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. 921-3022
      Mfr. Part No.SN74LVC2T45DCTR
      $0.356
      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. 825-3479
      Mfr. Part No.SN74LVC8T245DWR
      $1.576
      Each (In a Pack of 5)
      units
      LVC - - Surface Mount 1 SOIC 3 State 24 15.6 x 7.6 x 2.35mm Bus Transceiver - 32mA -32mA -
      RS Stock No. 662-7415
      Mfr. Part No.PCA9306DCTR
      $1.186
      Each (In a Pack of 5)
      units
      - 1.4ns - Surface Mount - SSOP - 8 2.95 x 2.8 x 1.29mm - - - - -
      RS Stock No. 162-8701
      Mfr. Part No.SN74AVCH2T45DCUT
      $1.16
      Each (On a Reel of 250)
      units
      AVCH - - Surface Mount 1 UM 3 State 8 2.4 x 2.1 x 0.8mm Bus Transceiver - 12mA -12mA -
      RS Stock No. 169-5652
      Mfr. Part No.PCA9306DCTT
      $0.888
      Each (On a Reel of 250)
      units
      - 1.4ns - Surface Mount - SSOP - 8 2.95 x 2.8 x 1.29mm - - - - -
      RS Stock No. 163-2451
      Mfr. Part No.MC100EP90DTG
      $24.465
      Each (In a Tube of 75)
      units
      ECL - - Surface Mount - TSSOP - 20 6.6 x 4.5 x 1.05mm Translator - 50mA -50mA ECL, LVECL to LVPECL, PECL
      RS Stock No. 813-9266
      Mfr. Part No.74AVC1T45GW,125
      BrandNexperia
      $0.527
      Each (On a Tape of 20)
      units
      AVC - - Surface Mount - SC-88 3 State 6 2.2 x 1.35 x 1mm - - - - -
      RS Stock No. 510-756
      Mfr. Part No.PCA9306DC1,125
      BrandNXP
      $1.176
      Each (In a Pack of 10)
      units
      - 3.3ns - Surface Mount - VSSOP - 8 2.1 x 2.4 x 0.85mm - - - - -
      RS Stock No. 922-2811
      Mfr. Part No.PCA9306DCTR
      $0.495
      Each (On a Reel of 3000)
      units
      - 1.4ns - Surface Mount - SSOP - 8 2.95 x 2.8 x 1.29mm - - - - -
      RS Stock No. 662-7995
      Mfr. Part No.SN74AVC2T45DCTT
      $1.944
      Each (In a Pack of 5)
      units
      AVC - - Surface Mount 1 SSOP - 8 2.95 x 2.8 x 1.29mm Bus Transceiver - 12mA -12mA -
      RS Stock No. 662-8985
      Mfr. Part No.SN74LVC2T45DCTT
      $1.344
      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. 662-7412
      Mfr. Part No.PCA9306DCUR
      $1.186
      Each (In a Pack of 5)
      units
      - 1.4ns - Surface Mount - VSSOP - 8 2.3 x 2 x 0.85mm - - - - -
      RS Stock No. 186-9321
      Mfr. Part No.MC100ELT25DTG
      $6.67
      Each (In a Pack of 2)
      units
      - - - Surface Mount - TSSOP TTL 8 3.1 x 3.1 x 1.95mm Translator - 24mA -3mA -
      RS Stock No. 163-0492
      Mfr. Part No.MC100EPT26DG
      $12.98
      Each (In a Tube of 98)
      units
      ECL - - Surface Mount - SOIC TTL 8 5 x 4 x 1.5mm Translator - 24mA -3mA LVPECL/LVDS to LVTTL
      RS Stock No. 709-4673
      Mfr. Part No.TXS0102DCUT
      $1.34
      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. 186-8424
      Mfr. Part No.74LCX245MTCX
      $0.852
      Each (In a Pack of 25)
      units
      LCX - - Surface Mount 1 TSSOP 3 State 20 6.6 x 4.5 x 1.05mm - - 24mA -24mA Bi-Directional
      RS Stock No. 165-9933
      Mfr. Part No.74AUP1T34GW,125
      BrandNexperia
      $0.435
      Each (On a Reel of 3000)
      units
      AUP - - Surface Mount - TSSOP Single Ended 5 2.25 x 1.35 x 1mm - - 4mA -4mA -
      RS Stock No. 166-3457
      Mfr. Part No.FXMA108BQX
      $1.166
      Each (On a Reel of 3000)
      units
      FXMA - - Surface Mount 1 DQFN 3 State 20 4.5 x 2.5 x 0.75mm - - 50mA -50mA -
      RS Stock No. 186-7319
      Mfr. Part No.MM74HC125M
      $0.777
      Each (In a Tube of 55)
      units
      HC - - Surface Mount 1 SOIC 3 State 14 8.75 x 4 x 1.5mm Buffer - 7.8mA 7.8mA -
      RS Stock No. 725-8742
      Mfr. Part No.PCA9574PW,112
      BrandNXP
      $2.13
      Each (In a Pack of 2)
      units
      LVCMOS, LVTTL - - Surface Mount - TSSOP - 16 5.1 x 4.5 x 0.95mm - - - - -