MC14099B View Datasheet(PDF) - ON Semiconductor

Part Name

Description

MFG CO.

MC14099B

8−Bit Addressable Latches

ON Semiconductor 

RESET 2

DATA 3

WRITE

DISABLE

4

A0 5

A1 6

A2 7

(M.S.B.)

MC14099B

FUNCTION DIAGRAM

TO

OTHER

LATCHES

ZERO

SELECT

ADDRESS

DECODER

EACH LATCH

OTHER LATCHES

9 Q0

10 Q1

11 Q2

12 Q3

13 Q4

14 Q5

15 Q6

1 Q7

TRUTH TABLE

Write

Disable

Addressed Unaddressed

Reset

Latch

Latches

0

0

Data

Qn*

0

1

Data

Reset {

1

0

Qn*

1

1

Reset

*Qn is previous state of latch.

†Reset to zero state.

Qn*

Reset

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.

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