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    How many bits of memory does a ram-chipset with 12 address pins and 8 data pins have ?

    Question #25824. Asked by fishcakes. (Jan 02 03 12:19 AM)


    sequoianoir

    		Potentially 2 possible answers.
    Depends on whether the address lines are duplexed to achieve both column and row addressing.

    12 lines gives 2 (power 12) address = 4096.
    Times 8 bits = 32768 bits.
    However if the address lines are used with a column / row toggle then the number of bits is 32768 x 4096 = 134,217,728 (128 meg)

    Jan 02 03, 1:11 AM

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