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. 908-0828
      Mfr. Part No.MC100EPT622MNG
      HK$187.03
      Each
      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. 190-4895
      Mfr. Part No.MAX3004EUP+
      HK$37.986
      Each (In a Tube of 74)
      units
      - - - Surface Mount - TSSOP 3 State 20 6.6 x 4.5 x 0.75mm Level Translator - - - Bi-Directional
      RS Stock No. 186-7289
      Mfr. Part No.MC74HC125ADTR2G
      HK$0.952
      Each (On a Reel of 2500)
      units
      HC - - Surface Mount 1 TSSOP 3 State 14 5.1 x 4.5 x 1.05mm Buffer - 7.8mA 7.8mA -
      RS Stock No. 186-7296
      Mfr. Part No.MC74HCT573ADWG
      HK$2.88
      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. 662-6875
      Mfr. Part No.CD4504BM96
      HK$4.316
      Each (In a Pack of 5)
      units
      4000 - - Surface Mount - SOIC - 16 9.9 x 3.91 x 1.58mm Voltage Level Shifter - 4.2mA -4.2mA CMOS, TTL to CMOS
      RS Stock No. 808-4062
      Mfr. Part No.MC100EPT20DG
      HK$77.56
      Each
      units
      - - - Surface Mount - SOIC Differential 8 5 x 4 x 1.5mm Translator - - - CMOS to PECL, TTL to PECL
      RS Stock No. 186-8484
      Mfr. Part No.74AC244MTC
      HK$4.512
      Each (In a Pack of 25)
      units
      AC - - Surface Mount 2 TSSOP 3 State 20 6.6 x 4.5 x 1.05mm Buffer - 24mA -24mA -
      RS Stock No. 186-7273
      Mfr. Part No.M74VHC1G125DFT1G
      HK$0.388
      Each (On a Reel of 3000)
      units
      VHC - - Surface Mount 1 SC 3 State 5 2.2 x 1.35 x 1mm Buffer - 8mA -8mA -
      RS Stock No. 124-5341
      Mfr. Part No.NB4L52MNG
      HK$71.74
      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. 808-0206
      Mfr. Part No.MC100EPT22DG
      HK$88.77
      Each
      units
      - - - Surface Mount - SOIC LVPECL 8 5 x 4 x 1.5mm Translator - - - LVCMOS to LVPECL, LVTTL to LVPECL
      RS Stock No. 163-0489
      Mfr. Part No.MC100EPT23DTG
      HK$57.999
      Each (In a Tube of 100)
      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. 814-3865
      Mfr. Part No.SN65LVELT22D
      HK$35.218
      Each (In a Pack of 5)
      units
      ECL - - Surface Mount - SOIC LVPECL 8 5 x 4 x 1.5mm Translator - - - LVTTL to LVPECL
      RS Stock No. 806-2643
      Mfr. Part No.MC100EPT21DG
      HK$77.56
      Each
      units
      ECL - - Surface Mount - SOIC LVCMOS, LVTTL 8 5 x 4 x 1.5mm Translator - 24mA -3mA LVPECL/LVDS/CML to LVTTL/LVCMOS
      RS Stock No. 186-8304
      Mfr. Part No.M74VHC1GT126DF2G
      HK$1.73
      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. 186-7227
      Mfr. Part No.74AC244MTC
      HK$4.511
      Each (In a Tube of 75)
      units
      AC - - Surface Mount 2 TSSOP 3 State 20 6.6 x 4.5 x 1.05mm Buffer - 24mA -24mA -
      RS Stock No. 189-8994
      Mfr. Part No.DS2484R+T
      HK$9.38
      Each (In a Pack of 5)
      units
      - - - Surface Mount - SOT-23 - 6 3 x 1.75 x 1.3mm - Yes - - -
      RS Stock No. 162-7236
      Mfr. Part No.CD40109BPW
      HK$3.718
      Each (In a Tube of 90)
      units
      4000 - - Surface Mount - TSSOP 3 State 16 5 x 4.4 x 1.15mm Voltage Level Shifter - 4.2mA -4.2mA -
      RS Stock No. 709-9022
      Mfr. Part No.TXB0102DCUT
      HK$7.23
      Each (In a Pack of 5)
      units
      - - - Surface Mount - VSSOP 3 State 8 2.3 x 2 x 0.85mm Voltage Level Translator - 0.02mA -0.02mA -
      RS Stock No. 922-2921
      Mfr. Part No.SN74AVC8T245PW
      HK$11.235
      Each (In a Tube of 60)
      units
      AVC - - Surface Mount 1 TSSOP - 24 7.8 x 4.4 x 1.15mm Bus Transceiver - 12mA -12mA -
      RS Stock No. 921-5100
      Mfr. Part No.TXB0102DCUT
      HK$3.863
      Each (On a Reel of 250)
      units
      - - - Surface Mount - VSSOP 3 State 8 2.3 x 2 x 0.85mm Voltage Level Translator - 0.02mA -0.02mA -