Datasheet

January 1995 6
Philips Semiconductors Product specification
Monostable/astable multivibrator
HEF4047B
MSI
AC CHARACTERISTICS
V
SS
= 0 V; T
amb
=25°C; C
L
= 50 pF; input transition times ≤ 20 ns
V
DD
V
SYMBOL MIN. TYP. MAX.
TYPICAL EXTRAPOLATION
FORMULA
Propagation delays
ASTABLE, ASTABLE → OSC. OUTPUT 5 95 190 68 ns + (0,55 ns/pF) C
L
HIGH to LOW 10 t
PHL
45 90 43 ns + (0,23 ns/pF) C
L
15 30 60 22 ns + (0,16 ns/pF) C
L
5 85 170 58 ns + (0,55 ns/pF) C
L
LOW to HIGH 10 t
PLH
40 80 29 ns + (0,23 ns/pF) C
L
15 30 60 22 ns + (0,16 ns/pF) C
L
ASTABLE, ASTABLE → O, O 5 150 300 123 ns + (0,55 ns/pF) C
L
HIGH to LOW 10 t
PHL
65 130 54 ns + (0,23 ns/pF) C
L
15 50 100 42 ns + (0,16 ns/pF) C
L
5 130 260 103 ns + (0,55 ns/pF) C
L
LOW to HIGH 10 t
PLH
60 120 49 ns + (0,23 ns/pF) C
L
15 45 90 37 ns + (0,16 ns/pF) C
L
+/− TRIGGER → O, O 5 160 320 133 ns + (0,55 ns/pF) C
L
HIGH to LOW 10 t
PHL
65 130 54 ns + (0,23 ns/pF) C
L
15 50 100 42 ns + (0,16 ns/pF) C
L
5 155 310 128 ns + (0,55 ns/pF) C
L
LOW to HIGH 10 t
PLH
65 130 54 ns + (0,23 ns/pF) C
L
15 50 100 42 ns + (0,16 ns/pF) C
L
+ TRIGGER, RETRIGGER → O 5 65 130 38 ns + (0,55 ns/pF) C
L
HIGH to LOW 10 t
PHL
30 60 19 ns + (0,23 ns/pF) C
L
15 25 50 17 ns + (0,16 ns/pF) C
L
+ TRIGGER, RETRIGGER → O 5 95 190 68 ns + (0,55 ns/pF) C
L
LOW to HIGH 10 t
PLH
40 80 29 ns + (0,23 ns/pF) C
L
15 30 60 22 ns + (0,16 ns/pF) C
L
MR → O 5 100 200 83 ns + (0,55 ns/pF) C
L
HIGH to LOW 10 t
PHL
45 90 34 ns + (0,23 ns/pF) C
L
15 35 70 27 ns + (0,16 ns/pF) C
L
MR → O 5 100 200 83 ns + (0,55 ns/pF) C
L
LOW to HIGH 10 t
PLH
45 90 34 ns + (0,23 ns/pF) C
L
15 35 70 27 ns + (0,16 ns/pF) C
L
Output transition times 5 60 120 10 ns + (1,0 ns/pF) C
L
HIGH to LOW 10 t
THL
30 60 9 ns + (0,42 ns/pF) C
L
15 20 40 6 ns + (0,28 ns/pF) C
L
5 60 120 10 ns + (1,0 ns/pF) C
L
LOW to HIGH 10 t
TLH
30 60 9 ns + (0,42 ns/pF) C
L
15 20 40 6 ns + (0,28 ns/pF) C
L