Self Refresh Abort Fast Exit Self Refresh Row Hammer and LPDDR4 Target Row Refresh Electrical Specifications DDR3 SSTL DDR4 POD LPDDR3 HSUL LPDDR4 LVSTL IDD Power Management Active and Precharge Power Down LPDDR3 Deep Power Down, DDR4 Max Power Saving Mode Self Refresh, Temperature Compensated...
(min) +10ns - SRX to commands not requiring a locked DLL in Self Refresh ABORT tX- S_ABORT(mi n) tRFC4(mi n)+10ns - tRFC4(mi n)+10ns - tRFC4(mi n)+10ns - Exit Self Refresh to ZQCL,ZQCS and MRS (CL,CWL,WR,RTP and Gear Down) tXS_FAST (min) tRFC4(mi n)+10ns -...
•Self refresh mode •Low-power auto self refresh(LPASR) •Temperature controlled refresh(TCR) •Fine granularity refresh •Self refresh abort •Maximum power saving •Output driver calibration •Nominal,park,and dynamic on-die termination(ODT) ...
Self Refresh Timing Exit Reset from CKE HIGH to a valid command Exit Self Refresh to commands not requiring a locked DLL SRX to commands not requiring a locked DLL in Self Refresh ABORT Exit Self Refresh to ZQCL,ZQCS and MRS (CL,CWL,WR,RTP and Gear Down) Exit Self Refresh to commands...
Self Refresh Abort; Fine Granularity Refresh; Dynamic ODT (RTT_PARK & RTT_Nom & RTT_WR); Write Leveling; DQ Training via MPR; Programmable preamble is supported both of 1tCK and 2tCK mode; Command/Address (CA) Parity; Data bus write cyclic redundancy check (CRC); ...
•Multipurpose register READ and WRITE capability •Write leveling •Self refresh mode •Low-power auto self refresh (LPASR)•Temperature controlled refresh (TCR)•Fine granularity refresh •Self refresh abort •Maximum power saving •Output driver calibration •Nominal, park, and ...
Self re- fresh entry to exit timing with CA Parity enabled Valid Clock Requirement after Self Refresh Entry (SRE) or Power-Down Entry (PDE) tXPR tXS tXS_ABORT (min) tXS_FAST (min) tXSDLL tCKESR tCKESR_ PAR tCKSRE max (5nCK,tRFC( tRFC(im)in)+1 0ns tRFC4(min)+ 10ns tRFC4(...
•Selfrefreshabort •Maximumpowersaving •Outputdrivercalibration •Nominal,park,anddynamicon-dietermination (ODT)Notes:1.Notalloptionslistedcanbecombinedto defineanofferedproduct.Usethepart •Databusinversion(DBI)fordatabus catalogsearchonfor ...
Upon exit from Self-Refresh, the DDR4 SDRAM requires a minimum of one extra refresh command before it is put back into Self-Refresh Mode. This requirement remains the same irrespective of the setting of the MRS bit for self refresh abort. 9. Wait for tMOD, then DRAM is ready for next ...
Data Integrity - Auto Self Refresh (ASR) by DRAM built-in TS - Auto Refresh and Self Refresh Modes DRAM Access Bandwidth - Separated IO gating structures by Bank Groups - Self Refresh Abort - Fine Granularity Refresh Signal Synchronization - Write Leveling via MR settings1 - ...