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MC74LVX257DG
P1-P3
P4-P6
P7-P8
MC74L
VX257
http://onsemi.com
4
DC CHARACTERISTICS
(V
oltages Referenced to GND)
V
CC
T
A
= 25
°
C
−
40
°
C
≤
T
A
≤
85
°
C
Symbol
Parameter
Condition
(V)
Min
Ty
p
Max
Min
Max
Unit
V
IH
Minimum
High
−
Level
Input
V
oltage
2.0
3.0
3.6
0.75
V
CC
0.7
V
CC
0.7
V
CC
0.75
V
CC
0.7
V
CC
0.7
V
CC
V
V
IL
Maximum
Low
−
Level
Input
V
oltage
2.0
3.0
3.6
0.25
V
CC
0.3
V
CC
0.3
V
CC
0.25
V
CC
0.3
V
CC
0.3
V
CC
V
V
OH
High
−
Level
Output
V
oltage
I
OH
=
−
50
m
A
I
OH
=
−
50
m
A
I
OH
=
−
4 m
A
2.0
3.0
3.0
1.9
2.9
2.58
2.0
3.0
1.9
2.9
2.48
V
V
OL
Low
−
Level
Output
V
oltage
I
OL
= 5
0
m
A
I
OL
= 5
0
m
A
I
OL
= 4 m
A
2.0
3.0
3.0
0.0
0.0
0.1
0.1
0.36
0.1
0.1
0.44
V
I
OZ
Maximum
3
−
State
Leakage
Current
V
IN
= V
IH
or
V
IL
V
OUT
= V
CC
or
GND
3.6
±
0.1
±
1.0
m
A
I
IN
Input
Leakage
Current
V
IN
= 5
.
5 V o
r GN
D
0 to 3.6
±
0.1
±
1.0
m
A
I
CC
Maximum
Quiescent
Supply
Current
(per
package)
V
IN
= V
CC
or
GND
3.6
1.0
1.0
2.0
40
m
A
AC ELECTRICAL CHARACTERISTICS
Input t
r
= t
f
= 3.0 ns
Symbol
Parameter
T
est Conditions
T
A
= 25
°
C
−
40
°
C
≤
T
A
≤
85
°
C
Unit
Min
Ty
p
Max
Min
Max
t
PLH
,
t
PHL
Maximum Propagation
Delay
, A or B to Y
V
CC
= 2.7 V
C
L
= 15pF
C
L
= 50pF
6.5
9.5
10.0
14.0
1.0
1.0
15.0
18.5
ns
V
CC
= 3.3 V
±
0.3 V
C
L
= 15pF
C
L
= 50pF
4.5
7.5
8.0
12.0
1.0
1.0
10.0
13.5
t
PLH
,
t
PHL
Maximum Propagation
Delay
, S to Y
V
CC
= 2.7 V
C
L
= 15pF
C
L
= 50pF
8.0
10.5
12.0
15.5
1.0
1.0
17.0
20.0
ns
V
CC
= 3.3 V
±
0.3 V
C
L
= 15pF
C
L
= 50pF
6.0
8.5
10.0
13.5
1.0
1.0
12.0
15.5
t
PZL
,
t
PZH
Maximum Output
Enable, T
ime, OE
to Y
V
CC
= 2.7 V
C
L
= 15pF
R
L
= 1 k
W
C
L
= 50pF
7.5
10.5
1
1.5
15.0
1.0
1.0
16.5
18.0
ns
V
CC
= 3.3 V
±
0.3 V
C
L
= 15pF
R
L
= 1 k
W
C
L
= 50pF
5.5
8.5
9.5
13.0
1.0
1.0
1
1.5
15.0
t
PLZ
,
t
PHZ
Maximum Output
Disable, T
ime, OE
to Y
V
CC
= 2.7
C
L
= 50pF
R
L
= 1 k
W
13.0
17.0
1.0
18.0
ns
V
CC
= 3.3 V
±
0.3 V
C
L
= 50pF
R
L
= 1 k
W
12
17.0
1.0
18.0
C
IN
Maximum Input
Capacitance
4
10
10
pF
C
PD
Power Dissipation Capacitance (Note 5)
T
ypical @ 25
°
C, V
CC
= 3.3 V
pF
20
5.
