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74LV423 Datasheet(PDF) 7 Page - NXP Semiconductors

Part No. 74LV423
Description  Dual retriggerable monostable multivibrator with reset
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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74LV423 Datasheet(HTML) 7 Page - NXP Semiconductors

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Philips Semiconductors
Preliminary specification
74LV423
Dual retriggerable monostable multivibrator
with reset
1997 Feb 04
7
AC CHARACTERISTICS
GND = 0V; tr = tf ≤ 2.5ns; CL = 50pF; RL = 1KΩ
CONDITION
LIMITS
SYMBOL
PARAMETER
WAVEFORM
CONDITION
–40 to +85
°C
–40 to +125
°C
UNIT
VCC(V)
MIN
TYP1
MAX
MIN
MAX
1.2
150
Propagation delay
Figure 4
2.0
51
95
116
tPHL
Propagation delay
nRD,nA, nB, to nQ
Figure 4
CEXT = 0pF
R
5k
2.7
38
70
85
ns
nRD, nA, nB, to nQ
REXT = 5kΩ
3.0 to 3.6
302
56
68
4.5 to 5.5
203
38
45
1.2
150
Propagation delay
Figure 4
2.0
51
95
116
tPLH
Propagation delay
nRD,nA, nB, to nQ
Figure 4
CEXT = 0pF
R
5k
2.7
38
70
85
ns
nRD, nA, nB, to nQ
REXT = 5kΩ
3.0 to 3.6
302
56
68
4.5 to 5.5
203
38
45
1.2
120
Propagation delay
Figure 4
2.0
41
77
92
tPHL
Propagation delay
nRD to nQ (reset)
Figure 4
CEXT = 0pF
R
5k
2.7
30
56
68
ns
nRD to nQ (reset)
REXT = 5kΩ
3.0 to 3.6
242
45
54
4.5 to 5.5
183
34
41
1.2
120
Propagation delay
Figure 4
2.0
41
77
92
tPLH
Propagation delay
nRD to nQ (reset)
Figure 4
CEXT = 0pF
R
5k
2.7
30
56
68
ns
nRD to nQ (reset)
REXT = 5kΩ
3.0 to 3.6
242
45
54
4.5 to 5.5
183
34
41
2.0
30
40
tW
Trigger pulse width
Figure 4
2.7
25
30
ns
tW
gg
nA = LOW
Figure 4
3.0 to 3.6
20
25
ns
4.5 to 5.5
15
20
2.0
30
40
tW
Trigger pulse width
Figure 4
2.7
25
30
ns
tW
gg
nB = HIGH
Figure 4
3.0 to 3.6
20
62
25
ns
4.5 to 5.5
15
20
2.0
36
tW
Reset pulse width
Figure 3
2.7
30
40
ns
tW
nRD = LOW
Figure 3
3.0 to 3.6
25
30
ns
4.5 to 5.5
20
25
2.0
tW
Output pulse width
nQ = HIGH
Figures 2 3
2.7
µs
tW
nQ = HIGH
nQ = LOW
Figures 2, 3
3.0 to 3.6
4502
µs
Q
4.5 to 5.5
2.0
tW
Output pulse width
nQ = HIGH
Figures 2 3
2.7
ns
tW
nQ = HIGH
nQ = LOW
Figures 2, 3
3.0 to 3.6
752
ns
Q
4.5 to 5.5
2.0
t t
Retrigger time
Figure 2
2.7
ns
trt
gg
nA, nB
Figure 2
3.0 to 3.6
302
ns
4.5 to 5.5
NOTES ON FOLLOWING PAGE


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