IS42LS16800A ICSI [Integrated Circuit Solution Inc], IS42LS16800A Datasheet - Page 15

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

IS42S81600A, IS42S16800A, IS42S32400A
IS42LS81600A, IS42LS16800A, IS42LS32400A
Integrated Silicon Solution, Inc. — www.issi.com —
ADVANCED INFORMATION Rev. 00A
06/01/02
FUNCTIONAL TRUTH TABLE Continued:
Write Recovering
Write Recovering
with Auto
Precharge
Refresh
Mode Register
Accessing
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
RAS
RAS CAS
×
×
IL
, V = Valid Data, BA= Bank Address, CA+Column Address, RA=Row Address, OC= Op-Code
CAS
CAS
H
H
CAS
CAS
H
H
L
L
H
H
L
L
×
H
L
L
H
H
L
L
×
H
H
L
L
H
H
L
L
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
×
×
×
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
×
×
×
1-800-379-4774
Command
DESL
NOP
BST
READ/READA
WRIT/ WRITA
ACT
PRE/PALL
REF
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF
DESL
NOP
BST
EAD/READA
WRIT/WRITA
PRE/PALL
REF
DESL
NOP
BST
READ/READA
WRIT/WRITA
PRE/PALL
REF
MRS/EMRS
MRS/EMRS
ACT
MRS/EMRS
ACT
MRS/EMRS
Action
Nop Enter row active after tDPL
Nop Enter row active after tDPL
Nop Enter row active after tDPL
Begin read
Begin new write
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Nop Enter precharge after tDPL
Nop Enter precharge after tDPL
Nop Enter row active after tDPL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Enter idle after tRC1
Nop Enter idle after tRC1
Nop Enter idle after tRC1
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Nop Enter idle after tRSC
Nop Enter idle after tRSC
Nop Enter idle after tRSC
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
(2)
(2)
(2)
(2)
(2, 6)
(6)
ISSI
15
®