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821413214
WAVEFORMS
)(-----------------)(
x-------
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:I~-----~j
tRCS
tRCH
tRIS
tRIH
ETlG
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;----
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1(
....
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X
tETes
_J
1
tETCH
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1---
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'ISS
'I~
-.II
tlSH
INTE
r----
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P
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~-
....
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J
'oECS
_~CH
'oes
tecss
tecsH
II
'oCH
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'lj
ECRS
'I
'ECRH
'ECCS
teecH
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'ECRN
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j
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--
1-----
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J
'1"---
'PW
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t---
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tecA
'RA
~
tELA
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...
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f-.
tETEN
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tecsN
tREN
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ENLG
_____
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____________________
_
NOTES:
(1)
Typical
values are
for
T A
~
25'e
,Vee
~
5,QV,
(2) Required
for
proper
operation
if
ISE
is
enabled
during
next
clock
pulse.
(3) These times are
not
required
for
proper
opera'tion
but
for
desired change in
interrupt
flip-flop.
(4)
Required
for
new
request
or
status
to
be
properly
loaded.
Test Conditions
Input
pulse amplitude:
2.5
volts.
Input
rise and fall times: 5 ns between 1 and 2 volts.
Output
loading of 15
mA
and
30
pf.
Test Load Circuit
VCC
300"
Speed measurements
taken
at
the
1.5V levels.
OUTo---~--------------+
30
pf
..on
8-37
AFN-00210A-04