is42s16100-7tli Integrated Silicon Solution, Inc., is42s16100-7tli Datasheet - Page 44

• Manufacturer Part Number: is42s16100-7tli
• Description: 512k Words X 16 Bits X 2 Banks 16-mbit Synchronous Dynamic Ram
• Manufacturer: Integrated Silicon Solution, Inc.

IS42S16100
Read Cycle / Ping-Pong Operation (Bank Switching)
44
Note 1: A8,A9 = Don’t Care.
CAS latency = 2, burstlength = 2
A0-A9
DQM
CKE
RAS
CAS
CLK
A10
A11
WE
DQ
CS
t
CKS
t
CS
T0
t
t
t
t
t
t
t
t
CS
CS
CS
AS
AS
t
AS
CKA
CH
CK
<
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
RAS
t
AH
AH
CH
CH
CH
AH
RC
T2
t
CL
t
CS
<
<
AUTO PRE
READA 0
COLUMN
NO PRE
BANK 0
READ 0
T3
(1)
(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
RAS
t
RC
<
Integrated Silicon Solution, Inc. — www.issi.com
AUTO PRE
<
NO PRE
READA 1
COLUMN
READ 1
BANK 1
T6
D
OUT
t
(1)
0m+1
OH
>
(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
BANK 0 OR 1
Undefined
Don't Care
T10
<
BANK 1
PRE 1
>
(BANK1)
t
RP
01/28/08
Rev. D