JEDEC JESD 209-4
Low Power Double Data Rate 4X (LPDDR4X)
| Organization: | JEDEC |
| Publication Date: | 1 February 2021 |
| Status: | active |
| Page Count: | 62 |
scope:
This document defines the LPDDR4 standard, including features, functionalities, AC and DC characteristics, packages, and ball/signal assignments. The purpose of this specification is to define the minimum set of requirements for a JEDEC compliant 16 bit per channel SDRAM device with either one or two channels. LPDDR4 dual channel device density ranges from 4 Gb through 32 Gb and single channel density ranges from 2 Gb through 16 Gb. This document was created using aspects of the following standards: DDR2 (JESD79-2), DDR3 (JESD79-3), DDR4 (JESD79-4), LPDDR (JESD209), LPDDR2 (JESD209-2) and LPDDR3 (JESD209-3).
Each aspect of the standard was considered and approved by committee ballot(s). The accumulation of these ballots was then incorporated to prepare the LPDDR4 standard.
This addendum defines LPDDR4X specifications that supersede the LPDDR4 Standard (JESD209-4) to enable low VDDQ operation of LPDDR4X devices to reduce power consumption.
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