scope:

This document defines the Low Power Double Data Rate (LPDDR) SDRAM specification, including features, functionality, AC and DC characteristics, packages, and pin assignments. This scope may be expanded in future to also include other higher density devices.

The purpose of this Specification is to define the minimum set of requirements for JEDEC compliant 128 Mb through 1 Gb for x16 and x32 Low Power Double Data Rate SDRAM devices. System designs based on the required aspects of this specification will be supported by all LPDDR SDRAM vendors providing compliant devices.

This specification was created based on the DDR-I specification (JESD79) and some aspects of the DDR2 specification (JESD79-2) where shared technology suggested commonality provided benefits. Each aspect of the changes for low power operation were considered and balloted. The accumulation of these ballots were then incorporated to prepare this LPDDR SDRAM specification, replacing whole sections and incorporating the changes into Functional Description and Operation.