ON MC74AC157N Quad 2-input multiplexer Datasheet

MC74AC157, MC74ACT157
Quad 2−Input Multiplexer
The MC74AC157/74ACT157 is a high−speed quad 2−input
multiplexer. Four bits of data from two sources can be selected using
the common Select and Enable inputs. The four outputs present the
selected data in the true (noninverted) form.
The MC74AC157/74ACT157 can also be used as a function
generator.
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Features
• Outputs Source/Sink 24 mA
• ′ACT157 Has TTL Compatible Inputs
• Pb−Free Packages are Available*
PDIP−16
N SUFFIX
CASE 648
16
1
VCC
E
I0c
I1c
Zc
I0d
I1d
Zd
16
15
14
13
12
11
10
9
SOIC−16
D SUFFIX
CASE 751B
16
1
TSSOP−16
DT SUFFIX
CASE 948F
16
1
1
2
3
4
5
6
7
8
S
I0a
I1a
Za
I0b
I1b
Zb
GND
Figure 1. Pinout: 16−Lead Packages Conductors
(Top View)
EIAJ−16
M SUFFIX
CASE 966
16
1
PIN NAMES
TRUTH TABLE
Inputs
PIN
Outputs
E
S
I0
I1
Z
H
L
L
L
L
X
H
H
L
L
X
X
X
L
H
X
L
H
X
X
L
L
H
L
H
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
FUNCTION
I0a−I0d
Source 0 Data Inputs
I1a−I1d
Source 0 Data Inputs
E
Enable Input
S
Select Input
Za−Zd
Outputs
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 3 of this data sheet.
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 6 of this data sheet.
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
 Semiconductor Components Industries, LLC, 2005
January, 2005 − Rev. 6
1
Publication Order Number:
MC74AC157/D
MC74AC157, MC74ACT157
E I0a I1a I0b I1b I0c I1c I0d I1d
S
Za
Zb
Zc
Zd
Figure 2. Logic Symbol
FUNCTIONAL DESCRIPTION
Za = E•(I1a•S+I0a•S)
Zb = E•(I1b•S+I0b•S)
Zc = E•(I1c•S+I0c•S)
Zd = E•(I1d•S+I0d•S)
A common use of the MC74AC157/74ACT157 is the
moving of data from two groups of registers to four common
output busses. The particular register from which the data
comes is determined by the state of the Select input. A less
obvious use is as a function generator. The
MC74AC157/74ACT157 can generate any four of the
sixteen different functions of two variables with one
variable common. This is useful for implementing gating
functions.
The MC74AC157/74ACT157 is a quad 2−input
multiplexer. It selects four bits of data from two sources
under the control of a common Select input (S). The Enable
input (E) is active−LOW. When E is HIGH, all of the outputs
(Z) are forced LOW regardless of all other inputs. The
MC74AC157/74ACT157 is the logic implementation of a
4−pole, 2−position switch where the position of the switch
is determined by the logic levels supplied to the Select input.
The logic equations for the outputs are shown below:
I0a
I1a
Za
I0b
I1b
Zb
NOTE:
I0c
I1c
Zc
I0d
I1d
E
Zd
This diagram is provided only for the understanding of logic
operations and should not be used to estimate propagation delays.
Figure 3. Logic Diagram
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2
S
MC74AC157, MC74ACT157
MARKING DIAGRAMS
PDIP−16
SOIC−16
MC74AC157N
AWLYYWW
AC157
AWLYWW
MC74ACT157N
AWLYYWW
ACT157
AWLYWW
A
WL, L
YY, Y
WW, W
TSSOP−16
EIAJ−16
AC
157
ALYW
74AC157
ALYW
ACT
157
ALYW
74ACT157
ALYW
= Assembly Location
= Wafer Lot
= Year
= Work Week
MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC
DC Supply Voltage (Referenced to GND)
−0.5 to +7.0
V
VIN
DC Input Voltage (Referenced to GND)
−0.5 to VCC +0.5
V
DC Output Voltage (Referenced to GND)
−0.5 to VCC +0.5
V
DC Input Current, per Pin
±20
mA
IOUT
DC Output Sink/Source Current, per Pin
±50
mA
ICC
DC VCC or GND Current per Output Pin
±50
mA
Tstg
Storage Temperature
−65 to +150
°C
VOUT
IIN
Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit
values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied,
damage may occur and reliability may be affected.
