IS62WV2568BLL-55HLI ISSI, Integrated Silicon Solution Inc, IS62WV2568BLL-55HLI Datasheet - Page 9

• Manufacturer Part Number: IS62WV2568BLL-55HLI
• Description: IC SRAM 2MBIT 55NS 32STSOP
• Manufacturer: ISSI, Integrated Silicon Solution Inc

Specifications of IS62WV2568BLL-55HLI

• Format - Memory: RAM
• Memory Type: SRAM - Asynchronous
• Memory Size: 2M (256K x 8)
• Speed: 55ns
• Interface: Parallel
• Voltage - Supply: 2.5 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-sTSOP
• Density: 2Mb
• Access Time (max): 55ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 3.3V
• Address Bus: 18b
• Package Type: STSOP-I
• Operating Temp Range: -40C to 85C
• Number Of Ports: 1
• Supply Current: 15mA
• Operating Supply Voltage (min): 2.5V
• Operating Supply Voltage (max): 3.6V
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 32
• Word Size: 8b
• Number Of Words: 256K
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

IS62WV2568ALL, IS62WV2568BLL
AC WAVEFORMS
WRITE CYCLE NO. 2
Integrated Silicon Solution, Inc. — www.issi.com
Rev. H
1/6/10
WRITE CYCLE NO. 3
ADDRESS
ADDRESS
DOUT
DOUT
CS1
CS2
DIN
WE
OE
CS1
CS2
DIN
WE
OE
(WE Controlled: OE is HIGH During Write Cycle)
(WE Controlled: OE is LOW During Write Cycle)
t
DATA UNDEFINED
SA
t
DATA UNDEFINED
SA
t
AW
t
AW
t
HZWE
t
HZWE
t
t
SCS1
SCS2
t
t
SCS2
SCS1
t
t
PWE
t
WC
t
PWE
WC
HIGH-Z
HIGH-Z
t
SD
t
SD
DATA-IN VALID
DATA-IN VALID
t
t
HA
HA
t
t
t
t
LZWE
HD
LZWE
HD
9