74HC_HCT423_15 Datasheet, PDF (8/24 Pages) NXP Semiconductors – Dual retriggerable monostable multivibrator with reset

NXP Semiconductors
74HC423; 74HCT423
Dual retriggerable monostable multivibrator with reset
10. Dynamic characteristics
Table 7. Dynamic characteristics
GND = 0 V; test circuit see Figure 12.
Symbol Parameter Conditions
25 C
40 C to 40 C to Unit
+85 C +125 C
Min Typ Max Min Max Min Max
74HC423
t_pd
propagation nA or nB to nQ or nQ; R_EXT = 5 k;
delay
C_EXT = 0 pF; see Figure 7
V_CC = 2.0 V
V_CC = 4.5 V
V_CC = 5.0 V; C_L = 15 pF
V_CC = 6.0 V
nRD to nQ or nQ; see Figure 7
[1]
-
-
-
-
[1]
80 255 - 320 - 385 ns
29 51 - 64 - 77 ns
25 - - - - - ns
23 43 - 54 - 65 ns
V_CC = 2.0 V
- 66 215 - 270 - 325 ns
V_CC = 4.5 V
- 24 43 - 54 - 65 ns
V_CC = 5.0 V; C_L = 15 pF
- 20 - - - - - ns
V_CC = 6.0 V
- 19 37 - 46 - 55 ns
t_t
transition time see Figure 7
[2]
V_CC = 2.0 V
- 19 75 - 95 - 110 ns
V_CC = 4.5 V
- 7 15 - 19 - 22 ns
V_CC = 6.0 V
- 6 13 - 16 - 19 ns
t_W
pulse width nA input LOW; see Figure 7 and Figure 8
V_CC = 2.0 V
100 11 - 125 - 150 - ns
V_CC = 4.5 V
20 4 - 25 - 30 - ns
V_CC = 6.0 V
17 3 - 21 - 26 - ns
nB input HIGH; see Figure 7 and Figure 8
V_CC = 2.0 V
V_CC = 4.5 V
V_CC = 6.0 V
nRD input LOW; see Figure 7 and Figure 8
100 17
20 6
17 5
- 125 - 150 - ns
- 25 - 30 - ns
- 21 - 26 - ns
V_CC = 2.0 V
V_CC = 4.5 V
V_CC = 6.0 V
nQ HIGH or nQ LOW; V_CC = 5.0 V;
R_EXT = 10 k; C_EXT = 100 nF;
see Figure 7 and Figure 8
100 14 - 125 - 150 - ns
20 5 - 25 - 30 - ns
17 4 - 21 - 26 - ns
- 450 - - - - - s
nQ HIGH or nQ LOW; V_CC = 5.0 V;
R_EXT = 5 k; C_EXT = 0 pF;
V_I = GND to V_CC;
see Figure 7 and Figure 8
[3] _-
75
-
-
-
-
- ns
t_rtrig
retrigger time nA or nB input; V_CC = 5.0 V; R_EXT = 5 k; ^[4] - 110 -
-
-
-
- ns
C_EXT = 0 pF; see Figure 10
74HC_HCT423
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 6 — 19 December 2011
© NXP B.V. 2011. All rights reserved.
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