ZHCSK04C July   2019  – May 2024 ISO7021

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
    1.     Pin Functions
  7. 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  Power Ratings
    6. 6.6  Insulation Specifications
    7. 6.7  Safety-Related Certifications
    8. 6.8  Safety Limiting Values
    9. 6.9  Electrical Characteristics 5V Supply
    10. 6.10 Supply Current Characteristics 5V Supply
    11. 6.11 Electrical Characteristics 3.3V Supply
    12. 6.12 Supply Current Characteristics 3.3V Supply
    13. 6.13 Electrical Characteristics 2.5V Supply
    14. 6.14 Supply Current Characteristics 2.5V Supply
    15. 6.15 Electrical Characteristics 1.8V Supply
    16. 6.16 Supply Current Characteristics 1.8V Supply
    17. 6.17 Switching Characteristics
  8. 7 Parameter Measurement Information
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Refresh
      2. 8.3.2 Electromagnetic Compatibility (EMC) Considerations
    4. 8.4 Device Functional Modes
      1. 8.4.1 Device I/O Schematics
  10. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Insulation Lifetime
      2. 9.1.2 Intrinsic Safety
        1. 9.1.2.1 Schedule of Limitations
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
  11. 10Power Supply Recommendations
  12. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 PCB Material
    2. 11.2 Layout Example
  13. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 支持资源
    4. 12.4 Trademarks
    5. 12.5 静电放电警告
    6. 12.6 术语表
  14. 13Revision History
  15. 14Mechanical, Packaging, and Orderable Information

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8.4 Device Functional Modes

Table 8-1 shows the functional modes for the device.

Table 8-1 Function Table
VCCI(1)VCCOINPUT
(INx)(3)		OUTPUT
(OUTx)		COMMENTS
PUPUHHNormal Operation:
A channel output assumes the logic state of the input.
LL
XDefaultThe channel output assumes the selected default option.
PDPUXDefaultWhen VCCI is unpowered, a channel output assumes the logic state based on the selected default option. Default is High for the device without the F suffix and Low for device with the F suffix.
When VCCI transitions from unpowered to powered-up, a channel output assumes the logic state of the input.
When VCCI transitions from powered-up to unpowered, channel output assumes the selected default state.
XPDXUndeterminedWhen VCCO is unpowered, a channel output is undetermined and tri-state(2).
When VCCO transitions from unpowered to powered-up, a channel output assumes the selected default option.
(1) VCCI = Input-side VCC; VCCO = Output-side VCC; PU = Powered up (VCC ≥ 1.54V); PD = Powered down (VCC ≤ 1.54); X = Irrelevant; H = High level; L = Low level; Z = High Impedance.
(2) The outputs are in undetermined state when 1.54V < VCCI, VCCO < 1.54V.
(3) A strongly driven input signal can weakly power the floating VCC through an internal protection diode and cause undetermined output.
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