SCES308L August   2001  – May 2015 SN74LVC2G07

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  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 Thermal Information
    4. 6.4 Switching Characteristics from -40°C to 125°C
    5. 6.5 Typical Characteristics
  7. 7 Parameter Measurement Information
    1. 7.1 (Open-Drain)
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
    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 Examples
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Community Resources
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

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8 Detailed Description

8.1 Overview

The SN74LVC2G07 device contains two open drain buffer with a maximum sink current of 32 mA. This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

8.2 Functional Block Diagram

SN74LVC2G07 ld_ces308.gif

8.3 Feature Description

The open-drain configuration means that the device cannot provide its own output drive current; instead, it relies on pullup resistors to provide the "high" bus state. It can only drive the bus low. In the "Hi-Z" state, the SN74LVC2G07 acts as an open circuit and allows the external pullup to pull the bus high. Therefore, the pullup voltage determines the output level and therefore the SN74LVC2g07 can be used for up or down-translation. The device can sink 24 mA at 3 V while retaining an output voltage (VOL) of 0.55 V or lower.

8.4 Device Functional Modes

Table 1 shows the device functional modes of the SN74LVC2G07 device.

Table 1. Function Table

INPUT
A		 OUTPUT
Y
L L
H H