6
Output Enable to Q t
PZL
,t
PZH
C
L
= 50pF 2 - - 150 - 190 - 225 ns
4.5 - - 30 - 38 - 45 ns
C
L
= 15pF 5 - 12 - - - - - ns
C
L
= 50pF 6 - - 26 - 33 - 38 ns
Maximum Clock Frequency f
MAX
C
L
= 15pF 5 - 60 - - - - - MHz
Output Transition Time t
THL
, t
TLH
C
L
= 50pF 2 - - 60 - 75 - 90 ns
4.5 - - 12 - 15 - 18 ns
6 - - 10 - 13 - 15 ns
Input Capacitance C
I
C
L
= 50pF - 10 - 10 - 10 - 10 pF
Three-State Output
Capacitance
C
O
- - 20 - 20 - 20 - 20 pF
Power Dissipation Capacitance
(Notes 3, 4)
C
PD
C
L
= 15pF 5 - 39 - - - - - pF
HCT TYPES
Propagation Delay t
PHL,
t
PLH
Clock to Output C
L
= 50pF 4.5 - - 33 - 41 - 50 ns
C
L
= 15pF 5 - 15 - - - - - ns
Output Disable to Q t
PLZ
,t
PHZ
C
L
= 50pF 4.5 - - 28 - 35 - 42 ns
C
L
= 15pF 5 - 11 - - - - - ns
Output Enable to Q t
PZL
,t
PZH
C
L
= 50pF 4.5 - - 30 - 38 - 45 ns
C
L
= 15pF 5 - 12 - - - - - ns
Maximum Clock Frequency f
MAX
C
L
= 15pF 5 - 60 - - - - - MHz
Output Transition Time t
TLH
, t
THL
C
L
= 50pF 4.5 - - 12 - 15 - 18 ns
Input Capacitance C
I
C
L
= 50pF - 10 - 10 - 10 - 10 pF
Three-State Output
Capacitance
C
O
- - 20 - 20 - 20 - 20 pF
Power Dissipation Capacitance
(Notes 3, 4)
C
PD
C
L
= 15pF 5 - 47 - - - - - pF
NOTES:
3. C
PD
is used to determine the dynamic power consumption, per package.
4. P
D
=C
PD
V
CC
2
f
i
+ ∑ V
CC
2
f
O
C
L
where f
i
= Input Frequency, f
O
= Output Frequency, C
L
= Output Load Capacitance, V
CC
= Supply
Voltage.
Switching Specifications C
L
= 50pF, Input t
r
, t
f
= 6ns (Continued)
PARAMETER SYMBOL
TEST
CONDITIONS V
CC
(V)
25
o
C
-40
o
C TO
85
o
C
-55
o
C TO
125
o
C
UNITSMIN TYP MAX MIN MAX MIN MAX
CD54/74HC374, CD54/74HCT374, CD54/74HC574, CD54/74HCT574
