IS42S32800D-7B-TR ISSI, Integrated Silicon Solution Inc, IS42S32800D-7B-TR Datasheet - Page 32

• Manufacturer Part Number: IS42S32800D-7B-TR
• Description: IC SDRAM 256MBIT 143MHZ 90BGA
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: SDRAMr

Specifications of IS42S32800D-7B-TR

• Format - Memory: RAM
• Memory Type: SDRAM
• Memory Size: 256M (8Mx32)
• Speed: 143MHz
• 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: 143MHz
• 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: 150mA
• Pin Count: 90
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

IS42S32800D, IS45S32800D
32
READ BURST TERMINATION
COMMAND
ADDRESS
COMMAND
CLK
ADDRESS
DQ
CLK
DQ
T0
READ
BANK,
COL n
BANK a,
T0
READ
COL n
CAS Latency - 3
CAS Latency - 2
T1
NOP
T1
NOP
T2
NOP
T2
NOP
D
OUT
n
T3
NOP
D
OUT
T3
n
NOP
D
OUT
n+1
TERMINATE
T4
BURST
D
OUT
TERMINATE
n+1
T4
BURST
D
x = 2 cycles
OUT
x = 1 cycle
n+2
T5
NOP
D
OUT
Integrated Silicon Solution, Inc. - www.issi.com
n+2
T5
NOP
D
OUT
n+3
T6
NOP
D
OUT
DON'T CARE
n+3
T6
NOP
DON'T CARE
T7
NOP
12/01/09
Rev. C