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IS42S32400B-7TI
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P30
P31-P33
P34-P36
P37-P39
P40-P42
P43-P45
P46-P48
P49-P51
P52-P54
P55-P57
P58-P60
Integrated Silicon Solution, Inc. — www.issi.com —
1-800-379-4774
31
PRELIMINARY INFORMATION
Rev.
00J
03/03/09
IS42S32400B
DON'T CARE
CLK
COMMAND
ADDRESS
DQ
T0 T1 T2 T3
T4 T5
READ
READ
READ
READ
NOP
NOP
D
OUT
n
D
OUT
b
D
OUT
m
D
OUT
x
BANK,
COL n
BANK,
COL b
CAS Latency - 2
BANK,
COL m
BANK,
COL x
DON'T CARE
CLK
COMMAND
ADDRESS
DQ
T0 T1 T2 T3
T4 T5 T6
READ
READ
READ
READ
NOP
NOP
NOP
D
OUT
n
D
OUT
b
D
OUT
m
D
OUT
x
BANK,
COL n
BANK,
COL b
CAS Latency - 3
BANK,
COL m
BANK,
COL x
RANDOM READ ACCESSES
32
Integrated Silicon Solution, Inc. — www.issi.com —
1-800-379-4774
PRELIMINARY INFORMATION
Rev.
00J
03/03/09
IS42S32400B
DON'T CARE
CLK
COMMAND
ADDRESS
DQ
T0 T1 T2 T3
T4 T5 T6
READ
NOP NOP NOP
NOP NOP
D
OUT
n
D
OUT
n+1
D
OUT
n+2
D
OUT
n+3
BANK a,
COL n
CAS Latency - 2
x = 1 cycle
BURST
TERMINA
TE
DON'T CARE
CLK
COMMAND
ADDRESS
DQ
T0 T1 T2 T3
T4 T5 T6 T7
READ
NOP NOP NOP
NOP NOP
NOP
D
OUT
n
D
OUT
n+1
D
OUT
n+2
D
OUT
n+3
BANK,
COL n
CAS Latency - 3
x = 2 cycles
BURST
TERMINA
TE
READ BURST TERMINATION
Integrated Silicon Solution, Inc. — www.issi.com —
1-800-379-4774
33
PRELIMINARY INFORMATION
Rev.
00J
03/03/09
IS42S32400B
ALTERNATING BANK READ ACCESSES
BANK 0
BANK 3
BANK 3
BANK 0
DON'T CARE
CLK
CKE
COMMAND
DQM0 - DQM3
A0-A9, A11
A10
BA0, BA1
DQ
t
CMS
t
CMH
t
AS
t
AH
t
AS
t
AH
t
AS
t
AH
t
RCD
- BANK 0
CAS Latency - BANK 0
t
RCD
- BANK 0
t
RAS
- BANK 0
t
RC
- BANK 0
t
CH
t
CL
t
CK
t
CMS
t
CMH
t
CKS
t
CKH
ACT
I
VE
NOP
READ
NOP
ACT
I
VE
NOP
READ
NOP
ACTIVE
ROW
ROW
BANK 0
ROW ROW
t
RRD
t
RCD
- BANK 3
t
RP
- BANK 0
COLUMN m
(2)
ROW
COLUMN
b
(2)
ROW
ENABLE A
UT
O PRECHARGE
ENABLE A
UTO PRECHARGE
T0 T1 T2 T3
T4 T5 T6 T7
T8
t
AC
t
OH
t
OH
t
OH
t
OH
t
OH
D
OUT
m
D
OUT
m+
1
D
OUT
m+
2
D
OUT
m+
3
D
OUT
b
t
AC
t
AC
t
AC
t
AC
t
AC
t
LZ
CAS Latency - BANK 3
Notes:
1)
CAS
latency = 2, Burst Length = 4
2) X32: A8, A9, A11 = "Don't Care"
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P30
P31-P33
P34-P36
P37-P39
P40-P42
P43-P45
P46-P48
P49-P51
P52-P54
P55-P57
P58-P60
IS42S32400B-7TI
Mfr. #:
Buy IS42S32400B-7TI
Manufacturer:
Description:
IC DRAM 128M PARALLEL 86TSOP II
Lifecycle:
New from this manufacturer.
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