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. 186-8337
      Mfr. Part No.74LCX16245MTDX
      $1.872
      Each (In a Pack of 10)
      units
      LCX - - Surface Mount 1 TSSOP 3 State 48 12.5 x 6.1 x 0.9mm - - 24mA -24mA Bi-Directional
      RS Stock No. 124-5341
      Mfr. Part No.NB4L52MNG
      $12.421
      Each (In a Tube of 123)
      units
      LVPECL - - Surface Mount - QFN LVPECL 16 3 x 3 x 0.95mm Translator - 25mA -25mA CML, ECL, LVCMOS, LVDS, LVTTL to LVPECL
      RS Stock No. 186-8304
      Mfr. Part No.M74VHC1GT126DF2G
      $0.284
      Each (In a Pack of 50)
      units
      VHC - - Surface Mount 1 SC 3 State 5 2.2 x 1.35 x 1mm Buffer - 8mA -8mA -
      RS Stock No. 162-7355
      Mfr. Part No.SN74AUP1T57DCKR
      $0.241
      Each (On a Reel of 3000)
      units
      AUP - - Surface Mount - SC-70 - 6 2 x 1.25 x 0.9mm Voltage Level Translator - 4mA -4mA -
      RS Stock No. 806-2652
      Mfr. Part No.MC100EPT21DTG
      $14.29
      Each
      units
      ECL - - Surface Mount - TSSOP LVCMOS, LVTTL 8 3.1 x 3.1 x 0.95mm Translator - 24mA -3mA LVPECL/LVDS/CML to LVTTL/LVCMOS
      RS Stock No. 809-9360
      Mfr. Part No.ADG3231BRJZ-REEL7
      $2.394
      Each (On a Tape of 5)
      units
      - - - Surface Mount - SOT-23 Single Ended 6 3 x 1.7 x 1.3mm Level Translator - 8mA -8mA LVTTL to CMOS
      RS Stock No. 190-5982
      Mfr. Part No.MAX3000EEUP+
      $7.28
      Each (In a Pack of 5)
      units
      - - - Surface Mount - TSSOP 3 State 20 6.6 x 4.5 x 0.75mm Level Translator - - - Bi-Directional
      RS Stock No. 162-8857
      Mfr. Part No.TXS0102DQER
      $0.617
      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. 186-8828
      Mfr. Part No.MC100ELT25DTG
      $4.893
      Each (In a Tube of 100)
      units
      - - - Surface Mount - TSSOP TTL 8 3.1 x 3.1 x 1.95mm Translator - 24mA -3mA -
      RS Stock No. 145-4058
      Mfr. Part No.MC100EPT622MNG
      $32.928
      Each (In a Tube of 74)
      units
      LVCMOS, LVTTL - - Surface Mount 10 QFN LVPECL 32 5 x 5 x 0.95mm Voltage Translator - - - LVCMOS to LVPECL, LVTTL to LVPECL
      RS Stock No. 162-6475
      Mfr. Part No.TXB0108RGYR
      $0.937
      Each (On a Reel of 3000)
      units
      - - - Surface Mount - QFN 3 State 20 4.5 x 3.5 x 0.8mm Voltage Level Translator - 0.02mA -0.02mA -
      RS Stock No. 186-7296
      Mfr. Part No.MC74HCT573ADWG
      $0.47
      Each (In a Tube of 38)
      units
      HCT - - Surface Mount 1 SOIC 3 State 20 12.95 x 7.6 x 2.4mm - - 6mA 6mA -
      RS Stock No. 162-7357
      Mfr. Part No.SN74AUP1T98DCKT
      $0.458
      Each (On a Reel of 250)
      units
      AUP - - Surface Mount - SC-70 - 6 2 x 1.25 x 0.9mm Voltage Level Translator - 4mA -4mA -
      RS Stock No. 806-2655
      Mfr. Part No.MC100EPT23DTG
      $14.29
      Each
      units
      ECL - - Surface Mount - TSSOP LVCMOS, LVTTL 8 3.1 x 3.1 x 0.95mm Translator - 24mA -3mA LVPECL/LVDS/CML to LVTTL/LVCMOS
      RS Stock No. 921-5103
      Mfr. Part No.TXB0104PWR
      $0.662
      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. 186-7234
      Mfr. Part No.74ACT244SC
      $1.187
      Each (In a Tube of 38)
      units
      ACT - - Surface Mount 2 SOIC 3 State 20 13 x 7.6 x 2.35mm - - 24mA 24mA -
      RS Stock No. 197-7531
      Mfr. Part No.SN74LVC8T245PWR
      $0.777
      Each (On a Reel of 2000)
      units
      LVC - - - 1 TSSOP 3 State 24 - Translator - -32mA 32mA Bi-Directional
      RS Stock No. 787-6794
      Mfr. Part No.MC100LVELT23DG
      $6.67
      Each
      units
      ECL - - Surface Mount - SOIC LVDS 8 5 x 4 x 1.5mm Translator - 24mA -3mA LVPECL/LVDS to LVTTL
      RS Stock No. 808-4065
      Mfr. Part No.MC100EPT25DTG
      $15.07
      Each
      units
      - - - Surface Mount - TSSOP Differential 8 3.1 x 3.1 x 0.95mm Translator - 24mA -3mA ECL to LVTTL
      RS Stock No. 662-8014
      Mfr. Part No.SN74AVC4T245DR
      $1.302
      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 -