In Search of the Next Memory by Roberto Gastaldi & Giovanni Campardo

Author:Roberto Gastaldi & Giovanni Campardo
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

The main challenge for the SET pulse is to match the right crystallization temperature that is dependent on the cell characteristics and its parameters spread. To maximize the efficiency of the operation, it can be convenient to adopt a slow trailing edge at the end of the pulse. This guarantees that, even if the right crystallization temperature is lower than expected, the pulse will intercept it and stay around long enough to ensure that the crystallization process takes over: in other words, it ensures a better tracking of the cell’s variations due to technology. A linear slow-down is probably the simplest solution, and the width of the triangular section of the pulse is dominating the whole pulse width (or it could be a trapezoidal [6] pulse like depicted in Fig. 27).

Fig. 27Possible shape of a SET pulse

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