EDE5116AJSE-LI Datasheet, PDF (31/76 Pages) Elpida Memory – 512M bits DDR2 SDRAM

EDE5116AJSE-LI
Current state
/CS /RAS /CAS /WE Address
Command
Operation
Note
Precharging
H×
×
×
×
DESL
Nop -> Enter idle after tRP
L
H
H
H
×
NOP
Nop -> Enter idle after tRP
L
H
L
H
BA, CA, A10 (AP)
READ/READA ILLEGAL
1
L HL
EOL _{Row activating}
L
L
H
L
L
H
L
L
H
L
L
L
L
L
L
L
L
L
L
L
L
H×
×
L HH
L HL
L HL
L
L
H
L
L
H
L
L
H
L
L
L
L
L
L
L
L
L
L
L
L
Write recovering H ×
×
L HH
L HL
L HL
L
L
H
L
L
H
L
L
H
L
L
L
L
L
L
L
L
L
L
L
L
L
BA, CA, A10 (AP)
WRIT/WRITA ILLEGAL
1
H BA, RA
ACT
ILLEGAL
1
L
BA
PRE
Nop -> Enter idle after tRP
L
A10 (AP)
PALL
Nop -> Enter idle after tRP
H×
REF
ILLEGAL
H×
SELF
ILLEGAL
L
BA, MRS-OPCODE
MRS
ILLEGAL
L
BA, EMRS-OPCODE EMRS (1) (2) ILLEGAL
×
×
DESL
Nop -> Enter bank active after
tRCD
H×
NOP
Nop -> Enter bank active after
tRCD
H BA, CA, A10 (AP)
READ/READA ILLEGAL
1, 5
L
BA, CA, A10 (AP)
WRIT/WRITA ILLEGAL
1, 5
H BA, RA
ACT
ILLEGAL
1
L
BA
PRE
ILLEGAL
L
A10 (AP)
PALL
ILLEGAL
H×
REF
ILLEGAL
H×
SELF
ILLEGAL
P^L
BA, MRS-OPCODE
MRS
ILLEGAL
L
BA, EMRS-OPCODE EMRS (1) (2) ILLEGAL
×
×
rH ×
DESL
NOP
Nop -> Enter bank active after
tWR
Nop -> Enter bank active after
tWR
H BA, CA, A10 (AP)
READ/READA ILLEGAL
1, 6
o _L
BA, CA, A10 (AP)
WRIT/WRITA New write
H BA, RA
ACT
ILLEGAL
1
L
BA
PRE
ILLEGAL
1
d L
A10 (AP)
PALL
ILLEGAL
H×
REF
ILLEGAL
H×
SELF
ILLEGAL
u ^L
BA, MRS-OPCODE
MRS
ILLEGAL
ct ^L
BA, EMRS-OPCODE EMRS (1) (2) ILLEGAL
Data Sheet E1171E40 (Ver. 4.0)
31