MC14560BCP

Manufacturer Part NumberMC14560BCP
ManufacturerFreescale Semiconductor, Inc
MC14560BCP datasheet
 
1
Page 1
2
Page 2
3
Page 3
4
Page 4
5
Page 5
6
Page 6
7
Page 7
8
Page 8
9
Page 9
10
Page 10
11
12
13
Page 8/13

Download datasheet (308Kb)Embed
PrevNext
SUMMARY
The concepts of binary code representations for decimal
numbers, addition, and complement subtraction were dis-
cussed in detail. Using the basic Adder and Complementer
MSI blocks, adder/subtracters for both signed and unsigned
numbers were illustrated with examples.
A1
B1
LSD
C in
BASIC
SUBTRACT
C
BLOCK
R1
ADD/SUBTRACT
(“1”/“0”)
Figure 7. Adder/Subtracter for Unsigned NBCD Numbers
MC14560B
8
REFERENCES
1. Chu, Y.: Digital Computer Design Fundamentals , New
York, McGraw–Hill, 1962.
2. McMOS Handbook , Motorola Inc., 1st Edition.
3. Beuscher, H.: Electronic Switching Theory and Circuits ,
New York, Van Nostrand Reinhold, 1971.
4. Garrett, L.: CMOS May Help Majority Logic Win De-
signer’s Vote, Electronics , July 19, 1973.
5. Richards, R.: Digital Design , New York, Wiley–
Interscience, 1971.
A2
B2
MSD
C in
C out
C out
C
R2
1/6 MC14572
OVERFLOW = “1”
1/6 MC14572
Typical Add/Subtract Time = 0.6 + 0.4 n s
where n = Number of Decades
A n
B n
C in
C out
C
R n
UNDERFLOW = “1”
(NEGATIVE RESULT)
MOTOROLA CMOS LOGIC DATA