RECOMMENDED OPERATING CONDITIONS
Symbol
VCC
VIN, VOUT
tr, tf
Parameter
Supply Voltage
Min
Typ
Max
′AC
2.0
5.0
6.0
′ACT
4.5
5.0
5.5
DC Input Voltage, Output Voltage (Ref. to GND)
IInputt Rise
Ri and
d Fall
F ll Time
Ti
(Note
(N t 1)
′AC
AC Devices except
exce t Schmitt Inputs
In uts
tr, tf
In ut Rise and Fall Time (Note 2)
Input
′ACT Devices except Schmitt Inputs
TJ
Junction Temperature (PDIP)
0
−
VCC
VCC @ 3.0 V
−
150
−
VCC @ 4.5 V
−
40
−
VCC @ 5.5 V
−
25
−
VCC @ 4.5 V
−
10
−
VCC @ 5.5 V
−
8.0
−
−
−
140
Unit
V
V
ns/V
ns/V
°C
TA
Operating Ambient Temperature Range
−40
25
85
°C
IOH
Output Current − High
−
−
−24
mA
IOL
Output Current − Low
−
−
24
mA
1. VIN from 30% to 70% VCC; see individual Data Sheets for devices that differ from the typical input rise and fall times.
2. VIN from 0.8 V to 2.0 V; see individual Data Sheets for devices that differ from the typical input rise and fall times.
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3
MC74AC157, MC74ACT157
DC CHARACTERISTICS
Symbol
Parameter
VCC
(V)
74AC
74AC
TA = +25°C
TA =
−40°C to
+85°C
Typ
VIH
VIL
VOH
VOL
IIN
IOLD
IOHD
ICC
Unit
Conditions
Guaranteed Limits
Minimum
u High
g Level
e e
Input Voltage
3.0
4.5
5.5
1.5
2.25
2.75
2.1
3.15
3.85
2.1
3.15
3.85
V
VOUT = 0.1 V
or VCC − 0.1 V
Maximum
a
u Low
o Level
e e
Input Voltage
3.0
4.5
5.5
1.5
2.25
2.75
0.9
1.35
1.65
0.9
1.35
1.65
V
VOUT = 0.1 V
or VCC − 0.1 V
Minimum
u High
g Level
e e
Output Voltage
3.0
4.5
5.5
2.99
4.49
5.49
2.9
4.4
5.4
2.9
4.4
5.4
V
3.0
4.5
5.5
−
−
−
2.56
3.86
4.86
2.46
3.76
4.76
3.0
4.5
5.5
0.002
0.001
0.001
0.1
0.1
0.1
0.1
0.1
0.1
3.0
4.5
5.5
−
−
−
0.36
0.36
0.36
0.44
0.44
0.44
55
5.5
−
±0 1
±0.1
5.5
−
5.5
−
55
5.5
−
Maximum
a
u Low
o Level
e e
Output Voltage
Maximum
a
u Input
u
Leakage Current
†
†Minimum
Dynamic
y
Output Current
Maximum
a
u Quiescent
Qu esce
Supply Current
IOUT = −50 A
*VIN = VIL or VIH
−12 mA
IOH
−24 mA
−24 mA
V
IOUT = 50 A
V
V
*VIN = VIL or VIH
12 mA
IOL
24 mA
24 mA
±1 0
±1.0
A
VI = VCC, GND
−
75
mA
VOLD = 1.65 V Max
−
−75
mA
VOHD = 3.85 V Min
80
8.0
80
A
VIN = VCC or GND
*All outputs loaded; thresholds on input associated with output under test.
†Maximum test duration 2.0 ms, one output loaded at a time.
NOTE: IIN and ICC @ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V VCC.
AC CHARACTERISTICS (For Figures and Waveforms − See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)
Symbol
VCC*
(V)
Parameter
74AC
74AC
TA = +25°C
CL = 50 pF
TA = −40°C
to +85°C
CL = 50 pF
Min
Typ
Max
Min
Max
Unit
Fig.
