74AHC_AHCT139_Q100 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 1 — 5 June 2013 4 of 16
NXP Semiconductors 74AHC139-Q100; 74AHCT139-Q100
Dual 2-to-4 line decoder/demultiplexer
6. Functional description
[1] H = HIGH voltage level;
L = LOW voltage level;
X = don’t care.
7. Limiting values
[1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
1Y2 6 output
1Y
3 7 output
GND 8 ground (0 V)
2Y
3 9 output
2Y
2 10 output
2Y
1 11 output
2Y
0 12 output
2A1 13 address input
2A0 14 address input
2E
15 enable input (active LOW)
V
CC
16 supply voltage
Table 2. Pin description …continued
Symbol Pin Description
Table 3. Function table
[1]
Control Input Output
nE nA0 nA1 nY0 nY1 nY2 nY3
H XX HHHH
L LL LHHH
HL HLHH
LH HHLH
HH HHHL
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 +7.0 V
V
I
input voltage 0.5 +7.0 V
I
IK
input clamping current V
I
< 0.5 V
[1]
20 - mA
I
OK
output clamping current V
O
<0.5 V or V
O
> V
CC
+ 0.5 V
[1]
20 +20 mA
I
O
output current V
O
=0.5 V to (V
CC
+ 0.5 V) 25 +25 mA
I
CC
supply current - +75 mA
I
GND
ground current 75 - mA
T
stg
storage temperature 65 +150 C
P
tot
total power dissipation T
amb
= 40 Cto+125C
[2]
- 500 mW
