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TDA9141 Datasheet

PAL/NTSC/SECAM decoder/sync processor

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INTEGRATED CIRCUITS
DATA SHEET
TDA9141
PAL/NTSC/SECAM decoder/sync
processor
Product specification
File under Integrated Circuits, IC02
December 1992


NXP Semiconductors Electronic Components Datasheet

TDA9141 Datasheet

PAL/NTSC/SECAM decoder/sync processor

No Preview Available !

Philips Semiconductors
PAL/NTSC/SECAM decoder/sync processor
Product specification
TDA9141
FEATURES
Multistandard PAL, NTSC and SECAM
I2C-bus controlled
I2C-bus addresses can be selected by hardware
Alignment free
Few external components
Designed for use with baseband delay lines
Integrated video filters
CVBS or YC input with automatic detection
CVBS output
Vertical divider system
Two-level sandcastle signal
VA synchronization pulse (3-state)
HA synchronization pulse or clamping pulse CLP
input/output
Line-locked clock output or stand-alone I2C-bus output
port
Stand-alone I2C-bus input/output port
Colour matrix and fast YUV switch
Comb filter enable input/output with subcarrier
frequency.
GENERAL DESCRIPTION
The TDA9141 is an I2C-bus controlled, alignment-free
PAL/NTSC/SECAM decoder/sync processor. The
TDA9141 has been designed for use with baseband
chrominance delay lines, and has a combined subcarrier
frequency/comb filter enable signal for communication
with a PAL comb filter.
The IC can process CVBS signals and Y/C input signals.
The input signal is available on an output pin, in the event
of a Y/C signal, it is added into a CVBS signal.
The sync processor provides a two-level sandcastle, a
horizontal pulse (CLP or HA pulse, bus selectable) and a
vertical (VA) pulse. When the HA pulse is selected a
line-locked clock (LLC) signal is available at the output port
pin.
A fast switch can select either the internal Y signal with the
UV input signals, or YUV signals made of the RGB input
signals. The RGB input signals can be clamped with either
the internal or an external clamping signal (search tuning
mode).
Two pins with an input/output port and an output port of the
I2C-bus are available.
The I2C-bus address of the TDA9141 is hardware
programmable.
ORDERING INFORMATION
EXTENDED TYPE
NUMBER
TDA9141
PINS
32
Note
1. SOT232-1; 1996 December 4.
PIN POSITION
SDIL
PACKAGE
MATERIAL
plastic
CODE
SOT232(1)
December 1992
2


Part Number TDA9141
Description PAL/NTSC/SECAM decoder/sync processor
Maker NXP
Total Page 25 Pages
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