74hct221 NXP Semiconductors, 74hct221 Datasheet - Page 6

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

Philips Semiconductors
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see
Output capability: standard (except for nR
I
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
December 1990
CC
SYMBOL
t
t
t
t
t
t
t
t
t
t
t
t
PLH
PLH
PHL
PHL
PLH
PLH
THL
TLH
W
W
W
W
Dual non-retriggerable monostable
multivibrator with reset
category: MSI
/
PARAMETER
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
trigger pulse width
output pulse width
r
nA, nB to nQ
nR
nA, nB to nQ
nR
nR
nR
nA = LOW
nB = HIGH
nR
= t
nQ = LOW
nQ = HIGH
D
D
D
D
D
f
= 6 ns; C
to nQ
to nQ
to nQ
to nQ
= LOW
L
= 50 pF
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
75
15
13
90
18
15
75
15
13
630
min typ max. min
EXT
/C
72
26
21
80
29
23
58
21
17
63
23
18
66
24
19
58
21
17
19
7
6
25
9
7
30
11
9
25
9
7
700 770
EXT
25
)
220
44
37
245
49
42
180
36
31
195
39
33
200
40
34
180
36
31
75
15
13
T
6
95
19
16
115
23
20
95
19
16
602 798
amb
74HC
40 to 85
( C)
275
55
47
305
61
52
225
45
38
245
49
42
250
50
43
225
45
38
95
19
16
max.
110
22
19
135
27
23
110
22
19
595
min.
40 to 125
330
66
56
370
74
63
270
54
46
295
59
50
300
60
51
270
54
46
110
22
19
805
max.
.
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
74HC/HCT221
V
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6,0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
5.0
(V)
TEST CONDITIONS
CC
Product specification
WAVEFORMS
C
R
Fig.10
C
R
Fig.10
C
R
Fig.10
C
R
Fig.10
C
R
Fig.11
C
R
Fig.11
Fig.10
Fig.7
Fig.7
Fig.8
C
R
Fig.10
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 ;
= 100 nF;
= 10 k ;