SCES997A June   2025  – November 2025 TXG1020 , TXG1021

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  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  Electrical Characteristics
    6. 5.6  Supply Current
    7. 5.7  Switching Characteristics, VCCA = 1.8 ± 0.15V
    8. 5.8  Switching Characteristics, VCCA = 2.5 ± 0.2V
    9. 5.9  Switching Characteristics, VCCA = 3.3 ± 0.3V
    10. 5.10 Switching Characteristics, VCCA = 5.0 ± 0.5V
    11. 5.11 Switching Characteristics: Tsk, TMAX
  7. 6 Typical Characteristics
  8. 7 Parameter Measurement Information
    1. 7.1 Load Circuit and Voltage Waveforms
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 CMOS Schmitt-Trigger Inputs with Integrated Pulldowns
        1. 8.3.1.1 Inputs with Integrated Static Pull-Down Resistors
      2. 8.3.2 Balanced High-Drive CMOS Push-Pull Outputs
      3. 8.3.3 VCC Disconnect
      4. 8.3.4 Over-Voltage Tolerant Inputs
      5. 8.3.5 Glitch-Free Power Supply Sequencing
      6. 8.3.6 Negative Clamping Diodes
      7. 8.3.7 Fully Configurable Dual-Rail Design
      8. 8.3.8 Supports High-Speed Translation
      9. 8.3.9 AC Noise Rejection
    4. 8.4 Device Functional Modes
  10. 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 Curves
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 Regulatory Requirements
    2. 10.2 Documentation Support
      1. 10.2.1 Related Documentation
    3. 10.3 Receiving Notification of Documentation Updates
    4. 10.4 Support Resources
    5. 10.5 Trademarks
    6. 10.6 Electrostatic Discharge Caution
    7. 10.7 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

Pin Configuration and Functions

TXG1020 TXG1021 TXGx021DSG Package8-Pin WSONTop ViewFigure 4-1 TXGx021DSG Package8-Pin WSONTop View
Table 4-1 TXGx021 DSG Pin Functions
PINI/ODESCRIPTION
NameTXGx021
A12IInput A1. Referenced to VCCA
A2Y3OOutput A2. Referenced to VCCA
B1Y7OOutput B1. Referenced to VCCB
B26IInput B2. Referenced to VCCB
VCCA1—A side supply voltage. 1.71V ≤ VCCA ≤ 5.5V
VCCB8—B side supply voltage. 1.71V ≤ VCCB ≤ 5.5V
GNDA4—Ground reference for VCCA
GNDB5—Ground reference for VCCB
—Thermal pad—Keep thermal pad floating.
TXG1020 TXG1021 TXGx020DSG Package8-Pin WSONTop
                        ViewFigure 4-2 TXGx020DSG Package8-Pin WSONTop View
Table 4-2 TXGx020 DSG Pin Functions
PINI/ODESCRIPTION
NameTXGx020
A12IInput A1. Referenced to VCCA
A23IInput A2. Referenced to VCCA
B1Y7OOutput B1. Referenced to VCCB
B2Y6OOutput B2. Referenced to VCCB
VCCA1—A side supply voltage. 1.71V ≤ VCCA ≤ 5.5V
VCCB8—B side supply voltage. 1.71V ≤ VCCB ≤ 5.5V
GNDA4—Ground reference for VCCA
GNDB5—Ground reference for VCCB
—Thermal pad—Keep thermal pad floating.
TXG1020 TXG1021 TXGx021DDF 8-Pin SOT and
                    TXGx021D 8-pin SOIC Top ViewFigure 4-3 TXGx021DDF 8-Pin SOT and TXGx021D 8-pin SOIC Top View
Table 4-3 TXGx021 DDF and D Pin Functions
PINI/ODESCRIPTION
NameTXGx021
A12IInput A1. Referenced to VCCA
A2Y3OOutput A2. Referenced to VCCA
B1Y7OOutput B1. Referenced to VCCB
B26IInput B2. Referenced to VCCB
VCCA1—A side supply voltage. 1.71V ≤ VCCA ≤ 5.5V
VCCB8—B side supply voltage. 1.71V ≤ VCCB ≤ 5.5V
GNDA4—Ground reference for VCCA
GNDB5—Ground reference for VCCB
TXG1020 TXG1021 TXGx020DDF 8-Pin SOT and
                    TXGx020D 8-pin SOIC Top ViewFigure 4-4 TXGx020DDF 8-Pin SOT and TXGx020D 8-pin SOIC Top View
Table 4-4 TXGx020 DDF and D Pin Functions
PINI/ODESCRIPTION
NameTXGx020
A12IInput A1. Referenced to VCCA
A23IInput A2. Referenced to VCCA
B1Y7OOutput B1. Referenced to VCCB
B2Y6OOutput B2. Referenced to VCCB
VCCA1—A side supply voltage. 1.71V ≤ VCCA ≤ 5.5V
VCCB8—B side supply voltage. 1.71V ≤ VCCB ≤ 5.5V
GNDA4—Ground reference for VCCA
GNDB5—Ground reference for VCCB