Datasheet

4
Quiescent Device
Current
I
CC
V
CC
or
GND
0 6 - - 2 - 20 - 40 µA
DC Electrical Specifications (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
UNITSV
I
(V) I
O
(mA) MIN TYP MAX MIN MAX MIN MAX
Switching Specifications Input t
r
, t
f
= 6ns
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
HC TYPES
Propagation Delay,
nA to nY HC4049
nA to nY HC4050
t
PLH,
t
PHL
C
L
= 50pF 2 - - 85 - 105 - 130 ns
4.5 - - 17 - 21 - 26 ns
6 - - 14 - 18 - 22 ns
C
L
= 15pF 5 - 6 - - - - - ns
Transition Times (Figure 1) t
TLH
, t
THL
C
L
= 50pF 2 - - 75 - 95 - 110 ns
4.5 - - 15 - 19 - 22 ns
6 - - 13 - 16 - 19 ns
Input Capacitance C
I
- - - - 10 - 10 - 10 pF
Power Dissipation Capacitance
(Notes 2, 3)
C
PD
-5-35-----pF
NOTES:
2. C
PD
is used to determine the dynamic power consumption, per gate.
3. P
D
= V
CC
2
f
i
(C
PD
+ C
L
) where f
i
= Input Frequency, C
L
= Output Load Capacitance, V
CC
= Supply Voltage.
Test Circuit and Waveform
FIGURE 1. HC AND HCU TRANSITION TIMES AND PROPAGATION DELAY TIMES, COMBINATION LOGIC
t
PHL
t
PLH
t
THL
t
TLH
90%
50%
10%
50%
10%
INVERTING
OUTPUT
INPUT
GND
V
CC
t
r
= 6ns t
f
= 6ns
90%
CD54HC4049, CD74HC4049, CD54HC4050, CD74HC4050