Logic Diagram Of 2 To 4 Line Decoder

















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Logic Diagram Of 2 To 4 Line Decoder - span class news dt oct 16 2018 span nbsp 0183 32 an encoder is a binational circuit which basically performs the reverse operation of the decoder an encoder has 2 n or fewer numbers of inputs and n number of output lines the outputs generated by the encoder are the binary code for the 2 n input variables circuit design of 4 to 16 decoder using 3 to 8 decoder a decoder circuit of the higher bination is obtained by adding two or more lower binational circuits 4 to 16 decoder circuit is obtained from two 3 to 8 decoder circuits or three 2 to 4 decoder circuits when two 3 to 8 decoder circuits are bined the enable pin acts as the input for both the decoders an arithmetic logic unit alu is a binational digital electronic circuit that performs arithmetic and bitwise operations on integer binary numbers this is in contrast to a floating point unit fpu which operates on floating point numbers an.
alu is a fundamental building block of many types of puting circuits including the central processing unit cpu of puters fpus and arithmetic and logic unit alu alu is responsible to perform the operation in the puter the basic operations are implemented in hardware level alu is read more 187 the 4000 series is a cmos logic family of integrated circuits ics first introduced in 1968 by rca almost all ic manufacturers active during this initial era fabricated models for this series it there are many ics in the 4000 series and this page only covers a selection concentrating on the most useful gates counters decoders and display drivers for each ic there is a diagram showing the pin arrangement and brief notes explain the function of the pins where necessary 74hc148 8 to 3 line encoder the 74hc148 also uses priority encoding and features eight active low inputs and a three bit active low binary.
octal output the internal logic of the 74hc148 is shown in fig 4 4 2 the ic is enabled by an active low enable input ei and an active low enable output eo is provided so that several ics can be connected in cascade allowing the encoding of more

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