74AHC157 Philips Semiconductors, 74AHC157 Datasheet - Page 10

• Manufacturer Part Number: 74AHC157
• Description: Quad 2-input multiplexer
• Manufacturer: Philips Semiconductors

Philips Semiconductors
Type 74AHCT157
GND = 0 V; t
Note
1. Typical values at V
AC WAVEFORMS
1999 Sep 24
handbook, halfpage
SYMBOL
V
t
PHL
CC
Quad 2-input multiplexer
AHC
AHCT
FAMILY
Fig.6
nY OUTPUT
/t
E INPUT
= 4.5 to 5.5 V; note 1
PLH
The enable input (E) to output (nY)
propagation delays.
propagation delay
nI
propagation delay
S to nY
propagation delay
E to nY
propagation delay
nI
propagation delay
S to nY
propagation delay
E to nY
r
GND
V OH
V CC
GND to V
GND to 3.0 V
V OL
REQUIREMENTS
= t
0
0
PARAMETER
to nY; nI
to nY; nI
f
V
I
3.0 ns.
INPUT
CC
CC
1
1
V M
to nY
to nY
= 5.0 V.
(1)
V M
(1)
t PHL
see Figs 7 and 8 15 pF
see Figs 6 and 8
see Figs 7 and 8 50 pF
see Figs 6 and 8
50% V
1.5 V
WAVEFORMS
INPUT
TEST CONDITIONS
V
M
(1)
CC
50% V
50% V
OUTPUT
MNA485
V
t PLH
M
(1)
CC
CC
C
L
10
MIN.
handbook, halfpage
AHC
AHCT
FAMILY
Fig.7
nY OUTPUT
nI 0 , nI 1 , S
3.2
3.7
4.7
4.6
5.2
6.7
TYP.
INPUT
25
The data inputs (nI
select input (S) to output (nY) propagation
delays.
GND
V OH
6.4
8.6
8.1
8.7
10.4
10.6
V OL
GND to V
GND to 3.0 V
MAX. MIN. MAX.
REQUIREMENTS
V I
V
T
I
INPUT
amb
1.0
1.0
1.0
1.0
1.0
1.0
CC
40 to +85
( C)
V M
(1)
V M
7.5
10.0
9.5
9.8
12.0
12.0
0
(1)
t PHL
, nI
50% V
1.5 V
1
) and common data
INPUT
1.0
1.0
1.0
1.0
1.0
1.0
V
MIN.
74AHCT157
Product specification
M
74AHC157;
40 to +125
(1)
CC
8.0
11.0
10.5
11.0
13.0
13.5
MAX.
50% V
50% V
OUTPUT
V
MNA486
t PLH
M
(1)
ns
ns
ns
ns
ns
ns
UNIT
CC
CC