IS62WV2568BLL-55HLI ISSI, Integrated Silicon Solution Inc, IS62WV2568BLL-55HLI Datasheet - Page 10

• 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

DATA RETENTION WAVEFORM (CS1 Controlled)
DATA RETENTION WAVEFORM (CS2 Controlled)
IS62WV2568ALL, IS62WV2568BLL
DATA RETENTION SWITCHING CHARACTERISTICS
10
Symbol
V
I
t
t
dr
sdr
rdr
dr
3.0V
2.2V
GND
3.0
2.2V
GND
V
V
CS1
V
CS2
V
0.4V
Parameter
Vcc for Data Retention
Data Retention Current
Data Retention Setup Time
Recovery Time
CC
DR
CC
DR
t
SDR
Test Condition
See Data Retention Waveform
Vcc = 1.0V, CS1 ≥ Vcc – 0.2V
See Data Retention Waveform
See Data Retention Waveform
t
SDR
CS1 ≥ V
Data Retention Mode
Data Retention Mode
CS2 ≤ 0.2V
CC
-
0.2V
Integrated Silicon Solution, Inc. — www.issi.com
t
RDR
t
Min.
RDR
1.0
t
—
rc
0
Max.
3.6
10
—
—
Unit
µA
ns
ns
V
Rev. H
1/6/10