IS62WV2568BLL-70HI ISSI, Integrated Silicon Solution Inc, IS62WV2568BLL-70HI Datasheet - Page 6

• Manufacturer Part Number: IS62WV2568BLL-70HI
• Description: IC SRAM 2MBIT 70NS 32STSOP
• Manufacturer: ISSI, Integrated Silicon Solution Inc

Specifications of IS62WV2568BLL-70HI

• Format - Memory: RAM
• Memory Type: SRAM - Asynchronous
• Memory Size: 2M (256K x 8)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 2.5 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-sTSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

IS62WV2568ALL, IS62WV2568BLL
AC WAVEFORMS
READ CYCLE NO. 1
6
READ CYCLE SWITCHING CHARACTERISTICS
Notes:
1. Test conditions assume signal transition times of 5 ns or less, timing reference levels of 0.9V, input pulse levels of 0.4 to 1.4V
2. Tested with the load in Figure 2. Transition is measured ±500 mV from steady-state voltage. Not 100% tested.
Symbol
t
t
t
t
t
t
t
t
t
rc
AA
ohA
Acs
doe
hzoe
Lzoe
hzcs
Lzcs
ADDRESS
and output loading specified in Figure 1.
1
1
(2)
/t
1
(2)
/t
/t
Acs
Lzcs
hzcs
D
2
OUT
2
2
(2)
(2)
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
t
OHA
Min.
45
10
10
—
—
—
—
5
0
(1)
45ns
(Over Operating Range)
t
AA
Max.
IL
Integrated Silicon Solution, Inc. — www.issi.com
45
45
20
15
15
—
—
—
—
, cs2 = WE = V
t
RC
Min.
55
10
10
—
—
—
—
5
0
55ns
Ih
Max.
)
55
55
25
20
20
—
—
—
—
DATA VALID
Min.
70
10
10
—
—
—
—
5
0
t
OHA
70ns
Max
70
70
35
25
25
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
Rev. H
1/6/10