Nexperia
74CB3Q3257
4-bit 1-of-2 FET multiplexer/demultiplexer with charge pump
74CB3Q3257 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2017. All rights reserved.
Product data sheet Rev. 1 — 14 August 2017
9 / 17
T
amb
= -40 °C to +85 °CSymbol Parameter Conditions
Min Max
Unit
OE to nA, nBn; see Figure 10
[1]
V
CC
= 2.3 V to 2.7 V 1.5 6.5 ns
V
CC
= 3.0 V to 3.6 V 1.5 5.5 ns
S to nBn; see Figure 10
[1]
V
CC
= 2.3 V to 2.7 V 1.5 6.5 ns
t
en
enable time
V
CC
= 3.0 V to 3.6 V 1.5 5.5 ns
OE to nA, nBn; see Figure 10
[1]
V
CC
= 2.3 V to 2.7 V 1.0 6.0 ns
V
CC
= 3.0 V to 3.6 V 1.0 6.0 ns
S to nBn; see Figure 10
[1]
V
CC
= 2.3 V to 2.7 V 1.0 6.0 ns
t
dis
disable time
V
CC
= 3.0 V to 3.6 V 1.0 6.0 ns
S, OE; V
O
> V
CC
; V
I
= 5 V; R
L
≥ 1 MΩ; C
L
= 0 pF
V
CC
= 2.3 V to 2.7 V - 10 MHz
f
max
maximum
frequency
V
CC
= 3.0 V to 3.6 V - 20 MHz
[1] t
pd
is the same as t
PLH
and t
PHL
.
t
en
is the same as t
PZL
and t
PZH
.
t
dis
is the same as t
PLZ
and t
PHZ
.
[2] The propagation delay is the calculated RC time constant of the typical ON resistance of the switch and the specified load capacitance, when driven by an
ideal voltage source (zero output impedance).
11.1 Waveforms and test circuit
001aai367
V
M
V
M
V
M
V
M
V
I
input
0 V
V
OH
output
V
OL
t
PHL
t
PLH
Measurement points are given in Table 9.
Logic levels: V
OL
and V
OH
are typical output voltage levels that occur with the output load.
Figure 9. The data input (nA or nBn) to output (nBn or nA) propagation delays