MC14549B Ver la hoja de datos (PDF) - ON Semiconductor

Número de pieza

componentes Descripción

Fabricante

MC14549B

Successive Approximation Registers

ON Semiconductor 

PROGRAMMABLE

PULSE

GENERATOR

MC14549B, MC14559B

SWITCHING TIME TEST CIRCUIT AND WAVEFORMS

VDD

Q7

Q6

C

Q5

Q4

SC

Q3

Q2

FF(MR)

Q1

Q0

D

EOC

Sout

VSS

CL

CL

CL

CL

CL

CL

CL

CL

CL

CL

1

fcl

tWH(cl)

50%

C

tsu

50%

SC

D

tsu

tsu

50%

tPLH

tPHL

Q7

50% 90%

10%

tTLH

tTHL

Sout

NOTE: Pin 10 = VSS

tWH(D)

tPLH

50% 90%

10%

tTLH

TIMING DIAGRAM

CLOCK

SC

D

ÉÉ Q7

ÉÉ Q6

ÉÉ Q5

ÉÉ Q4

ÉÉ Q3

ÉÉ Q2

ÉÉ Q1

ÉÉ Q0

ÉÉ EOC

ÉÉÉÉÉÉ Sout

INH Q7 Q6 INH Q7 Q6 Q5 Q4 Q3 Q2 Q1 Q0 Q8* INH

— Don’t care condition

INH — Indicates Serial Out is inhibited low.

* — Q8 is ninth−bit of serial information available from 8−bit register.

NOTE: Pin 10 = VSS

http://onsemi.com

4

Share Link: