MC14099B

http://onsemi.com

5

RESET

DATA

WRITE

DISABLE

A0

A1

A2

(M.S.B.)

7

6

5

4

3

2

ADDRESS

DECODER

TO

OTHER

LATCHES

ZERO

SELECT

OTHER LATCHES

EACH LATCH

14Q5

1Q7

15Q6

13Q4

12Q3

11Q2

10Q1

9Q0

FUNCTION DIAGRAM

TRUTH TABLE

Write

Disable

Reset

Addressed

Latch

Unaddressed

Latches

0

0

Data

0

1

Data

1

0

1

1

Reset

Reset

†Reset to zero state.

CAUTION: To avoid unintentional data changes in the latches, Write

Disable must be active (high) during transitions on the

address inputs A0, A1, and A2.