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Número de pieza
componentes Descripción
HT9170B_02 Ver la hoja de datos (PDF) - Holtek Semiconductor
Número de pieza
componentes Descripción
Fabricante
HT9170B_02
DTMF Receiver
Holtek Semiconductor
HT9170B_02 Datasheet PDF : 13 Pages
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HT9170B/HT9170D
Timing Diagrams
t
R E J
Tone
Tone n
t
IR
t
IA
Tone n+1
t
D P
EST
t
D P
t
A C C
t
D A
t
D P
V
TRT
R T /G T
D 0~D 3
DV
OE
Tone C ode n 1
t
P D V
t
P D O
Tone C ode n
t
D O V
t
G T P
t
P D V
t
D D O
Figure 3. Steering timing
t
G T A
Tone C ode n+1
t
E D O
Tone
PW DN
EST
Tone
t
P U
Figure 4. Power up timing
Rev. 1.10
6
September 24, 2002
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