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. 103-9943
      Mfr. Part No.MAX3001EEUP+
      TWD160.20
      Each (In a Tube of 74)
      units
      LVCMOS, LVTTL - - Surface Mount 8 TSSOP 3 State 20 6.6 x 4.5 x 0.95mm Voltage Level Translator - 0.02mA -0.02mA BiCMOS
      RS Stock No. 186-8337
      Mfr. Part No.74LCX16245MTDX
      TWD65.00
      Each (In a Pack of 10)
      units
      LCX - - Surface Mount 1 TSSOP 3 State 48 12.5 x 6.1 x 0.9mm - - 24mA -24mA Bi-Directional
      RS Stock No. 186-9190
      Mfr. Part No.MC10H125PG
      TWD268.00
      Each (In a Pack of 2)
      units
      - - - Through Hole - PDIP TTL 16 19.69 x 7.11 x 4.95mm Translator - - - -
      RS Stock No. 186-9321
      Mfr. Part No.MC100ELT25DTG
      TWD159.50
      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. 186-8638
      Mfr. Part No.MC74HCT245ADWG
      TWD18.80
      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. 152-3692
      Mfr. Part No.74AVC4T245PW,118
      BrandNexperia
      TWD18.50
      Each (In a Pack of 10)
      units
      - - - Surface Mount - TSSOP - 16 5.1 x 4.5 x 0.95mm - - - - -
      RS Stock No. 186-8304
      Mfr. Part No.M74VHC1GT126DF2G
      TWD7.10
      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. 806-2680
      Mfr. Part No.MC100LVELT22DTG
      TWD157.00
      Each (In a Pack of 2)
      units
      ECL - - Surface Mount - TSSOP LVPECL 8 3.1 x 3.1 x 0.95mm Translator - - - LVTTL/LVCMOS to LVPECL
      RS Stock No. 186-7227
      Mfr. Part No.74AC244MTC
      TWD18.60
      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. 825-3467
      Mfr. Part No.SN74LVC2T45DCTR
      TWD18.80
      Each (In a Pack of 10)
      units
      LVC - - Surface Mount 1 SM 3 State 8 2.4 x 2.1 x 0.8mm Bus Transceiver - 32mA -32mA -
      RS Stock No. 197-7531
      Mfr. Part No.SN74LVC8T245PWR
      TWD15.50
      Each (On a Reel of 2000)
      units
      LVC - - - 1 TSSOP 3 State 24 - Translator - -32mA 32mA Bi-Directional
      RS Stock No. 732-7560
      Mfr. Part No.DS2482S-800+
      TWD224.00
      Each
      units
      - - I2C Surface Mount - SOIC - 16 10 x 4 x 1.5mm - Yes - - -
      RS Stock No. 162-8461
      Mfr. Part No.TXB0304RUTR
      TWD27.10
      Each (On a Reel of 3000)
      units
      - - - Surface Mount - UQFN 3 State 12 2.1 x 1.8 x 0.5mm Voltage Level Translator - 20µA -20µA -
      RS Stock No. 806-2655
      Mfr. Part No.MC100EPT23DTG
      TWD342.00
      Each
      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. 186-9328
      Mfr. Part No.MC14504BDTR2G
      TWD42.70
      Each (In a Pack of 10)
      units
      - - - Surface Mount - TSSOP TTL 16 5.1 x 4.5 x 1.05mm Level Shifter - - - -
      RS Stock No. 186-8366
      Mfr. Part No.74LCX244MTC
      TWD17.20
      Each (In a Pack of 25)
      units
      LCX - - Surface Mount 2 TSSOP 3 State 20 6.6 x 4.5 x 1.05mm Buffer - 24mA -24mA CMOS
      RS Stock No. 813-9266
      Mfr. Part No.74AVC1T45GW,125
      BrandNexperia
      TWD13.60
      Each (On a Tape of 20)
      units
      AVC - - Surface Mount - SC-88 3 State 6 2.2 x 1.35 x 1mm - - - - -
      RS Stock No. 732-9443
      Mfr. Part No.MAX3373EEKA+T
      TWD103.00
      Each
      units
      LVCMOS, LVTTL - - Surface Mount 2 SOT-23 3 State 8 3 x 1.75 x 1.3mm Voltage Level Translator - .02mA -0.02mA BiCMOS
      RS Stock No. 670-9728
      Mfr. Part No.FXLP34L6X
      TWD20.00
      Each (In a Pack of 5)
      units
      FXLP - - Surface Mount 1 MicroPak - 6 1.45 x 1 x 0.5mm Buffer - 2.6mA -2.6mA -
      RS Stock No. 662-9515
      Mfr. Part No.CD40109BPW
      TWD17.60
      Each (In a Pack of 5)
      units
      4000 - - Surface Mount - TSSOP 3 State 16 5 x 4.4 x 1.15mm Voltage Level Shifter - 4.2mA -4.2mA -