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Recent content by vasanth kumar

  1. V

    digital logic gate creation

    i1 i2 o/p ======== 0 0 0 0 1 X 1 0 X 1 1 1 this is my requirement. - - - Updated - - - with "AND" gate, for the inputs 0 and 1, 1 and 0 output is 0. but i need the previous output as the present output for those inputs.
  2. V

    digital logic gate creation

    hi there, there are two logic inputs i1 and i2. when both are 0 the output should be 0. and when both are 1, the output should be 1. in other conditions like 0 1 and 1 0, the previous state should be the output(dont care conditions). please help me with formula.
  3. V

    [SOLVED] function of d type latches

    but in 74ls373, once the latch enable signal goes low, the output is not changing in any case even the clk is fed high again. only way to reset it by reseting the ic completly.
  4. V

    [SOLVED] function of d type latches

    hello, as my understanding on d latch, if clk is high, the d input will result in the output. and when clk goes low, the output is latched. and again if the clk goes high, then d input reflects at the output. but in the case of 74ls373 latch ic, when the clk goes low once, the out is latched for...
  5. V

    why 8086 processor named as 8086?

    why only 4 memory segments can be accessed at a time. and also why a segment size will be from 16kb upto 64kb.
  6. V

    microprocessor 8085 doubt

    thank you prodigy!
  7. V

    microprocessor 8085 doubt

    hello, in 8085 microprocessor, accumulator is used to hold data as well as shifting. as it is a register, how it can shift data. also in 8086 cx register is additionally used to increment. how it is possible?. and one more doubt is, as rd, wr, Io/m signals are available, why the...
  8. V

    processor 8085 alp doubt

    when I was trying to find answer for the following question, I got the answer 1022. please help me with your answers also. find how many times the two JNZ are executed? LXI H, 0503h DCR L. : LOOP JNZ LOOP DCR H JNZ LOOP HLT :roll:
  9. V

    8085 microprocesor - data operations.

    hi there, let us take 8085 register A value is 00h, if we decrement it by 1 continuously, carry flag will set and A register value decreases from FF to 00h. even if we decrement, what will happen. please help.
  10. V

    source and sink current

    thanks for detailed explanation. could you please make sense with my example of 8085.
  11. V

    [SOLVED] doubt regard posting threads

    where shall I post questions related to microprocessor 8085. in microcontroller section or anywhere else?. please help.
  12. V

    source and sink current

    thanks, if both vss and vdd are connected to seperate output transistor, then what is the problem when both are turned on together. and also why they have different current carrying capacity in two directions.?
  13. V

    source and sink current

    sorry rohit. I googled but I couldnt get clearly. tats y I asked. anyway thanks. - - - Updated - - - how a conductor can source and sink different current. for ex. 8085 microprocessor buses can source 400microamps and sink 2milliamps of current.
  14. V

    source and sink current

    what is meant by source current and sink current. please explain..
  15. V

    references of 8085 processors

    suggest me some books and resourses to study deeply about microprocessors architecture and programming. Especially for 8085 and 8086. thanks in advance..
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