ZHCSQ45A january   2023  – july 2023 THVD1454

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  ESD Ratings [IEC]
    4. 6.4  Recommended Operating Conditions
    5. 6.5  Thermal Information
    6. 6.6  Power Dissipation
    7. 6.7  Electrical Characteristics
    8. 6.8  Switching Characteristics_500 kbps
    9. 6.9  Switching Characteristics_20 Mbps
    10. 6.10 Switching Characteristics_Termination resistor
    11. 6.11 Typical Characteristics
  8. 7 Parameter Measurement Information
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagrams
    3. 8.3 Feature Description
    4. 8.4 Device Functional Modes
      1. 8.4.1 On-Chip Switchable Termination
      2. 8.4.2 Operational Data rate
      3. 8.4.3 Protection Features
  10. 9 Application Information Disclaimer
    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
        5. 9.2.1.5 Transient Protection
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 第三方产品免责声明
    2. 10.2 接收文档更新通知
    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
  12. 11Mechanical, Packaging, and Orderable Information

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6.9 Switching Characteristics_20 Mbps

20-Mbps (SLR = GND) over recommended operating conditions. All typical values are at 25°C and supply voltage of VCC = 5 V. (1) 
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Driver
tr, tf Differential output rise/fall time RL = 54 Ω, CL = 50 pF
See Figure 7-3
 VCC = 3 to 3.6 V, Typical at 3.3 V 5 9 15 ns
VCC = 4.5 to 5.5 V, Typical at 5 V 4.5 8 15 ns
tPHL, tPLH Propagation delay VCC = 3 to 3.6 V, Typical at 3.3 V 14 22 50 ns
VCC = 4.5 to 5.5 V, Typical at 5 V 9 20 40 ns
tSK(P) Pulse skew, |tPHL – tPLH| VCC = 3 to 3.6 V, Typical at 3.3 V 1 3.5 ns
VCC = 4.5 to 5.5 V, Typical at 5 V 1 3.5 ns
tPHZ, tPLZ Disable time RE = X See Figure 7-4 and Figure 7-5   25 50 ns
tPZH, tPZL Enable time RE = 0 V 30 70 ns
RE = VCC 6 11 μs
Receiver
tr, tf Output rise/fall time CL = 15 pF See Figure 7-6 5 10 ns
tPHL, tPLH Propagation delay 30 72 ns
tSK(P) Pulse skew, |tPHL – tPLH| 6 ns
tPHZ, tPLZ Disable time DE = X See Figure 7-7 20 58 ns
tPZH(1),
tPZL(1)		 Enable time DE = VCC 80 155 ns
tPZH(2),
tPZL(2)		 Enable time DE = 0 V See Figure 7-8 6 11 μs
(1) A, B are RX input, Y/Z are driver output terminals in Full duplex mode.