MM74HC08
AC Electrical Characteristics
V
CC
=
5V, T
A
=
25
°
C, C
L
=
15 pF, t
r
=
t
f
=
6 ns
Symbol
t
PHL
t
PLH
Parameter
Maximum Propagation
Delay, Output HIGH-to-LOW
Maximum Propagation
Delay, Output LOW-to-HIGH
7
15
ns
Conditions
Typ
12
Guaranteed
Limit
20
Units
ns
AC Electrical Characteristics
V
CC
=
2.0V to 6.0V, C
L
=
50 pF, t
r
=
t
f
=
6 ns (unless otherwise specified)
Symbol
t
PHL
Parameter
Maximum Propagation Delay,
Output HIGH-to-LOW
t
PLH
Maximum Propagation Delay,
Output LOW-to-HIGH
t
TLH
, t
THL
Maximum Output
Rise and Fall Time
C
PD
C
IN
Power Dissipation Capacitance (Note 5)
Maximum Input Capacitance
(per gate)
Conditions
V
CC
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
T
A
=
25°C
Typ
77
15
13
30
10
8
30
8
7
38
4
10
10
121
24
20
90
18
15
75
15
13
T
A
= −40
to 125°C
Guaranteed Limits
175
35
30
134
27
23
110
22
19
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
pF
Note 5:
C
PD
determines the no load dynamic power consumption, P
D
=
C
PD
V
CC2
f
+
I
CC
V
CC
, and the no load dynamic current consumption,
I
S
=
C
PD
V
CC
f
+
I
CC
.
3
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