SCES996 May   2025 TXG4020-Q1 , TXG4021-Q1

ADVANCE INFORMATION  

  1.   1
  2. Features
  3. Applications
  4. Description
  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 Electrical Characteristics
    5. 5.5 Switching Characteristics, VCCA = 1.8 ± 0.15V
    6. 5.6 Switching Characteristics, VCCA = 2.5 ± 0.2V
    7. 5.7 Switching Characteristics, VCCA = 3.3 ± 0.3V
    8. 5.8 Switching Characteristics, VCCA = 5.0 ± 0.5V
    9. 5.9 Switching Characteristics: Tsk, TMAX
  7. Parameter Measurement Information
    1. 6.1 Load Circuit and Voltage Waveforms
  8. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 CMOS Schmitt-Trigger Inputs with Integrated Pulldowns
        1. 7.3.1.1 Inputs with Integrated Static Pull-Down Resistors
      2. 7.3.2 Balanced High-Drive CMOS Push-Pull Outputs
      3. 7.3.3 VCC Disconnect
      4. 7.3.4 Over-Voltage Tolerant Inputs
      5. 7.3.5 Glitch-Free Power Supply Sequencing
      6. 7.3.6 Negative Clamping Diodes
      7. 7.3.7 Fully Configurable Dual-Rail Design
      8. 7.3.8 Supports High-Speed Translation
      9. 7.3.9 AC Noise Rejection
  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. 9.1 Device Support
      1. 9.1.1 Regulatory Requirements
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 Receiving Notification of Documentation Updates
    4. 9.4 Support Resources
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Pin Configuration and Functions

TXG4020-Q1 TXG4021-Q1 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
VCCA1A side supply voltage. 1.71V ≤ VCCA ≤ 5.5V
VCCB8B side supply voltage. 1.71V ≤ VCCB ≤ 5.5V
GNDA4Ground reference for VCCA
GNDB5Ground reference for VCCB
Thermal padKeep thermal pad floating.
TXG4020-Q1 TXG4021-Q1 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
VCCA1A side supply voltage. 1.71V ≤ VCCA ≤ 5.5V
VCCB8B side supply voltage. 1.71V ≤ VCCB ≤ 5.5V
GNDA4Ground reference for VCCA
GNDB5Ground reference for VCCB
Thermal padKeep thermal pad floating.
TXG4020-Q1 TXG4021-Q1 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
VCCA1A side supply voltage. 1.71V ≤ VCCA ≤ 5.5V
VCCB8B side supply voltage. 1.71V ≤ VCCB ≤ 5.5V
GNDA4Ground reference for VCCA
GNDB5Ground reference for VCCB
TXG4020-Q1 TXG4021-Q1 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
VCCA1A side supply voltage. 1.71V ≤ VCCA ≤ 5.5V
VCCB8B side supply voltage. 1.71V ≤ VCCB ≤ 5.5V
GNDA4Ground reference for VCCA
GNDB5Ground reference for VCCB