74LCX157

Pin settings

5/17

2.3

Truth table

Note:

X : Do not care

2.4

Logic diagram

Figure 4.

Logic diagram

Note:

This logic diagram has not to be used to estimate propagation delays

Table 2. Truth table

Inputs

Output

STROBE

SELECT

A

B

Y

H

XXX

L

LL

L

X

L

LL

H

X

H

LH

X

L

L

LH

X

H

H