K524G2GACB-A050 Datasheet, PDF (60/94 Pages) Samsung semiconductor – MCP MEMORY

K524G2GACB-A050
MCP MEMORY
Current State CS RAS CAS WE
Address
Command
Action
L
H
H
LX
Burst Stop
ILLEGAL
WRITE with
AUTO
L
H
L
H BA, CA, A10
L
H
L
L BA, CA, A10
RECHARGE⁷⁾
L
L
H
H BA, RA
(WRITEA)
L
L
H
L BA, A10
READ/READA 7)
WRITE/WRITEA 7)
Active
7)
PRE/PREA
7)
L
L
L
HX
Refresh
ILLEGAL
L
L
L
L Op-Code, Mode-Add MRS
ILLEGAL
L
H
H
LX
Burst Stop
ILLEGAL²⁾
L
H
L
X BA, CA, A10
READ/WRITE
ILLEGAL²⁾
PRECHARGING L
L
H
H BA, RA
(DURING tRP)
L
L
H
L BA, A10
Active
PRE/PREA
ILLEGAL²⁾
NOP⁴⁾(Idle after tRP)
L
L
L
HX
Refresh
ILLEGAL
L
L
L
L Op-Code, Mode-Add MRS
ILLEGAL
L
H
H
LX
Burst Stop
ILLEGAL²⁾
ROW
L
H
L
X BA, CA, A10
ACTIVATING
(FROM ROW
L
L
H
H BA, RA
ACTIVE TO
L
L
H
L ^{BA, A10}
tRCD)
L
L
L
HX
READ/WRITE
Active
PRE/PREA
Refresh
ILLEGAL²⁾
ILLEGAL²⁾
ILLEGAL²⁾
ILLEGAL
L
L
L
L Op-Code, Mode-Add MRS
ILLEGAL
L
H
H
LX
Burst Stop
ILLEGAL²⁾
L
H
L
H BA, CA, A10
WRITE
L
H
L
L BA, CA, A10
RECOVERING
(DURING tWR
L
L
H
H BA, RA
OR tCDLR)
L
L
H
L BA, A10
READ
WRITE
Active
PRE/PREA
ILLEGAL²⁾
WRITE
ILLEGAL²⁾
ILLEGAL²⁾
L
L
L
HX
Refresh
ILLEGAL
L
L
L
L Op-Code, Mode-Add MRS
ILLEGAL
L
H
H
LX
Burst Stop
ILLEGAL
RE-
FRESHING
L
H
L
X BA, CA, A10
L
L
H
H BA, RA
L
L
H
L BA, A10
READ/WRITE
Active
PRE/PREA
ILLEGAL
ILLEGAL
ILLEGAL
L
L
L
HX
Refresh
ILLEGAL
L
L
L
L Op-Code, Mode-Add MRS
ILLEGAL
L
H
H
LX
Burst Stop
ILLEGAL
MODE
REGISTER
SETTING
L
H
L
X BA, CA, A10
L
L
H
H BA, RA
L
L
H
L ^{BA, A10}
READ/WRITE
Active
PRE/PREA
ILLEGAL
ILLEGAL
ILLEGAL
L
L
L
HX
Refresh
L
L
L
L Op-Code, Mode-Add MRS
ILLEGAL
ILLEGAL
- 60 -
Revision 1.3
November 2009