is42s16128 Integrated Silicon Solution, Inc., is42s16128 Datasheet - Page 54

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

Read Cycle / Byte Operation
54
IS42S16128
I/O8-15
UDQM
CAS latency = 2, burst length = 4
LDQM
A0-A7
I/O0-7
CKE
RAS
CAS
CLK
WE
CS
A8
A9
t
CKS
t
CS
T0
t
t
t
t
t
t
t
CS
t
CS
CS
AS
AS
t
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
t
t
CS
CS
AUTO PRE
COLUMN m
<
<
NO PRE
BANK 0
READA
BANK 1
READ
T3
>
>
t
t
t
QMD
QMD
CAC
<
MASKU
T4
>
t
t
AC
AC
t
CH
t
t
<
LZ
LZ
ENBU, MASKL
T5
D
D
OUT
OUT
t
t
OH
OH
m
m
t
t
t
Integrated Silicon Solution, Inc. — 1-800-379-4774
HZ
AC
QMD
>
t
CH
<
MASKL
T6
D
OUT
t
>
OH
m+1
t
AC
t
BANK 0 AND 1
LZ
BANK 0 OR 1
<
<
BANK 1
BANK 0
PALL
PRE
T7
D
OUT
>
>
t
OH
m+2
t
t
AC
RP
t
RQL
T8
D
OUT
t
OH
m+3
<
BANK 1
BANK 0
ROW
ROW
ACT
T9
>
ISSI
t
t
RCD
t
RAS
RC
T10
Undefined
Don't Care
03/13/00
Rev. A
®