MC14528B
http://onsemi.com
4
SWITCHING CHARACTERISTICS (C
L
= 50 pF, T
A
= 25_C) (Note 4)
Characteristic Symbol
C
X
pF
R
X
k
V
DD
Vdc
Min
Typ
(Note 5)
Max Unit
Output Rise and Fall Time
t
TLH
, t
THL
= (1.5 ns/pF) C
L
+ 25 ns
t
TLH
, t
THL
= (0.75 ns/pF) C
L
+ 12.5 ns
t
TLH
, t
THL
= (0.55 ns/pF) C
L
+ 9.5 ns
t
TLH
,
t
THL
− −
5.0
10
15
−
−
−
100
50
40
200
100
80
ns
Turn−Off, Turn−On Delay Time — A or B to Q or Q
t
PLH
, t
PHL
= (1.7 ns/pF) C
L
+ 240 ns
t
PLH
, t
PHL
= (0.66 ns/pF) C
L
+ 87 ns
t
PLH
, t
PHL
= (0.5 ns/pF) C
L
+ 65 ns
t
PLH
,
t
PHL
15 5.0
5.0
10
15
−
−
−
325
120
90
650
240
180
ns
Turn−Off, Turn−On Delay Time — A or B to Q or Q
t
PLH
, t
PHL
= (1.7 ns/pF) C
L
+ 620 ns
t
PLH
, t
PHL
= (0.66 ns/pF) C
L
+ 257 ns
t
PLH
, t
PHL
= (0.5 ns/pF) C
L
+ 185 ns
t
PLH
,
t
PHL
1000 10
5.0
10
15
−
−
−
705
290
210
−
−
−
ns
Input Pulse Width — A or B
t
WH
15 5.0 5.0
10
15
150
75
55
70
30
30
−
−
−
ns
t
WL
1000 10 5.0
10
15
−
−
−
70
30
30
−
−
−
ns
Output Pulse Width — Q or Q
(For C
X
< 0.01 F use graph for
appropriate V
DD
level.)
t
W
15 5.0 5.0
10
15
−
−
−
550
350
300
−
−
−
ns
Output Pulse Width — Q or Q
(For C
X
> 0.01 F use formula:
t
W
= 0.2 R
X
C
X
Ln [V
DD
– V
SS
]) (Note 6)
t
W
10,000 10 5.0
10
15
15
10
15
30
50
55
45
90
95
s
Pulse Width Match between Circuits in the same
package
t1 – t2 10,000 10 5.0
10
15
−
−
−
6.0
8.0
8.0
25
35
35
%
Reset Propagation Delay — Reset to Q or Q
t
PLH
,
t
PHL
15 5.0 5.0
10
15
−
−
−
325
90
60
600
225
170
ns
1000 10 5.0
10
15
−
−
−
1000
300
250
−
−
−
ns
Retrigger Time
t
rr
15 5.0 5.0
10
15
0
0
0
−
−
−
−
−
−
ns
1000 10 5.0
10
15
0
0
0
−
−
−
−
−
−
ns
External Timing Resistance R
X
− − − 5.0 − 1000
k
External Timing Capacitance C
X
− − − No Limits (Note 7)
F
4. The formulas given are for the typical characteristics only at 25_C.
5. Data labelled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.
6. If C
X
> 15 F, Use Discharge Protection Diode D
X
, per Figure 9.
7. R
X
is in , C
X
is in farads, V
DD
and V
SS
in volts, PW
out
in seconds.