No.
tPLH
Propagation
o aga o Delay
e ay
S to Zn
3.3
5.0
1.5
1.5
7.0
5.5
11.5
9.0
1.5
1.5
13.0
10.0
ns
3−6
tPHL
Pro agation Delay
Propagation
S to Zn
3.3
5.0
1.5
1.5
6.5
5.0
11.0
8.5
1.5
1.0
12.0
9.5
ns
3−6
tPLH
Propagation
Pro
agation Delay
E to Zn
3.3
5.0
1.5
1.5
7.0
5.5
11.5
9.0
1.5
1.5
13.0
10.0
ns
3−6
tPHL
Pro agation Delay
Propagation
En to Zn
3.3
5.0
1.5
1.5
6.5
5.5
11.0
9.0
1.5
1.0
12
9.5
ns
3−6
tPLH
Pro agation Delay
Propagation
In to Zn
3.3
5.0
1.5
1.5
5.0
4.0
8.5
6.5
1.0
1.0
9.0
7.0
ns
3−5
tPHL
Pro agation Delay
Propagation
In to Zn
3.3
5.0
1.5
1.5
5.0
4.0
8.0
6.5
1.0
1.0
9.0
7.0
ns
3−5
*Voltage Range 3.3 V is 3.3 V ±0.3 V.
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
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4
MC74AC157, MC74ACT157
DC CHARACTERISTICS
Symbol
Parameter
VCC
(V)
74ACT
74ACT
TA = +25°C
TA =
−40°C to
+85°C
Typ
Guaranteed Limits
Unit
Conditions
VIH
Minimum
u High
g Level
e e
Input Voltage
4.5
5.5
1.5
1.5
2.0
2.0
2.0
2.0
V
VOUT = 0.1 V
or VCC − 0.1 V
VIL
Maximum
a
u Low
o Level
e e
Input Voltage
4.5
5.5
1.5
1.5
0.8
0.8
0.8
0.8
V
VOUT = 0.1 V
or VCC − 0.1 V
VOH
Minimum
u High
g Level
e e
Output Voltage
4.5
5.5
4.49
5.49
4.4
5.4
4.4
5.4
V
4.5
5.5
−
−
3.86
4.86
3.76
4.76
4.5
5.5
0.001
0.001
0.1
0.1
0.1
0.1
4.5
5.5
−
−
0.36
0.36
0.44
0.44
V
*VIN = VIL or VIH
24 mA
IOL
24 mA
Maximum
a
u Input
u
Leakage Current
55
5.5
−
±0 1
±0.1
±1 0
±1.0
A
VI = VCC, GND
Additional Max. ICC/Input
5.5
0.6
−
1.5
mA
VI = VCC − 2.1 V
†Minimum Dynamic
O t t Current
Output
C
t
5.5
−
−
75
mA
VOLD = 1.65 V Max
5.5
−
−
−75
mA
VOHD = 3.85 V Min
55
5.5
−
80
8.0
80
A
VIN = VCC or GND
VOL
IIN
ICCT
IOLD
IOHD
ICC
Maximum
a
u Low
o Level
e e
Output Voltage
Maximum
a
u Quiescent
Qu esce
Supply Current
IOUT = −50 A
*VIN = VIL or VIH
−24 mA
IOH
−24 mA
V
IOUT = 50 A
V
*All outputs loaded; thresholds on input associated with output under test.
†Maximum test duration 2.0 ms, one output loaded at a time.
AC CHARACTERISTICS (For Figures and Waveforms − See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)
Symbol
VCC*
(V)
Parameter
74ACT
74ACT
TA = +25°C
CL = 50 pF
TA = −40°C
to +85°C
CL = 50 pF
Unit
Fig.
No.
