IS42S32800D-6BL ISSI, Integrated Silicon Solution Inc, IS42S32800D-6BL Datasheet - Page 38

• Manufacturer Part Number: IS42S32800D-6BL
• Description: IC SDRAM 256MBIT 166MHZ 90BGA
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: SDRAMr

Specifications of IS42S32800D-6BL

• Format - Memory: RAM
• Memory Type: SDRAM
• Memory Size: 256M (8Mx32)
• Speed: 166MHz
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 90-BGA
• Organization: 8Mx32
• Density: 256Mb
• Address Bus: 13b
• Access Time (max): 6.5/5.4ns
• Maximum Clock Rate: 166MHz
• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: 0C to 70C
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Supply Current: 180mA
• Pin Count: 90
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WRITE BURST
IS42S32800D, IS45S32800D
WRITE TO WRITE
RANDOM WRITE CYCLES
38
COMMAND
COMMAND
ADDRESS
ADDRESS
CLK
COMMAND
CLK
DQ
ADDRESS
DQ
CLK
DQ
WRITE
D
BANK,
COL n
WRITE
D
BANK,
COL n
IN
T0
IN
T0
n
n
WRITE
D
BANK,
COL n
IN
T0
n
D
WRITE
NOP
BANK,
COL b
IN
D
T1
T1
n+1
IN
b
D
NOP
IN
T1
n+1
WRITE
NOP
COL m
BANK,
D
T2
T2
IN
DON'T CARE
m
WRITE
BANK,
COL b
D
T2
DON'T CARE
IN
b
WRITE
NOP
BANK,
COL x
D
T3
T3
IN
x
Integrated Silicon Solution, Inc. - www.issi.com
12/01/09
Rev. C