Data Sheet

©1993 Fairchild Semiconductor Corporation www.fairchildsemi.com
74VHCU04 Rev. 1.4.0 5
74VHCU04 — Hex Inverter
AC Electrical Characteristics
Note:
3. 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
/ 6 (per gate).
Symbol Parameter V
CC
(V) Conditions
T
A
= 25°C
T
A
= –40°C
to +85°C
UnitsMin. Typ. Max. Min. Max.
t
PHL
, t
PLH
Propagation Delay 3.3 ± 0.3 C
L
= 15pF 5.0 8.9 1.0 10.5 ns
C
L
= 50pF 7.5 11.4 1.0 13.0
5.0 ± 0.5 C
L
= 15pF 3.5 5.5 1.0 6.5 ns
C
L
= 50pF 5.0 7.0 1.0 8.0
C
IN
Input Capacitance V
CC
= Open 5 10 10 pF
C
PD
Power Dissipation
Capacitance
(3)
9pF