Patent ID: 9424918
Filing Date: 2016-08-23
CPC Classification: G11C

Claim Text:
1. A storage unit comprising: a storage device configured to store a resistance state, the resistance state being changeable between a first state and a second state; and a driving section, in an event of setting the resistance state to the first state, configured to apply a first pulse having a first polarity to the storage device, the driving section, in an event of setting the resistance state to the second state, configured to apply a second pulse having a second polarity to the storage device, wherein subsequent to the application of the second pulse, the driving section is configured to apply a third pulse having the first polarity and the second pulse again, wherein the first polarity and the second polarity are different from each other, and wherein the first state is a low-resistance state and the second state is a high-resistance state.