HY5DU281622DLT HYNIX [Hynix Semiconductor], HY5DU281622DLT Datasheet - Page 11

• Manufacturer Part Number: HY5DU281622DLT
• Description: 128Mb-S DDR SDRAM
• Manufacturer: HYNIX [Hynix Semiconductor]

OPERATION COMMAND TRUTH TABLE-I
Rev. 0.0 / Apr. 2003
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
BST
BST
ACT
BST
ACT
BST
Term burst, new read:optional AP
Term burst, new read:optional AP
Term burst, new write:optional AP
Auto Refresh or Self Refresh
Begin write : optional AP
Begin read : optional AP
HY5DU28422D(L)T
HY5DU28822D(L)T
HY5DU281622D(L)T
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
11
8
8