SPRADJ3 July   2024 2N7001T , 2N7001T-Q1 , CD4009UB , CD4009UB-MIL , CD40109B , CD40109B-MIL , CD40109B-Q1 , CD4010B , CD4010B-MIL , CD4010B-Q1 , CD4504B , CD4504B-EP , CD4504B-MIL , LSF0101 , LSF0102 , LSF0102-Q1 , LSF0108 , LSF0108-Q1 , LSF0204 , LSF0204-Q1 , LSF0204D , SN10KHT5541 , SN10KHT5543 , SN10KHT5574 , SN54SC4T125-SEP , SN54SC6T06-SEP , SN54SC6T07-SEP , SN54SC6T14-SEP , SN54SC6T17-SEP , SN54SLC8T245-SEP , SN74ACT1284 , SN74ALVC164245 , SN74ALVC164245-EP , SN74AUP1T04 , SN74AUP1T14 , SN74AUP1T17 , SN74AUP1T34 , SN74AUP1T34-Q1 , SN74AUP1T50 , SN74AVC16T245 , SN74AVC16T245-Q1 , SN74AVC1T45 , SN74AVC20T245 , SN74AVC24T245 , SN74AVC2T244 , SN74AVC2T245 , SN74AVC2T45 , SN74AVC2T45-Q1 , SN74AVC32T245 , SN74AVC4T234 , SN74AVC4T245 , SN74AVC4T245-Q1 , SN74AVC4T774 , SN74AVC6T622 , SN74AVC8T245 , SN74AVC8T245-Q1 , SN74AVCA164245 , SN74AVCA406 , SN74AVCAH164245 , SN74AVCB164245 , SN74AVCB164245-EP , SN74AVCB164245-Q1 , SN74AVCBH164245 , SN74AVCH16T245 , SN74AVCH1T45 , SN74AVCH20T245 , SN74AVCH24T245 , SN74AVCH2T45 , SN74AVCH4T245 , SN74AVCH4T245-EP , SN74AVCH4T245-Q1 , SN74AVCH8T245 , SN74AXC1T45 , SN74AXC1T45-Q1 , SN74AXC2T245 , SN74AXC2T245-Q1 , SN74AXC2T45 , SN74AXC2T45-Q1 , SN74AXC4T245 , SN74AXC4T245-Q1 , SN74AXC4T774 , SN74AXC4T774-Q1 , SN74AXC8T245 , SN74AXC8T245-Q1 , SN74AXCH1T45 , SN74AXCH2T45 , SN74AXCH4T245 , SN74AXCH8T245 , SN74FB1650 , SN74FB1653 , SN74GTL1655 , SN74GTL16612 , SN74GTL16616 , SN74GTL16622A , SN74GTL2003 , SN74GTL2007 , SN74GTL2010 , SN74GTL2014 , SN74GTL2107 , SN74GTL3004 , SN74GTLP1394 , SN74GTLP1395 , SN74GTLP2033 , SN74GTLP21395 , SN74GTLP22033 , SN74GTLP817 , SN74GTLPH1645 , SN74GTLPH1655 , SN74GTLPH16912 , SN74GTLPH16945 , SN74GTLPH306 , SN74LV161284 , SN74LV1T04 , SN74LV1T04-Q1 , SN74LV1T125 , SN74LV1T125-Q1 , SN74LV1T126 , SN74LV1T126-Q1 , SN74LV1T34 , SN74LV1T34-Q1 , SN74LV4T125 , SN74LV4T125-EP , SN74LV4T125-Q1 , SN74LV6T06 , SN74LV6T06-EP , SN74LV6T06-Q1 , SN74LV6T07 , SN74LV6T07-EP , SN74LV6T07-Q1 , SN74LV6T14 , SN74LV6T14-EP , SN74LV6T14-Q1 , SN74LV6T17 , SN74LV6T17-EP , SN74LV6T17-Q1 , SN74LVC161284 , SN74LVC16T245 , SN74LVC16T245-EP , SN74LVC1T45 , SN74LVC1T45-EP , SN74LVC1T45-Q1 , SN74LVC2T45 , SN74LVC2T45-EP , SN74LVC2T45-Q1 , SN74LVC4245A , SN74LVC4245A-EP , SN74LVC8T245 , SN74LVC8T245-EP , SN74LVC8T245-Q1 , SN74LVCC3245A , SN74LVCC3245A-EP , SN74LVCC4245A , SN74LVCC4245A-EP , SN74LVCE161284 , SN74LVCH16T245 , SN74LVCH16T245-EP , SN74LVCH8T245 , SN74LVCZ161284A , SN74LXC1T14 , SN74LXC1T14-Q1 , SN74LXC1T45 , SN74LXC1T45-Q1 , SN74LXC2T45 , SN74LXC2T45-Q1 , SN74LXC8T245 , SN74LXC8T245-Q1 , SN74LXCH1T45 , SN74LXCH8T245 , TWL1200 , TWL1200-Q1 , TXB0101 , TXB0102 , TXB0104 , TXB0104-Q1 , TXB0106 , TXB0106-Q1 , TXB0108 , TXB0302 , TXB0304 , TXH0137D-Q1 , TXS0101 , TXS0102 , TXS0102-Q1 , TXS0104E , TXS0104E-Q1 , TXS0108E , TXS0108E-Q1 , TXS0202 , TXS0206 , TXS0206-29 , TXS0206A , TXS02324 , TXS02326A , TXS02612 , TXS4555 , TXS4558 , TXU0101 , TXU0101-Q1 , TXU0102 , TXU0102-Q1 , TXU0104 , TXU0104-Q1 , TXU0202 , TXU0202-Q1 , TXU0204 , TXU0204-Q1 , TXU0304 , TXU0304-Q1 , TXV0106 , TXV0106-Q1 , TXV0108 , TXV0108-Q1

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
    1. 1.1 Device Applicability
    2. 1.2 When to Use or Not Use Auto-Bidirectional Devices
  5. 2Recommendations Specific to TXB, TXS, LSF
    1. 2.1 Before You Begin
      1. 2.1.1 Documentation
    2. 2.2 Power Supplies
      1. 2.2.1 Biasing Requirements
      2. 2.2.2 Decoupling Capacitors
      3. 2.2.3 Power Sequencing
    3. 2.3 Output Enable Pins
    4. 2.4 Input or Output Pins
    5. 2.5 Unused Pins
    6. 2.6 Pull-Ups and Pull-Downs
    7. 2.7 Recommended Translator by Interface
  6. 3Summary
  7. 4References

3 Summary

StepChecklistComments
1Verify the interface

See Section 2.7

Open-drain interfaces – TXS or LSF devices.

Push-Pull interfaces – TXB or TXS or LSF devices.

2Verify power supplies are biased correctly

TXB and TXS: VCCA ≤ VCCB is recommended

LSF: Vref_A + 0.8V ≤ Vref_B is recommended

3Verify decoupling capacitors are used with all power supplies0.1µF is recommended. Recommended to place cap as close as possible to the VCC supply pin.
4Verify the schematic pinout matches the data sheet pinout.

Unused I/Os can be left floating.

Traces with used I/Os can be kept as short as possible.

5Verify output capacitive load is minimalTypically, up to 70pF unless specified in data sheets.
6Verify that external pull-up or pull-down resistors are consistent with data sheet.

Pull-ups or pull-downs are not recommended for TXB and TXS.

LSF can use pull-ups. Pull-downs not recommended.