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. 922-2818
      Mfr. Part No.SN74AVC2T45DCTT
      HK$7.844
      Each (On a Reel of 250)
      units
      AVC - - Surface Mount 1 SSOP - 8 2.95 x 2.8 x 1.29mm Bus Transceiver - 12mA -12mA -
      RS Stock No. 662-7415
      Mfr. Part No.PCA9306DCTR
      HK$7.55
      Each (In a Pack of 5)
      units
      - 1.4ns - Surface Mount - SSOP - 8 2.95 x 2.8 x 1.29mm - - - - -
      RS Stock No. 922-2846
      Mfr. Part No.SN74LVC1T45DBVT
      HK$3.08
      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. 921-3022
      Mfr. Part No.SN74LVC2T45DCTR
      HK$2.174
      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. 825-3467
      Mfr. Part No.SN74LVC2T45DCTR
      HK$4.967
      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. 162-8465
      Mfr. Part No.TXS0206YFPR
      HK$5.771
      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. 922-2877
      Mfr. Part No.SN74LVC2T45DCTT
      HK$5.744
      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. 825-3463
      Mfr. Part No.SN74LVC1T45DBVR
      HK$4.069
      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. 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. 921-5119
      Mfr. Part No.TXB0108PWR
      HK$6.977
      Each (On a Reel of 2000)
      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. 922-2802
      Mfr. Part No.PCA9306DCUR
      HK$2.582
      Each (On a Reel of 3000)
      units
      - 1.4ns - Surface Mount - VSSOP - 8 2.3 x 2 x 0.85mm - - - - -
      RS Stock No. 662-7418
      Mfr. Part No.PCA9306DCTT
      HK$12.128
      Each (In a Pack of 5)
      units
      - 1.4ns - Surface Mount - SSOP - 8 2.95 x 2.8 x 1.29mm - - - - -
      RS Stock No. 662-8985
      Mfr. Part No.SN74LVC2T45DCTT
      HK$8.442
      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. 922-2811
      Mfr. Part No.PCA9306DCTR
      HK$2.594
      Each (On a Reel of 3000)
      units
      - 1.4ns - Surface Mount - SSOP - 8 2.95 x 2.8 x 1.29mm - - - - -
      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. 662-7412
      Mfr. Part No.PCA9306DCUR
      HK$7.55
      Each (In a Pack of 5)
      units
      - 1.4ns - Surface Mount - VSSOP - 8 2.3 x 2 x 0.85mm - - - - -
      RS Stock No. 709-9038
      Mfr. Part No.TXB0108PWR
      HK$13.44
      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. 921-3028
      Mfr. Part No.SN74LVC1T45DBVR
      HK$1.943
      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. 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. 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 -