Min
Typ
Max
Min
Max
50
5.0
20
2.0
−
90
9.0
15
1.5
10 0
10.0
ns
3−6
Pro agation Delay
Propagation
S to Zn
50
5.0
20
2.0
−
95
9.5
20
2.0
10 5
10.5
ns
3−6
tPLH
Pro agation Delay
Propagation
En to Zn
50
5.0
15
1.5
−
10
15
1.5
11 5
11.5
ns
3−6
tPHL
Pro agation Delay
Propagation
En to Zn
50
5.0
15
1.5
−
85
8.5
10
1.0
90
9.0
ns
3−6
tPLH
Pro agation Delay
Propagation
In to Zn
50
5.0
15
1.5
−
70
7.0
10
1.0
85
8.5
ns
3−5
tPHL
Propagation
Pro
agation Delay
In to Zn
50
5.0
15
1.5
−
75
7.5
10
1.0
85
8.5
ns
3−5
tPLH
Propagation
Pro
agation Delay
S to Zn
tPHL
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
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5
MC74AC157, MC74ACT157
CAPACITANCE
Symbol
Parameter
Value
Typ
Unit
Test Conditions
CIN
Input Capacitance
4.5
pF
VCC = 5.0 V
CPD
Power Dissipation Capacitance
50
pF
VCC = 5.0 V
ORDERING INFORMATION
Package
Shipping†
MC74AC157N
PDIP−16
25 Units / Rail
MC74AC157NG
PDIP−16
(Pb−Free)
25 Units / Rail
MC74ACT157N
PDIP−16
25 Units / Rail
MC74AC157D
SOIC−16
48 Units / Rail
MC74ACT157D
SOIC−16
48 Units / Rail
MC74ACT157DG
SOIC−16
(Pb−Free)
48 Units / Rail
MC74AC157DR2
SOIC−16
2500 Tape & Reel
MC74AC157DR2G
SOIC−16
(Pb−Free)
2500 Tape & Reel
MC74ACT157DR2
SOIC−16
2500 Tape & Reel
MC74ACT157DR2G
SOIC−16
(Pb−Free)
2500 Tape & Reel
MC74AC157DT
TSSOP−16*
96 Units / Rail
MC74ACT157DT
TSSOP−16*
96 Units / Rail
MC74AC157DTR2
TSSOP−16*
2500 Tape & Reel
MC74ACT157DTR2
mber
Device Order N
Number
TSSOP−16*
2500 Tape & Reel
MC74AC157M
EIAJ−16
50 Units / Rail
MC74ACT157M
EIAJ−16
50 Units / Rail
MC74AC157MEL
EIAJ−16
2000 Tape & Reel
MC74ACT157MEL
EIAJ−16
2000 Tape & Reel
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
*This package is inherently Pb−Free.
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6
MC74AC157, MC74ACT157
PACKAGE DIMENSIONS
PDIP−16
N SUFFIX
CASE 648−08
ISSUE T
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION L TO CENTER OF LEADS
WHEN FORMED PARALLEL.
4. DIMENSION B DOES NOT INCLUDE
MOLD FLASH.
5. ROUNDED CORNERS OPTIONAL.
−A−
16
9
1
8
B
F
C
L
DIM
A
B
C
D
F
G
H
J
K
L
M
S
S
SEATING
PLANE
−T−
K
H
G
D
M
J
16 PL
0.25 (0.010)
T A
M
M
INCHES
MIN
MAX
0.740 0.770
0.250 0.270
0.145 0.175
0.015 0.021
0.040
0.70
0.100 BSC
0.050 BSC
0.008 0.015
0.110 0.130
0.295 0.305
0
10 0.020 0.040
MILLIMETERS
MIN
MAX
18.80 19.55
6.35
6.85
3.69
4.44
0.39
0.53
1.02
1.77
2.54 BSC
1.27 BSC
0.21
0.38
2.80
3.30
7.50
7.74
0
10 0.51
1.01
SOIC−16
D SUFFIX
CASE 751B−05
ISSUE J
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.
−A−
16
9
−B−
1
P
8 PL
0.25 (0.010)
8
M
B
S
G
R
K
F
X 45 C
−T−
SEATING
PLANE
J
M
D
16 PL
0.25 (0.010)
M
T B
S
A
S
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7
DIM
A
B
C
D
F
G
J
K
M
P
R
MILLIMETERS
MIN
MAX
9.80
10.00
3.80
4.00
1.35
1.75
0.35
0.49
0.40
1.25
1.27 BSC
0.19
0.25
0.10
0.25
0
7
5.80
6.20
0.25
0.50
INCHES
MIN
MAX
0.386
0.393
0.150
0.157
0.054
0.068
0.014
0.019
0.016
0.049
0.050 BSC
0.008
0.009
0.004
0.009
0
7
0.229
0.244
0.010
0.019
MC74AC157, MC74ACT157
PACKAGE DIMENSIONS
TSSOP−16
DT SUFFIX
CASE 948F−01
ISSUE O
16X K REF
0.10 (0.004)
0.15 (0.006) T U
M
T U
V
S
S
S
ÇÇÇ
ÉÉ
ÇÇÇ
ÉÉ
ÇÇÇ
K
K1
2X
L/2
16
9
J1
B
−U−
L
SECTION N−N
J
PIN 1
IDENT.
8
1
N
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSION A DOES NOT INCLUDE MOLD FLASH.
PROTRUSIONS OR GATE BURRS. MOLD FLASH
OR GATE BURRS SHALL NOT EXCEED 0.15
(0.006) PER SIDE.
