NT5DS4M32EG Datasheet, PDF (26/46 Pages) NanoAmp Solutions, Inc. – 1M × 32 Bits × 4 Banks Double Data Rate Synchronous RAM With Bi-Directional Data Strobe and DLL

NanoAmp Solutions, Inc.
NT5DS4M32EG
Advance Information
Table 15: Function Truth Table
Current State
IDLE
/CS /RAS /CAS /WE
Address
H
X
L
H
L
H
L
H
L
L
L
L
L
L
L
L
H
X
L
H
L
H
X
XX
H
HX
H
LX
L
X B_A0, CA, A₈
H
H BA, RA
H
L BA, A8
L
HX
L
L
Op-Code,
Mode -Add
X
XX
H
HX
H
LX
L
H
L
H BA, CA, A8
ROW ACTIVE
L
H
L
L
L
L
L
L
L
L
H
X
L
H
L
H
L
L BA, CA, A8
H
H BA, RA
H
L BA, A8
L
HX
L
L
Op-Code,
Mode-Add
X
XX
H
HX
H
LX
READ
L
H
L
H
L
L
L
L
L
L
L
L
H
X
L
H
L
H
L
H
L
H BA, CA, A8
L
L BA, CA, A8
H
H BA, RA
H
L BA, A8
L
HX
L
L
Op-Code,
Mode-Add
X
XX
H
HX
H
LX
L
H BA, CA, A8
WRITE
L
H
L
L
L
L
L
L
L
L
L
L BA, CA, A8
H
H BA, RA
H
L BA, A8
L
HX
L
L
Op-Code,
Mode-Add
Command
DESEL
NOP
TERM
READ/WRITE
ACT
PRE/PREA
REFA
MRS
DESEL
NOP
TERM
READ/READA
WRITE/WRITEA
ACT
PRE/PREA
REFA
MRS
DESEL
NOP
TERM
READ/READA
WRITE/WRITEA
ACT
PRE/PREA
REFA
MRS
DESEL
NOP
TERM
READ/READA
WRITE/WRITEA
ACT
PRE/PREA
REFA
MRS
Action
NOP
NOP
NOP
ILLEGAL*2
Bank Active, Latch RA
NOP*4
AUTO-Refresh*5
Mode Register Set*5
NOP
NOP
NOP
Begin Read, Latch CA,
Determine Auto-Precharge
Begin Write, Latch CA,
Determine Auto-Precharge
ILLEGAL*2
Precharge/Precharge All
ILLEGAL
ILLEGAL
NOP(Continue Burst to END)
NOP(Continue Burst to END)
Terminate Burst
Terminate Burst, Latch CA, Begin
New Read, Determine
Auto-Precharge*3
ILLEGAL
ILLEGAL*2
Terminate Burst, Precharge
ILLEGAL
ILLEGAL
NOP (Continue Burst to END)
NOP (Continue Burst to END)
ILLEGAL
ILLEGAL
Terminate Burst, Latch CA,
Begin new Write, Determine
Precharge*3
ILLEGAL*2
Terminate Burst with DM-high
Precharge
ILLEGAL
ILLEGAL
Doc # 14-02-045 Rev A ECN 01-1118
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The specifications of this device are subject to change without notice. For latest documentation see http://www.nanoamp.com.