SAA5252T PDF даташит
Спецификация SAA5252T изготовлена «NXP Semiconductors» и имеет функцию, называемую «Line twenty-one acquisition and display LITOD». |
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Детали детали
Номер произв | SAA5252T |
Описание | Line twenty-one acquisition and display LITOD |
Производители | NXP Semiconductors |
логотип |
20 Pages
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INTEGRATED CIRCUITS
DATA SHEET
SAA5252
Line twenty-one acquisition and
display (LITOD)
Product specification
Supersedes data of March 1995
File under Integrated Circuits, IC02
1996 Jul 18
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Philips Semiconductors
Line twenty-one acquisition and display (LITOD)
Product specification
SAA5252
FEATURES
• Complete ‘stand-alone’ Line 21 decoder in one package
• On-chip display RAM allowing full page Text mode
• Enhanced character display modes
• Full colour captions
• RGB interface for standard colour decoder ICs
• Automatic handling of Field 2 data
• Automatic selection of (1H, 1V), (2H, 1V) or (2H, 2V)
scan modes
• Onboard OSD facility using Character generator
• RGB inputs to support existing OSD ICs
• I2C-bus or ‘stand-alone’ pin control
• Automatic data-ready signal generation on data
acquisition
• Can decode signals recorded on standard VHS and
S-VHS tape.
GENERAL DESCRIPTION
The SAA5252 (LITOD) is a single-chip CMOS device,
which will acquire, decode and display Line 21 Closed
Captioning data from a 525-line composite video signal.
Operation as an On-Screen Display (OSD) device is also
possible. Normal and line progressive scan modes are
supported.
QUICK REFERENCE DATA
SYMBOL
VDD
IDD
Vsyn
Vvid
Tamb
Tstg
PARAMETER
supply voltage
supply current
CVBS sync amplitude
CVBS video amplitude
operating ambient temperature
storage temperature
MIN.
4.5
−
0.1
0.7
−20
−55
TYP.
5.0
30
0.3
1.0
−
−
MAX.
5.5
−
0.6
1.4
+70
+125
UNIT
V
mA
V
V
°C
°C
ORDERING INFORMATION
TYPE
NUMBER
SAA5252P
SAA5252T
NAME
DIP24
SO24
PACKAGE
DESCRIPTION
plastic dual in-line package; 24 leads (600 mil)
plastic small outline package; 24 leads; body width 7.5 mm
VERSION
SOT101-1
SOT137-1
1996 Jul 18
2
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Philips Semiconductors
Line twenty-one acquisition and display (LITOD)
BLOCK DIAGRAM
Product specification
SAA5252
VSS V DD
19 18
21
OSCIN
22
OSCGND
OSCILLATOR
OSCOUT 20
SAA5252
VH
78
DISPLAY
TIMING
CHARACTER
ROM
CODE
INTERPRETER
AND
ADDRESSING
BLACK
IREF
23
24
SYNC SEPARATOR
AND
ACQUISITION TIMING
CVBS
1
ADC
DATA
DETECTOR
CHARACTER
GENERATOR
ADDRESSING
PAGE
RAM
SERIAL/
PARALLEL
AND
PARITY
i.c.
6
ROUNDING
ITALICS
AND
RGB
MULTIPLEXOR
I2C
INTERFACE
17 RGBREF
16 BLAN
15 R
14
G
13 B
9
BLANIN
10
RIN
11
GIN
12
BIN
5
DR
3
SDA
4
SCL
CONTROL
2
I 2 C/DC
MBB623 - 1
Fig.1 Block diagram.
1996 Jul 18
3
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Номер в каталоге | Описание | Производители |
SAA5252 | Line twenty-one acquisition and display LITOD | NXP Semiconductors |
SAA5252P | Line twenty-one acquisition and display LITOD | NXP Semiconductors |
SAA5252T | Line twenty-one acquisition and display LITOD | NXP Semiconductors |
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