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AS Level     Logic     Algebra     >Bistable Latch<     Karnaugh Maps     Multiplexing     NOR Array     Propagation Delay    

Logic Bistable Latch


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  AS Level    Combinational Logic  0 of 26    Question 921    Gate Arrays 
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Deadline not set1 of 26    Question 927    Gate Arrays 
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Deadline not set2 of 26    Question 928    Gate Arrays 
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Deadline not set5 of 26    Question 931    Gate Arrays 
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Deadline not set6 of 26    Question 934    Karnaugh Maps 
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Deadline not set7 of 26    Question 935    Karnaugh Maps 
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Deadline not set8 of 26    Question 936    Karnaugh Maps 
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Deadline not set9 of 26    Question 937    Karnaugh Maps 
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Deadline not set10 of 26    Question 938    Karnaugh Maps 
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Deadline not set11 of 26    Question 939    Karnaugh Maps 
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Deadline not set12 of 26    Question 940    Karnaugh Maps 
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Deadline not set13 of 26    Question 941    Karnaugh Maps 
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Deadline not set14 of 26    Question 942    Karnaugh Maps 
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Deadline not set15 of 26    Question 943    Karnaugh Maps 
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Deadline not set16 of 26    Question 122    Logic Gate Rules 
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Deadline not set17 of 26    Question 123    Logic Gate Rules 
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Deadline not set18 of 26    Question 124    Logic Gate Rules 
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Deadline not set19 of 26    Question 125    Logic Gate Rules 
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Deadline not set20 of 26    Question 146    Logic Gate Rules 
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Deadline not set21 of 26    Question 573    Truth Tables 
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Deadline not set22 of 26    Question 576    Truth Tables 
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Deadline not set23 of 26    Question 577    Truth Tables 
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Deadline not set24 of 26    Question 126    Truth Tables 
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Deadline not set25 of 26    Question 127    Truth Tables 
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Deadline not set26 of 26    Question 128    Truth Tables 
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Deadline not set  Questions 0 to 26   -->  View All  

Bistable Latch (Debouncer)

Also known as

Not S Not R Q Not Q Comment
0 0 1 1 Unstable. Wil set or reset as soon as Not S or Not R goes high again.
0 1 1 0 If Not S is low, Q goes high and Not Q goes low.
1 0 0 1 If Not R is low, Not Q goes high and Q goes low.
1 1 0 or 1 1 or 0 Circuit remains in its previous stable state.

Here is the full circuit diagram and two alternative ways to draw the latch.

Bistable Latch    Alternative Diagrams for a Bistable Latch

Subject Name     Level     Topic Name     Question Heading     First Name Last Name Class ID     User ID    

fff
Home
<<<
ppw
Pg Up
<<
ppp
Up
<
|||

>|<
nnn
Down
>
nnw
Pg Down
>>
lll
End
>>>

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