hy5du561622efp Hynix Semiconductor, hy5du561622efp Datasheet - Page 10

• Manufacturer Part Number: hy5du561622efp
• Description: 256mb Ddr Sdram
• Manufacturer: Hynix Semiconductor

Rev. 1.1 / June 2006
SIMPLIFIED STATE DIAGRAM
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 te n d e d M o d e R e g is te r S e t
R E F S = E n te 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 t o R e f r e s h
A p p lie d
P o w e r
W r it e
W r it e A
P r e c h a r g
P R E A L L
P o w e r
E M R S
M R S
O n
e
W r it e A
W r it e
A c t iv e
P o w e r
D o w n
P R E
C K E L
W r it e
M R S
C K E H
P R E
W r it e A
P r e c h a r g
P R E A L L
A c t iv e
R o w
A C T
P R E
Id le
e
R e a d
R e a d A
R e a d A
C K E H
R E F S
C K E L = E n t e 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 ith A u t o p r e c h a r g e
P R E = P r e c h a r g e
P R E
R E F S X
R e a d
C K E L
R E F A
R e f r e s h
S e lf
P r e c h a r g
R e a d A
P o w e r
D o w n
B u r s t
R e a d
S t o p
e
R e a d A
HY5DU561622E(L)FP
HY5DU56822E(L)FP
R e f r e s h
C o m m a n d S e q u e n c e
A u t o
A u t o m a t ic S e q u e n c e
R e a d
10