74hct423pw NXP Semiconductors, 74hct423pw Datasheet - Page 6

• Manufacturer Part Number: 74hct423pw
• Description: Dual 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
1998 Jul 08
CC
t
t
t
t
t
t
t
t
t
R
C
SYMBOL
PHL
PHL
THL
W
W
W
W
W
rt
EXT
EXT
Dual retriggerable monostable
multivibrator with reset
category: MSI
/ t
/ t
/ t
TLH
PLH
PLH
r
propagation delay
propagation delay
output transition time
trigger pulse width
trigger pulse width
reset pulse width
output pulse width
output pulse width
retrigger time
external timing resistor
external timing capacitor
nA, nB to nQ, nQ
nR
nA = LOW
nB = HIGH
nR
nQ = HIGH
nQ = LOW
nQ = HIGH
nQ = LOW
nA, nB
= t
f
D
D
= 6 ns; C
PARAMETER
to nQ, nQ
= LOW
L
= 50 pF
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
min. typ. max min max min. max.
100
20
17
100
20
17
100
20
17
10
2
no limits
EXT
/C
80
29
23
66
24
19
19
7
6
11
4
3
17
6
5
14
5
4
450
75
110
EXT
25
)
255
51
43
215
43
37
75
15
13
1000
1000
T
6
amb
74HC
125
25
21
125
25
21
125
25
21
40 to 85
( C)
320
64
54
270
54
46
95
19
16
150
30
26
150
30
26
150
30
26
40 to 125
385
77
65
325
65
55
110
22
19
.
ns
ns
ns
ns
ns
ns
ns
ns
k
pF
UNIT
s
74HC/HCT423
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
5.0
5.0
5.0
2.0
5.0
5.0
(V)
CC
TEST CONDITIONS
Product specification
C
R
C
R
Fig.7
Fig.7
Fig.8
C
R
Figs 7 and 8
C
R
note 1;
Figs 7 and 8
C
R
note 2; Fig. 7
Fig.9
Fig.9; note 3
WAVEFORMS/
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
NOTES
= 0 pF;
= 5 k
= 0 pF;
= 5 k
= 100 nF;
= 10 k ;
= 0 pF;
= 5 k ;
= 0 pF;
= 5 k ;