74HCT139(2015) 查看數據表（PDF） - NXP Semiconductors.
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74HCT139 Datasheet PDF : 17 Pages
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Nexperia
74HC139; 74HCT139
Dual 2-to-4 line decoder/demultiplexer
10. Dynamic characteristics
Table 7. Dynamic characteristics
Voltages are referenced to GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit see Figure 8.
Symbol Parameter Conditions
Tamb = 25 C
Tamb = 40 C
to +85 C
Tamb = 40 C
to +125 C
Min Typ Max Min Max
Min
Max
74HC139
tpd
propagation nAn to nYn; see Figure 6 [1]
delay
VCC = 2.0 V
-
39 145 -
180
-
220
VCC = 4.5 V
-
14 29
-
36
-
44
VCC = 5.0 V; CL = 15 pF
-
11 -
-
-
-
-
VCC = 6.0 V
-
11 25
-
31
-
38
nE to nYn; see Figure 7 [1]
VCC = 2.0 V
-
33 135 -
170
-
205
VCC = 4.5 V
-
12 27
-
34
-
41
VCC = 5.0 V; CL = 15 pF
-
10 -
-
-
-
-
VCC = 6.0 V
-
10 23
-
29
-
35
tt
transition nYn; see Figure 6 and
[2]
time
Figure 7
VCC = 2.0 V
-
19 75
-
95
-
110
VCC = 4.5 V
-
7 15
-
19
-
22
VCC = 6.0 V
-
6 13
-
16
-
19
CPD
power
CL = 50 pF; f = 1 MHz;
[3] -
42 -
-
-
-
-
dissipation VI = GND to VCC
capacitance
74HCT139
tpd
propagation nAn to Yn; see Figure 6 [1]
delay
VCC = 4.5 V
-
16 34
-
43
-
51
VCC = 5.0 V; CL = 15 pF
-
13 -
-
-
-
-
nE to nYn; see Figure 7 [1]
VCC = 4.5 V
-
16 34
-
43
-
51
VCC = 5.0 V; CL = 15 pF
-
13 -
-
-
-
-
tt
transition nYn; see Figure 6 and
[2]
time
Figure 7
VCC = 4.5 V
-
7 15
-
19
-
22
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
ns
ns
ns
ns
ns
74HC_HCT139
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 11 December 2015
© Nexperia B.V. 2017. All rights reserved
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