k4x51163pc Samsung Semiconductor, Inc., k4x51163pc Datasheet - Page 21

• Manufacturer Part Number: k4x51163pc
• Description: 32m X16 Mobile-ddr Sdram
• Manufacturer: Samsung Semiconductor, Inc.

K4X51163PC - L(F)E/G
Functional truth table
PRECHARGING
RECOVERING
(DURING tRP)
(DURING tWR
Current State
(FROM ROW
ACTIVATING
ACTIVE TO
OR tCDLR)
WRITE
tRCD)
ROW
CS
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
RAS
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
CAS
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
WE
X
H
H
X
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
X
BA, CA, A10
BA, RA
BA, A10
X
Op-Code, Mode-Add
X
BA, CA, A10
BA, RA
BA, A10
X
Op-Code, Mode-Add
X
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
X
Op-Code, Mode-Add
Address
READ/WRITE
READ/WRITE
READ
WRITE
Burst Stop
Active
PRE/PREA
Refresh
MRS
Burst Stop
Active
PRE/PREA
Refresh
MRS
Burst Stop
Active
PRE/PREA
Refresh
MRS
Command
Mobile-DDR SDRAM
ILLEGAL
ILLEGAL
ILLEGAL
NOP
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
WRITE
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
*4
(Idle after tRP)
*2
*2
*2
*2
*2
*2
*2
*2
*2
*2
*2
Action
February 2006