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74HC4851PW,118

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21
74HC_HCT4851_2 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 02 — 2 September 2008 9 of 20
NXP Semiconductors
74HC4851; 74HCT4851
8-channel analog MUX/DEMUX with injection-current effect control
(1) Channel is selected by S0, S1 and S2.
Fig 6. Test circuit for measuring OFF-state leakage
current
Fig 7. Test circuit for measuring ON-state leakage
current
001aaf878
V
CC
Z
E
Yn
V
IH
V
I
GND V
O
I
S
I
S
001aaf879
V
CC
E
Yn
Yn
V
IL
Z
selected
channel
(1)
any disabled
channel
n.c.
V
O
V
I
GND
I
S
R
ON
= V
SW
/ I
SW
. (1) Channel is selected by S0, S1 and S2.
V
I
(1) < GND or V
I
(1) > V
CC
.
GND < V
I
(2) < V
CC
.
Fig 8. Test circuit for measuring ON resistance Fig 9. Test circuit for injection current coupling
001aaf880
V
CC
Z
E
Yn
V
IL
V
I
GND I
SW
V
SW
V
001aaf881
V
CC
E
Yn
Yn
V
IL
V
I
(2)
V
I
(1)
Z
any disabled
channel
selected
channel
(1)
V
I
R
S
GND
V
O
I
SW
74HC_HCT4851_2 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 02 — 2 September 2008 10 of 20
NXP Semiconductors
74HC4851; 74HCT4851
8-channel analog MUX/DEMUX with injection-current effect control
11. Dynamic characteristics
Table 9. Dynamic characteristics
At recommended operating conditions; voltages are referenced to GND (ground 0 V); for load circuit see Figure 14.
Symbol Parameter Conditions 25 °C −40 °C to +85 °C −40 °C to +125 °C Unit
Min Typ Max Min Max Min Max
74HC4851
t
pd
propagation delay Z, Yn to Yn, Z;
see
Figure 10
[1]
V
CC
= 2.0 V - 10.0 25 - 29 - 32 ns
V
CC
= 3.0 V - 6.0 15.5 - 17.5 - 19.5 ns
V
CC
= 3.3 V - 5.0 14.5 - 16.5 - 18.5 ns
V
CC
= 4.5 V - 4.0 11.5 - 12.5 - 13.5 ns
V
CC
= 6.0 V - 3.0 10 - 11 - 12 ns
Sn to Z, Yn;
see
Figure 11
[1]
V
CC
= 2.0 V - 18.0 32 - 35 - 40 ns
V
CC
= 3.0 V - 9.5 17.5 - 20 - 23 ns
V
CC
= 3.3 V - 8.5 16.5 - 19 - 22 ns
V
CC
= 4.5 V - 6.5 13 - 15 - 17 ns
V
CC
= 6.0 V - 5.0 12.5 - 14.5 - 16.5 ns
t
en
enable time E to Z, Yn;
see
Figure 12
[2]
V
CC
= 2.0 V - - 95 - 105 - 115 ns
V
CC
= 3.0 V - - 90 - 100 - 110 ns
V
CC
= 3.3 V - - 85 - 95 - 105 ns
V
CC
= 4.5 V - - 80 - 90 - 100 ns
V
CC
= 6.0 V - - 78 - 80 - 80 ns
t
dis
disable time EtoZ,Yn;
see
Figure 12
[3]
V
CC
= 2.0 V - - 99 - 105 - 115 ns
V
CC
= 3.0 V - - 90 - 100 - 110 ns
V
CC
= 3.3 V - - 85 - 95 - 105 ns
V
CC
= 4.5 V - - 80 - 90 - 100 ns
V
CC
= 6.0 V - - 78 - 80 - 80 ns
C
PD
power dissipation
capacitance
per channel;
see
Figure 12
[4]
V
CC
= 3.3 V - 28 - - - - - pF
V
CC
= 5.0 V - 33 - - - - - pF
74HC_HCT4851_2 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 02 — 2 September 2008 11 of 20
NXP Semiconductors
74HC4851; 74HCT4851
8-channel analog MUX/DEMUX with injection-current effect control
[1] t
pd
is the same as t
PLH
and t
PHL
.
[2] t
en
is the same as t
PZH
and t
PZL
.
[3] t
dis
is the same as t
PLZ
and t
PHZ
.
[4] C
PD
is used to determine the dynamic power dissipation (P
D
in µW):
P
D
=C
PD
× V
CC
2
× f
i
+ ∑{(C
L
+C
sw
) × V
CC
2
× f
o
} where:
f
i
= input frequency in MHz;
f
o
= output frequency in MHz;
∑{(C
L
+C
sw
) × V
CC
2
× f
o
} = sum of outputs;
C
L
= output load capacitance in pF;
C
sw
= switch capacitance in pF;
V
CC
= supply voltage in V.
12. Waveforms
74HCT4851
t
pd
propagation delay Z, Yn to Yn, Z;
see
Figure 10
[1]
V
CC
= 4.5 V 1.6 3.7 11.5 1.1 12.5 1.1 13.5 ns
Sn to Z, Yn;
see
Figure 11
[1]
V
CC
= 4.5 V 3.2 8.0 13 2.3 15 2.3 17 ns
t
en
enable time E to Z, Yn;
see
Figure 12
[2]
V
CC
= 4.5 V 4.2 8.6 25 3.0 30 3.0 35 ns
t
dis
disable time EtoZ,Yn;
see
Figure 12
[3]
V
CC
= 4.5 V 28.5 64.7 80 28.2 90 28 100 ns
C
PD
power dissipation
capacitance
per channel;
see
Figure 13
[4]
V
CC
= 5.0 V - 30 - - - - - pF
Table 9. Dynamic characteristics
…continued
At recommended operating conditions; voltages are referenced to GND (ground 0 V); for load circuit see Figure 14.
Symbol Parameter Conditions 25 °C −40 °C to +85 °C −40 °C to +125 °C Unit
Min Typ Max Min Max Min Max
Fig 10. Input (Z, Yn) to output (Yn, Z) propagation delays
001aah574
V
CC
Z or Yn
input
Yn or Z
output
t
PLH
0.5V
CC
0.5V
CC
t
PHL
GND
V
CC
GND
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21

74HC4851PW,118

Mfr. #:
Buy 74HC4851PW,118
Manufacturer:
Nexperia
Description:
Multiplexer Switch ICs 5V 8 M/DEM INJ
Lifecycle:
New from this manufacturer.
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