is42s16128 Integrated Silicon Solution, Inc., is42s16128 Datasheet - Page 41

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

Read Cycle / Ping-Pong Operation (Bank Switching)
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. A
03/13/00
IS42S16128
CAS latency = 2, burst length = 2
A0-A7
DQM
CKE
RAS
CAS
CLK
WE
CS
I/O
A8
A9
t
CKS
t
CS
T0
t
t
t
t
t
t
t
CS
t
CS
CS
AS
AS
AS
t
CKA
CK
CH
<
BANK 0
ACT 0
ROW
ROW
T1
(BANK 0 TO 1)
t
CHI
>
(BANK 0)
(BANK 0)
(BANK 0)
t
t
t
t
t
RRD
RCD
t
t
t
t
t
AH
AH
RAS
CH
CH
CH
AH
RC
T2
t
CL
t
CS
<
<
AUTO PRE
READA 0
COLUMN
NO PRE
BANK 0
READ 0
T3
>
(BANK 1)
>
t
CAC
t
QMD
t
LZ
<
BANK 1
ACT1
ROW
ROW
T4
>
t
AC
(BANK 1)
t
RCD
T5
D
OUT
t
OH
0m
(BANK 1)
(BANK 1)
t
AC
t
t
RAS
RC
<
AUTO PRE
<
READA 1
COLUMN
NO PRE
READ 1
BANK 1
T6
D
OUT
t
OH
0m+1
>
(BANK 1)
>
t
t
HZ
CAC
BANK 0 OR 1
<
BANK 0
PRE 0
T7
>
(BANK 0)
t
AC
t
RP
t
LZ
t
CH
T8
D
OUT
t
OH
1m
t
AC
<
BANK 0
ACT 0
ROW
ROW
T9
D
OUT
t
>
OH
1m+1
(BANK 0)
(BANK 0)
(BANK 0)
t
t
t
HZ
RCD
RAS
t
RC
ISSI
BANK 0 OR 1
<
BANK 1
PRE 1
T10
Undefined
Don't Care
>
(BANK1)
t
RP
41
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