ml6429 Fairchild Semiconductor, ml6429 Datasheet - Page 12
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ml6429
Manufacturer Part Number
ml6429
Description
Quad Video Cable Drivers Filters With Switchable Inputs
Manufacturer
Fairchild Semiconductor
Datasheet
1.ML6429.pdf
(15 pages)
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INPUTS
Bank A:
Bank B:
Other:
12
10
11
12
2
3
4
7
8
9
CV INF /Y1
CV INU A/Y2
CV INF B/Y3
R IN A/Y4
R IN B/Y5
G IN A/Y6
G IN B/Y7
B IN A/C1
B IN B/C2
SYNCIN
23
Figure 8. Synchronizing the Filter Delay with Fast Blanking or Alpha-Key Signals in OSD Applications
GNDO
RGB, CV filtered path
RGB, CV filtered path
CV unfiltered path, Sync IN (slave mode)
19
GENLOCK/CLOCK
GENERATOR
SYNCOUT
ML6431
GND
24
5
V CCO RGB
ML6429
A/B MUX
17
(ON-SCREEN DISPLAY)
1
PROCESSOR
V CCO CV
OSD
13.5MHz/
27MHz
SWAP CVF SWAP CVU
22
13
Figure 9. Basic Application for PAL
FAST BLANKING INTERVAL
OR ALPHA-KEY SIGNAL
CV OUT 1/Y OUT A
CV OUT 2/Y OUT B
G OUT /Y OUT D
R OUT /Y OUT C
B OUT /C OUT
UNFILTERED
V CC
6
14
G
R
B
21
20
18
16
15
DELAY AT 13.5MHz IS APPROXIMATELY 74ns
SCART/QUAD VIDEO
FILTER AND DRIVER
80ns±10ns DELAY
OUTPUTS
Option 1: 2 CV outputs + 2 TV modulator outputs, 1 RGB output
Option 2: 2 CV outputs + 1 TV modulator output, 1 S-video output
Other:
ML6429
220µF
220µF
220µF
NOT REQUIRED FOR DC COUPLED APPLICATIONS
220µF
220µF
D
Standard
Sync output (buffered stripped sync)
74XX
D'FF
Q
75Ω
75Ω
75Ω
75Ω
75Ω
FILTERED
330pF
330pF
R OUTPUT
G OUTPUT
B OUTPUT
VIDEO CABLES
TO MUX OR
OTHER
PROCESSING
FAST BLANKING
INTERVAL
OR ALPHA-KEY
SIGNAL
REV. 1.1 2/8/2001
R/Y
G/Y
B/C
H SYNC OUT
CV/Y
MODULATOR
CV/Y
MODULATOR