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. 186-7296
      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. 186-7243
      Mfr. Part No.74LCX244MTC
      $0.718
      Each (In a Tube of 73)
      units
      LCX - - Surface Mount 2 TSSOP 3 State 20 6.6 x 4.5 x 1.05mm Buffer - 24mA -24mA CMOS
      RS Stock No. 162-9385
      Mfr. Part No.MC10ELT25DG
      $5.659
      Each (In a Tube of 98)
      units
      ECL - - Surface Mount - SOIC TTL 8 5 x 4 x 1.5mm Translator - 24mA -3mA ECL to TTL
      RS Stock No. 124-5391
      Mfr. Part No.NLSV1T34DFT2G
      $0.521
      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. 190-5254
      Mfr. Part No.MAX3378EEBC+T
      $5.47
      Each (In a Pack of 5)
      units
      - - - Surface Mount - UCSP Open Drain, 3 State 12 2.02 x 1.54 x 0.4mm Voltage Level Translator - - - Bi-Directional
      RS Stock No. 816-0557
      Mfr. Part No.NTS0102DP,125
      BrandNXP
      $1.17
      Each (In a Pack of 15)
      units
      - - - Surface Mount - TSSOP 3 State 8 3.1 x 3.1 x 0.95mm - - - - -
      RS Stock No. 817-5654
      Mfr. Part No.TXS0206YFPR
      $2.153
      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. 825-3435
      Mfr. Part No.SN74AVC4T245D
      $1.546
      Each (In a Pack of 5)
      units
      AVC - - Surface Mount 1 SOIC 3 State 16 10 x 4 x 1.5mm Bus Transceiver - 12mA -12mA -
      RS Stock No. 190-4899
      Mfr. Part No.MAX3378EEBC+T
      $3.626
      Each (On a Reel of 2500)
      units
      - - - Surface Mount - UCSP Open Drain, 3 State 12 2.02 x 1.54 x 0.4mm Voltage Level Translator - - - Bi-Directional
      RS Stock No. 190-6000
      Mfr. Part No.MAX31911AUI+
      $4.46
      Each (In a Pack of 5)
      units
      - - - Surface Mount - TSSOP - 28 9.8 x 4.5 x 0.95mm Translator - - - -
      RS Stock No. 186-9269
      Mfr. Part No.MC100ELT23DTG
      $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. 730-0644
      Mfr. Part No.TCA9406DCUR
      $1.568
      Each (In a Pack of 5)
      units
      - - - Surface Mount 1 VSSOP 3 State 8 2.1 x 2.4 x 0.8mm Voltage Level Translator - 50mA -50mA -
      RS Stock No. 186-9190
      Mfr. Part No.MC10H125PG
      $11.205
      Each (In a Pack of 2)
      units
      - - - Through Hole - PDIP TTL 16 19.69 x 7.11 x 4.95mm Translator - - - -
      RS Stock No. 816-0554
      Mfr. Part No.NTB0102DP,125
      BrandNXP
      $0.90
      Each (In a Pack of 15)
      units
      - - - Surface Mount - TSSOP 3 State 8 3.1 x 3.1 x 0.95mm - - - - -
      RS Stock No. 190-4904
      Mfr. Part No.MAX9271GTJ+T
      $7.32
      Each (On a Reel of 2500)
      units
      - - - Surface Mount - TQFN Open Drain, 3 State 32 5 x 5 x 0.95mm Translator - - - -
      RS Stock No. 186-7301
      Mfr. Part No.MC74LCX573DTG
      $0.825
      Each (In a Tube of 75)
      units
      LCX - - Surface Mount 1 TSSOP 3 State 20 6.6 x 4.5 x 1.05mm - - 24mA -24mA -
      RS Stock No. 186-7246
      Mfr. Part No.74LCX541WM
      $1.134
      Each (In a Tube of 36)
      units
      LCX - - Surface Mount 1 SOIC 3 State 20 13 x 7.6 x 2.34mm Buffer - 24mA -24mA CMOS
      RS Stock No. 162-6409
      Mfr. Part No.TCA9406DCUR
      $0.62
      Each (On a Reel of 3000)
      units
      - - - Surface Mount 1 VSSOP 3 State 8 2.1 x 2.4 x 0.8mm Voltage Level Translator - 50mA -50mA -
      RS Stock No. 145-7418
      Mfr. Part No.ADG3241BKSZ-500RL7
      $1.33
      Each (On a Reel of 500)
      units
      ADG - - Surface Mount - SC-70 Differential 6 2.2 x 1.35 x 1mm Translator - - - -
      RS Stock No. 162-8321
      Mfr. Part No.SN65EPT23D
      $5.355
      Each (In a Tube of 75)
      units
      ECL - - Surface Mount - SOIC LVTTL/LVCMOS 8 5 x 4 x 1.5mm Translator - 24mA -3mA LVPECL/LVDS to LVTTL/LVCMOS