54AC280DMQB National Semiconductor, 54AC280DMQB Datasheet

54AC280DMQB

Manufacturer Part Number
54AC280DMQB
Description
Manufacturer
National Semiconductor
Datasheet
1.54AC280DMQB.pdf (6 pages)

Specifications of 54AC280DMQB

Logical Function
Parity Gen/Checker
Logic Family
AC
Number Of Elements
1
Number Of Bits
9
Propagation Delay Time
20ns
High Level Output Current
-24mA
Low Level Output Current
24mA
Operating Supply Voltage (typ)
2.5/3.3/5V
Package Type
CDIP
Operating Temp Range
-55C to 125C
Operating Supply Voltage (min)
2V
Operating Supply Voltage (max)
6V
Quiescent Current
80nA
Pin Count
14
Mounting
Through Hole
Operating Temperature Classification
Military
Technology
CMOS
Lead Free Status / RoHS Status
Not Compliant
© 1998 National Semiconductor Corporation
54AC280
9-Bit Parity Generator/Checker
General Description
The ’AC280 is a high-speed parity generator/checker that
accepts nine bits of input data and detects whether an even
or an odd number of these inputs is HIGH. If an even number
of inputs is HIGH, the Sum Even output is HIGH. If an odd
number is HIGH, the Sum Even output is LOW. The Sum
Odd output is the complement of the Sum Even output.
Logic Symbols
FACT
I
0
–I
O
E
Names
™
8
Pin
is a trademark of Fairchild Semiconductor Corporation.
Data Inputs
Odd Parity Output
Even Parity Output
Description
IEEE/IEC
DS100359-4
DS100359
DS100359-1
Features
n I
n 9-bit width for memory applications
n Standard Microcircuit Drawing (SMD) 5962-92201
Connection Diagrams
Truth Table
H = HIGH Voltage Level
L = LOW Voltage Level
0, 2, 4, 6, 8
1, 3, 5, 7, 9
CC
HIGH Inputs
reduced by 50%
Number of
I
0
–I
8
Pin Assignment for LCC
Pin Assignment for
DIP and Flatpak
Even
H
L
DS100359-2
Outputs
DS100359-3
September 1998
www.national.com
Odd
H
L

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54AC280DMQB Summary of contents

Page 1

... Data Inputs 0 8 Odd Parity Output O Even Parity Output E FACT ™ trademark of Fairchild Semiconductor Corporation. © 1998 National Semiconductor Corporation DS100359 September 1998 Features n I reduced by 50 9-bit width for memory applications n Standard Microcircuit Drawing (SMD) 5962-92201 Connection Diagrams Pin Assignment for ...

Page 2

Logic Diagram Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays. www.national.com 2 DS100359-5 ...

Page 3

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage ( Input Diode Current ( −0. 0. Input Voltage (V ) −0. Output Diode Current ( −0. 0. Output Voltage (V ) −0. Output Source or Sink Current ( Ground Current ...

Page 4

DC Characteristics for ’AC Family Devices Symbol Parameter I Maximum Quiescent CC Supply Current Note 2: All outputs loaded; thresholds on input associated with output under test. Note 3: Maximum test duration 2.0 ms, one output loaded at a time. ...

Page 5

Physical Dimensions inches (millimeters) unless otherwise noted 20 Terminal Ceramic Leadless Chip Carrier 14 Lead Ceramic Dual-In-Line Package NS Package Number E20A NS Package Number J14A 5 www.national.com ...

Page 6

... National Semiconductor Asia Pacific Customer Fax: +49 (0) 1 80-530 85 86 Response Group Email: europe.support@nsc.com Tel: 65-2544466 Fax: 65-2504466 Tel: +49 (0) 1 80-532 78 32 Email: sea.support@nsc.com Tel: +49 (0) 1 80-534 16 80 National Semiconductor Japan Ltd. Tel: 81-3-5620-6175 Fax: 81-3-5620-6179 ...

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