| Method | Details | |--------|---------| | | If you or your organization are JEDEC members, you can download the PDF for free from the JEDEC Standards Store (login → “My Standards”). | | Public Purchase | Non‑members can purchase a single‑user license on the JEDEC website: https://www.jedec.org/standards-documents → search “JESD79‑4D”. | | Free Drafts | Occasionally, JEDEC releases a draft version for public comment. Those drafts are freely downloadable but may lack final editorial changes. | | University/Research Access | Many university libraries subscribe to the IEEE/JEDEC digital standards collections. Check your institution’s e‑resource portal. | | Alternative Sources | Some chip‑vendor “memory‑controller” reference manuals embed key tables from JESD79‑4D. Use them for quick reference, but treat them as derived rather than the primary spec. |

: Covers a wide range of memory densities, from 2 Gb to 16 Gb per die.

: The document provides exhaustive data on AC/DC characteristics, ball/signal assignments, and packaging requirements. Where to Access the PDF

trr = 50 ns (Typical) measured at IF = 10 mA, VR = 6V, IR = 1 mA