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. 880-5389
      Mfr. Part No.ST2378ETTR
      HK$11.989
      Each (In a Pack of 10)
      units
      - - - Surface Mount - TSSOP Open Drain, Totem Pole 20 6.6 x 4.48 x 1.05mm Translator - - - -
      RS Stock No. 865-2151
      Mfr. Part No.HEF4104BT,652
      BrandNexperia
      HK$8.198
      Each (In a Pack of 5)
      units
      HEF - - Surface Mount - SOIC 3 State 16 10 x 4 x 1.45mm Quad Low to High Voltage Translator - 2.4mA -2.4mA TTL to LOCMOS
      RS Stock No. 817-5654
      Mfr. Part No.TXS0206YFPR
      HK$11.989
      Each (On a Tape of 10)
      units
      - - - Surface Mount - DSBGA 3 State 20 1.988 x 1.588 x 0.31mm Voltage Level Translator - 8mA -8mA -
      RS Stock No. 709-9038
      Mfr. Part No.TXB0108PWR
      HK$12.64
      Each
      units
      - - - Surface Mount - TSSOP 3 State 20 6.5 x 4.4 x 1.15mm Voltage Level Translator - 0.02mA -0.02mA -
      RS Stock No. 825-3467
      Mfr. Part No.SN74LVC2T45DCTR
      HK$4.402
      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. 169-5652
      Mfr. Part No.PCA9306DCTT
      HK$4.442
      Each (On a Reel of 250)
      units
      - 1.4ns - Surface Mount - SSOP - 8 2.95 x 2.8 x 1.29mm - - - - -
      RS Stock No. 662-8825
      Mfr. Part No.SN74LVC1T45DBVT
      HK$5.932
      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. 662-7415
      Mfr. Part No.PCA9306DCTR
      HK$6.468
      Each (In a Pack of 5)
      units
      - 1.4ns - Surface Mount - SSOP - 8 2.95 x 2.8 x 1.29mm - - - - -
      RS Stock No. 662-7995
      Mfr. Part No.SN74AVC2T45DCTT
      HK$10.404
      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. 186-8277
      Mfr. Part No.M74VHC1G125DFT1G
      HK$1.761
      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. 152-6483
      Mfr. Part No.74AVC8T245BQ-Q100J
      BrandNexperia
      HK$4.193
      Each (On a Reel of 3000)
      units
      74AVC - - Surface Mount 16 DHVQFN 3 State 24 4.25 x 3.6 x 0.95mm Level Translator - 1.5mA -1.5mA Bi-Directional
      RS Stock No. 190-4893
      Mfr. Part No.MAX1840EUB+
      HK$22.918
      Each (In a Tube of 50)
      units
      - - - Surface Mount - μMAX Open Drain 10 3.05 x 3.05 x 0.95mm Level Translator - - - -
      RS Stock No. 186-7294
      Mfr. Part No.MC74HCT245ADWG
      HK$4.172
      Each (In a Tube of 38)
      units
      HCT - - Surface Mount 1 SOIC 3 State 20 12.95 x 7.6 x 2.4mm Bus Transceiver - 6mA 6mA -
      RS Stock No. 709-2545
      Mfr. Part No.CD4504BE
      HK$4.547
      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. 663-1644
      Mfr. Part No.SN74AVC8T245PW
      HK$13.21
      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. 825-3457
      Mfr. Part No.SN74AVCH4T245PW
      HK$10.962
      Each (In a Pack of 5)
      units
      AVCH - - Surface Mount 1 TSSOP 3 State 16 5.1 x 4.5 x 1.05mm Bus Transceiver - 12mA -12mA -
      RS Stock No. 802-1626
      Mfr. Part No.NLSV1T34DFT2G
      HK$5.943
      Each (In a Pack of 20)
      units
      - - - Surface Mount 2 SC-88A 3 State 5 2.2 x 1.35 x 1mm Voltage Level Translator - 24mA -24mA Low Voltage Translation
      RS Stock No. 151-2742
      Mfr. Part No.74ALVC164245DGG,11
      BrandNexperia
      HK$8.778
      Each (In a Pack of 5)
      units
      - - - Surface Mount - TSSOP - 48 12.6 x 6.2 x 1.05mm - - - - -
      RS Stock No. 163-0541
      Mfr. Part No.MC14504BDTG
      HK$10.784
      Each (In a Tube of 96)
      units
      CMOS - - Surface Mount - TSSOP CMOS, TTL 16 5.1 x 4.5 x 1.05mm Level Shifter - 2.4mA -2.4mA CMOS, TTL to CMOS
      RS Stock No. 806-2668
      Mfr. Part No.MC100EPT26DG
      HK$76.41
      Each
      units
      ECL - - Surface Mount - SOIC TTL 8 5 x 4 x 1.5mm Translator - 24mA -3mA LVPECL/LVDS to LVTTL