ROW HAMMER TELEMETRY

ROW HAMMER TELEMETRY

An apparatus can include a number of memory devices and a memory controller coupled to one or more of the number of memory devices. The memory controller can include a row hammer detector. The memory controller can be configured increment for a first time period a row counter in a first data structu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Balluchi, Daniele, Hargan, Mohammed Ebrahim, Lal, Ankush, Chang, Chia Wei, Majumdar, Amitava, Nagendrakumar, Anandhavel, Caraccio, Danilo, Garner, Scott
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
INFORMATION STORAGE
PHYSICS
STATIC STORES
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Beschreibung
Zusammenfassung:An apparatus can include a number of memory devices and a memory controller coupled to one or more of the number of memory devices. The memory controller can include a row hammer detector. The memory controller can be configured increment for a first time period a row counter in a first data structure and a refresh counter. The memory controller can be configured to increment for a second time period a row counter in a second data structure and the refresh counter. The memory controller can be configured to determine that a value of the refresh counter exceeds a refresh threshold and responsive to the determination that the value of the refresh counter exceeds the refresh threshold, issue a notification.