74AHCT138 PHILIPS [NXP Semiconductors], 74AHCT138 Datasheet - Page 8

• Manufacturer Part Number: 74AHCT138
• Description: 3-to-8 line decoder/demultiplexer; inverting
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
AC CHARACTERISTICS
Type 74AHC138
GND = 0 V; t
Notes
1. Typical values at V
2. Typical values at V
1999 Sep 27
SYMBOL
V
t
V
t
PHL
PHL
CC
CC
3-to-8 line decoder/demultiplexer; inverting
/t
/t
= 3.0 to 3.6 V; note 1
= 4.5 to 5.5 V; note 2
PLH
PLH
propagation delay
A
propagation delay
E
propagation delay
E
propagation delay
A
propagation delay
E
propagation delay
E
propagation delay
A
propagation delay
E
propagation delay
E
propagation delay
A
propagation delay
E
propagation delay
E
r
n
3
1
n
3
1
n
3
1
n
3
1
= t
PARAMETER
, E
, E
, E
, E
to Y
to Y
to Y
to Y
to Y
to Y
to Y
to Y
f
2
2
2
2
to Y
to Y
to Y
to Y
n
n
n
n
n
n
n
n
3.0 ns.
CC
CC
n
n
n
n
= 3.3 V.
= 5.0 V.
see Figs 5 and 7 15 pF
see Figs 6 and 7
see Figs 5 and 7 50 pF
see Figs 6 and 7
see Figs 5 and 7 15 pF
see Figs 6 and 7
see Figs 5 and 7 50 pF
see Figs 6 and 7
WAVEFORMS
TEST CONDITIONS
C
L
8
MIN.
6.0
5.8
5.7
8.6
8.2
8.2
4.4
4.2
4.2
6.3
6.0
6.0
TYP.
25
11.4
12.8
11.4
15.8
16.3
14.9
8.1
8.1
8.1
10.1
10.1
10.1
MAX. MIN. MAX.
T
amb
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
40 to +85
( C)
13.0
15.0
13.5
18.0
18.5
17.0
9.5
9.5
9.5
11.5
11.5
11.5
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
MIN.
74AHCT138
Product specification
74AHC138;
40 to +125
14.5
16.0
14.5
20.0
20.5
19.0
10.5
10.5
10.5
13.0
13.0
13.0
MAX.
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
UNIT