ESMT
M14D5121632A (2H)
Operation Temperature Condition (TC) -40°C~95°C
Simplified States Diagram
Power-Up and
Initialization
Sequence
CKEL
OCD
calibration
Self
Refreshing
SRF
PR
CKEH
Idle
Settign
MRS
(E)MRS
REF
All banks
Refreshing
EMRS
precharged
CKEL
ACT
CKEL
CKEH
Precharge
Power-
Down
CKEL
CKEL
Activating
CKEL
Automatic Sequence
Command Sequence
Active
Power
-Down
CKEH
CKEL
Bank
Active
Read
Read
Write
Write
WRA
RDA
Read
Reading
Write
Write
RDA
WRA
WRA
RDA
PR, PRA
Reading
With
Auto Precharge
Writing
With
PR, PRA
PR, PRA
Auto Precharge
Precharging
CKEL = CKE LOW
CKEH = CKE HIGH
ACT = Activate
WR(A) = Write (with Auto Precharge)
RD(A) = Read (with Auto Precharge)
PR(A) = Precharge (All)
(E)MRS = (Extended) Mode Register Set
SRF = Enter Self Refresh
REF = Auto Refresh
Elite Semiconductor Memory Technology Inc.
Publication Date : Aug. 2011
Revision : 1.1
59/62
ESMT [ ELITE SEMICONDUCTOR MEMORY TECHNOLOGY INC. ]
