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| 型號： | IS62VV25616LL-85M |
| 英文描述： | x16 SRAM |
| 中文描述： | x16的SRAM |
| 文件頁數(shù)： | 5/10頁 |
| 文件大?。?/td> | 88K |
| 代理商： | IS62VV25616LL-85M |
Integrated Silicon Solution, Inc.
—
1-800-379-4774
Rev. A
11/01/01
5
IS62VV25616LL
ISSI
READ CYCLE SWITCHING CHARACTERISTICS
(1)
(Over Operating Range)
-70
-85
Symbol
t
RC
t
AA
t
OHA
t
ACE
t
DOE
t
HZOE
(2)
t
LZOE
(2)
t
HZCE
(2)
t
LZCE
(2)
t
BA
t
HZB
t
LZB
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 and
output loading specified in Figure 1.
2. Tested with the load in Figure 2. Transition is measured ±500 mV from steady-state voltage. Not 100% tested.
Parameter
Min.
Max.
Min.
Max.
Unit
Read Cycle Time
70
—
85
—
ns
Address Access Time
—
70
—
85
ns
Output Hold Time
10
—
10
—
ns
CE
Access Time
—
70
—
85
ns
OE
Access Time
—
35
—
40
ns
OE
to High-Z Output
—
25
—
25
ns
OE
to Low-Z Output
5
—
5
—
ns
CE
to High-Z Output
0
25
0
25
ns
CE
to Low-Z Output
10
—
10
—
ns
LB
,
UB
Access Time
—
70
—
85
ns
LB
,
UB
to High-Z Output
0
25
0
25
ns
LB
,
UB
to Low-Z Output
0
—
0
—
ns
POWER SUPPLY CHARACTERISTICS
(1)
(Over Operating Range)
-70
-85
Symbol
Parameter
Test Conditions
Min. Max.
Min. Max.
Unit
I
CC
Vcc Dynamic Operating V
CC
= Max.,
Supply Current
Com.
Ind.
—
—
20
25
—
—
15
20
mA
I
OUT
= 0 mA, f = f
MAX
I
CC
1
Operating Supply
Current
V
CC
= Max.,
I
OUT
= 0 mA, f = 1 MH
Z
Com.
Ind.
—
—
3
3
—
—
3
3
mA
I
SB
1
TTL Standby Current
(TTL Inputs)
V
CC
= Max.,
V
IN
= V
IH
or V
IL
CE
≥
V
IH
, f = 0
Com.
Ind.
—
—
0.3
0.3
—
—
0.3
0.3
mA
OR
ULB Control
Vcc = Max., V
IN
= V
IH
or V
IL
CE
= V
IL
, f = 0,
UB
= V
IH
,
LB
= V
IH
I
SB
2
CMOS Standby
Current (CMOS Inputs)
CE
≥
V
CC
–
0.2V,
V
CC
= Max.,
Com.
Ind.
—
—
10
10
—
—
10
10
μA
V
IN
≥
V
CC
–
0.2V, or
V
IN
≤
0.2V, f = 0
OR
ULB Control
V
CC
= Max.,
CE
= V
IL
V
IN
≤
0.2V, f = 0;
UB
/
LB
= V
CC
–
0.2V
Note:
1. At f = f
MAX
, address and data inputs are cycling at the maximum frequency, f = 0 means no input lines change.
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