IC42S16800 ICSI [Integrated Circuit Solution Inc], IC42S16800 Datasheet - Page 12

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IC42S16800

Manufacturer Part Number
IC42S16800
Description
4(2)M x 8(16) Bits x 4 Banks (128-MBIT) SYNCHRONOUS DYNAMIC RAM
Manufacturer
ICSI [Integrated Circuit Solution Inc]
Datasheet

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IC42S81600/IC42S81600L
IC42S16800/IC42S16800L
OPERATION COMMAND TABLE
12
Current State Command
Idle
Row Active
Read
Write
Read With
Auto-
Precharge
DESL
NOP or BST
READ / READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
DESL
NOP or BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
Operation
NOP or Power-Down
NOP or Power-Down
Illegal
Row Active
Refresh or Self-Refresh
Illegal
Illegal
Illegal
Illegal
Illegal
NOP
Mode Register Set
NOP
NOP
Begin read : Determine AP
Begin write : Determine AP
Illegal
Precharge
Illegal
Continue burst to end
Continue burst to end
Burst stop
Term burst, new read : Determine AP
Term burst, start write : Determine AP
Illegal
Term burst, precharging
Illegal
Continue burst to end
Continue burst to end
Burst stop
Term burst, start read : Determine AP
Term burst, new write : Determine AP
Illegal
Term burst, precharging
Illegal
Continue burst to end
Continue burst to end
Illegal
Illegal
Illegal
Illegal
Illegal
Illegal
(3)
(3)
(3)
(3)
(3)
(11)
(11)
(3)
(11)
(1)
(6)
Row active
Row active
(2)
(2)
(9)
(4)
Row active
Row active
write recovering
write recovering
Precharging
Precharging
(5)
(5)
(7)
(7)
(7, 8)
(7, 8)
CS
CS
CS
CS
CS
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
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
Integrated Circuit Solution Inc.
RAS
RAS
RAS
RAS
RAS
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
X
L
L
L
L
X
L
L
L
L
X
L
L
L
L
X
L
L
L
L
X
L
L
L
L
CAS
CAS
CAS
CAS
CAS
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
X
L
L
L
L
X
L
L
L
L
X
L
L
L
L
X
L
L
L
L
X
L
L
L
L
WE
WE
WE
WE
WE
X
X
H
H
H
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
DR023-0E 6/11/2004
Address
X
X
BA, CA, A10
BA, CA, A10
BR, RA
BA, A10
X
Op-Code
X
X
BA, CA, A10
BA, CA, A10
BR, RA
BA, A10
X
Op-Code
X
X
X
BA, CA, A10
BA, CA, A10
BR, RA
BA, A10
X
Op-Code
X
X
X
BA, CA, A10
BA, CA, A10
BR, RA
BA, A10
X
Op-Code
X
X
X
BA, CA, A10
BA, CA, A10
BR, RA
BA, A10
X
Op-Code

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