NXP Semiconductors
74HC138; 74HCT138
3-to-8 line decoder/demultiplexer; inverting
Table 4.
Limiting values
…continued
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol
P
tot
Parameter
total power dissipation
DIP16 package
SO16 package
SSOP16 package
TSSOP16 package
DHVQFN16 package
[1]
[2]
[3]
[4]
For DIP16 package: P
tot
derates linearly with 12 mW/K above 70
°C.
For SO16 package: P
tot
derates linearly with 8 mW/K above 70
°C.
For SSOP16 and TSSOP16 packages: P
tot
derates linearly with 5.5 mW/K above 60
°C.
For DHVQFN16 packages: P
tot
derates linearly with 4.5 mW/K above 60
°C.
Conditions
Min
-
-
-
-
-
Max
750
500
500
500
500
Unit
mW
mW
mW
mW
mW
8. Recommended operating conditions
Table 5.
Recommended operating conditions
Voltages are referenced to GND (ground = 0 V)
Symbol Parameter
V
CC
V
I
V
O
T
amb
Δt/ΔV
supply voltage
input voltage
output voltage
ambient temperature
input transition rise and fall rate
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
Conditions
74HC138
Min
2.0
0
0
−40
-
-
-
Typ
5.0
-
-
+25
-
1.67
-
Max
6.0
V
CC
V
CC
+125
625
139
83
74HCT138
Min
4.5
0
0
−40
-
-
-
Typ
5.0
-
-
+25
-
1.67
-
Max
5.5
V
CC
V
CC
+125
-
139
-
V
V
V
°C
ns/V
ns/V
ns/V
Unit
9. Static characteristics
Table 6.
Static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
T
amb
= 25
°C
Min
74HC138
V
IH
HIGH-level
input voltage
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
V
IL
LOW-level
input voltage
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
1.5
3.15
4.2
-
-
-
1.2
2.4
3.2
0.8
2.1
2.8
-
-
-
0.5
1.35
1.8
1.5
3.15
4.2
-
-
-
-
-
-
0.5
1.35
1.8
1.5
3.15
4.2
-
-
-
-
-
-
0.5
1.35
1.8
V
V
V
V
V
V
Typ
Max
T
amb
=
−40 °C
to
+85
°C
Min
Max
T
amb
=
−40 °C
to Unit
+125
°C
Min
Max
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
5 of 19
PHILIPS [ NXP SEMICONDUCTORS ]
