N16D1618LPA Datasheet, PDF (14/27 Pages) NanoAmp Solutions, Inc. – 512K × 16 Bits × 2 Banks Low Power Synchronous DRAM

NanoAmp Solutions, Inc.
N16D1618LPA
Advance Information
Table 5: Function Truth Table
Current
Command
State
/CS /RAS /CAS /WE A11
A0-A10
Description
Action
Note
L
L
L
L
L
L
L
L
IDLE
L
H
L
H
L
H
H
X
L
L
L
L
L
L
L
L
ROW
ACTIVE
L
H
L
H
L
H
H
X
L
L
L
L
L
L
L
L
READ
L
H
L
H
L
H
H
X
L
L
L
L
L
L
L
L
WRITE
L
H
L
H
L
H
H
X
L
L OP CODE
Mode Register Set Set the Mode Register
14
L
HX
X
Auto or Self Refresh Start Auto or Self Refresh 5
H
L BA X
Precharge
No Operation
H
H BA Row Addr
Bank Active
Activate the Specific Bank
and Row
L
L BA Col Addr/A10 Write/Write AP
ILLEGAL
4
L
H BA Col Addr/A10 Read/Read AP
ILLEGAL
4
H
HX
X
NOP
NOP
3
X
XX
X
Device Deselect
NOP or Power Down
3
L
L OP CODE
Mode Register Set ILLEGAL
13,14
L
HX
X
Auto or Self Refresh ILLEGAL
13
H
L BA X
Precharge
Precharge
7
H
H BA Row Addr
Bank Active
ILLEGAL
4
L
L BA Col Addr/A10 Write/Write AP
Start Write : Optional
AP(A10 = H)
6
L
H BA Col Addr/A10 Read/Read AP
Start Read: Optional
AP(A10 = H)
6
H
HX
X
NOP
NOP
X
XX
X
Device Deselect
NOP
L
L OP CODE
Mode Register Set ILLEGAL
13,14
L
HX
X
Auto or Self Refresh ILLEGAL
13
H
L BA X
Precharge
Termination Burst :
Start the Precharge
H
H BA Row Addr
Bank Active
ILLEGAL
4
L
L BA Col Addr/A10 Write/Write AP
Termination Burst:
Start Write(AP)
8,9
L
H BA Col Addr/A10 Read/Read AP
Termination Burst:
Start Read(AP)
8
H
HX
X
NOP
Continue the Burst
X
XX
X
Device Deselect
Continue the Burst
L
L OP CODE
Mode Register Set ILLEGAL
13,14
L
HX
X
Auto or Self Refresh ILLEGAL
13
H
L BA X
Precharge
Termination Burst :
Start the Precharge
H
H BA Row Addr
Bank Active
ILLEGAL
4
L
L BA Col Addr/A10 Write/Write AP
Termination Burst:
Start Write(AP)
8,9
L
H BA Col Addr/A10 Read/Read AP
Termination Burst:
Start Read(AP)
8
H
HX
X
NOP
Continue the Burst
X
XX
X
Device Deselect
Continue the Burst
Stock No. 23395- Rev L 1/06
14
The specifications of this device are subject to change without notice. For latest documentation see http://www.nanoamp.com.