H5DU2562GFR
SIMPLIFIED STATE DIAGRAM
Pow er
A p p lie d
Pow er
On
P re c h a rg
e
PREALL
REFS
REFSX
MRS
EM RS
MRS
S e lf
R e fre s h
Id le
REFA
A u to
R e fre s h
CKEL
CKEH
A c t iv e
Power
Down
ACT
P re c h a rg
e
Pow er
Down
CKEH
CKEL
B u rs t
S to p
Read
Read
W r it e A
W r it e
Read A
Read
Read
Row
A c t iv e
W r it e
W r it e
W r it e A
Read A
W r it e A
PRE
PRE
PRE
Read A
Read A
PRE
P re c h a rg
e
PREALL
A u t o m a t ic S e q u e n c e
C om m and Sequence
P R E A L L = P r e c h a r g e A ll B a n k s
M R S = M o d e R e g is t e r S e t
E M R S = E x t e n d e d M o d e R e g is t e r S e t
R E F S = E n t e r S e lf R e f r e s h
R E F S X = E x it S e lf R e f r e s h
R E F A = A u to R e f r e s h
C K E L = E n te r P o w e r D o w n
C K E H = E x it P o w e r D o w n
A C T = A c t iv e
W r it e A = W r it e w it h A u t o p r e c h a r g e
R e a d A = R e a d w it h A u t o p r e c h a r g e
P R E = P re c h a rg e
Rev. 1.1 /Sep. 2007
9
HYNIX [ HYNIX SEMICONDUCTOR ]
