IS42S16800B-7TI ISSI, Integrated Silicon Solution Inc, IS42S16800B-7TI Datasheet - Page 7

• Manufacturer Part Number: IS42S16800B-7TI
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: SDRAMr

Specifications of IS42S16800B-7TI

• Organization: 8Mx16
• Density: 128Mb
• Address Bus: 14b
• Access Time (max): 6/5.4ns
• Maximum Clock Rate: 143MHz
• Operating Supply Voltage (typ): 3.3V
• Package Type: TSOP-II
• Operating Temp Range: -40C to 85C
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Supply Current: 130mA
• Pin Count: 54
• Mounting: Surface Mount
• Operating Temperature Classification: Industrial
• Lead Free Status / Rohs Status: Not Compliant

DQM TRUTH TABlE
COMMAND TRUTH TABlE
Note: H=V
Note: H=V
Integrated Silicon Solution, Inc. — www.issi.com —
Rev. G
06/11/09
IS42S81600B, IS42S16800B
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
H
n
×
×
×
×
×
×
×
×
×
×
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
1-800-379-4774
n
×
×
×
×
×
×
CAS
H
H
H
H
H
×
L
L
L
L
L
L
L
WE
H
H
H
H
H
H
×
L
L
L
L
L
L
DQM
U
L
H
L
×
H
×
BA1
V
V
V
V
V
V
×
×
×
×
×
×
L
BA0
l
L
H
×
L
×
H
V
V
V
V
V
×
×
×
×
×
×
L
V
A10
H
H
V
H
×
×
×
L
L
L
×
×
L
A9 - A0
V
V
V
V
V
V
A11
×
×
×
×
×
×
×
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