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庫存編號 162-6475
      製造零件編號TXB0108RGYR
      HK$5.792
      個 (在毎卷:3000)
      單位
      - - - Surface Mount - QFN 3 State 20 4.5 x 3.5 x 0.8mm Voltage Level Translator - 0.02mA -0.02mA -
      RS庫存編號 806-2643
      製造零件編號MC100EPT21DG
      HK$77.56
      單位
      ECL - - Surface Mount - SOIC LVCMOS, LVTTL 8 5 x 4 x 1.5mm Translator - 24mA -3mA LVPECL/LVDS/CML to LVTTL/LVCMOS
      RS庫存編號 162-9970
      製造零件編號MC100ELT25DG
      HK$29.705
      毎管:98 個
      單位
      MC100 - - Surface Mount 1 SOIC TTL 8 5 x 4 x 1.5mm Translator - 24mA -3mA ECL to TTL
      RS庫存編號 732-7560
      製造零件編號DS2482S-800+
      HK$59.21
      單位
      - - I2C Surface Mount - SOIC - 16 10 x 4 x 1.5mm - Yes - - -
      RS庫存編號 162-6409
      製造零件編號TCA9406DCUR
      HK$3.613
      個 (在毎卷:3000)
      單位
      - - - Surface Mount 1 VSSOP 3 State 8 2.1 x 2.4 x 0.8mm Voltage Level Translator - 50mA -50mA -
      RS庫存編號 172-3400
      製造零件編號NLVSV1T34DFT2G
      HK$6.898
      /個 (每包:25個)
      單位
      NLSV - - Surface Mount - SC-88A Single Ended 5 2.2 x 1.35 x 1mm Voltage Level Translator - 24mA -24mA Dual Supply Translator