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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Mairre Free format text: C of the type which you already examined in practice preceding, connected one following the other. Electronic forum and Infos. One can thus conclude that when the entries J and K are both on the level Hthe rocker changes state each time a positive impulse arises on entry CLOCKi. You observe that L0 ignites, while L1 dies out. Mettez SW3 one moment on position 1 then again replace it on position 0. How to make a site? Figure 38 illustrates the time of presetting when the data to be memorized is on the level H.
Multi-phase clock generators that utilize differential signals to achieve reduced setup and hold times. This operating mode is at the base of much type of electronic systems of counting as you will see it thereafter.
Continuously to insert eslave slacken P0you note each time a bascle of state at exit. 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. The four following lines correspond to the four operating modes examined previously. K is certainly more flexible of employment than the rocker D mxitre present compared to the latter some characteristics which make it irreplaceable in certain applications.
Year of fee payment: Synchronization element for converting an asynchronous pulse signal into a synchronous pulse signal.
EPB1 – Circuit de bascule maître-esclave – Google Patents
The signal provided by the P0 button is applied directly to the entry of the second rocker and through a reverser to the entry of the first. In this case, these two entries must be jl to state 0 so that the clock signal is active. A1 Designated state s: Static page of welcome. Before the application of the second face going up of the clock, the entry J passes to state 1. There is thus swing of the exit Q which thus memorizes the data present in D at moment t1.
The functions of these fsclave will be checked directly by the handling which will follow. In practice, this time corresponds to the delay brought by the internal doors of the circuit. One thus stored the data in Q’. However, certain numerical assemblies require rockers whose exits commutate at one well defined moment.
It is the case of the rocker represented figure That indicates that examined rocker JK commutates on the rising face.
It is enough to replace J and K by: There are also rockers requiring a negative transition from clock, i. The two rockers are identical and as you can notice it, each one of these rockers has five entries. The binary data present on the entry D right before moment t1 are memorized at the Q’ exit since C’ passed from state 1 to state 0 at moment t1.
Operation describes above, relating to the examined integrated circuit, is also that of any rocker of the type J.
High of page Preceding page Following page. The figure 1-a represents a positive transition of L with H from a logical signal while the figure 1-b represents a negative transition of H with L from the signal.
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. Return to the synopsis. The entry D passes to the state 1 Juste before the eclave active face of the clock.
If this time is not respected, the data will not be taken into account by the circuit. The symbol which one can see in column CLOCK of the truth table indicates a positive transition from the clock signal. One speaks then about positive impulse. Application to the divider of frequency by 2.
Crosses X placed in boxes D and CLOCK mean that the state of these two entries does not affect any the state of the exits of the rocker. Its role is to memorize a logical data at one precise moment.
BASCULE JK MAÎTRE ESCLAVE – PDF Free Download
Baascule rocker which was with state 0 thus passes to state 1. The figure 2-a shows a positive transition from a logical signal followed maigre a negative transition. K3 This type of rocker was used to produce meters. CH Free format text: Since the entry of order C of the slave is carried to state 0the exits of doors NAND 5 and 6 are with state 1whatever the state of D.
EP0225075B1 – Circuit de bascule maître-esclave – Google Patents
It is the handing-over with 0 of the rocker which is thus carried out in a synchronous way in opposition to the entry CLEAR which it, esclaave priority and asynchronous. When the fourth positive face occurs, the entry D is with state 0. Right before the first active face of the clock, the entries J and K are to 0. In other words, as soon as the entry changes state, the exit also changes state.
Static page of welcome. Circuit and method for switching between digital signals that have different signal rates.