IS42S32400E-7B-TR ISSI, Integrated Silicon Solution Inc, IS42S32400E-7B-TR Datasheet - Page 43

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IS42S32400E-7B-TR

Manufacturer Part Number
IS42S32400E-7B-TR
Description
Manufacturer
ISSI, Integrated Silicon Solution Inc
Type
SDRAMr
Datasheet

Specifications of IS42S32400E-7B-TR

Organization
4Mx32
Density
128Mb
Address Bus
14b
Access Time (max)
6.5/5.4ns
Maximum Clock Rate
143MHz
Operating Supply Voltage (typ)
3.3V
Package Type
TFBGA
Operating Temp Range
0C to 70C
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
Supply Current
130mA
Pin Count
90
Mounting
Surface Mount
Operating Temperature Classification
Commercial
Lead Free Status / Rohs Status
Not Compliant
IS42S32400E, IS45S32400E
ALTERNATING BANK WRITE ACCESSES
Notes:
1) Burst Length = 4
2) x32: A8, A9, A11 = "Don't Care"
Integrated Silicon Solution, Inc. - www.issi.com
Rev. E
10/28/10
DQM0 - DQM3
COMMAND
A0-A9, A11
BA0, BA1
CKE
CLK
A10
DQ
t
t
CKS
CMS
t
t
t
BANK 0
AS
AS
AS
ACTIVE
ROW
ROW
T0
t
CKH
t
t
t
t
AH
AH
AH
CMH
t
t
t
t
RCD
RRD
RAS
RC
t
CK
- BANK 0
- BANK 0
- BANK 0
ENABLE AUTO PRECHARGE
T1
NOP
t
t
CMS
CL
t
COLUMN m
DS
BANK 0
WRITE
D
T2
IN
t
CMH
t
t
DH
m
CH
(2)
t
DS
D
T3
NOP
IN
t
m+
DH
1
t
BANK 1
DS
ACTIVE
ROW
D
ROW
T4
IN
t
m+
DH
2
t
RCD
t
DS
D
- BANK 1
ENABLE AUTO PRECHARGE
T5
IN
NOP
t
m+
DH
t
DPL
3
- BANK 0
t
COLUMN b
DS
BANK 1
WRITE
D
T6
IN
t
DH
b
(2)
t
DS
D
t
T7
RP
NOP
IN
t
- BANK 0
b+
DH
1
t
DS
D
T8
NOP
IN
t
b+
DH
2
t
DS
ACTIVE
BANK 0
D
DON'T CARE
T9
ROW
ROW
IN
t
b+
t
t
DH
RCD
DPL
3
- BANK 0
- BANK 1
43

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