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CLC021 Datasheet(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part No. CLC021
Description  SMPTE 259M Digital Video Serializer with EDH Generation and Insertion
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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CLC021
SMPTE 259M Digital Video Serializer with EDH
Generation and Insertion
General Description
The CLC021 SMPTE 259M Digital Video Serializer with EDH
Generation and Insertion is a monolithic integrated circuit
that encodes, serializes and transmits bit-parallel digital data
conforming to SMPTE 125M and 267M component video
and SMPTE 244M composite video standards. The CLC021
can also serialize other 8- or 10-bit parallel data. The
CLC021 operates at data rates from below 100 Mbps to over
400 Mbps. The serial data clock frequency is internally gen-
erated and requires no external frequency setting, trimming
or filtering components*.
Functions performed by the CLC021 include: parallel-to-
serial data conversion, ITU-R BT.601-4 input data clipping,
data encoding using the SMPTE polynomial (X
9+X4+1), data
format conversion from NRZ to NRZI, parallel data clock
frequency multiplication and encoding with the serial data,
and differential, serial output data driving. The CLC021 has
circuitry for automatic EDH character and flag generation
and insertion per SMPTE RP-165. The CLC021 has an
exclusive built-in self-test (BIST) and video test pattern gen-
erator (TPG) with 16 component video test patterns: refer-
ence black, PLL and EQ pathologicals and modified colour
bars in 4:3 and 16:9 raster formats for NTSC and PAL
formats*.
The CLC021 has inputs for enabling sync detection, non-
SMPTE mode operation, enabling the EDH function, NRZ/
NRZI mode control and an external reset control. Outputs
are provided for H, V and F bits, new TRS sync character
position indication, ancilliary data header detection, NTSC/
PAL raster indication and PLL lock detect. Separate power
pins for the output driver, VCO and the serializer improve
power supply rejection, output jitter and noise performance.
The CLC021AVGZ-5.0V is powered by a single +5V supply.
The CLC021AVGZ-3.3V is powered by a single +3.3V sup-
ply. Power dissipation is typically 235 mW including two 75
back-matched output loads. The device is packaged in a
JEDEC metric 44-lead PQFP.
Features
n
SMPTE 259M serial digital video standard compliant
n
Supports all NTSC and PAL standard component and
composite serial video data rates
n
No external serial data rate setting or VCO filtering
components required*
n
Fast VCO lock time: <75 µs at 270 Mbps
n
Built-in self-test (BIST) and video test pattern generator
(TPG) with 16 internal patterns*
n
Automatic EDH character and flag generation and
insertion per SMPTE RP 165
n
Non-SMPTE mode operation as parallel-to-serial
converter
n
NRZ-to-NRZI conversion control
n
HCMOS/LSTTL-compatible data and control inputs and
outputs for CLC021AVGZ-5.0, LVCMOS for
CLC021AVGZ-3.3
n
75
Ω ECL-compatible, differential, serial cable-driver
outputs
n
Single power supply operation: 5V (CLC021AVGZ-5.0)
or 3.3V (CLC021AVGZ-3.3) in TTL or ECL systems
n
Low power: typically 235 mW
n
JEDEC 44-lead metric PQFP package
n
Commercial temperature range 0˚C to +70˚C
* Patents applications made or pending.
Applications
n
SMPTE 259M parallel-to-serial digital video interfaces
for:
— Video cameras
— VTRs
— Telecines
— Video test pattern generators and digital video test
equipment
— Video signal generators
n
Non-SMPTE video applications
n
Other high data rate parallel/serial video and data
applications
Typical Application
10136812
July 2003
© 2003 National Semiconductor Corporation
DS101368
www.national.com




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