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IS42S32400D-7T-TR

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48P49-P51P52-P54P55-P57P58-P60
34
Integrated Silicon Solution, Inc. — www.issi.com
Rev. F
03/03/09
IS42S32400D
READ - FULL-PAGE BURST
DON'T CARE
UNDEFINED
CLK
CKE
COMMAND
DQM0 - DQM3
A0-A9, A11
A10
BA0, BA1
DQ
t
CMS
t
CMH
ACTIVE NOP READ NOP NOP NOP NOP NOP
BURST TERM NOP NOP
t
AS
t
AH
t
AS
t
AH
t
AS
t
AH
ROW
ROW
BANK
COLUMN m
(2)
t
CH
t
CL
t
CK
t
CMS
t
CMH
t
CKS
t
CKH
BANK
t
RCD
CAS Latency
t
AC
t
AC
t
AC
t
AC
t
AC
t
HZ
t
LZ
t
AC
t
OH
t
OH
t
OH
t
OH
t
OH
t
OH
D
OUT
m D
OUT
m+
1
D
OUT
m+
2
D
OUT
m-
1
D
OUT
m D
OUT
m+
1
each row (x4) has
1,024 locations
Full page
completion
Full-page burst not self-terminating.
Use BURST TERMINATE command.
T0 T1 T2 T3 T4 T5 T6 Tn+1 Tn+2 Tn+3 Tn+4
Notes:
1) CAS latency = 2, Burst Length = Full Page
2) X32: A8, A9, A11 = "Don't Care"
IS42S32400D
Integrated Silicon Solution, Inc. — www.issi.com
35
Rev. F
03/03/09
READ - DQM OPERATION
DON'T CARE
UNDEFINED
CLK
CKE
COMMAND
DQM0 - DQM3
A0-A9, A11
A10
BA0, BA1
DQ
t
CMS
t
CMH
ACTIVE NOP READ NOP NOP NOP NOP NOP NOP
t
AS
t
AH
t
AS
t
AH
t
AS
t
AH
ENABLE AUTO PRECHARGE
DISABLE AUTO PRECHARGE
ROW
ROW
BANK
t
RCD
CAS Latency
D
OUT
m
D
OUT
m+2
D
OUT
m+3
COLUMN m
(2)
BANK
t
CH
t
CL
t
CK
t
CMS
t
CMH
t
CKS
t
CKH
t
OH
t
OH
t
OH
t
AC
t
AC
t
AC
t
HZ
t
HZ
t
LZ
t
LZ
T0 T1 T2 T3 T4 T5 T6 T7 T8
Notes:
1) CAS latency = 2, Burst Length = 4
2) X32: A8, A9, A11 = "Don't Care"
36
Integrated Silicon Solution, Inc. — www.issi.com
Rev. F
03/03/09
IS42S32400D
DON'T CARE
CLK
COMMAND
ADDRESS
DQ
T0 T1 T2 T3 T4 T5 T6 T7
READ
NOP NOP NOP NOP ACTIVE NOP
DOUT n
DOUT n+1
DOUT n+2
DOUT n+3
BANK a,
COL n
BANK a,
ROW
BANK
(a or all)
CAS Latency - 2
t
RP
PRECHARGE
t
RQL
High-Z
DON'T CARE
CLK
COMMAND
ADDRESS
DQ
T0 T1 T2 T3 T4 T5 T6 T7
READ
NOP NOP NOP NOP NOP ACTIVE
DOUT n
DOUT n+1
DOUT n+2
DOUT n+3
BANK,
COL n
BANK,
COL b
CAS Latency - 3
t
RP
t
RQL
BANK a,
ROW
PRECHARGE
High-Z
READ to PRECHARGE
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48P49-P51P52-P54P55-P57P58-P60

IS42S32400D-7T-TR

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Buy IS42S32400D-7T-TR
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Description:
IC DRAM 128M PARALLEL 86TSOP II
Lifecycle:
New from this manufacturer.
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