74HCT138D View Datasheet(PDF) - Nexperia B.V. All rights reserved
Part Name
Description
Manufacturer
74HCT138D Datasheet PDF : 16 Pages
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Nexperia
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 Fig. 9.
Symbol Parameter Conditions
Tamb = 25 °C
Tamb = -40 °C Tamb = -40 °C Unit
to +85 °C
to +125 °C
Min Typ Max Min Max Min Max
74HC138
tpd
propagation An to Yn; see Fig. 7
delay
VCC = 2.0 V
[1]
-
41 150
-
190
-
225 ns
VCC = 4.5 V
-
15
30
-
38
-
45 ns
VCC = 5 V; CL = 15 pF
-
12
-
-
-
-
- ns
VCC = 6.0 V
-
12
26
-
33
-
38 ns
E3 to Yn; see Fig. 7
[1]
VCC = 2.0 V
-
VCC = 4.5 V
-
VCC = 5 V; CL = 15 pF
-
VCC = 6.0 V
-
En to Yn; see Fig. 8
[1]
47 150
-
190
-
225 ns
17
20
-
38
-
45 ns
14
-
-
-
-
- ns
14
26
-
33
-
38 ns
VCC = 2.0 V
VCC = 4.5 V
VCC = 5 V; CL = 15 pF
VCC = 6.0 V
-
47 150
-
190
-
225 ns
-
17
20
-
38
-
45 ns
-
14
-
-
-
-
- ns
-
14
26
-
33
-
38 ns
tt
transition time Yn; see Fig. 7 and Fig. 8 [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
CL = 50 pF; f = 1 MHz;
[3] -
67
-
-
-
-
- pF
dissipation VI = GND to VCC
capacitance
74HC_HCT138
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 8 — 7 April 2020
© Nexperia B.V. 2020. All rights reserved
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