MC74AC151, MC74ACT151

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2

Figure 2. Logic Symbol

ZZ

FUNCTIONAL DESCRIPTION

The MC74AC151/74ACT151 is a logic implementation

of a single pole, 8−position switch with the switch position

true and complementary outputs are provided. The Enable

input (E) is active LOW. When it is not activated, the

complementary output is HIGH and the true output is LOW

regardless of all other inputs. The logic function provided at

the output is:

The MC74AC151/74ACT151 provides the ability, in one

package, to select from eight sources of data or control

information. By proper manipulation of the inputs, the

MC74AC151/74ACT151 can provide any logic function of

four variables and its complement.

Z

Z

E

Figure 3. Logic Diagram

NOTE: This diagram is provided only for the

understanding of logic operations and

should not be used to estimate propagation

delays.