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74HC_HCT138 Datasheet(PDF) 7 Page - NXP Semiconductors

Part No. 74HC_HCT138
Description  3-to-8 line decoder/demultiplexer; inverting
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74HC_HCT138 Datasheet(HTML) 7 Page - NXP Semiconductors

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74HC_HCT138
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet
Rev. 5 — 26 January 2015
7 of 19
NXP Semiconductors
74HC138; 74HCT138
3-to-8 line decoder/demultiplexer; inverting
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
Unit
Min
Typ
Max
Min
Max
Min
Max
74HC138
tpd
propagation
delay
An to Yn; see Figure 6
[1]
VCC = 2.0 V
-
41
150
-
190
-
225
ns
VCC = 4.5 V
-
15
30
-
38
-
45
ns
VCC =5V; CL =15pF
-
12
-
-
-
-
-
ns
VCC = 6.0 V
-
12
26
-
33
-
38
ns
E3 to Yn; see Figure 6
[1]
VCC = 2.0 V
-
47
150
-
190
-
225
ns
VCC = 4.5 V
-
17
20
-
38
-
45
ns
VCC =5V; CL =15pF
-
14
-
-
-
-
-
ns
VCC = 6.0 V
-
14
26
-
33
-
38
ns
EntoYn; see Figure 7
[1]
VCC = 2.0 V
-
47
150
-
190
-
225
ns
VCC = 4.5 V
-
17
20
-
38
-
45
ns
VCC =5V; CL =15pF
-
14
-
-
-
-
-
ns
VCC = 6.0 V
-
14
26
-
33
-
38
ns
tt
transition
time
Yn; see Figure 6 and
Figure 7
[2]
VCC = 2.0 V
-
19
75
-
95
-
110
ns
VCC = 4.5 V
-
7
15
-
19
-
22
ns
VCC = 6.0 V
-
6
13
-
16
-
19
ns
CPD
power
dissipation
capacitance
CL =50pF;f= 1 MHz;
VI =GND to VCC
[3]
-67
-
-
-
-
-
pF


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