MC14049B, MC14050B
http://onsemi.com
4
AC SWITCHING CHARACTERISTICS (Note 5) (C
L
= 50 pF, T
A
= + 25_C)
Characteristic
Symbol
V
DD
Vdc
Min
Typ
(Note 6)
Max Unit
Output Rise Time
t
TLH
= (0.7 ns/pF) C
L
+ 65 ns
t
TLH
= (0.25 ns/pF) C
L
+ 37.5 ns
t
TLH
= (0.2 ns/pF) C
L
+ 30 ns
t
TLH
5.0
10
15
−
−
−
100
50
40
160
80
60
ns
Output Fall Time
t
THL
= (0.2 ns/pF) C
L
+ 30 ns
t
THL
= (0.06 ns/pF) C
L
+ 17 ns
t
THL
= (0.04 ns/pF) C
L
+ 13 ns
t
THL
5.0
10
15
−
−
−
40
20
15
60
40
30
ns
Propagation Delay Time
t
PLH
= (0.33 ns/pF) C
L
+ 63.5 ns
t
PLH
= (0.19 ns/pF) C
L
+ 30.5 ns
t
PLH
= (0.06 ns/pF) C
L
+ 27 ns
t
PLH
5.0
10
15
−
−
−
80
40
30
140
80
60
ns
Propagation Delay Time
t
PHL
= (0.2 ns/pF) C
L
+ 30 ns
t
PHL
= (0.1 ns/pF) C
L
+ 15 ns
t
PHL
= (0.05 ns/pF) C
L
+ 12.5 ns
t
PHL
5.0
10
15
−
−
−
40
20
15
80
40
30
ns
5. The formulas given are for the typical characteristics only at 25_C.
6. Data labeled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.
Figure 1. Typical Output Source Characteristics Figure 2. Typical Output Sink Characteristics
MC14049B MC14050B MC14049B MC14050B
V
DD
V
SS
V
DD
V
SS
1
8
1
8
I
OL
I
OH
V
OH
V
OL
V
DS
= V
OH
- V
DD
V
DD
V
SS
1
8
I
OL
V
OL
V
DD
V
SS
1
8
I
OH
V
OH
V
DD
= V
OL
I
OH
, OUTPUT SOURCE CURRNT (mAdc)
I
OL
, OUTPUT SINK CURRENT (mAdc)
-50
-40
-30
-20
-10
0
-10 -8.0 -6.0 -4.0 -2.0 0
V
DS
, DRAIN-TO-SOURCE VOLTAGE (Vdc)
V
GS
= 5.0 Vdc
V
GS
= 10 Vdc
MAXIMUM CURRENT LEVEL
V
GS
= 15 Vdc
160
120
80
40
0
0 2.0 4.0 6.0 8.0 10
V
DS
, DRAIN-TO-SOURCE VOLTAGE (Vdc)
V
GS
= 15 Vdc
V
GS
= 10 Vdc
MAXIMUM CURRENT LEVEL
V
GS
= 5.0 Vdc
