IS42S16320B-6TL INTEGRATED SILICON SOLUTION (ISSI), IS42S16320B-6TL Datasheet - Page 8

• Manufacturer Part Number: IS42S16320B-6TL
• Description: 512M, 3.3v, SDRAM, 32Mx16, 166MHz, 54 Pin TSOP II (400 Mil) RoHS
• Manufacturer: INTEGRATED SILICON SOLUTION (ISSI)

DQM TRUTH TABLE
IS42S86400B, IS42S16320B
COMMAND TRUTH TABLE
Note: H=V
Note: H=V
8
Function
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
Function
Device deselect (DESL)
No operation (NOP)
Burst stop (BST)
Read
Read with auto precharge
Write
Write with auto precharge
Bank activate (ACT)
Precharge select bank (PRE) H
Precharge all banks (PALL)
CBR Auto-Refresh (REF)
Self-Refresh (SELF)
Mode register set (MRS)
ih
ih
, L=V
, L=V
il
il
x= V
x= V
ih
ih
or V
or V
il
il
, V = Valid Data.
, V = Valid Data.
n – 1
CKE
H
H
H
H
H
H
H
H
H
H
H
H
n
H
×
×
×
×
×
×
×
×
×
×
L
×
CS
H
L
L
L
L
L
L
L
L
L
L
L
L
CKE
n-1
H
H
H
H
H
H
RAS
H
H
H
H
H
H
×
L
L
L
L
L
L
n
×
×
×
×
×
×
CAS
H
H
H
H
H
×
L
L
L
L
L
L
L
Integrated Silicon Solution, Inc. — www.issi.com
WE
H
H
H
H
H
H
×
L
L
L
L
L
L
DQMH
L
H
L
×
H
×
BA1
V
V
V
V
V
V
×
×
×
×
×
×
L
BA0
DQML
L
H
×
L
×
H
V
V
V
V
V
×
×
×
×
×
×
L
V
A10
H
H
H
V
×
×
×
L
L
L
×
×
L
A9 - A0
A12, A11
×
×
×
V
V
V
V
V
×
×
×
×
V
Rev. 00F
08/11/08