MC14560BCP Freescale Semiconductor, Inc, MC14560BCP Datasheet - Page 11

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MC14560BCP

Manufacturer Part Number
MC14560BCP
Description
Manufacturer
Freescale Semiconductor, Inc
Datasheet
TRUTH TABLE
Inputs
Outputs
A S
B S
C out
EAC
SGN
OVF
0
0
0
0
0
0
1
0
0
1
1
0
0
0
1
1
1
0
1
1
0
0
1
0
0
0
1
1
1
0
1
0
1
1
0
1
1
1
1
1
B S = (Add/Sub)
B S
A S = Sign of A (“1” = Negative)
B S = Sign of B (“1” = Negative)
C out = Adder Carry Out
Figure 10. Mapping of EAC, Sign and Overflow Logic
MOTOROLA CMOS LOGIC DATA
KARNAUGH MAPS
End Around Carry
A S
0
0
1
B S
0
1
1
C out
C out
0
1
0
0*
0
1
* = Center of Symmetry
1
EAC = S2 (A S B S C out ) + S3 (A S B S C out )
0
= M 3 (A S B S C out )
0
SGN = S2 (A S B S C out ) + S3 (A S B S C out )
= M 3 (A S B S C out )
0
EAC
0
1
1
1
0
1
0
0
Sign (SGN)
Overflow (OVF)
A S
A S
1
1
0
1
B S
B S
0
1
0
0
C out
0*
0
1
0
0
1
0
0
C out
=
OVF
0
0
0
1
1
1
0
0
=
1
1
1
0
0
0
0
0
MC14560B
11

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