IS62LV256-70TI ISSI, Integrated Silicon Solution Inc, IS62LV256-70TI Datasheet - Page 5

• Manufacturer Part Number: IS62LV256-70TI
• Description: SRAM 256K 32Kx8 70ns 3.3v
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: Asynchronousr

Specifications of IS62LV256-70TI

• Density: 256Kb
• Access Time (max): 70ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 3.3V
• Address Bus: 15b
• Package Type: TSOP-I
• Operating Temp Range: -40C to 85C
• Number Of Ports: 1
• Supply Current: 30mA
• Operating Supply Voltage (min): 3.135V
• Operating Supply Voltage (max): 3.465V
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 28
• Word Size: 8b
• Number Of Words: 32K
• Memory Size: 256 Kbit
• Access Time: 70 ns
• Package / Case: TSOP I-28
• Supply Voltage (max): 3.465 V
• Supply Voltage (min): 3.135 V
• Maximum Operating Current: 30 mA
• Organization: 32 K x 8
• Interface: TTL
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 3.3 V
• Lead Free Status / Rohs Status: Not Compliant

IS65LV256AL
IS62LV256AL
READ CYCLE SWITCHING CHARACTERISTICS
t
Notes:
1. Test conditions assume signal transition times of 3 ns or less, timing reference levels of 1.5V, input pulse levels of 0 to 3.0V and
2. Tested with the load in Figure 2. Transition is measured ±500 mV from steady-state voltage. Not 100% tested.
3. Not 100% tested.
AC TEST LOADS
Integrated Silicon Solution, Inc. — www.issi.com —
Rev. B
10/23/06
AC TEST CONDITIONS
Input Rise and Fall Times
Input and Output Timing
and Reference Levels
Output Load
Symbol
t
t
t
t
t
t
t
t
t
t
output loading specified in Figure 1.
Parameter
Input Pulse Level
rc
aa
oha
ace
doe
lzoe
hzoe
lzce
hzce
Pu
Pd
(3)
(3)
(2)
(2)
(2)
(2)
OUTPUT
3.3V
Parameter
Read Cycle Time
Address Access Time
Output Hold Time
CE Access Time
OE Access Time
OE to Low-Z Output
OE to High-Z Output
CE to Low-Z Output
CE to High-Z Output
CE to Power-Up
CE to Power-Down
Including
jig and
scope
30 pF
Figure 1.
635 Ω
702 Ω
See Figures 1 and 2
0V to 3.0V
Min.
20
—
—
—
—
—
—
1.5V
Unit
3 ns
2
0
3
0
-20 ns
OUTPUT
Max.
1-800-379-4774
20
20
10
18
—
—
—
—
—
9
9
3.3V
(1)
Including
(Over Operating Range)
jig and
Figure 2.
scope
5 pF
Min.
45
—
—
—
—
2
0
0
3
0
0
-45 ns
635 Ω
Max.
45
45
25
20
20
30
—
—
—
—
—
702 Ω
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
5