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. 162-8971
      Mfr. Part No.NB4L16MMNG
      HK$68.217
      Each (In a Tube of 123)
      units
      NB - - Surface Mount - QFN CML 16 3 x 3 x 0.95mm Translator - - - CML, HSTL, LVCMOS, LVDS, LVPECL, LVTTL
      RS Stock No. 124-5391
      Mfr. Part No.NLSV1T34DFT2G
      HK$3.127
      Each (On a Reel of 3000)
      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. 802-2017
      Mfr. Part No.NB4L16MMNG
      HK$91.22
      Each
      units
      NB - - Surface Mount - QFN CML 16 3 x 3 x 0.95mm Translator - - - CML, HSTL, LVCMOS, LVDS, LVPECL, LVTTL
      RS Stock No. 162-8704
      Mfr. Part No.SN74LVC8T245DWR
      HK$4.158
      Each (On a Reel of 2000)
      units
      LVC - - Surface Mount 1 SOIC 3 State 24 15.6 x 7.6 x 2.35mm Bus Transceiver - 32mA -32mA -
      RS Stock No. 802-4186
      Mfr. Part No.NLSX4373DR2G
      HK$8.40
      Each (In a Pack of 20)
      units
      CMOS - - Surface Mount - SOIC Open Drain 8 5 x 4 x 1.5mm Voltage Level Translator - 20µA 20µA Voltage Logic Signals
      RS Stock No. 806-3078
      Mfr. Part No.MC10EPT20DG
      HK$77.56
      Each
      units
      ECL - - Surface Mount 1 SOIC Differential 8 5 x 4 x 1.5mm Translator - - 50mA LVCMOS to LVPECL, LVTTL to LVPECL