ZHCSRQ0F june   2004  – february 2023 SN65HVD485E

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Device Comparison Table
    1.     6
  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: Driver
    6. 7.6  Electrical Characteristics: Receiver
    7. 7.7  Power Dissipation Characteristics
    8. 7.8  Supply Current
    9. 7.9  Switching Characteristics: Driver
    10. 7.10 Switching Characteristics: Receiver
    11. 7.11 Dissipation Ratings
    12. 7.12 Typical Characteristics
      1.      Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
    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
        1. 9.2.1.1 Data Rate and Bus Length
        2. 9.2.1.2 Stub Length
        3. 9.2.1.3 Bus Loading
        4. 9.2.1.4 Receiver Failsafe
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Power Usage in an RS-485 Transceiver
      3. 9.2.3 Application Curve
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  10. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 Device Nomenclature
        1. 10.1.1.1 Thermal Characteristics of IC Packages
    2. 10.2 Documentation Support
      1. 10.2.1 Related Documentation
    3. 10.3 支持资源
    4. 10.4 Trademarks
    5. 10.5 静电放电警告
    6. 10.6 术语表
  11. 11Mechanical, Packaging, and Orderable Information

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7.10 Switching Characteristics: Receiver

over recommended operating conditions (unless otherwise noted)
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
tPLHPropagation delay time, low-to-high-level outputVID = -1.5 V to 1.5 V, CL = 15 pF
(see Figure 8-9)		200ns
tPHLPropagation delay time, high-to-low-level output200ns
tsk(p)Pulse skew (|tPHL – tPLH|)6ns
trOutput signal rise time3ns
tfOutput signal fall time3ns
tPZHOutput enable time to high levelCL = 15 pF, DE at 3 V,
(see Figure 8-10 and Figure 8-11)		50ns
tPZLOutput enable time to low level50ns
tPHZOutput enable time from high level50ns
tPLZOutput enable time from low level50ns
tPZH(SHDN)Propagation delay time, shutdown-to-high-level outputCL = 15 pF, DE at 0 V,
(see Figure 8-12)		3500ns
tPZL(SHDN)Propagation delay time, shutdown-to-low-level output3500ns
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