aux deux entrées d’une bascule DICE, il est possible de placer deux blocs combina- toires identiques .. est composé de deux verrous, un maître (master) et un esclave (slave). G.K. Maki, J.K. Hass, Q. Shi & J. Murguia. Circuit de verrouillage maître-esclave formé par un circuit de verrouillage maître USA * Rca Corp J-k’ flip-flop using direct. Elément de mémoire du type bascule maître-esclave, réalisé en technologie CMOS . Electron Horloger Bistabile logische kippschaltungsanordnung vom jk- typ.

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Figure 45 illustrates this time tpHL. Let us point out the operation of a rocker D latch. Forms maths Geometry Physics 1. Electronic forum and Infos. The rocker will be able from now on to commutate only on the positive face of the clock. This is not foreseeable and depends on the physical characteristics of the integrated circuit.

The taking into account of the logical data can be done either on a positive transition from L to Hor on a negative transition of H with L from the entry of order. K3 This type of rocker was used to produce meters.


Form of the perso pages. According to the logical level of those, the rocker commutates or remains in the state where it is. A new maitrr of the entry D towards the exit Q will take place at the time of the next face going up of the clock.

The electric jj of the circuit carried out is represented by the figure b. Date of ref document: It is enough to add a combinative network on the entry D see figure 30 to obtain rocker JK. Moreover, this rocker D has the advantage of being a little more economic and of consuming less energy than rocker J. The rocker thus commutates to pass in a state complementary to the preceding state, that is to say state 1.


CH Ref legal event code: A1 Designated state s: These rockers are synchronous because the taking into account of information, present on their entries, bascul carried out simultaneously at the time of the transition from a logical level to another from the entry from order. Indeed, the examined rocker has a synchronous operation as you will see it.

This operating mode is at the base of much type of electronic systems of counting escoave you will see it thereafter. L0 ignites and L1 dies out. The diagrams of the figures a and b are thus equivalent. Lapsed in a contracting state announced via postgrant inform. High of page Preceding page Following page. In other words, as soon as the entry changes state, the exit also changes state. The exit Q thus passes to state 1. The four following lines correspond to the four operating modes examined previously.

EP0225075B1 – Circuit de bascule maître-esclave – Google Patents

Figure 3 represents a clock signal provided by an oscillator of period T. Figure 37 illustrates the time of presetting t sep up when the data to be memorized is on the level L. You note that the state from the Q2 exits and 2 does not vary, which indicates that the changes of state of the entries J, K and CLOCK do eeclave determine any swing of the state of the exits.

The second active face of the clock does not have an action on the exit Q of the rocker since it takes place when entry CLEAR is active, therefore badcule. The exit Q remains with the state where it was right before the negative transition from C. The exit Q thus recopies the Q’ entry. Return to the synopsis. Static page of welcome.


There maigre also rockers JK at multiple entries.


There is thus swing of the exit Q which thus memorizes the data present in D at moment t1. The two rockers are identical and as you can notice it, each one of these rockers has five entries. Before the application of the second face going up of the clock, the entry J passes to state 1. C of the type which you already examined in practice preceding, connected one following the other. Master-slaveas you will see it during this handling, is the type of most flexible rocker of the employment among all those which you will have to examine.

All these differences are explained by differences in technological constitution. Indeed, a synchronous rocker lays out, in addition to the entry of clock, one or more entries of information.

One chose these terms to highlight the fact that the second rocker is controlled to the first as you will see it during this handling. Multi-phase clock generators that utilize differential signals to achieve reduced setup and hold times.