EDE1108AJBG-1J-F Datasheet, PDF (32/74 Pages) Elpida Memory – 1G bits DDR2 SDRAM

EDE1108AJBG-1, EDE1116AJBG-1
Current state
Write recovering
with auto
precharge
Refresh
Mode register
accessing
/CS /RAS /CAS /WE Address
Command
Operation
H×
×
×
×
DESL
Nop -> Precharging after tWR
L
H
H
H
×
NOP
Nop -> Precharging after tWR
L
HL
H BA, CA, A10 (AP)
READ/READA ILLEGAL
L
HL
L
BA, CA, A10 (AP)
WRIT/WRITA ILLEGAL
L
L
H H BA, RA
ACT
ILLEGAL
L
L
HL
BA
PRE
ILLEGAL
L
L
HL
A10 (AP)
PALL
ILLEGAL
L
L
L
H×
REF
ILLEGAL
L
L
L
H×
SELF
ILLEGAL
L
L
L
L
BA, MRS-OPCODE MRS
ILLEGAL
L
L
L
L
BA, EMRS-OPCODE EMRS (1) (2) ILLEGAL
H×
×
×
×
DESL
Nop -> Enter idle after tRFC
L
H
H
H
×
NOP
Nop -> Enter idle after tRFC
L
HL
H BA, CA, A10 (AP)
READ/READA ILLEGAL
L
HL
L
BA, CA, A10 (AP)
WRIT/WRITA ILLEGAL
L
L
H H BA, RA
ACT
ILLEGAL
L
L
HL
BA
PRE
ILLEGAL
L
L
HL
A10 (AP)
PALL
ILLEGAL
L
L
L
H×
REF
ILLEGAL
L
L
L
H×
SELF
ILLEGAL
L
L
L
L
BA, MRS-OPCODE MRS
ILLEGAL
L
L
L
L
BA, EMRS-OPCODE EMRS (1) (2) ILLEGAL
H×
×
×
×
DESL
Nop -> Enter idle after tMRD
L
H
H
H
×
NOP
Nop -> Enter idle after tMRD
L
HL
H BA, CA, A10 (AP)
READ/READA ILLEGAL
L
HL
L
BA, CA, A10 (AP)
WRIT/WRITA ILLEGAL
L
L
H H BA, RA
ACT
ILLEGAL
L
L
HL
BA
PRE
ILLEGAL
L
L
HL
A10 (AP)
PALL
ILLEGAL
L
L
L
H×
REF
ILLEGAL
L
L
L
H×
SELF
ILLEGAL
L
L
L
L
BA, MRS-OPCODE MRS
ILLEGAL
L
L
L
L
BA, EMRS-OPCODE EMRS (1) (2) ILLEGAL
Notes
1
1
1
1
Data Sheet E1733E31 (Ver.3.1)
32