DataSheet39.com

What is 74HC157?

This electronic component, produced by the manufacturer "Motorola Semiconductors", performs the same function as "Quad 2-Input Data Selectors/Multiplexers".


74HC157 Datasheet PDF - Motorola Semiconductors

Part Number 74HC157
Description Quad 2-Input Data Selectors/Multiplexers
Manufacturers Motorola Semiconductors 
Logo Motorola Semiconductors Logo 


There is a preview and 74HC157 download ( pdf file ) link at the bottom of this page.





Total 6 Pages



Preview 1 page

No Preview Available ! 74HC157 datasheet, circuit

MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Quad 2-Input Data
Selectors/Multiplexers
High–Performance Silicon–Gate CMOS
The MC54/74HC157A is identical in pinout to the LS157. The device
inputs are compatible with standard CMOS outputs; with pullup resistors,
they are compatible with LSTTL outputs.
This device routes 2 nibbles (A or B) to a single port (Y) as determined by
the Select input. The data is presented at the outputs in noninverted form. A
high level on the Output Enable input sets all four Y outputs to a low level.
The HC157A is similar in function to the HC257 which has 3–state outputs.
Output Drive Capability: 10 LSTTL Loads
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 2.0 to 6.0 V
Low Input Current: 1.0 µA
High Noise Immunity Characteristic of CMOS Devices
In Compliance with the Requirements Defined by JEDEC Standard
No. 7A
Chip Complexity: 82 FETs or 20.5 Equivalent Gates
LOGIC DIAGRAM
NIBBLE
A INPUTS
NIBBLE
B INPUTS
A0 2
A1 5
A2 11
A3 14
B0 3
B1 6
B2 10
B3 13
4 Y0
7 Y1
9 Y2
12 Y3
DATA
OUTPUTS
SELECT
OUTPUT
ENABLE
1
15
PIN 16 = VCC
PIN 8 = GND
MC54/74HC157A
16
1
J SUFFIX
CERAMIC PACKAGE
CASE 620–10
16
1
16
1
N SUFFIX
PLASTIC PACKAGE
CASE 648–08
D SUFFIX
SOIC PACKAGE
CASE 751B–05
16
1
DT SUFFIX
TSSOP PACKAGE
CASE 948F–01
ORDERING INFORMATION
MC54HCXXXAJ
MC74HCXXXAN
MC74HCXXXAD
MC74HCXXXADT
Ceramic
Plastic
SOIC
TSSOP
PIN ASSIGNMENT
SELECT
A0
B0
Y0
A1
B1
Y1
GND
1
2
3
4
5
6
7
8
16 VCC
15
OUTPUT
ENABLE
14 A3
13 B3
12 Y3
11 A2
10 B2
9 Y2
FUNCTION TABLE
Inputs
Output
Outputs
Enable Select Y0 – Y3
HX L
L L A0 – A3
L H B0 – B3
X = don’t care
A0 – A3, B0 – B3 = the levels
of the respective Data–Word
Inputs.
10/95
© Motorola, Inc. 1995
1 REV 6

line_dark_gray
74HC157 equivalent
MC54/74HC157A
–A
16
1
OUTLINE DIMENSIONS
J SUFFIX
CERAMIC PACKAGE
CASE 620–10
9 ISSUE V
–B
8
CL
–T
SEATING
PLANE
F
NK
E
G
D 16 PL
0.25 (0.010) M T A S
M
J 16 PL
0.25 (0.010) M T B S
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION L TO CENTER OF LEAD WHEN
FORMED PARALLEL.
4. DIM F MAY NARROW TO 0.76 (0.030) WHERE
THE LEAD ENTERS THE CERAMIC BODY.
INCHES
MILLIMETERS
DIM MIN MAX MIN MAX
A 0.750 0.785 19.05 19.93
B 0.240 0.295 6.10 7.49
C — 0.200 — 5.08
D 0.015 0.020 0.39 0.50
E 0.050 BSC 1.27 BSC
F 0.055 0.065 1.40 1.65
G 0.100 BSC
2.54 BSC
J 0.008 0.015 0.21 0.38
K 0.125 0.170 3.18 4.31
L 0.300 BSC 7.62 BSC
M 0° 15° 0° 15°
N 0.020 0.040 0.51 1.01
–A
16
1
H
G
9
B
8
N SUFFIX
PLASTIC PACKAGE
CASE 648–08
ISSUE R
FC
S
–T
SEATING
PLANE
K
J
D 16 PL
0.25 (0.010) M T A M
L
M
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.
INCHES
MILLIMETERS
DIM MIN MAX MIN MAX
A 0.740 0.770 18.80 19.55
B 0.250 0.270 6.35 6.85
C 0.145 0.175 3.69 4.44
D 0.015 0.021 0.39 0.53
F 0.040 0.070 1.02 1.77
G
0.100 BSC
2.54 BSC
H
0.050 BSC
1.27 BSC
J 0.008 0.015 0.21 0.38
K 0.110 0.130 2.80 3.30
L 0.295 0.305 7.50 7.74
M
0° 10°
0° 10°
S 0.020 0.040 0.51 1.01
–A
16
1
D SUFFIX
PLASTIC SOIC PACKAGE
CASE 751B–05
ISSUE J
9
–B
8
P 8 PL
0.25 (0.010) M
BM
–T
SEATING
PLANE
G
K
C
D 16 PL
0.25 (0.010) M T B S A S
M
R X 45°
F
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.
MILLIMETERS
INCHES
DIM MIN MAX MIN MAX
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
High–Speed CMOS Logic Data
DL129 — Rev 6
5
MOTOROLA


line_dark_gray

Preview 5 Page


Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for 74HC157 electronic component.


Information Total 6 Pages
Link URL [ Copy URL to Clipboard ]
Product Image
and Detail view

74HC157 Multiplexer


1. 2-Input Multiplexer ( PDF )

[ Learn More ]




Download [ 74HC157.PDF Datasheet ]

Share Link :

Electronic Components Distributor


An electronic components distributor is a company that sources, stocks, and sells electronic components to manufacturers, engineers, and hobbyists.


SparkFun Electronics Allied Electronics DigiKey Electronics Arrow Electronics
Mouser Electronics Adafruit Newark Chip One Stop


Featured Datasheets

Part NumberDescriptionMFRS
74HC151The function is 8-input multiplexer. PhilipsPhilips
74HC151-Q100The function is 8-input multiplexer. NXP SemiconductorsNXP Semiconductors
74HC151DThe function is 8-Channel Multiplexer. ToshibaToshiba

Semiconductors commonly used in industry:

1N4148   |   BAW56   |   1N5400   |   NE555   |  

LM324   |   BC327   |   IRF840  |   2N3904   |  



Quick jump to:

74HC     1N4     2N2     2SA     2SC     74H     BC     HCF     IRF     KA    

LA     LM     MC     NE     ST     STK     TDA     TL     UA    



Privacy Policy   |    Contact Us     |    New    |    Search