Datasheet
74VHC153 Dual 4-Input Multiplexer
©1993 Fairchild Semiconductor Corporation www.fairchildsemi.com
74VHC153 Rev. 1.2 5
DC Electrical Characteristics
AC Electrical Characteristics
Note:
2. C
PD
is defined as the value of the internal equivalent capacitance which is calculated from the operating current
consumption without load. Average operating current can be obtained by the equation: I
CC
(opr.)
=
C
PD
• V
CC
• f
IN
+ I
CC
Symbol Parameter V
CC
(V) Conditions
T
A
= 25°C
T
A
= –40°C to
+85°C
UnitsMin. Typ. Max. Min. Max.
V
IH
HIGH Level Input
Voltage
2.0 1.50 1.50 V
3.0–5.5 0.7 x V
CC
0.7 x V
CC
V
IL
LOW Level Input
Voltage
2.0 0.50 0.50 V
3.0–5.5 0.3 x V
CC
0.3 x V
CC
V
OH
HIGH Level
Output Voltage
2.0 V
IN
= V
IH
or V
IL
I
OH
= –50µA 1.9 2.0 1.9 V
3.0 2.9 3.0 2.9
4.5 4.4 4.5 4.4
3.0 I
OH
= –4mA 2.58 2.48
4.5 I
OH
= –8mA 3.94 3.80
V
OL
LOW Level
Output Voltage
2.0 V
IN
= V
IH
or V
IL
I
OL
= 50µA 0.0 0.1 0.1 V
3.0 0.0 0.1 0.1
4.5 0.0 0.1 0.1
3.0 I
OL
= 4mA 0.36 0.44
4.5 I
OL
= 8mA 0.36 0.44
I
IN
Input Leakage
Current
0–5.5 V
IN
= 5.5V or GND ±0.1 ±1.0 µA
I
CC
Quiescent
Supply Current
5.5 V
IN
= V
CC
or GND 4.0 40.0 µA
Symbol Parameter V
CC
(V) Conditions
T
A
= 25°C
T
A
= –40°C
to +85°C
UnitsMin. Typ. Max. Min. Max.
t
PLH
, t
PHL
Propagation Delay,
I
n
to Z
n
3.3 ± 0.3 C
L
= 15pF 7.7 11.9 1.0 14.0 ns
C
L
= 50pF 10.2 15.4 1.0 17.5
5.0 ± 0.5 C
L
= 15pF 5.0 7.7 1.0 9.0 ns
C
L
= 50pF 6.5 9.7 1.0 11.0
t
PLH
, t
PHL
Propagation Delay,
S
n
to Z
n
3.3 ± 0.3 C
L
= 15pF 10.8 16.7 1.0 19.5 ns
C
L
= 50pF 13.3 20.2 1.0 23.0
5.0 ± 0.5 C
L
= 15pF 6.8 9.9 1.0 11.5 ns
C
L
= 50pF 8.3 11.9 1.0 13.5
t
PLH
, t
PHL
Propagation Delay,
E
n
to Z
n
3.3 ± 0.3 C
L
= 15pF 6.3 10.1 1.0 12.0 ns
C
L
= 50pF 8.8 13.6 1.0 15.5
5.0 ± 0.5 C
L
= 15pF 4.4 6.4 1.0 7.5 ns
C
L
= 50pF 5.9 8.4 1.0 9.5
C
IN
Input Capacitance V
CC
= Open 4 10 10 pF
C
PD
Power Dissipation
Capacitance
(2)
20 pF