ZHCSWC2P January   1993  – May 2024 SN54LVC257A , SN74LVC257A

PRODUCTION DATA  

  1.   1
  2. 特性
  3. 应用
  4. 说明
  5. Pin Configuration and Functions
  6. 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 Electrical Characteristics
    6. 5.6 Switching Characteristics, SN54LVC257A
    7. 5.7 Switching Characteristics, SN74LVC257A
    8. 5.8 Operating Characteristics
    9. 5.9 Typical Characteristics
  7. Parameter Measurement Information
  8. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
    4. 7.4 Device Functional Modes
  9.   Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. Device and Documentation Support
    1. 8.1 Documentation Support (Analog)
      1. 8.1.1 Related Documentation
      2. 8.1.2 Related Links
    2. 8.2 Community Resources
    3. 8.3 接收文档更新通知
    4. 8.4 支持资源
    5. 8.5 Trademarks
    6. 8.6 静电放电警告
    7. 8.7 术语表
  11. Revision History
  12. 10Mechanical, Packaging, and Orderable Information

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订购信息

Electrical Characteristics

over recommended operating free-air temperature range (unless otherwise noted)
PARAMETERTEST CONDITIONSVCCSN54LVC257ASN74LVC257AUNIT
MINTYP(1)MAXMINTYP(1)MAX
VOHIOH = –100 μA1.65 V to 3.6 VVCC – 0.2V
IOH = –100 μA2.7 V to 3.6 VVCC – 0.2
IOH = –4 mA1.65 V1.2
IOH = –8 mA2.3 V1.7
IOH = –12 mA2.7 V2.22.2
3 V2.42.4
IOH = –24 mA3 V2.22.2
VOLIOL = 100 μA1.65 V to 3.6 V0.2V
2.7 V to 3.6 V0.2
IOL = 4 mA1.65 V0.45
IOL = 8 mA2.3 V0.7
IOL = 12 mA2.7 V0.40.4
IOL = 24 mA3 V0.550.55
IIVI = 5.5 V or GND3.6 V±5±5μA
IOZVO = VCC or GND3.6 V±15±10μA
ICCVI = VCC or GND,IO = 03.6 V1010μA
ΔICCOne input at VCC – 0.6 V,
Other inputs at VCC or GND
2.7 V to 3.6 V500500μA
CiVI = VCC or GND3.3 V55pF
CoVO = VCC or GND3.3 V55pF
All typical values are at VCC = 3.3 V, TA = 25°C.