NXP Semiconductors
74HC138; 74HCT138
3-to-8 line decoder/demultiplexer; inverting
Table 6.
Static characteristics
…continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
T
amb
= 25
°C
Min
ΔI
CC
additional
supply current
V
I
= V
CC
−
2.1 V;
other inputs at V
CC
or GND;
V
CC
= 4.5 V to 5.5 V;
I
O
= 0 A
per input pin; An inputs
per input pin; En inputs
per input pin; E3 input
C
I
input
capacitance
-
-
-
-
150
125
100
3.5
540
450
360
-
-
-
-
675
562.5
450
-
-
-
735
612.5
490
μA
μA
μA
pF
Typ
Max
T
amb
=
−40 °C
to
+85
°C
Min
Max
T
amb
=
−40 °C
to Unit
+125
°C
Min
Max
10. Dynamic characteristics
Table 7.
Dynamic characteristics
Voltages are referenced to GND (ground = 0 V); C
L
= 50 pF unless otherwise specified; for test circuit see
Symbol Parameter
Conditions
T
amb
= 25
°C
Min
For type 74HC138
t
pd
propagation
delay
An to Yn; see
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 5 V; C
L
= 15 pF
V
CC
= 6.0 V
E3 to Yn; see
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 5 V; C
L
= 15 pF
V
CC
= 6.0 V
En to Yn; see
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 5 V; C
L
= 15 pF
V
CC
= 6.0 V
t
t
transition
time
Yn; see
and
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
C
PD
power
dissipation
capacitance
C
L
= 50 pF; f = 1 MHz;
V
I
= GND to V
CC
T
amb
=
−40 °C
to +85
°C
Min
Max
T
amb
=
−40 °C
to +125
°C
Min
Max
Unit
Typ
Max
-
-
-
-
-
-
-
-
-
-
-
-
41
15
12
12
47
17
14
14
47
17
14
14
150
30
-
26
150
20
-
26
150
20
-
26
-
-
-
-
-
-
-
-
-
-
-
-
190
38
-
33
190
38
-
33
190
38
-
33
-
-
-
-
-
-
-
-
-
-
-
-
225
45
-
38
225
45
-
38
225
45
-
38
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
-
-
-
-
19
7
6
67
75
15
13
-
-
-
-
-
95
19
16
-
-
-
-
-
110
22
19
-
ns
ns
ns
pF
74HC_HCT138
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 4 — 27 June 2012
7 of 19
PHILIPS [ NXP SEMICONDUCTORS ]
