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80386
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Table 7-5. 80386-12 A.C.
Characteristics
(Continued)
Symbol
Parameter
80386-12
80386-12
Notes
Min Max
t15
NA#
Setup Time 12
t16
NA#
Hold Time 22
t17
8S16#
Setup Time 14
t1B
8S16#
Hold Time
22
t19
REAOY# Setup Time
22
7-4
t20
REAOY# Hold Time
7-4
t21
00-031
Read
7-4
Setup Time
t22
00-031
Read 7-4
Hold Time
t23
HOLO Setup Time
ns
7-4
t24
HOLO Hold Time
ns
7-4
t25
RESET Setup ns
7-7
t26
ns 7-7
t27
ns
7-4 (Note
2)
t28
ns
7-4 (Note
2)
t29
18 ns 7-4
(Note
2)
t30
9
ns 7-4
(Note
2)
NOTES:
1.
Float condition occurs when maximum output current becomes less than
ILO
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.
7.5.3 A.C. Test Loads
80386
OUTPUT~
~CL
CL
= 120 pF on A2-A31.
00-031
231630-38
CL
= 75 pF on
BEO#-8E3#,
W/R#,
MIIO#,
D/C#,
ADS#,
LOCK#, HLDA
CL
includes all parasitic capacitances.
Figure
7-2. A.C.
Test
Load
7.5.4 A.C. Timing Waveforms
Figure 7-3. CLK2
Timing
105