HY5DU561622ALT-K HYNIX [Hynix Semiconductor], HY5DU561622ALT-K Datasheet - Page 12

• Manufacturer Part Number: HY5DU561622ALT-K
• Description: 256M-S DDR SDRAM
• Manufacturer: HYNIX [Hynix Semiconductor]

Rev. 0.4/ May. 02
OPERATION COMMAND TRUTH TABLE-II
AUTOPRE-
AUTOPRE-
Current
CHARGE
CHARGE
CHARGE
WRITE
WRITE
State
WITH
READ
PRE-
/CS
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
L
L
L
L
X
L
L
L
L
X
L
L
L
L
X
L
L
L
L
/CAS
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
X
L
L
L
L
X
L
L
L
L
X
L
L
L
L
/WE
H
H
H
H
H
H
H
H
H
H
H
H
H
H
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
Address
OPCODE
OPCODE
OPCODE
OPCODE
BA, RA
BA, RA
BA, RA
BA, RA
BA, AP
BA, AP
BA, AP
BA, AP
X
X
X
X
X
X
X
X
X
X
X
X
X
WRITE/WRITEAP
WRITE/WRITEAP
WRITE/WRITEAP
READ/READAP
READ/READAP
READ/READAP
Command
AREF/SREF
AREF/SREF
AREF/SREF
AREF/SREF
PRE/PALL
PRE/PALL
PRE/PALL
PRE/PALL
DSEL
DSEL
DSEL
MRS
NOP
MRS
NOP
MRS
NOP
MRS
ACT
BST
ACT
BST
ACT
BST
ACT
NOP-Enter IDLE after tRP
NOP-Enter IDLE after tRP
NOP-Enter IDLE after tRP
HY5DU56422A(L)T
HY5DU56822A(L)T
HY5DU561622A(L)T
Term burst, precharge
Continue burst to end
Continue burst to end
Continue burst to end
Continue burst to end
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Action
4,10
4,10
4,10
4,10
4,10
4,10
4,10
11
11
10
10
11
11
10
10
11
11
11
11
4
4
12