74hct4851 NXP Semiconductors, 74hct4851 Datasheet - Page 11

• Manufacturer Part Number: 74hct4851
• Description: 8-channel Analog Multiplexer/demultiplexer With Injection-current Effect Control
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 9.
At recommended operating conditions; voltages are referenced to GND (ground 0 V); for load circuit see
[1]
[2]
[3]
[4]
12. Waveforms
74HC_HCT4851_2
Product data sheet
Symbol Parameter
74HCT4851
t
t
t
C
pd
en
dis
Fig 10. Input (Z, Yn) to output (Yn, Z) propagation delays
PD
t
t
t
C
P
f
f
C
C
V
pd
en
dis
i
o
D
CC
PD
= input frequency in MHz;
{(C
L
sw
= output frequency in MHz;
is the same as t
is the same as t
= output load capacitance in pF;
is the same as t
= C
= switch capacitance in pF;
is used to determine the dynamic power dissipation (P
= supply voltage in V.
L
+ C
propagation delay
enable time
disable time
power dissipation
capacitance
PD
Dynamic characteristics
sw
V
)
CC
V
2
CC
PLH
PZH
f
2
PLZ
i
+ {(C
f
and t
and t
and t
o
} = sum of outputs;
L
PHL
PZL
PHZ
+ C
Conditions
Z, Yn to Yn, Z;
see
Sn to Z, Yn;
see
see
E to Z, Yn;
see
per channel;
see
E to Z, Yn;
.
.
.
V
V
V
V
V
sw
CC
CC
CC
CC
CC
)
Figure 10
Figure 11
Figure 12
Figure 12
Figure 13
= 4.5 V
= 4.5 V
= 4.5 V
= 4.5 V
= 5.0 V
V
Z or Yn
Yn or Z
…continued
output
CC
GND
GND
input
V
V
2
CC
CC
f
8-channel analog MUX/DEMUX with injection-current effect control
o
} where:
Rev. 02 — 2 September 2008
0.5V
[1]
[1]
[2]
[3]
[4]
CC
0.5V
D
t
in W):
PLH
28.5
Min
1.6
3.2
4.2
CC
-
25 C
64.7
Typ
3.7
8.0
8.6
30
74HC4851; 74HCT4851
Max
11.5
13
25
80
-
001aah574
t
PHL
28.2
40 C to +85 C
Min
1.1
2.3
3.0
-
Max
12.5
15
30
90
-
40 C to +125 C Unit
Min
1.1
2.3
3.0
28
-
© NXP B.V. 2008. All rights reserved.
Figure
Max
13.5
100
17
35
14.
-
11 of 20
ns
ns
ns
ns
pF