IS61LV256-15J ISSI, Integrated Silicon Solution Inc, IS61LV256-15J Datasheet - Page 4

• Manufacturer Part Number: IS61LV256-15J
• Description: SRAM 256K 32Kx8 15ns 3.3v
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: Asynchronousr

Specifications of IS61LV256-15J

• Memory Size: 256 Kbit
• Access Time: 15 ns
• Package / Case: SOJ-28
• Supply Voltage (max): 3.63 V
• Supply Voltage (min): 2.97 V
• Maximum Operating Current: 90 mA
• Organization: 32 K x 8
• Interface: TTL
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Number Of Ports: 1
• Operating Supply Voltage: 3.3 V
• Lead Free Status / Rohs Status: No

IS61LV256
AC TEST LOADS
2-4
AC TEST CONDITIONS
READ CYCLE SWITCHING CHARACTERISTICS
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 1b. Transition is measured 500 mV from steady-state voltage. Not 100% tested.
3. Not 100% tested.
Symbol Parameter
Parameter
Input Pulse Level
Input Rise and Fall Times
Input and Output Timing
and Reference Levels
Output Load
t
t
t
t
t
t
t
t
t
t
t
output loading specified in Figure 1a.
RC
AA
OHA
ACE
DOE
LZOE
HZOE
LZCE
HZCE
PU
PD
(3)
(3)
(2)
(2)
(2)
(2)
Read Cycle Time
Address Access Time
Output Hold Time
CE
OE
OE
OE
CE
CE
CE
CE
Access Time
to Low-Z Output
to High-Z Output
to Power-Up
to Power-Down
Access Time
to Low-Z Output
to High-Z Output
OUTPUT
3.3V
Including
jig and
scope
30 pF
Figure 1a.
635
702
See Figures 1a and 1b
Min.
12
—
—
—
—
—
—
2
0
3
0
-12 ns
0V to 3.0V
Max.
1.5V
Unit
—
12
—
12
—
—
—
13
3 ns
6
7
5
OUTPUT
3.3V
Including
Min.
Figure 1b.
jig and
15
—
—
—
—
—
—
scope
2
0
3
0
(1)
5 pF
-15 ns
(Over Operating Range)
635
Max.
15
15
15
—
—
—
—
—
7
8
6
702
Min.
20
—
—
—
—
—
—
2
0
3
0
-20 ns
Max.
Integrated Silicon Solution, Inc.
20
20
18
—
—
—
—
—
8
9
9
Min.
25
—
—
—
—
—
—
2
0
3
0
-25 ns
Max.
—
25
—
25
—
10
—
10
—
20
9
ISSI
SR81995LV61
Rev. F 0296
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
®