MC14599BCP View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

View to exact match

MC14599BCP

8−Bit Addressable Latches

Motorola => Freescale 

MC14099B

FUNCTION DIAGRAM

RESET 2

DATA 3

9 Q0

WRITE

DISABLE

4

A0 5

A1 6

A2 7

(M.S.B.)

TO

OTHER

LATCHES

ZERO

SELECT

ADDRESS

DECODER

EACH LATCH

OTHER LATCHES

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*

Qn*

1

1

Reset

Reset

* Qn is previous state of latch.

†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.

SWITCHING WAVEFORMS

DATA OR

WRITE DISABLE

OUTPUT Q

50%

tPLH

90%

50%

10%

tTLH

VDD

VSS

VDD

tPHL

ADDRESS

50%

VSS

tsu

tw(L) trem

VDD

tTHL

WRITE

DISABLE

50%

VSS

RESET

tw(H)

VDD

50%

VSS

tPHL

tsu

th

VDD

DATA

50%

VSS

OUTPUT Q

MOTOROLA CMOS LOGIC DATA

MC14099B MC14599B

249

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