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MC74VHC157DTR2G

P1-P3P4-P6P7-P7
MC74VHC157
http://onsemi.com
4
DC CHARACTERISTICS (Voltages Referenced to GND)
V
CC
T
A
= 25_C T
A
v85_C −55_C vT
A
v125_C
Symbol Parameter Condition (V) Min Typ Max Min Max Min Max Unit
V
IH
High−Level
Input Voltage
2.0
3.0 to 5.5
1.5
0.7 V
CC
1.5
0.7 V
CC
1.5
0.7 V
CC
V
V
IL
Low−Level
Input Voltage
2.0
3.0 to 5.5
0.5
0.3 V
CC
0.5
0.3 V
CC
0.5
0.3 V
CC
V
V
OH
High−Level
Output Voltage
V
IN
= V
IH
or V
IL
I
OH
= −50 mA
2.0
3.0
4.5
1.9
2.9
4.4
2.0
3.0
4.5
1.9
2.9
4.4
1.9
2.9
4.4
V
V
IN
= V
IH
or V
IL
I
OH
= −4 mA
I
OH
= −8 mA
3.0
4.5
2.58
3.94
2.48
3.8
2.34
3.66
V
OL
Low−Level
Output Voltage
V
IN
= V
IH
or V
IL
I
OL
= 50 mA
2.0
3.0
4.5
0.0
0.0
0.0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
V
V
IN
= V
IH
or V
IL
I
OH
= 4 mA
I
OH
= 8 mA
3.0
4.5
0.36
0.36
0.44
0.44
0.52
0.52
I
IN
Input Leakage
Current
V
IN
= 5.5 V or
GND
0 to 5.5 $0.1 $1.0 $1.0
mA
I
CC
Quiescent
Supply Current
V
IN
= V
CC
or
GND
5.5 4.0 40.0 40.0
mA
AC ELECTRICAL CHARACTERISTICS (Input t
r
= t
f
= 3.0 ns)
T
A
= 25_C T
A
v85_C −55_C vT
A
v125_C
Symbol Characteristic Test Conditions Min Typ Max Typ Max Typ Max Unit
t
PLH
,
t
PHL
Propagation Delay,
A to B to Y
V
CC
= 3.3 $ 0.3 V C
L
= 15 pF
C
L
= 50 pF
6.2
8.7
9.7
13.2
1.0
1.0
11.5
15.0
1.0
1.0
11.5
15.0
ns
V
CC
= 5.0 $ 0.5 V C
L
= 15 pF
C
L
= 50 pF
4.1
5.6
6.4
8.4
1.0
1.0
7.5
9.5
1.0
1.0
7.5
9.5
t
PLH
,
t
PHL
Propagation Delay,
S to Y
V
CC
= 3.3 $ 0.3 V C
L
= 15 pF
C
L
= 50 pF
8.4
10.9
13.2
16.7
1.0
1.0
15.5
19.0
1.0
1.0
15.5
19.0
ns
V
CC
= 5.0 $ 0.5 V C
L
= 15 pF
C
L
= 50 pF
5.3
6.8
8.1
10.1
1.0
1.0
9.5
11.5
1.0
1.0
9.5
11.5
t
PLH
,
t
PHL
Propagation Delay,
E
to Y
V
CC
= 3.3 $ 0.3 V C
L
= 15 pF
C
L
= 50 pF
8.7
11.2
13.6
17.1
1.0
1.0
16.0
19.5
1.0
1.0
16.0
19.5
ns
V
CC
= 5.0 $ 0.5 V C
L
= 15 pF
C
L
= 50 pF
5.6
7.1
8.6
10.6
1.0
1.0
10.0
12.0
1.0
1.0
10.0
12.0
C
IN
Input Capacitance 4 10 10 10 pF
Typical @ 25_C, V
CC
= 5.0 V
C
PD
Power Dissipation Capacitance (Note 7) 20 pF
7. C
PD
is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without 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
.
MC74VHC157
http://onsemi.com
5
NOISE CHARACTERISTICS (Input t
r
= t
f
= 3.0 ns; C
L
= 50 pF; V
CC
= 5.0 V)
Symbol
Characteristic
T
A
= 25_C
Unit
Typ Max
V
OLP
Quiet Output Maximum Dynamic V
OL
0.3 0.8 V
V
OLV
Quiet Output Minimum Dynamic V
OL
*0.3 *0.8 V
V
IHD
Minimum High Level Dynamic Input Voltage 3.5 V
V
ILD
Maximum Low Level Dynamic Input Voltage 1.5 V
A, B, or S
Figure 5. Switching Waveform
E
V
CC
GND
50%
50% V
CC
Figure 6. Inverting Switching
Y
*Includes all probe and jig capacitance.
C
L
*
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
Figure 7. Test Circuit
V
CC
GND
Y
t
PHL
t
PLH
50%
50% V
CC
INPUT
Figure 8. Input Equivalent Circuit
t
PHL
t
PLH
MC74VHC157
http://onsemi.com
6
PACKAGE 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) TOTAL IN EXCESS OF THE D
DIMENSION AT MAXIMUM MATERIAL CONDITION.
18
16 9
SEATING
PLANE
F
J
M
R
X 45
_
G
8 PLP
−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
INCHESMILLIMETERS
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-P3P4-P6P7-P7

MC74VHC157DTR2G

Mfr. #:
Buy MC74VHC157DTR2G
Manufacturer:
ON Semiconductor
Description:
Encoders, Decoders, Multiplexers & Demultiplexers 2-5.5V Quad 2-Channel
Lifecycle:
New from this manufacturer.
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