Intel386
TM
SX MICROPROCESSOR
Functional operating range: V
CC
e
5V
g
10%; T
CASE
e
0
§
C to 100
§
C
Table 7.6. Low Power (LP) Intel386
TM
SX Microprocessor
A.C. CharacteristicsD33 MHz and 25 MHz
(Continued)
Symbol
Parameter
33 MHz
Intel386 SX
25 MHz
Intel386 SX
Unit
Figure
Notes
Min
Max
Min
Max
t
10
W/R
Y
, M/IO
Y
, D/C
Y
,
ADS
Y
Valid Delay
4
15
4
17
ns
7.5
C
L
e
50 pF
(4)
t
11
W/R
Y
, M/IO
Y
, D/C
Y
,
ADS
Y
Float Delay
4
20
4
30
ns
7.6
(Note 1)
t
12
D
15
–D
0
Write Data
Valid Delay
7
23
7
23
ns
7.5
C
L
e
50 pF
(4, 5)
t
12a
D
15
–D
0
Write Data
Hold Time
2
2
ns
C
L
e
50 pF
(4)
t
13
D
15
–D
0
Write Data
Float Delay
4
17
4
22
ns
7.6
(Note 1)
t
14
HLDA Valid Delay
4
20
4
22
ns
7.6
C
L
e
50 pF
(4)
t
15
NA
Y
Setup Time
5
5
ns
7.4
t
16
NA
Y
Hold Time
2
3
ns
7.4
t
19
READY
Y
Setup Time
7
9
ns
7.4
t
20
READY
Y
Hold Time
4
4
ns
7.4
t
21
D
15
–D
0
Read Data
Setup Time
5
7
ns
7.4
t
22
D
15
–D
0
Read Data
Hold Time
3
5
ns
7.4
t
23
HOLD Setup Time
9
9
ns
7.4
t
24
HOLD Hold Time
2
3
ns
7.4
t
25
RESET Setup Time
5
8
ns
7.7
t
26
RESET Hold Time
2
3
ns
7.7
t
27
NMI, INTR Setup Time
5
6
ns
7.4
(Note 2)
t
28
NMI, INTR Hold Time
5
6
ns
7.4
(Note 2)
t
29
PEREQ, ERROR
Y
, BUSY
Y
,
FLT
Y
Setup Time
5
6
ns
7.4
(Note 2)
t
30
PEREQ, ERROR
Y
, BUSY
Y
,
FLT
Y
Hold Time
4
5
ns
7.4
(Note 2)
NOTES:
1. Float condition occurs when maximum output current becomes less than I
LO
in magnitude. Float delay is not 100%
tested.
2. These inputs are allowed to be asynchronous to CLK2. The setup and hold specifications are given for testing purposes
to assure recognition within a specific CLK2 period.
3. These are not tested. They are guaranteed by design characterization.
4. Tested with CL set at 50 pF. See Figures 7 and 8 for load capacitance derating curve.
5. Minimum time not 100% tested.
71