SN74LS280MEL

Manufacturer Part NumberSN74LS280MEL
ManufacturerON Semiconductor
SN74LS280MEL datasheet
 


Specifications of SN74LS280MEL

Logical FunctionParity Gen/CheckerLogic FamilyLS
Number Of Elements1Number Of Bits9
Propagation Delay Time50nsHigh Level Output Current-400uA
Low Level Output Current8mAOperating Supply Voltage (typ)5V
Operating Temp Range0C to 70COperating Supply Voltage (min)4.75V
Operating Supply Voltage (max)5.25VPin Count14
MountingSurface MountOperating Temperature ClassificationCommercial
TechnologyBipolarLead Free Status / RoHS StatusNot Compliant
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SN74LS280
9−Bit Odd/Even Parity
Generators/Checkers
The SN74LS280 is a Universal 9-Bit Parity Generator / Checker. It
features odd / even outputs to facilitate either odd or even parity. By
cascading, the word length is easily expanded.
The LS280 is designed without the expander input implementation,
but the corresponding function is provided by an input at Pin 4 and the
absence of any connection at Pin 3. This design permits the LS280 to
be substituted for the LS180 which results in improved performance.
The LS280 has buffered inputs to lower the drive requirements to one
LS unit load.
Generates Either Odd or Even Parity for Nine Data Lines
Typical Data-to-Output Delay of only 33 ns
Cascadable for n-Bits
Can Be Used To Upgrade Systems Using MSI Parity Circuits
Typical Power Dissipation = 80 mW
INPUTS
V
F
E
D
CC
14
13
12
11
F
E
D
G
H
I
1
2
3
4
G
H
NC
I
INPUT
INPUTS
FUNCTION TABLE
NUMBER OF INPUTS A
THRU 1 THAT ARE HIGH
0, 2, 4, 6, 8
1, 3, 5, 7, 9
H = HIGH Level, L = LOW Level
GUARANTEED OPERATING RANGES
Symbol
Parameter
V
Supply Voltage
CC
T
Operating Ambient
A
Temperature Range
I
Output Current − High
OH
I
Output Current − Low
OL
© Semiconductor Components Industries, LLC, 2006
July, 2006 − Rev. 8
C
B
A
10
9
8
C
B
A
R
R
EVEN
ODD
5
6
7
GND
R
R
EVEN
ODD
OUTPUTS
OUTPUTS
∑EVEN
∑ODD
H
L
L
H
Min
Typ
Max
Unit
4.75
5.0
5.25
V
0
25
70
°C
−0.4
mA
8.0
mA
1
http://onsemi.com
LOW
POWER
SCHOTTKY
14
1
PLASTIC
N SUFFIX
CASE 646
14
1
SOIC
D SUFFIX
CASE 751A
14
1
SOEIAJ
M SUFFIX
CASE 965
ORDERING INFORMATION
Device
Package
Shipping
SN74LS280N
14 Pin DIP
2000 Units/Box
SN74LS280D
SOIC−14
55 Units/Rail
SN74LS280DR2
SOIC−14
2500/Tape & Reel
SN74LS280M
SOEIAJ−14
See Note 1
SN74LS280MEL
SOEIAJ−14
See Note 1
1. For ordering information on the EIAJ version of
the SOIC package, please contact your local
ON Semiconductor representative.
Publication Order Number:
SN74LS280/D

SN74LS280MEL Summary of contents

  • Page 1

    ... Units/Box SN74LS280D SOIC−14 55 Units/Rail SN74LS280DR2 SOIC−14 2500/Tape & Reel SN74LS280M SOEIAJ−14 See Note 1 SN74LS280MEL SOEIAJ−14 See Note 1 1. For ordering information on the EIAJ version of the SOIC package, please contact your local ON Semiconductor representative. Publication Order Number: SN74LS280/D ...

  • Page 2

    A (9) B (10) C (11) D (12) E (13) F (1) G ( CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE Symbol Parameter V Input HIGH Voltage IH V Input LOW Voltage IL V Input Clamp Diode ...

  • Page 3

    −T− SEATING PLANE 0.13 (0.005) −A− −B− −T− SEATING 14 PL PLANE 0.25 (0.010 PACKAGE DIMENSIONS N SUFFIX PLASTIC PACKAGE ...

  • Page 4

    ... 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− ...