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. 817-5644
      Mfr. Part No.TXB0304RUTR
      HK$7.55
      Each (On a Tape of 10)
      units
      - - - Surface Mount - UQFN 3 State 12 2.1 x 1.8 x 0.5mm Voltage Level Translator - 20µA -20µA -
      RS Stock No. 787-6750
      Mfr. Part No.MC100EPT20DTG
      HK$94.07
      Each
      units
      LVCMOS, LVTTL - - Surface Mount - TSSOP PECL 8 3.1 x 3.1 x 1.1mm Translator - - - LVTTL/LVCMOS to LVPECL
      RS Stock No. 808-4065
      Mfr. Part No.MC100EPT25DTG
      HK$78.62
      Each
      units
      - - - Surface Mount - TSSOP Differential 8 3.1 x 3.1 x 0.95mm Translator - 24mA -3mA ECL to LVTTL
      RS Stock No. 145-4071
      Mfr. Part No.MC100LVELT22DG
      HK$29.705
      Each (In a Tube of 98)
      units
      LVCMOS, LVTTL - - Surface Mount - SOIC LVPECL 8 5 x 4 x 1.5mm Translator - - - LVTTL/LVCMOS to LVPECL
      RS Stock No. 709-9026
      Mfr. Part No.TXB0104PWR
      HK$8.62
      Each (In a Pack of 5)
      units
      - - - Surface Mount - TSSOP 3 State 14 5 x 4.4 x 1.15mm Voltage Level Translator - 0.02mA -0.02mA -
      RS Stock No. 163-0015
      Mfr. Part No.MC10EPT20DTG
      HK$57.999
      Each (In a Tube of 100)
      units
      CMOS, TTL - - Surface Mount - TSSOP PECL 8 3.1 x 3.1 x 0.95mm Translator - - - LVCMOS to LVPECL, LVTTL to LVPECL
      RS Stock No. 197-7609
      Mfr. Part No.TXS0102DCTT
      HK$5.83
      Each (In a Pack of 25)
      units
      CMOS - - - 1 SM8 - 8 - - - - - Bi-Directional
      RS Stock No. 186-7294
      Mfr. Part No.MC74HCT245ADWG
      HK$4.172
      Each (In a Tube of 38)
      units
      HCT - - Surface Mount 1 SOIC 3 State 20 12.95 x 7.6 x 2.4mm Bus Transceiver - 6mA 6mA -
      RS Stock No. 163-0513
      Mfr. Part No.MC10EPT20DG
      HK$66.806
      Each (In a Tube of 98)
      units
      ECL - - Surface Mount 1 SOIC Differential 8 5 x 4 x 1.5mm Translator - - 50mA LVCMOS to LVPECL, LVTTL to LVPECL
      RS Stock No. 186-7247
      Mfr. Part No.74LVTH125MTCX
      HK$1.576
      Each (On a Reel of 2500)
      units
      LVTH - - Surface Mount 1 TSSOP 3 State 14 5.1 x 4.5 x 1.05mm Buffer - 64mA -32mA -
      RS Stock No. 663-1644
      Mfr. Part No.SN74AVC8T245PW
      HK$13.21
      Each (In a Pack of 5)
      units
      AVC - - Surface Mount 1 TSSOP - 24 7.8 x 4.4 x 1.15mm Bus Transceiver - 12mA -12mA -
      RS Stock No. 162-8697
      Mfr. Part No.SN74AUP1T34DCKR
      HK$1.706
      Each (On a Reel of 3000)
      units
      AUP - - Surface Mount 1 SC-70 - 5 2.15 x 1.4 x 1mm Translator - 6mA -6mA -
      RS Stock No. 166-3568
      Mfr. Part No.FXMAR2102L8X
      HK$2.462
      Each (On a Reel of 5000)
      units
      FXMA - - Surface Mount 1 MicroPak 3 State 8 1.6 x 1.6 x 0.5mm Voltage Level Translator - 50mA -50mA -
      RS Stock No. 186-8638
      Mfr. Part No.MC74HCT245ADWG
      HK$4.172
      Each (In a Pack of 25)
      units
      HCT - - Surface Mount 1 SOIC 3 State 20 12.95 x 7.6 x 2.4mm Bus Transceiver - 6mA 6mA -
      RS Stock No. 189-7445
      Mfr. Part No.MAX3378EEUD+
      HK$30.055
      Each (In a Tube of 96)
      units
      LVCMOS, LVTTL - - Surface Mount 4 TSSOP 3 State 14 5.1 x 4.5 x 0.95mm Voltage Level Translator - 0.02mA -0.02mA BiCMOS
      RS Stock No. 806-2659
      Mfr. Part No.MC100EPT24DG
      HK$78.62
      Each
      units
      ECL - - Surface Mount - SOIC LVECL 8 5 x 4 x 1.5mm Translator - - - LVTTL/LVCMOS to LVECL
      RS Stock No. 197-7607
      Mfr. Part No.TXS0102DCTT
      HK$4.182
      Each (On a Reel of 250)
      units
      CMOS - - - 1 SM8 - 8 - - - - - Bi-Directional
      RS Stock No. 172-3308
      Mfr. Part No.NLVSV1T34DFT2G
      HK$3.494
      Each (On a Reel of 3000)
      units
      NLSV - - Surface Mount - SC-88A Single Ended 5 2.2 x 1.35 x 1mm Voltage Level Translator - 24mA -24mA Dual Supply Translator
      RS Stock No. 825-3460
      Mfr. Part No.SN74AVCH4T245RSVR
      HK$8.537
      Each (In a Pack of 10)
      units
      AVCH - - Surface Mount 1 UQFN 3 State 16 2.65 x 1.85 x 0.5mm Bus Transceiver - 12mA -12mA -
      RS Stock No. 864-5002
      Mfr. Part No.FXL2TD245L10X
      HK$4.43
      Each (On a Reel of 5000)
      units
      FXL - - Surface Mount 14 MicroPak - 10 2.1 x 1.6 x 0.5mm Translating Transceiver - 24mA -24mA -