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K4C89093AF-GCF5 Datasheet

  • K4C89093AF-GCF5

  • 288Mb x18 Network-DRAM2 Specification

  • 1469.39KB

  • 55頁

  • SAMSUNG   SAMSUNG

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K4C89183AF
Function Truth Table (Continued)
Current State
PD
n-1
H
H
H
H
H
L
H
H
Row Active for Read
H
H
L
H
H
Row Active for Write
H
H
L
H
H
Read
H
H
H
L
H
H
Write
H
H
H
L
H
H
Auto-Refreshing
H
H
H
L
H
H
Mode Register Accessing
H
H
H
L
H
L
L
L
n
H
H
H
L
L
X
H
H
L
L
X
H
H
L
L
X
H
H
H
L
L
X
H
H
H
L
L
X
H
H
H
L
L
X
H
H
H
L
L
X
X
L
H
H
CS
H
L
L
H
L
X
H
L
H
L
X
H
L
H
L
X
H
L
L
H
L
X
H
L
L
H
L
X
H
L
L
H
L
X
H
L
L
H
L
X
X
X
H
L
FN
X
H
L
X
X
X
X
X
X
X
X
X
X
X
X
X
X
H
L
X
X
X
X
H
L
X
X
X
X
H
L
X
X
X
X
H
L
X
X
X
X
X
X
X
Address
X
BA, UA
BA, UA
X
X
X
LA
Op-Code
X
X
X
LA
X
X
X
X
X
BA, UA
BA, UA
X
X
X
X
BA, UA
BA, UA
X
X
X
X
BA, UA
BA, UA
X
X
X
X
BA, UA
BA, UA
X
X
X
X
X
X
X
Command
DESL
RDA
WRA
PDEN
-
-
LAL
MRS/EMRS
PDEN
MRS/EMRS
-
LAL
REF
PDEN
REF (Self)
-
DESL
RDA
WRA
PDEN
-
-
DESL
RDA
WRA
PDEN
-
-
DESL
RDA
WRA
PDEN
-
-
DESL
RDA
WRA
PDEN
-
-
-
-
RDEX
-
NOP
Row activate for Read
Row activate for Write
Power Down Entry
Illegal
Refer to Power Down state
Begin read
Access to Mode Register
Illegal
Illegal
Invalid
Begin Write
Auto-Refresh
Illegal
Self-Refresh entry
Invalid
Continue burst read to end
Illegal
Illegal
Illegal
Illegal
Invalid
Data write & continue burst write to end
Illegal
Illegal
Illegal
Illegal
Invalid
NOP-> Idle after I
REFC
Illegal
Illegal
Self-Refresh entry
Illegal
Refer to Self-Refreshing state
Nop-> Idle after I
RSC
Illegal
Illegal
Illegal
Illegal
Invalid
Invalid
Maintain Power Down Mode
Exit Power Down Mode->Idle after t
PDEX
Illegal
12
11
11
11
11
10
Action
Notes
Idle
Power Down
Notes :
10. Illegal if any bank is not idle.
11. Illegal to bank in specified states : Function may be Legal in the bank indicated by bank Address (BA).
12. Illegal if t
FPDL
is not Stisfied.
- 22 -
REV. 0.7 Jan. 2005

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