IS42S32200E-7BL-TR ISSI, Integrated Silicon Solution Inc, IS42S32200E-7BL-TR Datasheet - Page 27

• 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
WRITE to READ
WRITE to PRECHARGE (t
Integrated Silicon Solution, Inc. — www.issi.com
Rev. D
07/12/2010
COMMAND
ADDRESS
DQM
CLK
DQ
COMMAND
ADDRESS
CLK
DQ
WRITE
BANK a,
T0
COL n
D
IN
n
WRITE
wr
D
BANK,
COL n
IN
T0
n
= 1 CLK (t
D
T1
NOP
IN
n+1
t
WR
D
NOP
IN
T1
n+1
PRECHARGE
ck
(a or all)
T2
BANK
≥ t
wr
READ
BANK,
COL b
T2
)
T3
NOP
t
RP
NOP
T3
NOP
T4
D
NOP
OUT
T4
b
ACTIVE
BANK a,
T5
ROW
DON'T CARE
D
OUT
NOP
T5
b+1
DON'T CARE
T6
NOP
27