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74HCT240 датащи(PDF) 7 Page - SYC Electronica

номер детали 74HCT240
подробное описание детали  Octal buffer/line driver; 3-state; inverting
PDF  18 Pages
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производитель  SYC [SYC Electronica]
домашняя страница  https://www.sycelectronica.com.ar/index.php
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74HCT240 датащи(HTML) 7 Page - SYC Electronica

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74HC_HCT240_3
© NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 03 — 2 August 2007
7 of 18
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
25
°C
−40 °C to +125 °C Unit
Min
Typ
Max
Max
(85
°C)
Max
(125
°C)
74HC240
tpd
propagation delay
nAn to nYn;
see Figure 6
[1]
VCC = 2.0 V
-
30
100
125
150
ns
VCC = 4.5 V
-
11
20
25
30
ns
VCC = 5.0 V; CL =15pF
-
9
-
-
-
ns
VCC = 6.0 V
-
9
17
21
26
ns
ten
enable time
nOE to nYn; see Figure 7
[2]
VCC = 2.0 V
-
39
150
190
225
ns
VCC = 4.5 V
-
14
30
38
45
ns
VCC = 6.0 V
-
11
26
33
38
ns
tdis
disable time
nOE to nYn or see Figure 7
[3]
VCC = 2.0 V
-
41
150
190
225
ns
VCC = 4.5 V
-
15
30
38
45
ns
VCC = 6.0 V
-
12
26
33
38
ns
tt
transition time
see Figure 6
[4]
VCC = 2.0 V
-
14
60
75
90
ns
VCC = 4.5 V
-
5
12
15
18
ns
VCC = 6.0 V
-
4
10
13
15
ns
CPD
power dissipation
capacitance
per transceiver;
VI = GND to VCC
[5]
-30-
-
-
pF



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