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74ACT157MTR
P1-P3
P4-P6
P7-P9
P10-P10
Obsolete Product(s) - Obsolete Product(s)
74ACT
157
4/10
DC S
PE
CIFICATIONS
1) M
aximum
test du
ration
2m
s
, on
e outpu
t
loa
ded at
time
2
) Inciden
t wave
switc
hing i
s
guara
ntee
d on tras
missi
on lin
es
wi
th imped
ances
as low as
50
Ω
AC E
L
ECTRICAL CHARACTERISTICS
(C
L
= 50 pF, R
L
= 500
Ω
, Inp
ut t
r
= t
f
=
3ns)
(*)
Vo
lta
ge
ra
ng
e i
s 5.
0V
±
0.5V
Symbo
l
Param
eter
T
est Conditi
on
V
alue
Unit
V
CC
(V)
T
A
= 25°
C
-40 to 8
5°C
-55 to 1
25°C
Min.
T
yp.
Max
.
Min.
Ma
x.
Mi
n.
Max.
V
IH
High Lev
el Input
V
oltage
4.5
V
O
= 0.1 V
or
V
CC
-0.1V
2.0
1.5
2.0
2.
0
V
5.5
2.0
1.5
2.0
2.
0
V
IL
Low Lev
el Input
V
oltage
4.5
V
O
= 0.1 V
or
V
CC
-0.1V
1.5
0.8
0.8
0
.8
5.5
1.5
0.8
0.8
0
.8
V
V
OH
High Lev
el Output
V
oltage
4.5
I
O
=-50
µ
A
4.4
4.49
4.4
4.4
5.5
I
O
=-50
µ
A
5.4
5.49
5.4
5.4
4.5
I
O
=-24 mA
3.86
3.76
3.7
V
5.5
I
O
=-24 mA
4.86
4.76
4.7
V
OL
Low Lev
el Output
V
oltage
4.5
I
O
=50
µ
A
0.001
0.1
0.1
0.1
5.5
I
O
=50
µ
A
0.001
0.1
0.1
0.1
4.5
I
O
=24 mA
0.36
0.4
4
0.5
5.5
I
O
=24 mA
0.36
0.4
4
0.5
I
I
Input Le
akage Cur-
rent
5.5
V
I
= V
CC
or GN
D
± 0.1
± 1
± 1
µ
A
I
CCT
Max I
CC
/Input
5.5
V
I
= V
CC
- 2.1V
0.6
1.5
1.6
mA
I
CC
Quiesce
nt Supply
Current
5.5
V
I
= V
CC
or GN
D
44
0
8
0
µ
A
I
OLD
Dynamic
Output
Current (
note 1, 2)
5.5
V
OLD
= 1.65
V max
75
50
m
A
I
OHD
V
OHD
= 3.85 V
min
-75
-50
mA
Symbo
l
Param
eter
T
est Conditi
on
V
alue
Unit
V
CC
(V)
T
A
= 25°
C
-40 to 8
5°C
-55 to 1
25°C
Min.
T
yp.
Max
.
Min.
Max.
Mi
n.
M
ax.
t
PLH
t
PHL
Propagatio
n Delay
Time SELECT to
Y
5.0
(*)
1.5
5.5
9.0
1.5
10.0
1.5
1
1.3
ns
t
PLH
t
PHL
Propagatio
n Delay
Time STROBE
to Y
5.0
(*)
1.5
6.5
8.5
1.5
9.0
1.
5
1
1.5
ns
t
PLH
t
PHL
Propagatio
n Delay
Time A, B to Y
5.0
(*)
1.5
6.5
9.0
1.5
8.5
1.
5
10.8
ns
Obsolete Product(s) - Obsolete Product(s)
74ACT
157
5/10
CAPACITIVE CHARA
CT
ERISTICS
1)
C
PD
is
defi
ned as
the valu
e of th
e IC’s i
nternal
equiva
lent c
apacitan
ce whi
ch is cal
cula
t
e
d f
rom
the oper
ating c
urren
t consu
mpti
on
wi
tho
ut
lo
ad. (Ref
er to Tes
t
Cir
c
u
it). Avera
ge oper
ating cu
rrent
can be ob
t
ai
ned by the fo
llow
ing equat
ion. I
CC(opr)
= C
PD
x V
CC
x f
IN
+ I
CC
/n (
per
ci
rcuit
)
TEST CIRCUIT
C
L
= 50p
F
or equ
ivalent
(in
c
lud
es jig and p
robe ca
pacit
ance)
R
L
= R
1
= 500
Ω
or
equi
valent
R
T
= Z
OUT
of pu
ls
e genera
t
or (typically 50
Ω
)
Symbo
l
Param
eter
T
est Conditi
on
V
alue
Unit
V
CC
(V)
T
A
= 25°
C
-40 to 8
5°C
-55 to 1
25°C
Min.
T
yp.
Max
.
Min.
Max.
Mi
n.
M
ax.
C
IN
Input Ca
p
acitance
5.0
5.5
pF
C
PD
Power D
issipation
Capacitance (
note
1)
5.0
f
IN
= 10M
Hz
37
pF
Obsolete Product(s) - Obsolete Product(s)
74ACT
157
6/10
WAV
E
FORM 1: PRO
PAGAT
ION DELAYS
FOR INVERTING CO
NDI
TIONS
(f
=1M
Hz
; 50%
duty cycle)
WAVEFORM 2: PROPAGATION DELAYS
FOR NO
N-INVERTING CONDIT
IONS
(f=1M
Hz; 50
% duty
cycle)
P1-P3
P4-P6
P7-P9
P10-P10
74ACT157MTR
Mfr. #:
Buy 74ACT157MTR
Manufacturer:
STMicroelectronics
Description:
Encoders, Decoders, Multiplexers & Demultiplexers Quad 2-Ch Multiplexr
Lifecycle:
New from this manufacturer.
Delivery:
DHL
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Ups
TNT
EMS
Payment:
T/T
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