Datasheet

9397 750 13362 © Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet Rev. 02 — 15 September 2005 7 of 18
Philips Semiconductors
CBT3244A
Octal bus switch with quad output enables
10.1 AC waveforms
V
M
= 1.5 V; V
I
= GND to 3.0 V
t
PLZ
and t
PHZ
are the same as t
dis
.
t
PZL
and t
PZH
are the same as t
en
.
t
PLH
and t
PHL
are the same as t
PD
.
Fig 7. Input to output propagation delays
(1) Waveform 1 is for an output with internal conditions such that the output is LOW except when
disabled by the output control.
(2) Waveform 2 is for an output with internal conditions such that the output is HIGH except when
disabled by the output control.
Fig 8. 3-state output enable and disable times
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3.0 V
0 V
V
OH
V
OL
t
PLH
t
PHL
1.5 V 1.5 Vinput
output
1.5 V
1.5 V
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3 V
3.5 V
t
PLZ
1.5 V 1.5 V
output control
(LOW-level enabling)
output
waveform 1
S1 at 7 V
(1)
1.5 V
t
PZL
V
OL
0 V
V
OL
+ 0.3 V
V
OH
0 V
1.5 V
V
OL
− 0.3 V
output
waveform 2
S1 open
(2)
t
PZH
t
PHZ