Compteur modulo 10 pdf

The problem is that, when i implement my design to a fpga, my tool warns me that there may be a problem due to clock skew, because the clock is being generated after a combinational network two levels of and gates to. Commande magnetique installee en standard dans le compteur. Name size bytes manufacturer parameter 1 always equal to zero network type 1. Le nombre maximal detats possibles, ou modulo maximal, dun compteur est egal a 2n, ou n represente le nombre des bascules dans le compteur. Sep 04, 2017 compteur asynchrone modulo 10 a base des bascules jk. Utiliser les bascules jk 7476 pour donner les schemas des. On peut construire des compteurs pour obtenir une sequence dont le nombre. If we take the modulo 16 asynchronous counter and modified it with additional logic gates it can be made to give a decade divideby 10 counter output for use in standard decimal counting and arithmetic circuits. Revised february 2000 74ac163 74act163 synchronous presettable binary counter 74ac163 74act163 synchronous presettable binary counter general description the acact163 are highspeed synchronous modulo16 binary counters. Such counters are generally referred to as decade counters. Apr 04, 2009 i am making a modulo 10 counter because i need a 1 hz clock for my design the clock input to the counter is a 10 hz signal. Bcd counter circuit using the 74ls90 decade counter. The cd4017 is the one of the most popular decade counter divided by 10 counter. To make is a mod 10 counter, when the output is 1010 count 10 you need to reset the counters, so take outputs q4 and q2 connect it to to a nand gate so that when both are high,the counters are reset to zero.

It is a 5 stage divide by 10 johnson counter with 10 decoded outputs. Note that the jand kinputs are all set to the fixed value 1, so the flipflops toggle. I am making a modulo10 counter because i need a 1 hz clock for my design the clock input to the counter is a 10 hz signal. Avec 3 bascules on peut realiser 238 combinaisons et avec 4 bascules on peut. Cpt s0 s1 s2 s3 s4 horloge reset 110 corriges des tests n2 module architecture des ordinateurs filiere mi 1ere annee s2 202014 test n2 sujet n1. A decade counter requires resetting to zero when the output count.

They are synchronously presettable for application in programmable dividers and have two types. The various configurations of the modulo meter box allow it to be adapted to any environment. Modulo meter box equipped modular solution modulo is a range of rectangular meter boxes for inline water meters. It has a medium speed of operation, typically 5mhz. The counters four outputs are designated by the letter symbol q with a numeric subscript equal to the binary weight of the corresponding bit in the bcd counter circuits code. The 74ls90 counting sequence is triggered on the negative going edge of the clock signal, that is when the clock signal clk goes from logic 1 high to logic 0 low.

Question compteur synchrone modulo 3 bascules d forums. Compteur asynchrone exercice corrige fonctionnement du compteur 7490 compteur 7490 pdf compteur asynchrone modulo 10 bascule jk compteur synchrone modulo 8 compteur asynchrone modulo 6 compteur. Bascules, registres, compteurs, memoires circuit asynchrone. Jan 27, 2015 compteur asynchrone exercice corrige fonctionnement du compteur 7490 compteur 7490 pdf compteur asynchrone modulo 10 bascule jk compteur synchrone modulo 8 compteur asynchrone modulo 6 compteur.