74HC240 Datasheet, PDF (7/18 Pages) NXP Semiconductors – Octal buffer/line driver; 3-state; inverting

NXP Semiconductors
74HC240; 74HCT240
Octal buffer/line driver; 3-state; inverting
10. Dynamic characteristics
Table 7. Dynamic characteristics
GND = 0 V; for load circuit see Figure 8.
Symbol Parameter
Conditions
74HC240
t_pd
propagation delay nAn to nYn;
see Figure 6
V_CC = 2.0 V
V_CC = 4.5 V
V_CC = 5.0 V; C_L = 15 pF
V_CC = 6.0 V
t_en
enable time
nOE to nYn; see Figure 7
V_CC = 2.0 V
V_CC = 4.5 V
V_CC = 6.0 V
t_dis
disable time
nOE to nYn or see Figure 7
V_CC = 2.0 V
V_CC = 4.5 V
V_CC = 6.0 V
t_t
transition time
see Figure 6
V_CC = 2.0 V
V_CC = 4.5 V
V_CC = 6.0 V
C_PD
power dissipation per transceiver;
capacitance
V_I = GND to V_CC
25 °C
−40 °C to +125 °C Unit
Min Typ Max Max
Max
(85 °C) (125 °C)
[1]
-
-
-
-
[2]
-
-
-
[3]
-
-
-
[4]
-
-
-
[5]
-
30
100
125
11
20
25
9
-
-
9
17
21
39
150
190
14
30
38
11
26
33
41
150
190
15
30
38
12
26
33
14
60
75
5
12
15
4
10
13
30
-
-
150 ns
30 ns
- ns
26 ns
225 ns
45 ns
38 ns
225 ns
45 ns
38 ns
90 ns
18 ns
15 ns
- pF
74HC_HCT240_3
Product data sheet
Rev. 03 — 2 August 2007
© NXP B.V. 2007. All rights reserved.
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