is42s16128 Integrated Silicon Solution, Inc., is42s16128 Datasheet - Page 73

• Manufacturer Part Number: is42s16128
• Description: 128k Words Bits Banks Sdram
• Manufacturer: Integrated Silicon Solution, Inc.

Read Cycle / Byte Operation
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. A
03/13/00
IS42S16128
I/O8-15
UDQM
LDQM
A0-A7
I/O0-7
CAS latency = 3, burst length = 4
CKE
RAS
CAS
CLK
WE
CS
A8
A9
t
CKS
t
CS
T0
t
t
t
t
t
t
t
CS
CS
CS
t
t
AS
AS
AS
CKA
CH
CK
BANK 0
BANK 1
<
ROW
ROW
T1
ACT
t
CHI
>
t
t
t
t
t
t
t
t
RCD
RAS
RC
t
AH
AH
CH
CH
CH
AH
T2
t
CL
T3
COLUMN m
AUTO PRE
<
<
NO PRE
BANK 1
BANK 0
READA
READ
T4
>
>
t
t
CS
t
CS
CAC
T5
t
t
QMD
QMD
<
MASKU
T6
>
t
t
AC
AC
t
CH
t
t
LZ
LZ
<
ENBU, MASKL
T7
D
D
OUT
OUT
t
t
OH
OH
m
m
t
t
t
HZ
QMD
AC
>
<
MASKL
T8
D
OUT
t
>
OH
m+1
t
t
AC
HZ
t
CH
t
LZ
BANK 0 AND 1
BANK 0 OR 1
<
<
BANK 1
BANK 0
PALL
PRE
T9
D
OUT
>
>
m+2
t
t
t
AC
RQL
RP
T10
D
OUT
t
OH
m+3
t
HZ
T11
ISSI
<
BANK 1
BANK 0
T12
ROW
ROW
ACT
Undefined
Don't Care
>
t
t
t
RCD
RAS
RP
73
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