MC74HC157AFR1 ON Semiconductor, MC74HC157AFR1 Datasheet

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MC74HC157AFR1

Manufacturer Part Number
MC74HC157AFR1
Description
Quad 2-Input Data Selectors/Multiplexers
Manufacturer
ON Semiconductor
Datasheet
MC74HC157A
Quad 2-Input Data
Selectors / Multiplexers
High–Performance Silicon–Gate CMOS
inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LSTTL outputs.
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.
March, 2000 – Rev. 8
The MC74HC157A is identical in pinout to the LS157. The device
This device routes 2 nibbles (A or B) to a single port (Y) as
No. 7A
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 A
High Noise Immunity Characteristic of CMOS Devices
In Compliance with the Requirements Defined by JEDEC Standard
Chip Complexity: 82 FETs or 20.5 Equivalent Gates
Semiconductor Components Industries, LLC, 2000
A INPUTS
B INPUTS
NIBBLE
NIBBLE
OUTPUT
SELECT
ENABLE
A0
A1
A2
A3
B0
B1
B2
B3
X = don’t care
A0 – A3, B0 – B3 = the levels of the
respective Data–Word Inputs.
Output
Enable
11
14
10
13
2
5
3
6
H
L
L
FUNCTION TABLE
LOGIC DIAGRAM
15
1
Inputs
Select
H
X
L
Outputs
Y0 – Y3
A0 – A3
B0 – B3
L
12
4
7
9
Y0
Y1
Y2
Y3
PIN 16 = V CC
PIN 8 = GND
DATA
OUTPUTS
1
16
MC74HC157AN
MC74HC157AD
MC74HC157ADR2
MC74HC157ADT
MC74HC157ADTR2
16
16
1
1
Device
SELECT
ORDERING INFORMATION
1
A
WL = Wafer Lot
YY = Year
WW = Work Week
GND
A0
B0
Y0
A1
B1
Y1
PIN ASSIGNMENT
http://onsemi.com
CASE 751B
= Assembly Location
CASE 648
N SUFFIX
D SUFFIX
PDIP–16
SO–16
CASE 948F
DT SUFFIX
1
2
3
4
5
6
7
8
TSSOP–16
TSSOP–16
TSSOP–16
Publication Order Number:
SOIC–16
SOIC–16
Package
PDIP–16
16
15
14
13
12
11
10
9
16
16
1
1
MC74HC157AN
MC74HC157A/D
V CC
OUTPUT
ENABLE
A3
B3
Y3
A2
B2
Y2
DIAGRAMS
MARKING
AWLYYWW
AWLYWW
HC157A
16
1
2500 / Reel
2500 / Reel
2000 / Box
Shipping
48 / Rail
96 / Rail
ALYW
157A
HC

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MC74HC157AFR1 Summary of contents

Page 1

MC74HC157A Quad 2-Input Data Selectors / Multiplexers High–Performance Silicon–Gate CMOS The MC74HC157A 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 ...

Page 2

... SOIC Package: – from 125 _ C TSSOP Package: – 6.1 mW from 125 _ C For high frequency or heavy load considerations, see Chapter 2 of the ON Semiconductor High–Speed CMOS Data Book (DL129/D). RECOMMENDED OPERATING CONDITIONS Î Î Î Î ...

Page 3

... Current (per Package) Î Î Î Î NOTE: Information on typical parametric values can be found in Chapter 2 of the ON Semiconductor High–Speed CMOS Data Book Î Î Î Î Î Î Î Î Î (DL129/D). ...

Page 4

INPUTS A0, A1, A2, A3 (Pins 2, 5, 11, 14) Nibble A inputs. The data present on these pins is transferred to the outputs when the Select input low level and the Output Enable input is at ...

Page 5

MC74HC157A EXPANDED LOGIC DIAGRAM NIBBLE 11 OUTPUTS OUTPUT ENABLE 1 SELECT http://onsemi.com DATA OUTPUTS ...

Page 6

–T – 0.25 (0.010 –A – –B – –T – SEATING PLANE D 16 ...

Page 7

K 16X REF 0.10 (0.004) 0.15 (0.006 L PIN 1 IDENT. 1 0.15 (0.006 –V– C 0.10 (0.004) –T– SEATING D G PLANE MC74HC157A PACKAGE DIMENSIONS TSSOP–16 DT SUFFIX CASE ...

Page 8

... CENTRAL/SOUTH AMERICA: Spanish Phone: 303–308–7143 (Mon–Fri 8:00am to 5:00pm MST) Email: ONlit–spanish@hibbertco.com ASIA/PACIFIC: LDC for ON Semiconductor – Asia Support Phone: 303–675–2121 (Tue–Fri 9:00am to 1:00pm, Hong Kong Time) Toll Free from Hong Kong & Singapore: 001–800–4422–3781 Email: ONlit– ...

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