IS42S32200E-7BL-TR ISSI, Integrated Silicon Solution Inc, IS42S32200E-7BL-TR Datasheet - Page 50

• Manufacturer Part Number: IS42S32200E-7BL-TR
• Description: IC SDRAM 64MBIT 143MHZ 90BGA
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: SDRAMr

Specifications of IS42S32200E-7BL-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: Lead free / RoHS Compliant

IS42S32200E, IS45S32200E
50
WRITE - WITHOUT AUTO PRECHARGE
Burst Length = 4
DQM0-DQM3
COMMAND
BA0, BA1
A0-A9
CKE
CLK
A10
DQ
t
t
CKS
CMS
t
t
t
AS
AS
AS
BANK
ACTIVE
ROW
ROW
T0
t
CKH
t
t
t
t
CMH
AH
AH
AH
t
t
t
RCD
RAS
RC
t
CK
DISABLE AUTO PRECHARGE
T1
NOP
t
t
CMS
CL
t
DS
COLUMN m
WRITE
D
BANK
T2
IN
t
CMH
t
t
DH
m
CH
t
DS
D
T3
NOP
IN
t
m+
DH
1
t
DS
D
T4
NOP
IN
t
m+
DH
Integrated Silicon Solution, Inc. — www.issi.com
2
t
DS
D
T5
NOP
IN
m+
t
DH
t
3
WR
SINGLE BANK
ALL BANKS
PRECHARGE
BANK
T6
t
RP
T7
NOP
DON'T CARE
ACTIVE
T8
BANK
ROW
ROW
07/12/2010
Rev. D