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Numéro de référence | CLC020 | ||
Description | SMPTE 259M Digital Video Serializer with Integrated Cable Driver | ||
Fabricant | National Semiconductor | ||
Logo | |||
1 Page
February 2000
CLC020
SMPTE 259M Digital Video Serializer with Integrated
Cable Driver
General Description
The CLC020 SMPTE 259M Digital Video Serializer with Inte-
grated Cable Driver is a monolithic integrated circuit that en-
codes, serializes and transmits bit-parallel digital data con-
forming to SMPTE 125M and SMPTE 267M component
video and SMPTE 244M composite video standards. The
CLC020 can also serialize other 8 or 10-bit parallel data. The
CLC020 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 compo-
nents, trimming or filtering*. Functions performed by the
CLC020 include: parallel-to-serial data conversion, data en-
coding using the polynomial (X9+X4+1), data format conver-
sion from NRZ to NRZI, parallel data clock frequency multi-
plication and encoding with the serial data, and coaxial cable
driving. Input for sync (TRS) detection disabling and a PLL
lock detect output are provided. The CLC020 has an exclu-
sive built-in self-test (BIST) and video test pattern generator
(TPG) with 4 component video test patterns, reference
black, PLL and EQ pathologicals and modified colour bars, in
4:3 and 16:9 raster and both NTSC and PAL formats*. Sepa-
rate power pins for the output driver, VCO and the digital
logic improve power supply rejection, output jitter and noise
performance.
The CLC020 is the ideal complement to the CLC011B
SMPTE 259M Serial Digital Video Decoder, CLC014 Active
Cable Equalizer, CLC016 Data Retiming PLL (clock-data
separator), CLC018 8X8 Digital Crosspoint Switch and
CLC006 or CLC007 Cable Drivers, for a complete
parallel-serial-parallel, high-speed data processing and
transmission system.
The CLC020 is powered from a single 5V supply. Power dis-
sipation is typically 235 mW including two 75Ω
back-matched output loads. The device is packaged in a
JEDEC 28-lead PLCC.
Features
n SMPTE 259M serial digital video standard compliant
n No external serial data rate setting or VCO filtering
components required*
n Built-in self-test (BIST) and video test pattern generator
(TPG) with 16 internal patterns*
n Supports all NTSC and PAL standard component and
composite serial video data rates
n HCMOS/TTL-compatible data and control inputs and
outputs
n 75Ω ECL-compatible, differential, serial cable-driver
outputs
n Fast VCO lock time: <75 µs
n Single +5V TTL or −5V ECL supply operation
n Low power: 235 mW typical
n 28-lead PLCC package
n Commercial temperature range 0˚C to +70˚C
Applications
n SMPTE 259M parallel-to-serial digital video interfaces
for:
— Video cameras
— VTRs
— Telecines
— Video test pattern generators and digital video test
equipment
n Non-SMPTE video applications
n Other high data rate parallel/serial video and data
systems
* Patents applications made or pending.
Typical Application
DS100917-12
© 2000 National Semiconductor Corporation DS100917
www.national.com
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Pages | Pages 15 | ||
Télécharger | [ CLC020 ] |
No | Description détaillée | Fabricant |
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