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

5.5 Electrical Characteristics

over operating free-air temperature range (unless otherwise noted)(1) (2)
PARAMETER TEST CONDITIONS VCCA VCCB Operating free-air temperature (TA) UNIT
–40°C to 125°C
MIN TYP MAX
VOH High-level output voltage (3) IOH = –4.5mA 1.71V 1.71V 1.5 V
IOH = –8mA 2.3V 2.3V 2.0
IOH = –10mA 3V 3V 2.7
IOH = –12mA 4.5V 4.5V 4.1
VOL Low-level output voltage (4) IOL = 4.5mA 1.71V 1.71V 0.16 V
IOL = 8mA 2.3V 2.3V 0.27
IOL = 10mA 3V 3V 0.34
IOL = 12mA 4.5V 4.5V 0.41
VT+ Positive-going input-threshold voltage Data Inputs
(Ax, Bx)
(Referenced to VCCI)		 1.71V 1.71V 1.11 V
2.3V 2.3V 1.40
3V 3V 1.73
4.5V 4.5V 2.45
5.5V 5.5V 3.0
VT- Negative-going input-threshold voltage Data Inputs
(Ax, Bx)
(Referenced to VCCI)		 1.71V 1.71V 0.56 V
2.3V 2.3V 0.80
3V 3V 1.14
4.5V 4.5V 1.59
5.5V 5.5V 2.0
ΔVT Input-threshold hysteresis
(VT+ – VT-)		 Data Inputs
(Ax, Bx)
(Referenced to VCCI)		 1.71V 1.71V 0.3 0.55 V
2.3V 2.3V 0.36 0.60
3V 3V 0.38 0.54
4.5V 4.5V 0.41 0.86 V
ΔVT Input-threshold hysteresis
(VT+ – VT-)		 Data Inputs
(Ax, Bx)
(Referenced to VCCI)		 5.5V 5.5V 0.40 0.96 V
II Input leakage current Data Inputs
(Ax, Bx)
VI = VCCI or GND		 1.71V – 5.5V 1.71V – 5.5V 0.2 1.6 µA
Ioff-float Floating supply Partial power down current A Port or B Port
VI = VCC		 Floating(5) 0V - 5.5V 0.26 1.55 µA
0V - 5.5V Floating(5) 0.26 1.55
Ioff-float Floating supply Partial power down current A Port or B Port
VI = GND		 Floating(5) 0V - 5.5V 0.06 nA
Ioff-float Floating supply Partial power down current 0V - 5.5V Floating(5) 0.39 nA
Ci Control Input Capacitance VI = 3.3V or VGNDA 3.3V 3.3V 2 pF
Cio Data I/O Capacitance VO = 1.71V DC +1MHz -16dBm sine wave 3.3V 3.3V 1.3 2.6 pF
CGND Cap between grounds All channels combined
(VCC both sides are powered on)		 46 pF
All channels combined
(VCC to GND shorted)		 53 pF
Leakage Current Leakage between GndA to GndB All channels combined
(VCC both sides are powered on and inputs are all low)		 1.71V – 5.5V 1.71V – 5.5V 0.06 µA
All channels combined
(VCC both sides are powered on and inputs are all high)		 1.71V – 5.5V 1.71V – 5.5V 32 µA
All channels combined
(VCC to GND shorted)		 1.71V – 5.5V 1.71V – 5.5V 0.04 µA
CMTI Common Mode Transient Immunity Input toggling at 100Mbps
Ground shift up to 10V		 1.71V – 5.5V 1.71V – 5.5V 1 kV/µs
VUVLO+ Positive-Going Undervoltage Lockout Voltage A Supply 1.71V – 5.5V 1.64 V
B Supply 1.71V – 5.5V 1.64 V
VUVLO- Negative-Going Undervoltage Lockout Voltage A Supply 1.71V – 5.5V 1.2 V
B Supply 1.71V – 5.5V 1.2 V
VUVLO_Hys Undervoltage Lockout Hysteresis A Supply 1.71V – 5.5V 58 mV
B Supply 1.71V – 5.5V 58 mV
(1) VCCI is the VCC associated with the input port and referenced to GNDA
(2) VCCO is the VCC associated with the output port and referenced to GNDB
(3) Tested at VI = VT+(MAX)
(4) Tested at VI = VT-(MIN)
(5) Floating is defined as a node that is both not actively driven by an external device and has leakage not exeeding 10nA