Translator ICs

Translator ICs (integrated circuits) also known as level shifters, are semiconductor devices on a circuit that provide the translation of electrical signals from one voltage or one logic level to another. This allows for compatibility with other ICs that have different voltage requirements such as TTL and CMOS. Without these ICs, signals that cross voltage levels would be sampled incorrectly.

How do translator ICs work?

Translator ICs provide an interface between components that operate at different voltage levels. They can shift from low to high voltage and vice versa. Either up or down logic level translation is accomplished through the selection of power supply levels VDD (Voltage Drain Drain) and VCC (Voltage Common Collector). The VCC level sets the input signal levels while VDD selects the output voltage levels.

Types of translators IC's

IC translators are offered with a variety of a different number of pins, translation methods, package types such as SOIC SOT-23, VSSOP and different levels of logic.

Another type of translator that is available is I2C (Inter-Integrated Circuit) translators. These are a multi-master to multi-slave two-wire serial bus standard that enables serial communications at a number of bit rates. I2C translators signalling is made up of an individual signal of data that carries logic levels that get validated by a clock signal. Both signals that are transmitted are bi-directional.

Applications of translator ICs

Translator ICs are used in a wide range of applications such as

  • SD cards
  • SIM cards
  • CF cards
  • Audio codecs
  • UART(Universal asynchronous receiver-transmitter)

