ZHCSUB1B August   2023  – April 2024 ISO6520 , ISO6521

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Information
    5. 5.5  Package Characteristics
    6. 5.6  Electrical Characteristics—5-V Supply
    7. 5.7  Supply Current Characteristics—5-V Supply
    8. 5.8  Electrical Characteristics—3.3-V Supply
    9. 5.9  Supply Current Characteristics—3.3-V Supply
    10. 5.10 Electrical Characteristics—2.5-V Supply 
    11. 5.11 Supply Current Characteristics—2.5-V Supply
    12. 5.12 Electrical Characteristics—1.8-V Supply
    13. 5.13 Supply Current Characteristics—1.8-V Supply
    14. 5.14 Switching Characteristics—5-V Supply
    15. 5.15 Switching Characteristics—3.3-V Supply
    16. 5.16 Switching Characteristics—2.5-V Supply
    17. 5.17 Switching Characteristics—1.8-V Supply
    18. 5.18 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
    4. 7.4 Device Functional Modes
      1. 7.4.1 Device I/O Schematics
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
  10. 9 Power Supply Recommendations
  11. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 PCB Material
    2. 10.2 Layout Example
  12. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 支持资源
    4. 11.4 Trademarks
    5. 11.5 静电放电警告
    6. 11.6 术语表
  13. 12Revision History
  14. 13Mechanical, Packaging, and Orderable Information

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7.4 Device Functional Modes

Table 7-2 lists the functional modes for the devices.

Table 7-2 Function Table
VCCI(1) VCCO INPUT
(INx)(2)		 OUTPUT
(OUTx)		 COMMENTS
PU PU H H Normal Operation: A channel output assumes the logic state of the input.
L L
Open Default Default mode: When INx is open, the corresponding channel output goes to the default logic state. The default is High for and Low for with F suffix.
PD PU X Default Default mode: When VCCI is unpowered, a channel output assumes the logic state based on the selected default option. The default is High for and Low for with 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.
X PD X Undetermined When VCCO is unpowered, a channel output is undetermined(3).
When VCCO transitions from unpowered to powered-up, a channel output assumes the logic state of the input
(1) VCCI = Input-side VCC; VCCO = Output-side VCC; PU = Powered up (VCC ≥ 1.71V); PD = Powered down (VCC ≤ 1.05 V); X = Irrelevant; H = High level; L = Low level
(2) A strongly driven input signal can weakly power the floating VCC via an internal protection diode and cause undetermined output.
(3) The outputs are in undetermined state when 1.89 V < VCCI, VCCO < 2.25 V and 1.05 V < VCCI, VCCO < 1.71 V
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