STV6434S ,FILTERED VIDEO BUFFERS FOR STB AND DVD DEVICESElectrical Characteristics ...6Chapter 3 Input/Output Groups . . . . . .10Chapter 4 Applicati ..
STV6435S ,FILTERED VIDEO BUFFERS FOR STB AND DVD DEVICESElectrical Characteristics ...6Chapter 3 Input/Output Groups . . . . . .10Chapter 4 Applicati ..
STV6435S ,FILTERED VIDEO BUFFERS FOR STB AND DVD DEVICESFEATURES■ Y, C, CVBS and RGB Inputs with 7 MHz Filters■ 6 dB Gains■ Capabilities of Integrated Outp ..
STV6435ST ,FILTERED VIDEO BUFFERS FOR STB AND DVD DEVICESapplications. After removing D/A conversion noises using integrated low pass filters, the STV6435 a ..
STV6437 ,Audio/video buffer and four-channel SD/PS/HD video filterFeatures BenefitsDC-coupled video inputs. Reduces component count.AC- and DC-coupled high-drive cap ..
STV6437BH ,Audio/video buffer for single SCART and HD outputFeatures BenefitsIntegrated switch from RGB/composite SCART Avoids change of output configuration f ..
T74LS05M1 ,HEX INVERTERHEX INVERTER
DESCRIPTION
The T54LS05/T74LS05 is a high speed HEX IN.
VERTER fabricated in LOW PO ..
T74LS166 , 8-Bit SHIFT REGISTER DESCRIPTION
T74LS260B1 , DUAL 5 INPUT NOR GATE
T74LS374 , Octal D-type flip-flop with 3-state outputs
T7503 , T7503 Dual PCM Codec with Filters
T77V1D10-12 , Potter & Brumfield
STV6434S
FILTERED VIDEO BUFFERS FOR STB AND DVD DEVICES
TARGET SPECIFICATION
STV6434Filtered Video Buffers for STB and DVD Devices
FEA TURES Y, C, CVBS Inputs with 7 MHz Filters Y, Pr, Pb Inputs with 14 MHz Filters6 dB Gains Capabilities of Integrated Output Buffers:
Single Load (150Ω) for Y/Pr/Pb signals
Double Load (75Ω) for Y, C and CVBS signals DC Coupled Outputs for CVBS and YPrPb
signals, DC or AC coupled output for Chroma
signal Bottom Clamp on Y and CVBS, Bias Clamp
on C, Sync Clamps on Pr and Pb Crosstalk: 55 dB (typ.) Separate Stand-by Modes on Y/C/CVBS and
on Y/Pr/Pb signals Switchable Y+C Adder for Decoders without
CVBS Outputs
DESCRIPTIONThe STV6434 is a filtered video output interface for
STB and DVD applications.
After removing D/A conversion noises using
integrated low pass filters, the STV6434 adapts in
amplitude and impedance the video signals coming
from the digital decoder for transmission, via 75Ω
adapted cables, to the TV set, VCR and auxiliary
devices.
The STV6434 is powered by a 5V supply.
The STV6434 is fully compatible with STi55xx
Digital Decoders.
The STV6434 is mounted in a SO24 package
(STV6434S) or in a DIP package (STV6434D).
STV6434
TABLE OF CONTENTS
Chapter 1 General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31.1 I/O Pin Description .............................................................................................................4
Chapter 2 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62.1 Absolute Maximum Ratings ................................................................................................6
2.2 Thermal Data ......................................................................................................................6
2.3 Electrical Characteristics ......................................................................................................6
Chapter 3 Input/Output Groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Chapter 4 Application Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Chapter 5 Package Mechanical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Chapter 6 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
STV6434 General Information General Information
Figure 1: STV6434S Pinout
Figure 2: STV6434D Pinout
General Information STV6434
1.1 I/O Pin Description
Table 1: Pin Description
STV6434 General Information
Figure 3: STV6434 Block Diagram
Electrical Characteristics STV6434 Electrical Characteristics
2.1 Absolute Maximum Ratings
2.2 Thermal Data
2.3 Electrical CharacteristicsTest conditions: T AMB= 25°C, VCC =5 V; V CCB =5V; R GENERATOR =75 Ω, R LOUT =75 Ω for
Y1OUT, CVBSOUT and COUT RLOUT =150 Ω for Y2OUT, PBOUT and PROUT, unless otherwise
specified.
STV6434 Electrical Characteristics
2.3.1 Video Section (Y1, Y2 and CVBS Signals)Test conditions: T AMB= 25°C, VCC =5 V; V CCB =5V; R GENERATOR =75 Ω, R LOUT =75 Ω for Y1
and CVBS outputs and R LOUT =150 Ω for Y2 output, unless otherwise specified.
Electrical Characteristics STV6434
2.3.2 Chroma SectionTest conditions: T AMB= 25°C, VCC =5 V; V CCB =5V; R GENERATOR =75 Ω and R LOUT =75Ω
unless otherwise specified.
STV6434 Electrical Characteristics
2.3.3 Pb/Pr SectionTest conditions: T AMB= 25°C, VCC =5 V; V CCB =5V; R GENERATOR =75 Ω and R LOUT =150 Ω,
unless otherwise specified.
2.3.4 Mute SectionTest conditions: TAMB= 25°C, VCC =5 V; VCCB =5V; RGENERATOR =75 Ω and RLOUT =75Ω
unless otherwise specified.
Note:1 When the MUTE pin is left open, its voltage is defined by an internal voltage divider performed by a
42 kΩ resistor to Vcc and 18 kΩ resistor to GND.
