Datasheet

8
MR to Qn (161) t
PHL
C
L
= 50pF 2 - - 210 - 265 - 315 ns
4.5 - - 42 - 53 - 63 ns
C
L
= 15pF 5 - 18 - - - - - ns
C
L
= 50pF 6 - - 36 - 45 - 54 ns
MR to TC (161) t
PHL
C
L
= 50pF 2 - - 210 - 265 - 315 ns
4.5 - - 42 - 53 - 63 ns
C
L
= 50pF 6 - - 36 - 45 - 54 ns
Output Transition Time t
THL
, t
TLH
C
L
= 50pF 2 - - 75 - 95 - 110 ns
4.5 - - 15 - 19 - 22 ns
6 - - 13 - 16 - 19 ns
Power Dissipation Capacitance
(Notes 7, 8)
C
PD
-5-60-----pF
Input Capacitance C
IN
C
L
= 50pF - 10 - 10 - 10 - 10 pF
HCT TYPES
Propagation Delay
CP to TC t
PHL,
t
PLH
C
L
= 50pF 4.5 - - 42 - 53 - 63 ns
C
L
= 15pF 5 - 18 - - - - - ns
CP to Qn t
PHL,
t
PLH
C
L
= 50pF 4.5 - - 39 - 49 - 59 ns
C
L
= 15pF 5 - 16 - - - - - ns
TE to TC t
PHL,
t
PLH
C
L
= 50pF 4.5 - - 32 - 40 - 48 ns
C
L
= 15pF 5 - 13 - - - - - ns
MR to Qn (161) t
PHL
C
L
= 50pF 4.5 - - 50 - 63 - 75 ns
C
L
= 15pF 5 - 21 - - - - - ns
MR to TC (161) t
PHL
C
L
= 50pF 4.5 - - 50 - 63 - 75 ns
Output Transition Time t
THL
, t
TLH
C
L
= 50pF 4.5 - - 15 - 19 - 22 ns
Power Dissipation Capacitance
(Notes 7, 8)
C
PD
-5-63-----pF
Input Capacitance C
IN
C
L
= 50pF - 10 - 10 - 10 - 10 pF
NOTES:
7. C
PD
is used to determine the dynamic power consumption, per package.
8. P
D
=C
PD
V
CC
2
f
i
+ ∑(C
L
V
CC
2
f
O
) 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
CD54/74HC161, CD54/74HCT161, CD54/74HC163, CD54/74HCT163