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MC14549B Ver la hoja de datos (PDF) - Motorola => Freescale

Número de pieza
componentes Descripción
Fabricante
MC14549B
Motorola
Motorola => Freescale Motorola
MC14549B Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
PROGRAMMABLE
PULSE
GENERATOR
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
C
SC
D
Q7
Sout
CL
CL
CL
CL
CL
1
fcl
tWH(cl)
50%
tsu
50%
tsu
50%
tPLH
50% 90%
tTLH
CL
tsu
tPHL
10%
tTHL
NOTE: Pin 10 = VSS
tWH(D)
tPLH
50% 90%
10%
tTLH
TIMING DIAGRAM
CLOCK
SC
ÉÉÉ D
ÉÉÉ Q7
ÉÉÉ Q6
ÉÉÉ Q5
ÉÉÉÉÉÉ Q4
ÉÉÉ Q3
ÉÉÉ Q2
ÉÉÉ Q1
ÉÉÉ Q0
ÉÉÉ EOC
ÉÉÉ Sout
INH Q7 Q6 INH Q7 Q6 Q5 Q4 Q3 Q2 Q1 Q0 Q8* INH
ÉÉÉ— Don’t care condition
ÉÉÉINH — Indicates Serial Out is inhibited low.
* — Q8 is ninth–bit of serial information available from 8–bit register.
NOTE: Pin 10 = VSS
MC14549B MC14559B
4
MOTOROLA CMOS LOGIC DATA

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