k4h560838c Samsung Semiconductor, Inc., k4h560838c Datasheet - Page 35
k4h560838c
Manufacturer Part Number
k4h560838c
Description
Ddr Sdram Specification Version 0.6
Manufacturer
Samsung Semiconductor, Inc.
Datasheet
1.K4H560838C.pdf
(53 pages)
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256Mb C-die(x4/8) DDR SDRAM
PRECHARGE
RECHARGE
Current State
WRITE with
READ with
(WRITEA)
(READA)
WRITE
AUTO
AUTO
*7
*6
CS
L
L
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
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
L
L
W E
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
Table 9-2. Functional truth table
X
BA, CA, A
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
X
BA, CA, A
BA, CA, A
BA, RA
BA, A
X
Op-Code, Mode-Add
10
10
10
Address
- 35 -
1 0
1 0
1 0
1 0
1 0
1 0
Burst Stop
READ/READA
WRITE/WRITEA
Active
PRE/PREA
Refresh
MRS
Burst Stop
READ/READA
WRITE/WRITEA
Active
PRE/PREA
Refresh
MRS
Burst Stop
READ/READA
WRITE/WRITEA
Active
PRE/PREA
Refresh
MRS
Command
REV. 0.7 Jan. 31. 2002
ILLEGAL
Terminate Burst With DM=High,
Latch CA, Begin Read, Deter-
mine Auto-Precharge*3
Terminate Burst, Latch CA,
Begin new Write, Determine
Auto-Precharge*3
Bank Active/ILLEGAL*2
Terminate Burst With DM=High,
Precharge
ILLEGAL
ILLEGAL
ILLEGAL
*6
ILLEGAL
*6
*6
ILLEGAL
ILLEGAL
ILLEGAL
*7
*7
*7
*7
ILLEGAL
ILLEGAL
Action
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