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. 186-7236
      Mfr. Part No.74ACT245SC
      TWD12.10
      Each (In a Tube of 38)
      units
      ACT - - Surface Mount 1 SOIC 3 State 20 13 x 7.6 x 2.35mm - - 24mA -24mA -
      RS Stock No. 166-2059
      Mfr. Part No.FXLA108BQX
      TWD12.00
      Each (On a Reel of 3000)
      units
      FXLA - - Surface Mount 1 DQFN 3 State 20 4.5 x 2.5 x 0.75mm Voltage Level Translator - 50mA -50mA -
      RS Stock No. 186-7242
      Mfr. Part No.74LCX16245MTDX
      TWD22.10
      Each (On a Reel of 1000)
      units
      LCX - - Surface Mount 1 TSSOP 3 State 48 12.5 x 6.1 x 0.9mm - - 24mA -24mA Bi-Directional
      RS Stock No. 190-4899
      Mfr. Part No.MAX3378EEBC+T
      TWD72.90
      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. 816-0557
      Mfr. Part No.NTS0102DP,125
      BrandNXP
      TWD24.50
      Each (In a Pack of 15)
      units
      - - - Surface Mount - TSSOP 3 State 8 3.1 x 3.1 x 0.95mm - - - - -
      New
      RS Stock No. 218-4673
      Mfr. Part No.TXS0102DCUR
      TWD10.00
      Each (On a Reel of 3000)
      units
      - 27ns - Surface Mount - VSSOP - 8 - - - - - -
      RS Stock No. 814-3809
      Mfr. Part No.SN65EPT23D
      TWD125.40
      Each (In a Pack of 5)
      units
      ECL - - Surface Mount - SOIC LVTTL/LVCMOS 8 5 x 4 x 1.5mm Translator - 24mA -3mA LVPECL/LVDS to LVTTL/LVCMOS
      RS Stock No. 186-8331
      Mfr. Part No.74VHC125MTCX
      TWD13.20
      Each (In a Pack of 25)
      units
      VHC - - Surface Mount 1 TSSOP 3 State 14 5.1 x 4.5 x 1.05mm Buffer - 8mA -8mA -
      RS Stock No. 190-5943
      Mfr. Part No.MAX13035EETE+
      TWD259.50
      Each (In a Pack of 2)
      units
      - - - Surface Mount - TQFN Open Drain, 3 State 16 4.1 x 4.1 x 0.75mm Logic Level Translator - 4mA - -
      RS Stock No. 186-7289
      Mfr. Part No.MC74HC125ADTR2G
      TWD4.20
      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. 802-2011
      Mfr. Part No.NB4L52MNG
      TWD377.00
      Each
      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. 186-8300
      Mfr. Part No.MC74HCT573ADWG
      TWD16.30
      Each (In a Pack of 25)
      units
      HCT - - Surface Mount 1 SOIC 3 State 20 12.95 x 7.6 x 2.4mm - - 6mA 6mA -
      RS Stock No. 921-3022
      Mfr. Part No.SN74LVC2T45DCTR
      TWD8.20
      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. 186-7232
      Mfr. Part No.74ACT240MTC
      TWD23.70
      Each (In a Tube of 75)
      units
      ACT - - Surface Mount 2 TSSOP 3 State 20 6.6 x 4.5 x 1.05mm Buffer - 24mA -24mA -
      RS Stock No. 186-8545
      Mfr. Part No.MC74LVX4245DTG
      TWD58.60
      Each (In a Pack of 5)
      units
      LVX - - Surface Mount 1 TSSOP TTL 24 7.9 x 4.5 x 1.05mm Translating Transceiver - 8mA -8mA -
      RS Stock No. 145-655
      Mfr. Part No.MC100EPT22DTG
      TWD355.00
      Each
      units
      ECL - - Surface Mount - TSSOP - 8 3.1 x 3.1 x 0.95mm Translator - 50mA -50mA LVCMOS, LVTTL to LVPECL
      RS Stock No. 186-7234
      Mfr. Part No.74ACT244SC
      TWD27.60
      Each (In a Tube of 38)
      units
      ACT - - Surface Mount 2 SOIC 3 State 20 13 x 7.6 x 2.35mm - - 24mA 24mA -
      RS Stock No. 163-0490
      Mfr. Part No.MC100EPT24DG
      TWD314.40
      Each (In a Tube of 98)
      units
      ECL - - Surface Mount - SOIC LVECL 8 5 x 4 x 1.5mm Translator - - - LVTTL/LVCMOS to LVECL
      RS Stock No. 189-9163
      Mfr. Part No.MAX3390EEUD+
      TWD140.40
      Each (In a Pack of 5)
      units
      LVCMOS, LVTTL - - Surface Mount 4 TSSOP 3 State 14 5.1 x 4.5 x 0.95mm Voltage Level Translator - .02mA -0.02mA BiCMOS
      RS Stock No. 787-6794
      Mfr. Part No.MC100LVELT23DG
      TWD159.00
      Each
      units
      ECL - - Surface Mount - SOIC LVDS 8 5 x 4 x 1.5mm Translator - 24mA -3mA LVPECL/LVDS to LVTTL