CLC011 National Semiconductor, CLC011 Datasheet

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CLC011

Manufacturer Part Number
CLC011
Description
Serial Digital Video Decoder
Manufacturer
National Semiconductor
Datasheet

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© 1999 National Semiconductor Corporation
CLC011
Serial Digital Video Decoder
General Description
National’s Comlinear CLC011, Serial Digital Video Decoder,
decodes and descrambles SMPTE 259M standard Serial
Digital Video datastreams with serial clock into 10-bit parallel
words and a corresponding word-rate clock. SMPTE 259M
standard parallel data is encoded and scrambled using a
9-bit shift register and is also converted from NRZ to NRZI.
The CLC011 restores the original parallel data by reversing
the encoding process. The CLC011 also extracts timing in-
formation embedded in the SDV data. These reserved code
words, known as Timing Reference Signals (TRS), indicate
the start and end of each active video line. By decoding the
TRS, the CLC011 correctly identifies the word boundaries of
the encoded input data. Detection of the TRS reserved
codes is indicated by low-true signals at the TRS and End of
Active Video (EAV) outputs.
The CLC011’s design using current-mode logic (CML) re-
duces noise injection into the power supply thereby easing
board layout and interfacing. The CMOS compatible outputs,
Block Diagram
DS100086
which feature controlled rise and fall times, may be set for ei-
ther 3.3V or 5V swings with the VDP and VCP inputs.
The CLC011 Serial Digital Video Decoder, CLC014 Adaptive
Cable Equalizer and the CLC016 Data Retiming PLL com-
bine to provide a complete Serial Digital Video receiver sys-
tem.
The CLC011 is packaged in a 28-pin PLCC.
Features
n Data decoding and deserializing
n CLC011B operates to 360Mbps
n CLC011A operates to 300Mbps
n Low noise injection to power supplies
n Single +5V or −5.2V supply operation
n Output levels programmable for interface to 5V or 3.3V
n Low power
n Low cost
logic
January 1999
www.national.com
DS100086-1

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CLC011 Summary of contents

Page 1

... NRZ to NRZI. The CLC011 restores the original parallel data by reversing the encoding process. The CLC011 also extracts timing in- formation embedded in the SDV data. These reserved code words, known as Timing Reference Signals (TRS), indicate the start and end of each active video line ...

Page 2

... PD0–9 17, Parallel data outputs. 19–25, 27, 28 VDP 18 Parallel data high level programming pin. The voltage at this supply pin defines the logic high level for the data outputs. www.national.com DS100086-2 28-Pin PLCC Order Number CLC011ACQ, or CLC011BCQ See NS Package Number V28A Description 2 ...

Page 3

... Supply Voltage (V CC Logic High Voltage 500V (V –V and 2kV Operating Temperature 85˚C/W Typ Conditions +25˚C 0 CLC011B 400 CLC011A pF,(Note 9) 2 pF,(Note 9) 4.0 L (Note 9) 50 ± (Note 9) 0.8 PCLK = 27 MHz, (Note 9) 18 PCLK = 27 MHz, (Note 9) 18 (Notes ...

Page 4

Electrical Characteristics Note 2: Min/Max ratings are based on product characterization and simulation. Individual parameters are tested as noted. Outgoing quality levels are determined from tested parameters. Note 3: Nominal position of rising edge of serial clock is at the ...

Page 5

... Applications assistance for the CLC011 may be obtained by calling the Interface Applications Hotline, (408) 721-8500. Input Interfacing — Signal Inputs The serial data and clock inputs of the CLC011 are both dif- ferential. Their input voltage ranges from 2.5V above the negative supply (V +2.5V) to the positive supply voltage ...

Page 6

... This design results in lower output switch- ing noise injection via the supply pins and into other circuitry. Even so recommended that the CLC011 and other digi- tal circuitry be separated from analog circuitry and cable equalizers. ...

Page 7

... TRS, then goes low. PCB Layout Guidelines The CLC011 is not as sensitive to PCB layout as some Serial Digital Video decoders. The following suggestions will help achieve and maintain optimum system performance. 1. Locate the CLC011 decoder away from equalizers and ...

Page 8

... Italiano National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. Order Number CLC011ACQ, or CLC011BCQ NS Package Number V28A 2. A critical component is any component of a life support ...

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