74LV123 Philips, 74LV123 Datasheet - Page 7

• Manufacturer Part Number: 74LV123
• Description: Dual retriggerable monostable multivibrator with reset
• Manufacturer: Philips

Philips Semiconductors
AC CHARACTERISTICS
GND = 0V; t
1998 Apr 28
SYMBOL
Dual retriggerable monostable multivibrator
with reset
t
t
t
t
PHL
PLH
PHL
PLH
t
t
t
t
t
t
t
t
t
t
t
t
W
W
W
W
W
W
W
W
W
W
rt
t
r
= t
Propagation delay
Propagation delay
nR
nR
Propagation delay
Propagation delay
nR
nR
Propagation delay
Propagation delay
nR
nR
Propagation delay
Propagation delay
nR
nR
Trigger pulse width
nA = LOW
Trigger pulse width
nB = HIGH
Reset pulse width
nR
Output pulse width
nQ = HIGH
nQ = HIGH
nQ = LOW
Output pulse width
nQ = HIGH
nQ = HIGH
nQ = LOW
Retrigger time
nA, nB
f
Q
Q
gg
gg
PARAMETER
D
D
D
D
D
D
D
D
D
, nA, nB, to nQ
, nA, nB, to nQ
, nA, nB, to nQ
, nA, nB, to nQ
2.5ns; C
gg
to nQ (reset)
to nQ (reset)
to nQ (reset)
to nQ (reset)
= LOW
L
= 50pF; R
C
C
R
WAVEFORM
L
R
R
R
R
R
R
R
R
R
R
Figures 1, 2
Figures 1, 2
C
C
C
C
C
C
C
C
EXT
EXT
EXT
EXT
=1 K
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
Figure 3
Figure 3
EXT
Figure 3
Figure 3
EXT
Figure 3
Figure 3
EXT
Figure 3
Figure 3
EXT
Figure 3
Figure 3
Figure 3
Figure 3
Figure 2
Figure 2
EXT
EXT
Figure 1
EXT
EXT
= 100nF
= 100nF
= 10K
= 5K
= 5K
= 5K
= 5K
= 5K
= 5K
= 0pF
= 0pF
= 0pF
= 0pF
= 0pF
= 0 F
= 0pF
= 0 F
5K
5K
5K
5K
CONDITION
CONDITION
3.0 to 3.6
4.5 to 5.5
3.0 to 3.6
4.5 to 5.5
3.0 to 3.6
4.5 to 5.5
3.0 to 3.6
4.5 to 5.5
3.0 to 3.6
4.5 to 5.5
3.0 to 3.6
4.5 to 5.5
3.0 to 3.6
4.5 to 5.5
3.0 to 3.6
4.5 to 5.5
3.0 to 3.6
4.5 to 5.5
3.0 to 3.6
4.5 to 5.5
V
CC
1.2
2.0
2.7
1.2
2.0
2.7
1.2
2.0
2.7
1.2
2.0
2.7
2.0
2.7
2.0
2.7
2.0
2.7
2.0
2.7
2.0
2.7
2.0
2.7
(V)
7
MIN
30
25
20
15
30
25
20
15
35
30
25
20
–40 to +85 C
TYP
450
430
3.0
2.5
120
120
182
100
100
470
460
100
25
18
25
20
14
20
14
80
70
45
40
3.5
40
30
40
30
30
23
30
23
13
7
5
4
3
90
70
55
5
8
6
5
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
LIMITS
MAX
76
56
48
40
76
56
48
40
57
43
38
31
57
43
38
31
–40 to +125 C
MIN
40
30
25
20
40
30
25
20
45
40
30
25
Product specification
MAX
74LV123
92
68
57
46
92
68
57
46
68
51
45
36
68
51
45
36
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
s