參數(shù)資料
型號(hào): KU386
廠商: Intel Corp.
英文描述: SX MICROPROCESSOR
中文描述: SX微處理器
文件頁(yè)數(shù): 73/102頁(yè)
文件大?。?/td> 1268K
代理商: KU386
Intel386
TM
SX MICROPROCESSOR
Functional operating range: V
CC
e
5V
g
10%; T
CASE
e
0
§
C to 100
§
C
Table 7.7. Intel386
TM
SX A.C. CharacteristicsD20 MHz and 16 MHz
(Continued)
Symbol
Parameter
20 MHz
Intel386 SX
16 MHz
Intel386 SX
Unit
Figure
Notes
Min
Max
Min
Max
t
27
NMI, INTR Setup Time
16
16
ns
7.4
(Note 2)
t
28
NMI, INTR Hold Time
16
16
ns
7.4
(Note 2)
t
29
PEREQ, ERROR
Y
, BUSY
Y
,
FLT
Y
Setup Time
14
16
ns
7.4
(Note 2)
t
30
PEREQ, ERROR
Y
, BUSY
Y
,
FLT
Y
Hold Time
5
5
ns
7.4
(Note 2)
Table 7.8. Low Power (LP) Intel386
TM
SX A.C. CharacteristicsD20 MHz, 16 MHz and 12 MHz
Symbol
Parameter
20 MHz
Intel386 SX Intel386 SX Intel386 SX
16 MHz
12 MHz
Unit Figure
Notes
Min
Max
Min
Max
Min
Max
Operating Frequency
2
20
2
16
2
12.5 MHz
Half CLK2 Frequency
t
1
CLK2 Period
25
250
31
250
40
250
ns
7.3
t
2a
CLK2 HIGH Time
8
9
11
ns
7.3
at 2V (Note 3)
t
2b
CLK2 HIGH Time
5
5
7
ns
7.3
at (V
CC
b
0.8V)
(3)
t
3a
CLK2 LOW Time
8
9
11
ns
7.3
at 2V
(3)
t
3b
CLK2 LOW Time
6
7
9
ns
7.3
at 0.8V
(3)
t
4
CLK2 Fall Time
8
8
8
ns
7.3
(V
CC
b
0.8V) to 0.8V
(3)
0.8V to (V
CC
b
0.8V)
(3)
C
L
e
120 pF
(4)
t
5
CLK2 Rise Time
8
8
8
ns
7.3
t
6
A
23
–A
1
Valid Delay
4
30
4
36
4
42
ns
7.5
t
7
A
23
–A
1
Float Delay
BHE
Y
, BLE
Y
, LOCK
Y
Valid Delay
4
32
4
40
4
45
ns
7.6
(Note 1)
t
8
4
30
4
36
4
36
ns
7.5
C
L
e
75 pF
t
9
BHE
Y
, BLE
Y
, LOCK
Y
Float Delay
4
32
4
40
4
40
ns
7.6
(Note 1)
t
10
M/IO
Y
, D/C
Y
, W/R
Y
,
ADS
Y
Valid Delay
6
28
6
33
4
33
ns
7.5
C
L
e
75 pF
t
11
M/IO
Y
, D/C
Y
, W/R
Y
,
ADS
Y
Float Delay
6
30
6
35
4
35
ns
7.6
(Note 1)
t
12
D15–D0 Write
Data Valid Delay
4
38
4
40
4
50
ns
7.5
C
L
e
120 pF
(4)
t
13
D15–D0 Write
Data Float Delay
4
27
4
35
4
40
ns
7.6
(Note 1)
t
14
HLDA Valid Delay
4
28
6
33
4
33
ns
7.5
C
L
e
75 pF
(4)
t
15
NA
Y
Setup Time
5
5
7
ns
7.4
t
16
NA
Y
Hold Time
12
21
21
ns
7.4
73
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