CBT3257A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 5 — 4 April 2013 6 of 17
NXP Semiconductors
CBT3257A
Quad 1-of-2 multiplexer/demultiplexer
10. Dynamic characteristics
[1] This parameter is warranted but not production tested. The propagation delay is based on the RC time constant of the typical ON
resistance of the switch and a load capacitance, when driven by an ideal voltage source (zero output impedance).
[2] t
PLH
and t
PHL
are the same as t
pd
.
t
PZL
and t
PZH
are the same as t
en
.
t
PLZ
and t
PHZ
are the same as t
dis
.
11. AC waveforms
Table 7. Dynamic characteristics
T
amb
=
40
Cto+85
C; V
CC
= 4.5 V to 5.5 V; for test circuit see Figure 7.
Symbol Parameter Conditions Min Max Unit
t
pd
propagation delay nA to nBn or nBn to nA; see Figure 5
[1][2]
-0.25ns
S to nA; see Figure 5
[1][2]
1.4 5.0 ns
t
en
enable time OE to nA or nBn; see Figure 6
[2]
1.5 5.1 ns
S to nBn; see Figure 6
[2]
1.4 5.2 ns
t
dis
disable time OE to nA or nBn; see Figure 6
[2]
2.2 5.5 ns
S to nBn; see Figure 6
[2]
1.0 5.0 ns
Measurement points are given in Table 8.
V
OL
and V
OH
are typical voltage output levels that occur with the output load.
Fig 5. The input (nA; nBn) to output (nBn; nA) or input (S) to output (nA) propagation delay times
001aai367
V
M
V
M
V
M
V
M
V
I
input
0 V
V
OH
output
V
OL
t
PHL
t
PLH
