IS42S32800D-7B-TR ISSI, Integrated Silicon Solution Inc, IS42S32800D-7B-TR Datasheet - Page 8

• 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
CKE TRUTH TABLE
Note: H=V
8
Current State /Function
Activating Clock suspend mode entry
Any Clock suspend mode
Clock suspend mode exit
Auto refresh command Idle (REF)
Self refresh entry Idle (SELF)
Power down entry Idle
Self refresh exit
Power down exit
ih
, L=V
il
x= V
ih
or V
il
, V = Valid Data.
CKE
n – 1 n
H
L
L
H
H
H
L
L
L
L
L
H
H
L
L
H
H
H
CS
×
×
×
L
L
×
L
H
×
RAS
×
×
×
L
L
×
H
×
×
×
×
×
L
L
×
H
×
×
CAS WE
Integrated Silicon Solution, Inc. - www.issi.com
×
×
×
H
H
×
H
×
×
Address
×
×
×
×
×
×
×
×
×
12/01/09
Rev. C