ADG3304 : WLCSP Package


I have a question about the datasheet of the ADG3304.

The figure is WLCSP package shown in datasheet P7.

The figure is WLCSP package shown in datasheet P19.

As for the two figures, the mark of the alphabet and the numeric character is different.

Is the figure in datasheet P19 wrong?

I will design based on the figure in datasheet P7.

Is this correct?



  • 0
    •  Analog Employees 
    on Mar 11, 2013 6:58 PM

    Hello Mr. K,

    The datasheet is currently being updated to change the figure on Pg7 to match the figure on Pg19. This is the standardised way of representing bump numbers on WLCSP.

    However only the bump numbers are changing; the pin functions and mnemonics will remain the same:

    Old = New = Mnemonic


    a1 = a1 = Y1

    a2 = b1 = Y2

    a3 = c1 = Y3

    a4 = d1 = Y4

    b1 = a2 = VCCY

    b2 = b2 = VCCA

    b3 = c2 = EN

    b4 = d2 = GND

    c1 = a3 = A1

    c2 = b3 = A2

    c3 = c3 = A3

    c4 = d3 = A4



  • 0
    •  Analog Employees 
    on Aug 2, 2018 4:48 PM
    This question has been assumed as answered either offline via email or with a multi-part answer. This question has now been closed out. If you have an inquiry related to this topic please post a new question in the applicable product forum.

    Thank you,
    EZ Admin