IS62WV1288BLL-55QLI ISSI, Integrated Silicon Solution Inc, IS62WV1288BLL-55QLI Datasheet - Page 6

• Manufacturer Part Number: IS62WV1288BLL-55QLI
• Description: IC SRAM 1MBIT 55NS 32SOP
• Manufacturer: ISSI, Integrated Silicon Solution Inc

Specifications of IS62WV1288BLL-55QLI

• Format - Memory: RAM
• Memory Type: SRAM - Asynchronous
• Memory Size: 1M (128K x 8)
• Speed: 55ns
• Interface: Parallel
• Voltage - Supply: 2.5 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-SOP
• Density: 1Mb
• Access Time (max): 55ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 3.3V
• Address Bus: 17b
• Package Type: SOP
• Operating Temp Range: -40C to 85C
• Number Of Ports: 1
• Supply Current: 8mA
• 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: 128K
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

IS62WV1288ALL, IS62WV1288BLL, IS65WV1288BLL
READ CYCLE SWITCHING CHARACTERISTICS
Notes:
1. Test conditions assume signal transition times of 5 ns or less, timing reference levels of 0.9V/1.5V, input pulse levels of 0.4 to
2. Tested with the load in Figure 2. Transition is measured ±500 mV from steady-state voltage. Not 100% tested.
AC WAVEFORMS
READ CYCLE NO. 1
6
Symbol
t
t
t
t
t
t
t
t
t
V
ADDRESS
rc
AA
ohA
Acs1/
doe
hzoe
Lzoe
hzcs1/
Lzcs1/
dd
-0.2V/V
(2)
(2)
t
Acs2
t
t
D
Lzcs2
hzcs2
OUT
dd
(2)
(2)
-0.3V and output loading specified in Figure 1.
Parameter
Read Cycle Time
Address Access Time
Output Hold Time
CS1/CS2 Access Time
OE Access Time
OE to High-Z Output
OE to Low-Z Output
CS1/CS2 to High-Z Output
CS1/CS2 to Low-Z Output
(1,2)
PREVIOUS DATA VALID
(Address Controlled) (CS1 = OE = V
Min.
45
10
—
—
—
Integrated Silicon Solution, Inc. — www.issi.com —
0
5
0
5
45 ns
t
OHA
Max.
45
45
20
15
15
—
—
—
—
(1)
(Over Operating Range)
t
AA
IL
Min.
, cs2 = WE = V
55
10
10
—
—
—
t
0
5
0
RC
55 ns
Max.
55
25
20
20
—
—
—
—
55
Ih
)
DATA VALID
Min.
70
10
10
—
—
—
0
5
0
70 ns
Max.
—
70
—
70
35
25
—
25
—
t
OHA
1-800-379-4774
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
11/12/08
Rev. E