Datasheet
74LVC138A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 19 October 2011 4 of 16
NXP Semiconductors
74LVC138A
3-to-8 line decoder/demultiplexer; inverting
6. Functional description
[1] H = HIGH voltage level; L = LOW voltage level; X = don’t care
7. Limiting values
[1] The minimum input voltage ratings may be exceeded if the input current ratings are observed.
[2] The output voltage ratings may be exceeded if the output current ratings are observed.
[3] For SO16 packages: above 70 C the value of P
D
derates linearly with 8 mW/K.
For (T)SSOP16 packages: above 60 C the value of P
D
derates linearly with 5.5 mW/K.
For DHVQFN16 packages: above 60 C the value of P
D
derates linearly with 4.5 mW/K.
Table 3. Function table
[1]
Input Output
E1 E2 E3 A0 A1 A2 Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7
HXXXXXHHHHHHHH
XHXXXXHHHHHHHH
XXL XXXHHHHHHHH
L L HLL L L HHHHHHH
HL L HL HHHHHH
L HL HHL HHHHH
HHL HHHL HHHH
L L HHHHHL HHH
HL HHHHHHL HH
L HHHHHHHHL H
HHHHHHHHHHL
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions Min Max Unit
V
CC
supply voltage 0.5 +6.5 V
I
IK
input clamping current V
I
<0 V 50 - mA
V
I
input voltage
[1]
0.5 +6.5 V
I
OK
output clamping current V
O
>V
CC
or V
O
<0 V - 50 mA
V
O
output voltage output HIGH or LOW state
[2]
0.5 V
CC
+0.5 V
I
O
output current V
O
=0 VtoV
CC
- 50 mA
I
CC
supply current - 100 mA
I
GND
ground current 100 - mA
T
stg
storage temperature 65 +150 C
P
tot
total power dissipation T
amb
= 40 C to +125 C
[3]
-500 mW