HM5225165B/HM5225805B/HM5225405B-75/A6/B6
Current state
CS
H
L
RAS CAS WE
Address
Command
DESL
Operation
NOP
Row active
×
×
×
×
×
H
H
H
L
H
L
H
H
L
NOP
NOP
L
BA, CA, A10 READ/READ A Begin read
L
L
BA, CA, A10 WRIT/WRIT A
Begin write
L
H
H
BA, RA
ACTV
Other bank active
ILLEGAL on same bank*3
L
L
L
H
L
L
L
H
L
L
BA, A10
PRE, PALL
REF, SELF
MRS
Precharge
L
H
L
×
ILLEGAL
L
L
MODE
ILLEGAL
Read
×
H
H
×
H
L
×
×
×
DESL
Continue burst to end
Continue burst to end
H
H
NOP
BA, CA, A10 READ/READ A Continue burst read to CAS
latency and New read
L
L
H
L
L
L
BA, CA, A10 WRIT/WRIT A
Term burst read/start write
H
H
BA, RA
ACTV
Other bank active
ILLEGAL on same bank*3
L
L
H
L
BA, A10
PRE, PALL
Term burst read and
Precharge
L
L
H
L
L
×
L
L
×
H
L
×
REF, SELF
MRS
ILLEGAL
ILLEGAL
MODE
Read with auto-
precharge
×
×
DESL
Continue burst to end and
precharge
L
H
H
H
×
NOP
Continue burst to end and
precharge
L
L
L
H
H
L
L
L
H
H
L
BA, CA, A10 READ/READ A ILLEGAL*4
BA, CA, A10 WRIT/WRIT A
ILLEGAL*4
H
BA, RA
ACTV
Other bank active
ILLEGAL on same bank*3
L
L
L
L
L
L
H
L
L
L
H
L
BA, A10
×
PRE, PALL
REF, SELF
MRS
ILLEGAL*4
ILLEGAL
ILLEGAL
MODE
Data Sheet E0082H10
15
ELPIDA [ ELPIDA MEMORY ]