    • ...
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      Description Price Logic Family Absolute Propagation Delay Time Bus Compatibility Mounting Type Number of Elements per Chip Package Type Output Type Pin Count Dimensions Logic Function Bi-Directional Maximum Low Level Output Current Maximum High Level Output Current Translation
      RS Stock No. 825-3463
      Mfr. Part No.SN74LVC1T45DBVR
      PHP29.274
      Each (In a Pack of 10)
      units
      LVC - - Surface Mount 1 SOT-23 3 State 6 3.05 x 1.75 x 1.3mm Bus Transceiver - 32mA -32mA -
      RS Stock No. 921-3022
      Mfr. Part No.SN74LVC2T45DCTR
      PHP14.616
      Each (On a Reel of 3000)
      units
      LVC - - Surface Mount 1 SM 3 State 8 2.4 x 2.1 x 0.8mm Bus Transceiver - 32mA -32mA -
      RS Stock No. 662-8985
      Mfr. Part No.SN74LVC2T45DCTT
      PHP48.364
      Each (In a Pack of 5)
      units
      LVC - - Surface Mount 1 SSOP - 8 2.95 x 2.8 x 1.29mm Bus Transceiver - 32mA -32mA -
      RS Stock No. 922-2877
      Mfr. Part No.SN74LVC2T45DCTT
      PHP32.876
      Each (On a Reel of 250)
      units
      LVC - - Surface Mount 1 SSOP - 8 2.95 x 2.8 x 1.29mm Bus Transceiver - 32mA -32mA -
      RS Stock No. 922-2846
      Mfr. Part No.SN74LVC1T45DBVT
      PHP41.529
      Each (On a Reel of 250)
      units
      LVC - - Surface Mount 1 SOT-23 - 6 2.9 x 1.6 x 1.15mm Bus Transceiver - 32mA -32mA -
      RS Stock No. 921-3028
      Mfr. Part No.SN74LVC1T45DBVR
      PHP12.308
      Each (On a Reel of 3000)
      units
      LVC - - Surface Mount 1 SOT-23 3 State 6 3.05 x 1.75 x 1.3mm Bus Transceiver - 32mA -32mA -
      RS Stock No. 825-3467
      Mfr. Part No.SN74LVC2T45DCTR
      PHP28.455
      Each (In a Pack of 10)
      units
      LVC - - Surface Mount 1 SM 3 State 8 2.4 x 2.1 x 0.8mm Bus Transceiver - 32mA -32mA -
      RS Stock No. 662-8825
      Mfr. Part No.SN74LVC1T45DBVT
      PHP44.042
      Each (In a Pack of 5)
      units
      LVC - - Surface Mount 1 SOT-23 - 6 2.9 x 1.6 x 1.15mm Bus Transceiver - 32mA -32mA -
      RS Stock No. 921-5046
      Mfr. Part No.TXS0102DCUT
      PHP29.432
      Each (On a Reel of 250)
      units
      - - - Surface Mount - VSSOP Open Drain 8 2.3 x 2 x 0.85mm Voltage Level Translator - 1mA -0.02mA -
      RS Stock No. 709-4673
      Mfr. Part No.TXS0102DCUT
      PHP43.218
      Each (In a Pack of 5)
      units
      - - - Surface Mount - VSSOP Open Drain 8 2.3 x 2 x 0.85mm Voltage Level Translator - 1mA -0.02mA -
      RS Stock No. 709-2545
      Mfr. Part No.CD4504BE
      PHP43.879
      Each (In a Pack of 10)
      units
      4000 - - Through Hole - PDIP - 16 19.3 x 6.35 x 4.57mm Voltage Level Shifter - 4.2mA -4.2mA CMOS, TTL to CMOS
      RS Stock No. 145-5813
      Mfr. Part No.CD4504BE
      PHP26.03
      Each (In a Tube of 25)
      units
      4000 - - Through Hole - PDIP - 16 19.3 x 6.35 x 4.57mm Voltage Level Shifter - 4.2mA -4.2mA CMOS, TTL to CMOS
      RS Stock No. 663-1644
      Mfr. Part No.SN74AVC8T245PW
      PHP78.718
      Each (In a Pack of 5)
      units
      AVC - - Surface Mount 1 TSSOP - 24 7.8 x 4.4 x 1.15mm Bus Transceiver - 12mA -12mA -
      RS Stock No. 145-1147
      Mfr. Part No.SN74AVC4T245D
      PHP46.57
      Each (In a Tube of 40)
      units
      AVC - - Surface Mount 1 SOIC 3 State 16 10 x 4 x 1.5mm Bus Transceiver - 12mA -12mA -
      RS Stock No. 923-6949
      Mfr. Part No.TXS0108EPWR
      PHP67.671
      Each (On a Reel of 2000)
      units
      - - - Surface Mount - TSSOP Open Drain 20 6.5 x 4.4 x 1.15mm Voltage Level Translator - 50mA -50mA -
      RS Stock No. 162-8857
      Mfr. Part No.TXS0102DQER
      PHP20.289
      Each (On a Reel of 5000)
      units
      - - - Surface Mount 1 X2SON Open Drain, Push-Pull 8 1.45 x 1.05 x 0.35mm Voltage Level Translator - 1mA -20µA Bi-Directional
      RS Stock No. 662-8014
      Mfr. Part No.SN74AVC4T245DR
      PHP53.55
      Each (In a Pack of 5)
      units
      AVC - - Surface Mount 2 SOIC - 16 9.9 x 3.91 x 1.58mm Bus Transceiver - 12mA -12mA -
      RS Stock No. 921-5103
      Mfr. Part No.TXB0104PWR
      PHP27.45
      Each (On a Reel of 2000)
      units
      - - - Surface Mount - TSSOP 3 State 14 5 x 4.4 x 1.15mm Voltage Level Translator - 0.02mA -0.02mA -
      RS Stock No. 162-8465
      Mfr. Part No.TXS0206YFPR
      PHP42.23
      Each (On a Reel of 3000)
      units
      - - - Surface Mount - DSBGA 3 State 20 1.988 x 1.588 x 0.31mm Voltage Level Translator - 8mA -8mA -
      RS Stock No. 145-7367
      Mfr. Part No.CD4504BM96
      PHP10.00
      Each (On a Reel of 2500)
      units
      4000 - - Surface Mount - SOIC - 16 9.9 x 3.91 x 1.58mm Voltage Level Shifter - 4.2mA -4.2mA CMOS, TTL to CMOS