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SAA5246A PDF даташит

Спецификация SAA5246A изготовлена ​​​​«Philips» и имеет функцию, называемую «Integrated VIP and Teletext IVT1.0».

Детали детали

Номер произв SAA5246A
Описание Integrated VIP and Teletext IVT1.0
Производители Philips
логотип Philips логотип 

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SAA5246A Даташит, Описание, Даташиты
INTEGRATED CIRCUITS
DATA SHEET
SAA5246A
Integrated VIP and Teletext
(IVT1.0)
Product specification
Supersedes data of August 1992
File under Integrated Circuits, IC02
January 1993









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SAA5246A Даташит, Описание, Даташиты
Philips Semiconductors
Integrated VIP and Teletext (IVT1.0)
Product specification
SAA5246A
FEATURES
Complete Teletext decoder in a 48-pin DIL or 64-pin
QFP, integrated circuit
Single +5 V power supply
Both video and scan related synchronization modes are
supported
RGB interface to standard colour decoder ICs, push-pull
output drive
Digital data slicer and display clock phase-locked loop
reduce peripheral components to a minimum
Data capture performance similar to SAA5231 (VIP2)
Option for up to seven national languages
Optional storage of packet 24 in the display memory
Separate text and video signal quality detectors,
625/525 video status and language version all readable
via I2C-bus
Automatic ODD/EVEN output control with override
Control of display PLL free-run and rolling header via
I2C-bus
VCS to SCS mode for stable 525 line status display.
DESCRIPTION
The SAA5246A is a single-chip teletext decoder IC for
decoding 625 line base World System Teletext
transmissions. The teletext decoder hardware is based on
the Enhanced Computer Controlled ECCT device
(SAA5243) with some additional features.
The Video Input Processor section of the device uses
mixed analog and digital designs in the data slicer and
clock phase-locked-loop functions. As a result the number
of external components are greatly reduced and no critical
or adjustable components are required.
QUICK REFERENCE DATA
SYMBOL
VDD
IDD
Vsyn
Vvid
fXTAL
Tamb
PARAMETER
positive supply voltage
supply current
sync amplitude
video amplitude
crystal frequency
operating ambient temperature
MIN.
4.5
0.1
0.7
20
TYP.
5.0
64
0.3
1.0
27
MAX.
5.5
128
0.6
1.4
+70
UNIT
V
mA
V
V
MHz
°C
ORDERING INFORMATION
EXTENDED TYPE
NUMBER
SAA5246AP
SAA5246AGP
PINS
48
64
Notes
1. SOT240-1; 1996 November 22.
2. SOT319-3; 1996 November 22.
PIN POSITION
DIL
QFP
PACKAGE
MATERIAL
plastic
plastic
CODE
SOT240AC3(1)
SOT319DA3(2)
January 1993
2









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SAA5246A Даташит, Описание, Даташиты
Philips Semiconductors
Integrated VIP and Teletext (IVT1.0)
Product specification
SAA5246A
handbook, full pagewidth
Y BLAN COR RGBREF RGB ODD / EVEN
22 19 20 18 15-17 21
DISPLAY
DATA
SLICER
AND
CLOCK
REGENERATOR
TELETEXT
ACQUISITION
AND
DECODING
DCVBS
ANALOG
TO
DIGITAL
CONVERTER
TIMING
CHAIN
48
47
MEMORY 34-
INTERFACE 46
WE
OE
A0 - A12
D0 - D7
26-
33
I2 C-BUS
INTERFACE
24
23
SDA
SCL
SAA5246A
1, 6,
10
25
5,
14
VDD
VSS
CVBS
OSCOUT
OSCIN
2
3
CRYSTAL
OSCILLATOR
4
OSCGND
INPUT
CLAMP
AND SYNC
SEPARATOR
DISPLAY
CLOCK
PHASE
LOCKED
LOOP
798
11 13
12
MLA840
BLACK IREF CVBS POL VCR / FFB STTV / LFB
January 1993
Fig.1 Block diagram for SOT240 (DIL48) package.
3










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Номер в каталогеОписаниеПроизводители
SAA5246Integrated VIP and Teletext IVT1.0Philips
Philips
SAA5246Integrated VIP and Teletext IVT1.0Philips
Philips
SAA5246AIntegrated VIP and Teletext IVT1.0Philips
Philips

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