ZHCSO78B July   2007  – June 2021 TRS3232

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and 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—Device
    6. 6.6 Electrical Characteristics—Driver
    7. 6.7 Electrical Characteristics—Receiver
    8. 6.8 Switching Characteristics
    9. 6.9 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 Power
      2. 8.3.2 RS232 Driver
      3. 8.3.3 RS232 Receiver
    4. 8.4 Device Functional Modes
      1. 8.4.1 VCC Powered by 3 V to 5.5 V
      2. 8.4.2 VCC Unpowered, VCC = 0 V
  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. 12Device and Documentation Support
    1. 12.1 接收文档更新通知
    2. 12.2 支持资源
    3. 12.3 Trademarks
    4. 12.4 静电放电警告
    5. 12.5 术语表
  13. 13Mechanical, Packaging, and Orderable Information

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6.8 Switching Characteristics

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)(1) (see Figure 9-1)
PARAMETER TEST CONDITIONS MIN TYP(2) MAX UNIT
Maximum data rate RL = 3 kΩ, CL = 1000 pF 150 250 kbps
One DOUT switching, See Figure 7-1
tsk(p) Driver Pulse skew(3) RL = 3 kΩ to 7 kΩ, CL = 150 to 2500 pF 300 ns
See Figure 7-2
SR(tr) Driver Slew rate, transition region
(see Figure 7-1)		 RL = 3 kΩ to 7 kΩ,
VCC = 5 V		 CL = 150 to 1000 pF 6 30 V/μs
CL = 150 to 2500 pF 4 30
tPLH Receiver Propagation delay time, low- to high-level output CL = 150 pF 300 ns
tPHL Receiver Propagation delay time, high- to low-level output 300 ns
tsk(p) Receiver Pulse skew(1) 300 ns
(1) Test conditions are C1–C4 = 0.1 μF at VCC = 3.3 V ± 0.3 V; C1 = 0.047 μF, C2–C4 = 0.33 μF at VCC = 5 V ± 0.5 V.
(2) All typical values are at VCC = 3.3 V or VCC = 5 V, and TA = 25°C.
(3) Pulse skew is defined as |tPLH − tPHL| of each channel of the same device.