IS42LS16800A ICSI [Integrated Circuit Solution Inc], IS42LS16800A Datasheet - Page 11

• Manufacturer Part Number: IS42LS16800A
• Description: 16Meg x 8, 8Meg x16 & 4Meg x 32 128-MBIT SYNCHRONOUS DRAM
• Manufacturer: ICSI [Integrated Circuit Solution Inc]

DQM TRUTH TABLE
IS42S81600A, IS42S16800A, IS42S32400A
IS42LS81600A, IS42LS16800A, IS42LS32400A
COMMAND TRUTH TABLE
Integrated Silicon Solution, Inc. — www.issi.com —
ADVANCED INFORMATION Rev. 00A
06/01/02
Note: H=V
Note: H=V
Function Symbol
Device deselect
No operation
Burst stop
Read
Read with auto precharge
Write
Write with auto precharge
Bank activate
Precharge select bank
Precharge all banks
Mode register set
Extended mode reg set
Function Symbol
Data write / output enable
Data mask / output disable
Upper byte write enable / output enable
Lower byte write enable / output enable
Upper byte write inhibit / output disable
Lower byte write inhibit / output disable
IH
IH
, L=V
, L=V
IL
IL
x= V
x= V
IH
IH
H
or V
or V
IL
IL
, V = Valid Data.
, V = Valid Data.
CKE
n – 1
H
×
H
H
H
H
H
H
H
H
H
H
n
×
L
H
×
×
×
×
×
×
×
×
×
CS
CS
CS
CS
CS
H
H
L
L
L
L
L
L
L
L
L
L
CKE
n-1
H
H
H
H
H
H
1-800-379-4774
RAS
RAS
RAS
×
H
H
H
H
H
H
L
L
L
L
L
RAS
RAS
n
×
×
×
×
×
×
×
H
H
L
L
L
L
H
H
H
L
L
CAS
CAS
CAS
CAS
CAS
DQM
U
L
H
L
×
H
×
×
×
L
H
H
L
L
H
L
L
L
L
WE
WE
WE
WE
WE
BA1
×
×
×
V
V
V
V
V
V
×
L
H
L
×
L
×
H
L
H
BA0
×
×
×
V
V
V
V
V
×
L
L
V
A10
×
×
L
H
L
H
V
L
H
L
L
ISSI
A11
A9 - A0
×
×
V
V
V
V
V
×
×
V
V
11
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