Data Storage Method and Phase Change Memory

  • US 20170133089A1
  • Filed: 01/23/2017
  • Published: 05/11/2017
  • Est. Priority Date: 07/24/2014
  • Status: Active Grant
First Claim
Patent Images

1. A data storage method applying to a phase change memory, comprising:

  • obtaining a first to-be-stored data, wherein the first to-be-stored data is multi-bit data;

    generating a first erase pulse signal and a first write pulse signal according to the first to-be-stored data, wherein the first write pulse signal is a signal comprising at least two consecutive pulses, wherein the at least two consecutive pulses have a same amplitude, and wherein the amplitude of the at least two consecutive pulses is a value determined according to the first to-be-stored data;

    applying the first erase pulse signal to a storage unit of the phase change memory to allow the storage unit to switch to a crystalline state; and

    applying the first write pulse signal to the storage unit to allow the storage unit to switch to a first amorphous state corresponding to a first resistance value, wherein the first amorphous state represents the first to-be-stored data.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×