Functional description

M74HC4094

4/17

DocID1972 Rev 5

2

Functional description

Figure 2. Logic diagram

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

Table 3. Truth table(1)

CK

OE

ST

SI

Parallel outputs

Serial outputs

Q1

Qn

QS

QS’

H

H

L

L

Qn-1

Q7

NC

H

H

H

H

Qn-1

Q7

NC

HL

X

NC

NC

Q7

NC

LX

X

Z

Z

Q7

NC

H

X

X

NCNCNCQS

LX

X

Z

Z

NC

QS

1. X: don’t care

Z: high impedance

NC: no change.