74hct221 NXP Semiconductors, 74hct221 Datasheet - Page 9

• Manufacturer Part Number: 74hct221
• Description: Dual Non-retriggerable Monostable Multivibrator With Reset
• Manufacturer: NXP Semiconductors

Philips Semiconductors
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
December 1990
SYMBOL
t
t
t
t
t
t
t
t
t
t
t
t
t
t
PLH
PLH
PHL
PHL
PHL
PHL
PLH
THL
W
W
W
W
W
W
Dual non-retriggerable monostable
multivibrator with reset
/ t
TLH
PARAMETER
propagation delay (trigger)
propagation delay (trigger)
propagation delay (trigger)
propagation delay (trigger)
propagation delay (trigger)
propagation delay (reset)
propagation delay (reset)
output transition time
trigger pulse width
trigger pulse width
pulse width
output pulse width
trigger pulse width
trigger pulse width
r
nA, nR
nB to nQ
nA to nQ
nB to nQ
nR
nR
nR
nA = LOW
nB = HIGH
nR
nQ = LOW
nQ = HIGH
nQ or nQ
nQ or nQ
= t
f
D
D
D
D
= 6 ns; C
to nQ
to nQ
to nQ
= LOW
D
to nQ
L
= 50 pF
20
20
22
630
min typ max min
30
24
26
21
26
26
31
7
13
13
13
700 770
140
1.5
25
50
42
44
35
43
43
51
15
T
9
25
25
28
602
74HCT
amb
40 to 85
( C)
max.
63
53
55
44
54
54
64
19
798
30
30
33
595
min.
40 to 125
75
63
66
53
65
65
77
22
805
max.
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
UNIT
s
s
74HC/HCT221
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
5.0
4.5
4.5
V
(V)
TEST CONDITIONS
CC
Product specification
R
Fig.10
R
Fig.10
C
R
Fig.10
C
R
Fig.10
C
C
C
R
Fig.10
C
R
Fig.10
C
R
Fig.10
C
R
Fig.11
C
R
Fig.11
Fig.10
Fig.10
Fig.10
Fig.8
C
R
Fig.10
WAVEFORMS
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
= 0 pF;
= 5 k ;
= 0 pF;
= 5 k ;
= 0 pF;
= 5 k ;
= 0 pF;
= 5 k ;
= 0 pF;
= 5 k ;
= 0 pF;
= 5 k ;
= 0 pF;
= 5 k ;
= 100 nF;
= 10 k ;
= 28 pF;
= 2 k ;
= 1 nF;
= 2 k ;