C
PD
is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption with
out load.
Average
operating current can be obtained by the equation: I
CC(OPR
)
= C
PD
V
CC
f
in
+ I
CC
. C
PD
is used to determine the no
−
load dynamic
power consumption; P
D
= C
PD
V
CC
2
f
in
+ I
CC
V
CC
.
MC74L
VX257
http://onsemi.com
5
NOISE CHARACTERISTICS
Input t
r
= t
f
= 3.0 ns, C
L
= 50 pF
, V
CC
= 3.3 V
Symbol
Characteristic
T
A
= 25
°
C
Unit
Ty
p
Max
V
OLP
Quiet Output Maximum Dynamic V
OL
0.3
0.5
V
V
OL
V
Quiet Output Minimum Dynamic V
OL
−
0.3
−
0.5
V
V
IHD
Minimum High Level Dynamic Input V
oltage
2.0
V
V
ILD
Maximum Low Level Dynamic Input V
oltage
0.8
V
A, B or S
Figure 4. Switching W
aveform
Figure 5. Switching W
aveform
Figure 6. T
est Circuit
V
CC
GND
Y
t
PHL
t
PLH
50%
50% V
CC
Figure 7. T
est Circuit
INPUT
*Includes all probe and jig capacitance
OUTPUT
TEST POINT
C
L
*
1 k
W
CONNECT TO V
CC
WHEN
TESTING t
PLZ
AND t
PZL.
CONNECT TO GND WHEN
TESTING t
PHZ
AND t
PZH.
DEVICE
UNDER
TEST
Figure 8. Input Equivalent Circuit
*Includes all probe and jig capacitance
C
L
*
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
50%
50% V
CC
50% V
CC
V
CC
GND
HIGH
IMPEDANCE
V
OL
+ 0.3V
V
OH
- 0.3V
Y
Y
OE
t
PZL
t
PLZ
t
PZH
t
PHZ
HIGH
IMPEDANCE
MC74L
VX257
http://onsemi.com
6
P
ACKAGE DIMENSIONS
SOIC
−
16
CASE 751B
−
05
ISSUE K
NOTES:
1.
DIMENSIONING AND TOLERANCING
PER ANSI
Y14.5M, 1982.
2.
CONTROLLING DIMENSION: MILLIMETER.
3.
DIMENSIONS A AND B DO NOT INCLUDE MOLD
PROTRUSION.
4.
MAXIMUM MOLD PROTRUSION 0.15 (0.006) PER SIDE.
5.
DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR PROTRUSION
SHALL BE 0.127 (0.005) TOT
AL IN EXCESS OF THE D
DIMENSION AT MAXIMUM MA
TERIAL
CONDITION.
18
16
9
SEA
TING
PLANE
F
J
M
R
X 45
_
G
8 PL
P
−
B
−
−
A
−
M
0.25 (0.010)
B
S
−
T
−
D
K
C
16 PL
S
B
M
0.25 (0.010)
A
S
T
DIM
MIN
MAX
MIN
MAX
INCHES
MILLIMETERS
A
9.80
10.00
0.386
0.393
B
3.80
4.00
0.150
0.157
C
1.35
1.75
0.054
0.068
D
0.35
0.49
0.014
0.019
F
0.40
1.25
0.016
0.049
G
1.27 BSC
0.050 BSC
J
0.19
0.25
0.008
0.009
K
0.10
0.25
0.004
0.009
M
0
7
0
7
P
5.80
6.20
0.229
0.244
R
0.25
0.50
0.010
0.019
____
6.40
16X
0.58
16X
1.12
1.27
DIMENSIONS: MILLIMETERS
1
PITCH
SOLDERING FOOTPRINT
16
89
8X
P1-P3
P4-P6
P7-P8
MC74LVX257DG
Mfr. #:
Buy MC74LVX257DG
Manufacturer:
ON Semiconductor
Description:
Encoders, Decoders, Multiplexers & Demultiplexers 2-3.6V Quad 3-State 2-Channel
Lifecycle:
New from this manufacturer.
Delivery:
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