SCES983 October   2025 TXB0604

ADVANCE INFORMATION  

  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 Electrical Characteristics
    5. 5.5 Switching Characteristics, VCCA = 0.9V
    6. 5.6 Switching Characteristics, VCCA = 1.2V
    7. 5.7 Switching Characteristics, VCCA = 1.5V ± 0.1V
    8. 5.8 Switching Characteristics, VCCA = 1.8V ± 0.15V
    9. 5.9 Switching Characteristics: Tsk, TMAX (-40°C to 125°C) 
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Architecture
      2. 7.3.2 Input Driver Requirements
      3. 7.3.3 Output Load Considerations
      4. 7.3.4 Enable and Disable
      5. 7.3.5 Pullup or Pulldown Resistors on I/O Lines
      6. 7.3.6 Dummy Cycles
    4. 7.4 Device Functional Modes
  9. 8 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
  10. 9 Power Supply Recommendations
  11. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  12. 11Device and Documentation Support
    1. 11.1 Receiving Notification of Documentation Updates
    2. 11.2 Support Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  13. 12Revision History
  14. 13Mechanical, Packaging, and Orderable Information

5.4 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 85°C –40°C to 125°C
MIN TYP MAX MIN TYP MAX
VT+ Positive-going input-threshold voltage Data Inputs
(Ax)
(Referenced to VCCI)		 0.9V 1.65V 0.53 0.66 0.53 0.66 V
1.2V 1.8V 0.71 0.86 0.71 0.86
1.8V 2.5V 1.05 1.24 1.04 1.24
2V 3.6V 1.15 1.36 1.15 1.36
Positive-going input-threshold voltage Data Inputs
(Bx)
(Referenced to VCCI)		 0.9V 1.65V 0.86 1.16 0.84 1.16 V
1.2V 1.8V 0.93 1.24 0.91 1.24
1.8V 2.5V 1.23 1.56 1.23 1.56
2V 3.6V 1.72 2.11 1.72 2.11
Positive-going input-threshold voltage OE
(Referenced to VCCA)		 0.9V 1.65V 0.53 0.66 0.52 0.66 V
1.2V 1.8V 0.69 0.85 0.68 0.85
1.8V 2.5V 0.97 1.17 0.96 1.17
2V 3.6V 1.05 1.26 1.05 1.26
VT- Negative-going input-threshold voltage Data Inputs
(Ax)
(Referenced to VCCI)		 0.9V 1.65V 0.29 0.40 0.29 0.41 V
1.2V 1.8V 0.39 0.51 0.39 0.52
1.8V 2.5V 0.59 0.74 0.59 0.75
2V 3.6V 0.67 0.82 0.67 0.83
Negative-going input-threshold voltage Data Inputs
(Bx)
(Referenced to VCCI)		 0.9V 1.65V 0.58 0.83 0.58 0.85 V
1.2V 1.8V 0.65 0.91 0.65 0.93
1.8V 2.5V 0.99 1.28 0.99 1.29
2V 3.6V 1.47 1.83 1.47 1.84
Negative-going input-threshold voltage OE
(Referenced to VCCA)		 0.9V 1.65V 0.29 0.40 0.29 0.41 V
1.2V 1.8V 0.39 0.51 0.39 0.52
1.8V 2.5V 0.59 0.74 0.59 0.75
2V 3.6V 0.67 0.82 0.67 0.83
ΔVT Input-threshold hysteresis
(VT+ – VT-)		 Data Inputs
(Ax)
(Referenced to VCCI)		 0.9V 1.65V 0.22 0.30 0.21 0.30 V
1.2V 1.8V 0.30 0.38 0.28 0.38
1.8V 2.5V 0.41 0.54 0.39 0.54
2V 3.6V 0.44 0.58 0.42 0.58
Input-threshold hysteresis
(VT+ – VT-)		 Data Inputs
( Bx)
(Referenced to VCCI)		 0.9V 1.65V 0.19 0.44 0.17 0.44 V
1.2V 1.8V 0.19 0.43 0.17 0.43
1.8V 2.5V 0.19 0.38 0.18 0.38
2V 3.6V 0.22 0.32 0.21 0.32
Input-threshold hysteresis
(VT+ – VT-)		 OE
(Referenced to VCCA)		 0.9V 1.65V 0.21 0.30 0.20 0.30 V
1.2V 1.8V 0.27 0.37 0.26 0.37
1.8V 2.5V 0.33 0.48 0.32 0.48
2V 3.6V 0.35 0.49 0.34 0.49
VOHA Port A output high voltage IOH = –20uA 0.9V to 1.2V 1.65V to 3.6V VCCA - 0.2 VCCA - 0.2 V
1.2V to 2V VCCA - 0.4 VCCA - 0.4
VOLA Port A output low voltage IOL = 20uA 0.9V to 2V 1.65V to 3.6V 0.2 0.25 V
VOHB Port B output high voltage IOH = –20uA 0.9V to 1.2V 1.65V to 3.6V VCCB - 0.2 VCCB - 0.2 V
1.2V to 2V VCCB - 0.4 VCCB - 0.4
VOLB Port B output low voltage IOL = 20uA 0.9V to 2V 1.65V to 3.6V 0.2 0.25 V
II Input leakage current OE
VI = VCC or GND		 0.9V to 2V 1.65V to 3.6V ±1 ±2 µA
IOZ High-impedance state output current OE = GND 0.9V to 2V 1.65V to 3.6V ±1 ±3 µA
ICCA VCCA supply current VI = VCCI or GND,
IO = 0		 0.9V 1.65V to 3.6V 6 17 µA
1.2V to 2V 1.65V to 3.6V 9 24
2V 0V 4 19
0V 3.6V ±7.5 ±8.5
ICCB VCCB supply current VI = VCCI or GND,
IO = 0		 0.9V 1.65V to 3.6V 10 13 µA
1.2V to 2V 1.65V to 3.6V 10 13
2V 0V 6 12
0V 3.6V 2 5
ICCZA High-impedance state VCCA supply current VI = VCCI or GND
IO = 0, OE = GND		 0.9V to 2V 1.65V to 3.6V 6 21 µA
ICCZB High-impedance state VCCB supply current VI = VCCI or GND
IO = 0, OE = GND		 0.9V to 2V 1.65V to 3.6V 4 8 µA
Ci Control Input Capacitance OE 0.9V to 2V 1.65V to 3.6V 3 3 pF
Cio Input-to-output internal capacitance A port 0.9V to 2V 1.65V to 3.6V 5 7 pF
B port 0.9V to 2V 1.65V to 3.6V 8 9 pF
(1) VCCI is the VCC associated with the input port
(2) VCCO is the VCC associated with the output port