IS42S32800D-6BL ISSI, Integrated Silicon Solution Inc, IS42S32800D-6BL Datasheet - Page 29

• 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

IS42S32800D, IS45S32800D
RW1 - READ to WRITE
RW2 - READ to WRITE
Integrated Silicon Solution, Inc. - www.issi.com
Rev. C
12/01/09
COMMAND
ADDRESS
COMMAND
ADDRESS
DQM
CLK
DQ
DQM
CLK
DQ
T0
READ
BANK,
COL n
T0
READ
CAS Latency - 2
BANK,
COL n
T1
NOP
CAS Latency - 3
T1
NOP
T2
NOP
D
OUT
n
T2
NOP
T3
NOP
D
OUT
t
HZ
n+1
T3
NOP
D
T4
NOP
D
OUT
OUT
t
HZ
n+2
n
DON'T CARE
T4
T5
NOP
NOP
DON'T CARE
WRITE
T6
BANK,
COL b
D
WRITE
T5
BANK,
IN
COL b
t
b
DS
D
IN
t
DS
b
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