IS42S16800A7TLTR ISSI, Integrated Silicon Solution Inc, IS42S16800A7TLTR Datasheet - Page 6

• Manufacturer Part Number: IS42S16800A7TLTR
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: SDRAMr

Specifications of IS42S16800A7TLTR

• 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: 0C to 70C
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Supply Current: 150mA
• Pin Count: 54
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / Rohs Status: Compliant

DQM TRUTH TABLE
COMMAND TRUTH TABLE
IS42S16800A
6
Note: H=V
Note: H=V
Function Symbol
Device deselect
No operation
Burst stop
Read
Read with auto precharge H
Write
Write with auto precharge H
Bank activate
Precharge select bank
Precharge all banks
Mode register 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
or V
or V
IL
IL
, V = Valid Data.
, V = Valid Data.
CKE
n – 1
H
H
H
H
H
H
H
H
H
n
×
×
H
×
×
×
×
×
×
×
×
CS
CS
CS
H
L
L
L
L
L
L
L
L
L
L
CS
CS
CKE
n-1
H
H
H
H
H
H
RAS
RAS
RAS
RAS
RAS
×
H
H
H
H
H
H
L
L
L
L
n
×
×
×
×
×
×
×
H
H
L
L
L
L
H
H
H
L
CAS
CAS
Integrated Silicon Solution, Inc. — www.issi.com
CAS
CAS
CAS
DQM
U
L
H
L
×
H
×
×
H
L
H
H
L
L
H
L
L
L
WE
WE
WE
WE
WE
BA1
×
×
×
V
V
V
V
V
V
×
L
L
L
H
×
L
×
H
BA0
×
×
×
V
V
V
V
V
×
L
V
A10
×
×
×
L
H
L
H
V
L
H
L
A11
A9 - A0
×
×
V
V
V
V
V
×
×
V
06/01/07
Rev. A