port B 57.3 57.5 58.4
tfall Transition time port A 1.9 V 5 V EN High 14.5 16.4 17.9 ns
port B 18.7 19.4 20.2
tPLH2 Propagation delay 50% of initial low on Port A to 1.5 V on Port B port A to port B 1.9 V 5 V 176 177.3 178 ns
fMAX Maximum switching frequency 400 KHz
(1) Typical values were measured with VCCA = VCCB = 2.7 V at TA = 25°C, unless otherwise noted.
GUID-9F8FD52E-F259-47C4-9C02-3B6864ADD799-low.gif Figure 7-1 Bus A (0.9-V to 5.5-V Bus) Waveform
GUID-8D708890-DB5A-430F-8E8B-066D5FBDF2A5-low.gif Figure 7-2 Bus B (2.7-V to 5.5-V Bus) Waveform