74AHC138 Philips Semiconductors, 74AHC138 Datasheet - Page 10

• Manufacturer Part Number: 74AHC138
• Description: 3-to-8 line decoder/demultiplexer; inverting
• Manufacturer: Philips Semiconductors

Philips Semiconductors
AC WAVEFORMS
1999 Sep 27
handbook, halfpage
handbook, full pagewidth
3-to-8 line decoder/demultiplexer; inverting
AHC
AHCT
FAMILY
Fig.5
t
t
t
PLH
PLZ
PHZ
A n , E 3
INPUT
Y n
/t
/t
/t
PZL
PHL
TEST
PZH
The address input (A
(E
GND
V OH
V CC
V OL
GND to V
GND to 3.0 V
3
REQUIREMENTS
) to output (Y
t PHL
V
I
INPUT
open
V
GND
CC
CC
V M
S
(1)
n
V M
) propagation delays.
1
(1)
GENERATOR
n
) and enable input
PULSE
50% V
1.5 V
INPUT
V
M
(1)
Fig.7 Load circuitry for switching times.
CC
50% V
50% V
V I
OUTPUT
V
t PLH
MNA373
M
(1)
R T
CC
CC
D.U.T.
V CC
10
V O
handbook, halfpage
AHC
AHCT
FAMILY
Fig.6
E 1 , E 2
INPUT
C L
Y n
The enable input (E
propagation delays.
MNA219
GND
V OH
V OL
1000
V CC
GND to V
GND to 3.0 V
REQUIREMENTS
S1
t PHL
V
I
INPUT
open
GND
V CC
CC
V M
(1)
V M
(1)
1
, E
50% V
1.5 V
2
INPUT
) to output (Y
V
74AHCT138
Product specification
M
74AHC138;
(1)
CC
50% V
50% V
OUTPUT
t PLH
V
MNA374
n
M
)
(1)
CC
CC