IS42S16800A-6T-TR ISSI, Integrated Silicon Solution Inc, IS42S16800A-6T-TR Datasheet - Page 9

• Manufacturer Part Number: IS42S16800A-6T-TR
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: SDRAMr

Specifications of IS42S16800A-6T-TR

• Organization: 8Mx16
• Density: 128Mb
• Address Bus: 14b
• Access Time (max): 5.4ns
• Maximum Clock Rate: 166MHz
• 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: 165mA
• Pin Count: 54
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / Rohs Status: Not Compliant

IS42S16800A
Read with auto
Precharging
Precharge
Precharging
Write with Auto
Precharge
Precharging
Row Activating
Integrated Silicon Solution, Inc. — www.issi.com
Rev. A
06/01/07
FUNCTIONAL TRUTH TABLE Continued:
Note: H=V
IH
, L=V
IL
x= V
CS
CS
CS
CS
CS
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
IH
or V
H
H
H
H
L
L
L
L
H
H
H
H
L
L
L
L
×
H
H
H
H
L
L
L
L
H
H
H
H
L
L
L
L
×
×
×
RAS
RAS
RAS CAS
RAS
RAS
IL
, V = Valid Data, BA= Bank Address, CA+Column Address, RA=Row Address, OC= Op-Code
CAS
CAS
CAS
CAS
×
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
×
H
H
L
L
H
H
L
L
×
H
H
L
L
H
H
L
L
×
×
H
L
H
L
H
L
H
L
×
H
L
H
L
H
L
H
L
×
H
L
H
L
H
L
H
L
×
H
L
H
L
H
L
H
L
WE
WE
WE
WE
WE
Address
×
x
×
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
×
OC, BA
×
×
×
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
×
OC, BA
×
×
×
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
×
OC, BA
×
×
×
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
×
OC, BA
Command
DESL
NOP
BST
READ/READA
WRIT/ WRITA
ACT
PRE/PALL
REF
MRS
DESL
NOP
BST
READ/READA
WRIT/ WRITA
ACT
PRE/PALL
REF
MRS
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF
MRS
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF
MRS
Action
Continue burst to end -
Continue burst to end -
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Continue burst to end -Write
recovering with auto precharge
Continue burst to end -Write
recoveringwith auto precharge
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Nop Enter idle after tRP
Nop Enter idle after tRP
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Nop Enter idle after tRP
ILLEGAL
ILLEGAL
Nop Enter bank active after tRCD
Nop Enter bank active after tRCD
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2,8)
(2)
9