k4h280438d Samsung Semiconductor, Inc., k4h280438d Datasheet - Page 36

• Manufacturer Part Number: k4h280438d
• Description: 128mb D-die X4/8 Ddr Sdram
• Manufacturer: Samsung Semiconductor, Inc.

128Mb D-die(x4/8) DDR SDRAM
Current State
FRESHING
REGISTER
SETTING
MODE
RE-
CS
L
L
L
L
L
L
L
L
L
L
L
L
RAS CAS
H
H
H
H
L
L
L
L
L
L
L
L
H
H
H
H
H
H
L
L
L
L
L
L
Table 9-4. Functional truth table
WE
X
H
H
X
H
H
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
1 0
1 0
Address
- 36 -
10
10
Burst Stop
READ/WRITE
Active
PRE/PREA
Refresh
MRS
Burst Stop
READ/WRITE
Active
PRE/PREA
Refresh
MRS
Command
REV. 0.3 Jan.31. 2001
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Action