4. DIMENSION B DOES NOT INCLUDE INTERLEAD
FLASH OR PROTRUSION. INTERLEAD FLASH OR
PROTRUSION SHALL NOT EXCEED
0.25 (0.010) PER SIDE.
5. DIMENSION K DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.08 (0.003) TOTAL IN
EXCESS OF THE K DIMENSION AT MAXIMUM
MATERIAL CONDITION.
6. TERMINAL NUMBERS ARE SHOWN FOR
REFERENCE ONLY.
7. DIMENSION A AND B ARE TO BE DETERMINED
AT DATUM PLANE −W−.
0.25 (0.010)
0.15 (0.006) T U
S
A
−V−
M
N
F
DETAIL E
−W−
C
0.10 (0.004)
−T− SEATING
PLANE
H
D
DETAIL E
G
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8
DIM
A
B
C
D
F
G
H
J
J1
K
K1
L
M
MILLIMETERS
MIN
MAX
4.90
5.10
4.30
4.50
−−−
1.20
0.05
0.15
0.50
0.75
0.65 BSC
0.18
0.28
0.09
0.20
0.09
0.16
0.19
0.30
0.19
0.25
6.40 BSC
0
8
INCHES
MIN
MAX
0.193
0.200
0.169
0.177
−−−
0.047
0.002
0.006
0.020
0.030
0.026 BSC
0.007
0.011
0.004
0.008
0.004
0.006
0.007
0.012
0.007
0.010
0.252 BSC
0
8
MC74AC157, MC74ACT157
PACKAGE DIMENSIONS
EIAJ−16
M SUFFIX
CASE 966−01
ISSUE O
16
LE
9
Q1
M
E HE
1
8
L
DETAIL P
Z
D
e
VIEW P
A
DIM
A
A1
b
c
D
E
e
HE
L
LE
M
Q1
Z
A1
b
0.13 (0.005)
c
M
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS D AND E DO NOT INCLUDE MOLD
FLASH OR PROTRUSIONS AND ARE MEASURED
AT THE PARTING LINE. MOLD FLASH OR
PROTRUSIONS SHALL NOT EXCEED 0.15 (0.006)
PER SIDE.
4. TERMINAL NUMBERS ARE SHOWN FOR
REFERENCE ONLY.
5. THE LEAD WIDTH DIMENSION (b) DOES NOT
INCLUDE DAMBAR PROTRUSION. ALLOWABLE
DAMBAR PROTRUSION SHALL BE 0.08 (0.003)
TOTAL IN EXCESS OF THE LEAD WIDTH
DIMENSION AT MAXIMUM MATERIAL CONDITION.
DAMBAR CANNOT BE LOCATED ON THE LOWER
RADIUS OR THE FOOT. MINIMUM SPACE
BETWEEN PROTRUSIONS AND ADJACENT LEAD
TO BE 0.46 ( 0.018).
0.10 (0.004)
http://onsemi.com
9
MILLIMETERS
MIN
MAX
−−−
2.05
0.05
0.20
0.35
0.50
0.18
0.27
9.90
10.50
5.10
5.45
1.27 BSC
7.40
8.20
0.50
0.85
1.10
1.50
10 0
0.70
0.90
−−−
0.78
INCHES
MIN
MAX
−−−
0.081
0.002
0.008
0.014
0.020
0.007
0.011
0.390
0.413
0.201
0.215
0.050 BSC
0.291
0.323
0.020
0.033
0.043
0.059
10 0
0.028
0.035
−−−
0.031
MC74AC157, MC74ACT157
ON Semiconductor and
are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice
to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability
arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.
“Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All
operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights
nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications
intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should
Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates,
and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death
associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal
Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PUBLICATION ORDERING INFORMATION
LITERATURE FULFILLMENT:
Literature Distribution Center for ON Semiconductor
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Phone: 480−829−7710 or 800−344−3860 Toll Free USA/Canada
Fax: 480−829−7709 or 800−344−3867 Toll Free USA/Canada
Email: [email protected]
N. American Technical Support: 800−282−9855 Toll Free
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ON Semiconductor Website: http://onsemi.com
Order Literature: http://www.onsemi.com/litorder
Japan: ON Semiconductor, Japan Customer Focus Center
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Phone: 81−3−5773−3850
http://onsemi.com
10
For additional information, please contact your
local Sales Representative.
MC74AC157/D
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