MC74HC251ADR2G ON Semiconductor, MC74HC251ADR2G Datasheet

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MC74HC251ADR2G

Manufacturer Part Number
MC74HC251ADR2G
Description
IC MULTIPLEXER 3ST 8INPUT SOIC16
Manufacturer
ON Semiconductor
Series
74HCr
Type
Data Selector/Multiplexerr
Datasheet

Specifications of MC74HC251ADR2G

Circuit
1 x 8:1
Independent Circuits
1
Current - Output High, Low
5.2mA, 5.2mA
Voltage Supply Source
Single Supply
Voltage - Supply
2 V ~ 6 V
Operating Temperature
-55°C ~ 125°C
Mounting Type
*
Package / Case
16-SOIC (0.154", 3.90mm Width)
Product
Multiplexer
Supply Voltage (max)
7 V
Supply Voltage (min)
- 0.5 V
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 55 C
Mounting Style
SMD/SMT
Power Dissipation
500 mW
Package
16SOIC
Logic Family
HC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC74HC251ADR2G
Manufacturer:
ON Semiconductor
Quantity:
1 050
MC74HC251A
8-Input Data Selector/
Multiplexer with
3-State Outputs
High−Performance Silicon−Gate CMOS
inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LSTTL outputs.
determined by the Address Inputs. The Output Enable pin must be a
low level for the selected data to appear at the outputs. If Output
Enable is high, both the Y and the Y outputs are in the
high−impedance state. This 3−state feature allows the HC251 to be
used in bus−oriented systems.
3−state outputs.
Features
© Semiconductor Components Industries, LLC, 2010
January, 2010 − Rev. 0
The MC54/74HC251 is identical in pinout to the LS251. The device
This device selects one of the eight binary Data Inputs, as
The HC251 is similar in function to the HC251 which does not have
Output Drive Capability: 10 LSTTL Loads
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 2 to 6 V
Low Input Current: 1 mA
High Noise Immunity Characteristic of CMOS Devices
These are Pb−Free Devices
1
16
See detailed ordering and shipping information in the package
dimensions section on page 6 of this data sheet.
16
(Note: Microdot may be in either location)
1
A
WL, L
YY, Y
WW, W
G or G
ORDERING INFORMATION
OUTPUT
ENABLE
1
PIN ASSIGNMENT
GND
http://onsemi.com
D3
D2
D1
D0
Y
Y
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Package
CASE 751B
D SUFFIX
SOIC−16
1
2
3
4
5
6
7
8
CASE 948F
DT SUFFIX
TSSOP−16
Publication Order Number:
16
15
14
13
12
10
11
9
16
1
MC74HC251A/D
DIAGRAMS
V
D4
D5
D6
D7
A0
A1
A2
16
1
MARKING
CC
HC251AG
AWLYWW
ALYWG
251A
HC
G

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MC74HC251ADR2G Summary of contents

Page 1

MC74HC251A 8-Input Data Selector/ Multiplexer with 3-State Outputs High−Performance Silicon−Gate CMOS The MC54/74HC251 is identical in pinout to the LS251. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LSTTL outputs. This device ...

Page 2

DATA 15 INPUTS ADDRESS 10 A1 INPUTS OUTPUT ENABLE PIN PIN 8 = GND Figure 1. ...

Page 3

DC ELECTRICAL CHARACTERISTICS Symbol Parameter V Minimum High−Level Input IH Voltage V Maximum Low−Level Input IL Voltage V Minimum High−Level Output OH Voltage V Maximum Low−Level Output OL Voltage I Maximum Input Leakage Current in I Maximum Three−State OZ Leakage ...

Page 4

AC ELECTRICAL CHARACTERISTICS Symbol t , Maximum Propagation Delay, Input D to Output PLH t (Figures 2, 3 and 6) PHL t , Maximum Propagation Delay, Input A to Output PLH t (Figures 3 ...

Page 5

INPUT D 50% 10% t PLH 90% 50% OUTPUT Y 10% t TLH Figure 2. VALID VALID 50% INPUT PLH PHL OUTPUT 50 Figure 4. TEST POINT OUTPUT DEVICE UNDER TEST ...

Page 6

... C OUTPUT 7 ENABLE ORDERING INFORMATION Device MC74HC251ADG MC74HC251ADR2G MC74HC251ADTR2G †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. Figure 8. Expanded Logic Diagram Package SOIC−16 (Pb− ...

Page 7

... G K −T− SEATING PLANE 0.25 (0.010 *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. PACKAGE DIMENSIONS SOIC−16 CASE 751B−05 ISSUE K −B− 0.25 (0.010 SOLDERING FOOTPRINT ...

Page 8

... −V− C 0.10 (0.004) −T− SEATING D PLANE 16X 0.36 *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. PACKAGE DIMENSIONS TSSOP−16 DT SUFFIX CASE 948F−01 ISSUE Ç ...

Page 9

... 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 P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada Fax: 303− ...

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