Datasheet

ManualsBrandsLinear Technology ManualsDAC - Digital to AnalogVideo Encoder 10bit LFCSP-
ADV7390/ADV7391/ADV7392/ADV7393  Data Sheet 
 
Rev. J | Page 68 of 107 
06234-144
PROGRAMMABLE PULSE EDGES
t
PD
t
PD
CVBS/Y
HSYNC
TTX
DATA
t
SYNTTXOUT
10.2µs
TTX
DEL
TTX
ST
t
SYNTTXOUT
 = 10.2µs.
t
PD
 = PIPELINE DELAY THROUGH ADV7390/ADV7391/ADV7392/ADV7393.
TTX
DEL
 = TTX
REQ
TO TTX
DATA
 (PROGRAMMABLE RANGE = 4 BITS [0 TO 15 PIXEL CLOCK CYCLES]).
TTX
REQ
 
Figure 86. Teletext Functionality Diagram 
 
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