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Engineer Mir ABM Jakir Hossain
Information obtained in this work has been obtained by Dynamic Publication, Inc. from
sources to be believed to be reliable. However, neither Dynamic Publication nor its
author’s gurantee the acuracy or completeness of any information published herein and
neither Dynamic Publication nor its authors shall be responsible for any errors, omissions
or damage arising out of use of this information. This book published with the
understanding that Dynamic Publication and its authors are supplying information but not
attempting to render engineering or other professional services. If such services are
required, the assistance of an appropriate professional should be sought.
HATEE KOLOME SIKHI – DIGITAL ELECTRONICS
Copyright © 2013 by Dynamic Publication, Inc. All rights reserved. Printed in the
People Republic Of Bangladesh. Except as permitted under the People Republic Of
Bangladesh Copyright Act, no part of this publication may be reproduce or distributed in
any form or by any means, or stored in a data base or retrieval system, without the prior
written permission of the publisher.
Dynamic Publication books are available at special quantity discounts to use as premium
and sales promotions, or for use in corporate training programs. For more information,
please contact, Director of Special Sales, Dynamic Publication, Phone – 8130600 or
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contact your local bookstore.
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6
।
।
, ,
Chapter
1
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7
। ?
, ।
, . , .
; ,
।
8
, ,
,
,
,
।
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10
।
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11
X X X
X X X X X
X X X X X
12
Most Significant bit]
Less Significant Bit]।
।
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13
14
(BCD)
(BCD)
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(2’s Compliment)
16
=
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17
,
, ’
,
’
+ =
- =
_________________
=
T = 1/f । T = 10ns f = 1/10ns = 100
MHZ
18
।
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20
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21
,
, ,
, , , , ,
Chapter
2
22
,
,
,
,
,
,
IN OUT
0 1
1 0
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24
,
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25
,
,
A B OUT
0 0 0
0 1 0
1 0 0
1 1 1
A B OUT
0 0 1
0 1 1
1 0 1
1 1 0
26
A B OUT
0 0 0
0 1 1
1 0 1
1 1 1
A B OUT
0 0 1
0 1 0
1 0 0
1 1 0
,
A B OUT
0 0 0
0 1 1
1 0 1
1 1 0
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,
A B OUT
0 0 1
0 1 0
1 0 0
1 1 1
28
D + W
D
W
L
Alarm = (D+W).L’
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30
Vcc ।
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31
1.
2. CTRL+J
Search Component
AND Search
3. AND 2 OK OK
4. Battery, SPST, GND, PROBE
32
5. F5
6.
7. Logic
Converter
8.
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9.
10.
11.
34
12.
13.
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,
Chapter
3
36
T S
F = T’ + S’ + E’
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,
, A+B = B+A
, A+(B+C) = (A+B)+C
, A*(B*C) = (A*B)*C
, A(B+C) = AB+AC
38
A+0 = A
A+1 = 1
A.0 = 0
A.1 = A
A+A = A
A+A’ = 1
A.A = A
A.A’ = 0
A’’ = A
A + AB = A
A+A’B = A+B
(A+B)(A+C) = A+BC
AB + A’C + BC
AB + A’C
AB + A’C + BC
’। ’
,
X’Y’ = X’ + Y’
(X+Y)’ = X’Y’
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।
A’.B’ = 0
A’.B’ = A’ + B’
A’ + B’ = 0 A’ + B’ = A’.B’
40
।
।
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41
42
।
।
X Y
X’ Y’ X + Y
X’ Y X + Y’
X Y’ X’ + Y
X Y X’ + Y’
F1 = m1+m2+m7
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000 – 001 – 010 – 011 – 100 – 101 – 110 – 111
m1, m4, m7
001, 100, 111
001 = X’Y’Z, 100 = XY’Z’, 111 = XYZ F1 = X’Y’Z + XY’Z’ + XYZ
Sum of Product ।
A, B, C, D, E, F
44
X = AB + CD + EF
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X = (A+B) (C+D) (E+F)
46
A B
A, B C
।
0 1
0
1
ab
, , 1,2,3,5,6F a b c m
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, ,F a b c ab bc bc ab b c
48
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F F
1. CTRL+J
2. Search
50
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52
, , , ।
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