IS42S32200E-7B-TR ISSI, Integrated Silicon Solution Inc, IS42S32200E-7B-TR Datasheet - Page 49
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IS42S32200E-7B-TR
Manufacturer Part Number
IS42S32200E-7B-TR
Description
IC SDRAM 64MBIT 143MHZ 90BGA
Manufacturer
ISSI, Integrated Silicon Solution Inc
Type
SDRAMr
Specifications of IS42S32200E-7B-TR
Format - Memory
RAM
Memory Type
SDRAM
Memory Size
64M (2Mx32)
Speed
143MHz
Interface
Parallel
Voltage - Supply
3.15 V ~ 3.45 V
Operating Temperature
0°C ~ 70°C
Package / Case
90-BGA
Organization
2Mx32
Density
64Mb
Address Bus
13b
Access Time (max)
8/5.5ns
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
140mA
Pin Count
90
Mounting
Surface Mount
Operating Temperature Classification
Commercial
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
IS42S32200E, IS45S32200E
Integrated Silicon Solution, Inc. — www.issi.com
Rev. D
07/12/2010
READ - DQM OPERATION
CAS Latency = 2, Burst Length = 4
DQM0-DQM3
COMMAND
BA0, BA1
A0-A9
CKE
CLK
A10
DQ
t
t
CKS
CMS
t
t
t
ACTIVE
AS
AS
AS
BANK
ROW
ROW
T0
t
t
CKH
CMH
t
t
t
AH
AH
AH
t
CK
t
NOP
RCD
T1
DISABLE AUTO PRECHARGE
ENABLE AUTO PRECHARGE
t
t
CMS
CL
COLUMN m
READ
BANK
T2
t
CMH
t
CH
CAS Latency
NOP
T3
t
LZ
t
AC
NOP
T4
D
OUT
t
OH
t
HZ
m
NOP
T5
t
LZ
t
AC
NOP
D
T6
OUT
t
OH
m+
t
AC
2
DON'T CARE
UNDEFINED
NOP
T7
D
OUT
t
OH
m+
t
HZ
3
NOP
T8
49