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SN74LVC16245A: difference between Transceivers and Voltage translators

Part Number: SN74LVC16245A
Other Parts Discussed in Thread: SN74AVCBH164245

Hello team,

I need to recommend a 16-bit transceiver for board-to-board transmission of control signal of CPLD.

I have a quick question about difference between SN74LVC16245ADGGR and SN74AVCBH164245GR.

I checked LVC  (low voltage cmos logic) and AVC (advanced low voltage cmos logic). And function looks similar for me. Both devices can transmit the signal in both way with each supply level.

But they are categorized into different device, Transceivers and Voltage translators. So my question is basically, what is the difference between Transceivers and Voltage translators?

Thank you in advance!

p.s. Could you please let me know the naming rule after AVCxxx, LVCxxx? Is any information included in the number after AVC, LVC, etc.?

  • Hello,

    You might find this video helpful regarding the naming conventions of parts: https://training.ti.com/anatomy-logic-part-number

    The SN74LVC16245A is a single supply device, intended to operate with the inputs and outputs at the same voltage. In other words, it is a logic transceiver.

    The SN74AVCBH164245 has two voltage supplies, indended to allow for different operating voltages on the A and B sides of the device. In other words, it is a voltage level translator.