EDS1232AHTA
Current state
/CS
H
/RAS /CAS /WE
Address
Command
DESL
Operation
Read with auto-
precharge
Continue burst to end and
precharge
×
×
×
×
Continue burst to end and
precharge
L
H
H
H
×
NOP
L
L
L
H
H
H
H
L
L
L
H
L
×
BST
ILLEGAL
BA, CA, A10
BA, CA, A10
READ/READA
WRIT/WRITA
ILLEGAL*3
ILLEGAL*3
Other bank active
L
L
H
H
BA, RA
ACT
ILLEGAL on same bank*2
L
L
L
H
L
L
L
L
L
H
L
L
BA, A10
PRE, PALL
REF, SELF
MRS
ILLEGAL*3
L
H
L
×
ILLEGAL
L
L
MODE
ILLEGAL
Write
×
×
×
×
DESL
Continue burst to end
Continue burst to end
Burst stop
H
H
H
H
H
H
L
H
L
×
NOP
×
BST
H
L
BA, CA, A10
BA, CA, A10
READ/READA
WRIT/WRITA
Term burst and New read
Term burst and New write
L
Other bank active
L
L
H
H
BA, RA
ACT
ILLEGAL on same bank*3
L
L
L
L
L
L
H
L
L
L
H
L
BA, A10
×
PRE, PALL
REF, SELF
MRS
Term burst write and Precharge*1
ILLEGAL
ILLEGAL
MODE
Write with auto-
precharge
Continue burst to end and
precharge
H
L
×
×
×
×
×
DESL
NOP
Continue burst to end and
precharge
H
H
H
L
L
L
H
H
H
H
L
L
L
H
L
×
BST
ILLEGAL
BA, CA, A10
BA, CA, A10
READ/READA
WRIT/WRITA
ILLEGAL*3
ILLEGAL*3
Other bank active
L
L
H
H
BA, RA
ACT
ILLEGAL on same bank*3
L
L
L
H
L
L
L
L
L
L
L
L
L
L
L
×
H
L
L
BA, A10
PRE, PALL
REF, SELF
MRS
ILLEGAL*3
H
L
×
ILLEGAL
L
MODE
ILLEGAL
×
×
×
DESL
Enter IDLE after tRC
Enter IDLE after tRC
ILLEGAL
ILLEGAL*4
ILLEGAL*4
ILLEGAL*4
ILLEGAL*4
ILLEGAL
Refresh (auto-refresh)
H
H
H
H
L
L
L
L
H
H
L
H
L
×
NOP
×
BST
H
L
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
×
READ/READA
WRIT/WRITA
ACT
L
H
H
L
H
L
PRE, PALL
REF, SELF
MRS
H
L
L
MODE
ILLEGAL
Data Sheet E1163E30 (Ver. 3.0)
17
ELPIDA [ ELPIDA MEMORY ]
