HY5DU323222Q Datasheet, PDF (10/29 Pages) Hynix Semiconductor – 32M(1Mx32) DDR SDRAM

1HY5DU323222Q
OPERATION COMMAND TRUTH TABLE - II
Current
State
WRITE
READ
WITH
AUTOPRE-
CHARGE
WRITE
AUTOPRE-
CHARGE
PRE-
CHARGE
/CS /RAS /CAS /WE Address
Command
L
L
H
H
BA, RA
ACT
L
L
H
L
BA, AP
L
L
L
H
X
PRE/PALL
AREF/SREF
L
L
L
L
OPCODE
MRS
H
X
X
X
X
DSEL
L
H
H
H
X
NOP
L
H
H
L
X
BST
L
H
L
H
BA, CA, AP
READ/READAP
L
H
L
L
BA, CA, AP WRITE/WRITEAP
L
L
H
H
BA, RA
ACT
L
L
H
L
BA, AP
PRE/PALL
L
L
L
H
X
AREF/SREF
L
L
L
L
OPCODE
H
X
X
X
X
L
H
H
H
X
L
H
H
L
X
MRS
DSEL
NOP
BST
L
H
L
H
BA, CA, AP
READ/READAP
L
H
L
L
BA, CA, AP WRITE/WRITEAP
L
L
H
H
BA, RA
ACT
L
L
H
L
BA, AP
PRE/PALL
L
L
L
H
X
AREF/SREF
L
L
L
L
OPCODE
H
X
X
X
X
L
H
H
H
X
L
H
H
L
X
MRS
DSEL
NOP
BST
L
H
L
H
BA, CA, AP
READ/READAP
L
H
L
L
BA, CA, AP WRITE/WRITEAP
L
L
H
H
BA, RA
L
L
H
L
BA, AP
ACT
PRE/PALL
L
L
L
H
X
AREF/SREF
L
L
L
L
OPCODE
MRS
Action
ILLEGAL⁴
Term burst, precharge
ILLEGAL¹¹
ILLEGAL¹¹
Continue burst to end
Continue burst to end
ILLEGAL
ILLEGAL¹⁰
ILLEGAL¹⁰
ILLEGAL^4,10
ILLEGAL^4,10
ILLEGAL¹¹
ILLEGAL¹¹
Continue burst to end
Continue burst to end
ILLEGAL
ILLEGAL¹⁰
ILLEGAL¹⁰
ILLEGAL^4,10
ILLEGAL^4,10
ILLEGAL¹¹
ILLEGAL¹¹
NOP-Enter IDLE after tRP
NOP-Enter IDLE after tRP
ILLEGAL⁴
ILLEGAL^4,10
ILLEGAL^4,10
ILLEGAL^4,10
NOP-Enter IDLE after tRP
ILLEGAL¹¹
ILLEGAL¹¹
Rev. 0.5 / Jun. 2005
10