k4h281638d Samsung Semiconductor, Inc., k4h281638d Datasheet - Page 36
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k4h281638d
Manufacturer Part Number
k4h281638d
Description
128mb D-die X16 Ddr Sdram
Manufacturer
Samsung Semiconductor, Inc.
Datasheet
1.K4H281638D.pdf
(52 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
k4h281638d-TCA2
Manufacturer:
SAMSUNG
Quantity:
660
128Mb D-die(x16) DDR SDRAM
RECOVERING
(DURING tRP)
(DURING tWR
Current State
PRECHARG-
ACTIVATING
(FROM ROW
ACTIVE TO
OR tCDLR)
WRITE
tRCD)
ROW
ING
CS
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
RAS CAS
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
WE
Table 9-3. Functional truth table
X
H
H
X
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
X
BA, CA, A
BA, RA
BA, A
X
Op-Code, Mode-Add
X
BA, CA, A
BA, RA
BA, A
X
Op-Code, Mode-Add
X
BA, CA, A
BA, CA, A
BA, RA
BA, A
X
Op-Code, Mode-Add
1 0
1 0
1 0
Address
- 36 -
10
10
10
10
Burst Stop
READ/WRITE
Active
PRE/PREA
Refresh
MRS
Burst Stop
READ/WRITE
Active
PRE/PREA
Refresh
MRS
Burst Stop
READ
WRITE
Active
PRE/PREA
Refresh
MRS
Command
REV. 0.6 Oct. 21. 2002
ILLEGAL*2
ILLEGAL*2
ILLEGAL*2
NOP*4(Idle after
ILLEGAL
ILLEGAL
ILLEGAL*2
ILLEGAL*2
ILLEGAL*2
ILLEGAL*2
ILLEGAL
ILLEGAL
ILLEGAL*2
ILLEGAL*2
WRITE
ILLEGAL*2
ILLEGAL*2
ILLEGAL
ILLEGAL
Action
t
RP
)