IC42S16100-5T ICSI [Integrated Circuit Solution Inc], IC42S16100-5T Datasheet - Page 18
IC42S16100-5T
Manufacturer Part Number
IC42S16100-5T
Description
512K x 16 Bits x 2 Banks (16-MBIT) SYNCHRONOUS DYNAMIC RAM
Manufacturer
ICSI [Integrated Circuit Solution Inc]
Datasheet
1.IC42S16100-5T.pdf
(78 pages)
- Current page: 18 of 78
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IC42S16100
TWO BANKS OPERATION COMMAND TRUTH TABLE
18
Operation
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF
MRS
3. CA: A8,A9 = don't care.
Notes:
1. H: HIGH level input, L: LOW level input, X: HIGH or LOW level input, RA: Row Address, CA: Column
2. The device state symbols are interpreted as follows:
I
A
R
W
RP
WP
Any
Address
Idle (inactive state)
Row Active State
Read
Write
Read With Auto-Precharge
Write With Auto-Precharge
Any State
CS
CS
CS RAS
CS
CS
H
L
L
L
L
L
L
L
L
RAS
RAS
RAS CAS
RAS
H
H
H
H
X
L
L
L
L
CAS
CAS
CAS
CAS WE
X
H
H
H
H
L
L
L
L
WE
WE A11 A10 A9-A0
WE
WE
H
H
H
X
H
L
L
L
L
X
X
H
H
H
H
H
H
H
H
H
X
X
H
H
X
X
L
L
L
L
L
L
L
L
L
L
L
OPCODE
RA
RA
X
X
X
H
H
H
H
H
H
H
H
H
H
X
L
L
L
L
L
L
L
L
L
L
L
L
CA
CA
CA
CA
CA
CA
CA
CA
CA
CA
CA
CA
CA
CA
CA
CA
RA
RA
X
X
X
X
X
X
X
X
X
X
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
BANK 0 BANK 1
R/W/A/I
R/W/A/I
R/W/A/I
R/W/A
R/W/A
R/W/A
R/W/A
R/W/A
Previous State
R/W
R/W
R/W
R/W
Any
Any
Any
I/A
I/A
I/A
I/A
I/A
I/A
I/A
I/A
I/A
A
A
A
A
I
I
I
I
(1,2)
R/W/A/I
R/W/A/I
R/W/A/I
R/W/A
R/W/A
R/W/A
R/W/A
R/W/A
R/W
R/W
R/W
R/W
Any
Any
Any
I/A
I/A
I/A
I/A
I/A
I/A
I/A
I/A
I/A
A
A
A
A
I
I
I
I
BANK 0 BANK 1
R/W/A/I
Next State
Any
Any
Any
WP
WP
RP
RP
I/A
I/A
I/A
I/A
I/A
I/A
I/A
W
W
Integrated Circuit Solution Inc.
R
R
A
A
A
A
A
A
I
I
I
I
I
I
I
R/W/A/I
Any
Any
Any
WP
WP
RP
RP
I/A
I/A
I/A
I/A
I/A
I/A
I/A
W
W
A
R
R
A
A
A
A
A
I
I
I
I
I
I
I
DR024-0D 06/25/2004
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