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74LV123D,118 Datasheet PDF : 24 Pages
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NXP Semiconductors
74LV123
Dual retriggerable monostable multivibrator with reset
10. Dynamic characteristics
Table 7. Dynamic characteristics
GND = 0 V; tr = tf 2.5 ns; for test circuit see Figure 8.
Symbol Parameter
Conditions
Propagation delay; see Figure 7
tpd
propagation delay nRD, nA and nB to nQ
VCC = 1.2 V
VCC = 2.0 V
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
VCC = 4.5 V to 5.5 V
nRD to nQ (reset)
VCC = 1.2 V
VCC = 2.0 V
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
VCC = 4.5 V to 5.5 V
Inputs nA, nB and nRD; see Figure 7
tW
pulse width
nA = LOW
VCC = 2.0 V
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
VCC = 4.5 V to 5.5 V
nB = HIGH
VCC = 2.0 V
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
VCC = 4.5 V to 5.5 V
nRD = LOW; see Figure 13
VCC = 2.0 V
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
VCC = 4.5 V to 5.5 V
trtrig
retrigger time nB to nA; see Figure 12
VCC = 2.0 V
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
VCC = 4.5 V to 5.5 V
40 C to +85 C 40 C to +125 C Unit
Min Typ[1] Max Min
Max
[2]
- 120 -
-
- 40 76
-
- 30 56
-
- 25 48
-
- 18 40
-
[2]
- 100 -
-
- 30 57
-
- 23 43
-
- 20 38
-
- 14 31
-
- ns
92 ns
68 ns
57 ns
46 ns
- ns
68 ns
51 ns
45 ns
36 ns
30 5
-
40
25 3.5 -
30
20 3.0 -
25
15 2.5 -
20
30 13 -
40
25 8
-
30
20 7
-
25
15 5
-
20
35 6
-
45
30 5
-
40
25 4
-
30
20 3
-
25
- 70 -
-
- 55 -
-
- 45 -
-
- 40 -
-
- ns
- ns
- ns
- ns
- ns
- ns
- ns
- ns
- ns
- ns
- ns
- ns
- ns
- ns
- ns
- ns
74LV123
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 7 — 12 December 2011
© NXP B.V. 2011. All rights reserved.
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