k4x56323pi-wr000 Samsung Semiconductor, Inc., k4x56323pi-wr000 Datasheet - Page 18

• Manufacturer Part Number: k4x56323pi-wr000
• Description: 8m X32 Mobile Ddr Sdram
• Manufacturer: Samsung Semiconductor, Inc.

K4X56323PI - 7(8)E/G
20. Functional Truth Table
PRECHARGE
PRECHARGE
Current State
READ with
STANDBY
STANDBY
(READA)
ACTIVE
WRITE
READ
AUTO
6)
CS
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
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
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
CAS
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
WE
X
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
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, CA, A10
BA, RA
BA, A10
X
Op-Code, Mode-Add
X
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
X
X
BA, CA, A10
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
Op-Code, Mode-Add
Address
- 21 -
Burst Stop
READ/WRITE
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
Burst Stop
READ/READA
WRITE/WRITEA
Active
PRE/PREA
Refresh
MRS
Burst Stop
READ/READA
WRITE/WRITEA
Active
PRE/PREA
Refresh
MRS
Command
ILLEGAL
ILLEGAL
Bank Active, Latch RA
ILLEGAL
AUTO-Refresh
Mode Register Set
NOP
Begin Read, Latch CA,
Determine Auto-Precharge
Begin Write, Latch CA,
Determine Auto-Precharge
Bank Active/ILLEGAL
Precharge/Precharge All
ILLEGAL
ILLEGAL
Terminate Burst
Terminate Burst, Latch CA,
Begin New Read, Determine
Auto-Precharge
ILLEGAL
Bank Active/ILLEGAL
Terminate Burst, Precharge
ILLEGAL
ILLEGAL
ILLEGAL
Terminate Burst With DM=High,
Latch CA, Begin Read, Determine
Auto-Precharge
Terminate Burst, Latch CA,
Begin new Write, Determine Auto-
Precharge
Bank Active/ILLEGAL
Terminate Burst With DM=High,
Precharge
ILLEGAL
ILLEGAL
ILLEGAL
6)
ILLEGAL
6)
6)
ILLEGAL
ILLEGAL
Mobile DDR SDRAM
2)
2)
4)
3)
10)
Action
5)
3)
3)
5)
2)
2)
2)
June 2007
10)