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SN74CB3Q16244: Need Similar Part which accepts 1.8V Vdd

Praveen GD
Guru 57737 points
Part Number: SN74CB3Q16244
Other Parts Discussed in Thread: TS3A4751,

Hi Team,

Can you please suggest if we have a part similar to SN74CB3Q16244 but accept 1.8V and also cheaper. 

A 4 chip solution with IC like TS3A4751 is also fine but the overall cost of the solution needs to be cheaper than SN74CB3Q16244.  

Regards,

Praveen

  • 0
    TI__Mastermind 45420 points

    Praveen,

    I used the switch search tool on TI.com and filtered for Vdd min < 1.8, 1:1 SPST, and sorted the channel count greatest to least which yielded the 23 switches below.  It looks like your best option will be TS3A4751.   

    Thank you,

    Adam

  • 0 in reply to Adam Torma
    TI__Guru 57737 points
    Adam,

    Thanks for the reply. Apart from what you have set, I have also selected Channels >= 4 .
    This is because my requirement is to switch a bank of 4 digital inputs to only one of the four output banks just like the SN74CB3Q16244 functionality with inputs of each groups shorted to their respective input in all other groups.
    As you see there is no 16 channel part similar to SN74CB3Q16244 with 1.8V in the list. Is there a new part in pipeline?
    If there is no 1.8V, 16 Channel part then the option would be to use 8x 2 Channel or 4x 4 Channel IC's. But size and cost will be a challenge.
    So wanted to understand from you if there is cheaper, efficient way to implement this.

    Regards,
    Praveen
  • 0 in reply to Praveen GD
    TI__Mastermind 45420 points

    Praveen,

    Our new TMUX family of switches coming out next year will accept supply voltages from 1.65 to 5.5 V but  I don't know if we will release a 16 channel version until much later in the future.  Unfortunately, we will need to have a multi chip solution to achieve 16 channels that can support 1.8 V supply. 

    Thank you,

    Adam  

      

  • 0 in reply to Adam Torma
    TI__Guru 57737 points
    Thanks Adam for the inputs. So, for now we will use TS3A4751 for this requirement.

    Regards,
    Praveen GD