ZHCSRD6A september   2010  – december 2022 SN74LVC8T245-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 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  Electrical Characteristics
    6. 6.6  Switching Characteristics, VCCA = 1.8 V ± 0.15 V
    7. 6.7  Switching Characteristics, VCCA = 2.5 V ± 0.2 V
    8. 6.8  Switching Characteristics, VCCA = 3.3 V ± 0.3 V
    9. 6.9  Switching Characteristics, VCCA = 5 V ± 0.5 V
    10. 6.10 Operating Characteristics
    11. 6.11 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Fully Configurable Dual-Rail Design Allows Each Port to Operate Over the Full 1.65-V to 5.5-V Power-Supply Range
      2. 8.3.2 Ioff Supports Partial-Power-Down Mode Operation
      3. 8.3.3 Balanced High-Drive CMOS Push-Pull Outputs
      4. 8.3.4 Vcc Isolation
    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
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curve
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 接收文档更新通知
    2. 12.2 支持资源
    3. 12.3 Trademarks
    4. 12.4 静电放电警告
    5. 12.5 术语表
  13. 13Mechanical, Packaging, and Orderable Information

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6.5 Electrical Characteristics

over recommended operating free-air temperature range (unless otherwise noted) (1)(2)(3)
PARAMETER TEST CONDITIONS VCCA VCCB TA  = 25°C TA  = -40°C to 125°C UNIT
MIN TYP MAX MIN TYP MAX
VOH IOH = –100 μA, VI = VIH 1.65 V to 4.5 V 1.65 V to 4.5 V VCCO  – 0.1 V
IOH = –4 mA, VI = VIH 1.65 V 1.65 V 1.2
IOH = –8 mA, VI = VIH 2.3 V 2.3 V 1.9
IOH = –24 mA, VI = VIH 3 V 3 V 2.4
IOH = –32 mA, VI = VIH 4.5 V 4.5 V 3.8
VOL IOL = 100 μA, VI = VIL 1.65 V to 4.5 V 1.65 V to 4.5 V 0.1 V
IOL = 4 mA, VI = VIL 1.65 V 1.65 V 0.45
IOL = 8 mA, VI = VIL 2.3 V 2.3 V 0.3
IOL = 24 mA, VI = VIL 3 V 3 V 0.55
IOL = 32 mA, VI = VIL 4.5 V 4.5 V 0.55
II DIR VI = VCCA or GND 1.65 V to 5.5 V 1.65 V to 5.5 V ±1 ±2 μA
Ioff A or B port VI or VO = 0 to 5.5 V 0 V 0 to 5.5 V ±2 ±11 μA
0 to 5.5 V 0 V ±2 ±11
IOZ A or B port VO = VCCO or GND,
OE = VIH		 1.65 V to 5.5 V 1.65 V to 5.5 V ±1 ±6 μA
ICCA VI = VCCI or GND, IO = 0 1.65 V to 5.5 V 1.65 V to 5.5 V 20 μA
5 V 0 V 20
0 V 5 V –10
ICCB VI = VCCI or GND, IO = 0 1.65 V to 5.5 V 1.65 V to 5.5 V 20 μA
5 V 0 V –10
0 V 5 V 20
ICCA + ICCB VI = VCCI or GND, IO = 0 1.65 V to 5.5 V 1.65 V to 5.5 V 40 μA
ΔICCA A port One A port at VCCA  – 0.6 V,
DIR at VCCA, B port = open		 3 V to 5.5 V 3 V to 5.5 V 50 μA
DIR DIR at VCCA  – 0.6 V,
B port = open,
A port at VCCA or GND		 50
ΔICCB B port One B port at VCCB  – 0.6 V,
DIR at GND, A port = open		 3 V to 5.5 V 3 V to 5.5 V 50 μA
Ci Control inputs VI = VCCA or GND 3.3 V 3.3 V 4 5 pF
Cio A or B
port		 VO = VCCA/B or GND 3.3 V 3.3 V 8.5 10 pF
(1) VCCO is the VCC associated with the output port.
(2) VCCI is the VCC associated with the input port.
(3) All unused control inputs must be held at VCCA or GND to ensure proper device operation and minimize power comsumption.