CD40181BMS Datasheet, PDF (8/10 Pages) Intersil Corporation – CMOS 4 Bit Arithmetic Logic Unit

CD40181BMS
TRUTH TABLE
FUNCTION
SELECT
S3 S2 S1 S0
INPUTS/OUTPUTS ACTIVE LOW
LOGIC
FUNCTION
M=H
ARITHMETIC* FUNCTION M = L
Cn = L
Cn = H
FUNCTION
SELECT
S3 S2 S1 S0
INPUTS/OUTPUTS ACTIVE HIGH
LOGIC
FUNCTION
M=H
ARITHMETIC* FUNCTION M = L
Cn = H
Cn = L
0 0 0 0A
0 0 0 1 AB
0 0 1 0 A+B
0 0 1 1 Logic 1
0 1 0 0 A+B
0 1 0 1B
0 1 1 0 A⊕B
0 1 1 1 A+B
1 0 0 0 AB
1 0 0 1 A⊕B
1 0 1 0B
1 0 1 1 A+B
1 1 0 0 Logic 0
1 1 0 1 AB
1 1 1 0 AB
1 1 1 1A
A minus 1
A
0 0 0 0A
AB minus 1
AB
0 0 0 1 A+B
AB minus 1
AB
0 0 1 0 AB
minus 1
Zero
0 0 1 1 Logic 0
A plus (A + B) A plus (A + B) plus 1 0 1 0 0 AB
AB plus (A + B) AB plus (A + B) plus 1 0 1 0 1 B
A minus B minus 1 A minus B
0 1 1 0 A⊕B
A+B
(A + B) plus 1
0 1 1 1 AB
A plus (A + B) A plus (A + B) plus 1 1 0 0 0 A + B
A plus B
A plus B plus 1
1 0 0 1 A⊕B
AB plus (A + B) AB plus (A + B) plus 1 1 0 1 0 B
A+B
A + B plus 1
1 0 1 1 AB
A plus A
A plus A plus 1
1 1 0 0 Logic 1
AB plus A
AB plus A plus 1
1 1 0 1 A+B
AB plus A
AB plus A plus 1
1 1 1 0 A+B
A
A plus 1
1 1 1 1A
A
A+B
A+B
minus 1
A plus AB
(A + B) plus AB
A minus B minus 1
AB minus 1
A plus AB
A plus B
(A + B) plus AB
AB minus 1
A plus A
(A + B) plus A
(A+ B) plus A
A minus 1
A plus 1
(A + B) plus 1
(A + B) plus 1
Zero
A plus AB plus 1
(A + B) plus AB plus 1
A minus B
AB
A plus AB plus 1
A plus B plus 1
(A + B) plus AB plus 1
AB
A plus A plus 1
(A + B) plus A plus 1
(A + B) plus A plus 1
A
* Expressed as two’s complement
1 = High level
0 = Low level
Typical Performance Characteristics
AMBIENT TEMPERATURE (T_A) = +25^oC
30
GATE-TO-SOURCE VOLTAGE (VGS) = 15V
25
20
15
10V
10
5
5V
0
5
10
15
DRAIN-TO-SOURCE VOLTAGE (VDS) (V)
FIGURE 2. TYPICAL OUTPUT LOW (SINK) CURRENT
CHARACTERISTICS
AMBIENT TEMPERATURE (T_A) = +25^oC
15.0
GATE-TO-SOURCE VOLTAGE (VGS) = 15V
12.5
10.0
10V
7.5
5.0
2.5
5V
0
5
10
15
DRAIN-TO-SOURCE VOLTAGE (VDS) (V)
FIGURE 3. MINIMUM OUTPUT LOW (SINK) CURRENT
CHARACTERISTICS
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