hy5du561622ct Hynix Semiconductor, hy5du561622ct Datasheet - Page 9

• Manufacturer Part Number: hy5du561622ct
• Description: 256m 16mx16 Gddr Sdram
• Manufacturer: Hynix Semiconductor

Rev. 1.3 / Feb. 2006
OPERATION COMMAND TRUTH TABLE - I
Current
ACTIVE
WRITE
State
READ
ROW
IDLE
/CS
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
/RAS
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
X
L
L
L
L
X
L
L
L
L
X
L
L
L
L
X
/CAS
H
H
H
H
H
H
H
H
H
H
H
H
H
H
X
L
L
L
L
X
L
L
L
L
X
L
L
L
L
X
L
L
/WE
H
H
H
H
H
H
H
H
H
H
H
H
H
H
X
X
X
X
L
L
L
L
L
L
L
L
L
L
L
L
L
L
BA, CA, AP
BA, CA, AP
BA, CA, AP
BA, CA, AP
BA, CA, AP
BA, CA, AP
BA, CA, AP
BA, CA, AP
Address
OPCODE
OPCODE
OPCODE
BA, RA
BA, RA
BA, RA
BA, AP
BA, AP
BA, AP
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
WRITE/WRITEAP
WRITE/WRITEAP
WRITE/WRITEAP
WRITE/WRITEAP
READ/READAP
READ/READAP
READ/READAP
READ/READAP
Command
AREF/SREF
AREF/SREF
AREF/SREF
PRE/PALL
PRE/PALL
PRE/PALL
DSEL
DSEL
DSEL
DSEL
NOP
MRS
NOP
MRS
NOP
MRS
NOP
ACT
ACT
BST
ACT
BST
BST
BST
Term burst, new read:optional AP
Term burst, new read:optional AP
Term burst, new write:optional AP
Auto Refresh or Self Refresh
1HY5DU561622CT
Begin write : optional AP
Begin read : optional AP
Term burst, precharge
Continue burst to end
Continue burst to end
Continue burst to end
Continue burst to end
NOP or power down
NOP or power down
Mode Register Set
Terminate burst
Row Activation
Precharge
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Action
NOP
NOP
NOP
11
11
11
11
4
4
4
4
4
4
4
7
3
3
6
6
5
8
8
9