BIPOLAR DECODER FOR CROSSPOINT MEMORY

A memory device including a memory array and address lines; and decoder circuitry to apply a first bias to a WL coupled to a memory cell selected for a memory operation, a second bias to a BL coupled to the selected memory cell, and one or more neutral biases to the other BLs and WLs of the memory a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Kau, DerChang, Taub, Mase J, Shah, Ashir G, Guliani, Sandeep Kumar, Srinivasan, Balaji
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A memory device including a memory array and address lines; and decoder circuitry to apply a first bias to a WL coupled to a memory cell selected for a memory operation, a second bias to a BL coupled to the selected memory cell, and one or more neutral biases to the other BLs and WLs of the memory array; wherein the decoder circuitry comprises a plurality of bias circuits coupled to the address lines, a first bias circuit of the plurality of bias circuits comprising a transistor pair and an additional transistor coupled to an address line of the plurality of address lines, wherein the bias circuit is to apply, to the address line, the first bias through the transistor pair in a first state, the second bias through the transistor pair in a second state, and the neutral bias through the additional transistor in a third state.