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STV5346

STV5346/H - STV5346/T

MONOCHIP TELETEXT DECODER

WITH 8 INTEGRATED PAGES

.

.

.

.

.

.

.

.

.

COMPLETE TELETEXT DECODER INCLUD-

ING AN 8 PAGE MEMORY ON A SINGLE

CHIP

UPWARD SOFTWARE COMPATIBLE WITH

PREVIOUS SGS-THOMSON鈥檚 MULTICHIP

SOLUTIONS (SAA5231, SDA5243, STV5345)

SINGLE +5V SUPPLY VOLTAGE

SINGLE 13.875MHz CRYSTAL

REDUCED SET OF EXTERNAL COMPO-

NENTS, NO EXTERNAL ADJUSTMENT

OPTIMIZED NUMBER OF DIGITAL SIGNALS

REDUCING EMC RADIATION

HIGH DENSITY CMOS TECHNOLOGY

DIGITAL DATA SLICER AND DISPLAY CLOCK

PHASE LOCK LOOP

28 PIN DIP & SO PACKAGE

DIP28

(Plastic Package)

ORDER CODE :

STV5346 West European

STV5346/H East European

STV5346/T Turkish & European

SO28

(Plastic Package)

ORDER CODE :

STV5346D West European

STV5346D/H East European

STV5346D/T Turkish & European

PIN CONNECTIONS

CVBS

MA/SL

V

DDA

POL

1

2

3

4

5

6

7

8

9

10

11

12

13

14

28

27

26

25

24

23

22

21

20

19

18

17

16

15

CBLK

TEST

V

SSA

V

SSO

XTI

XTO

V

DDD

VCR/TV

RESERVED

RESERVED

RESERVED

SDA

5346-01.EPS

DESCRIPTION

The STV5346 decoder is a computer-controlled

teletext device including an 8 page internal mem-

ory. Data slicing and capturing extracts the teletext

information embedded in the composite video sig-

nal. Control is accomplished via a two wire serial

I

2

C bus

廬.

Internal ROM provides a character set

suitable to display text using up to seven national

languages. Different ROM versions will support

several national character sets. Hardware and soft-

ware features allow selectable master/slave syn-

chronization configurations. The STV5346 also

supports facilities for reception and display of cur-

rent level protocol data.

November 1995

STTV/LFB

FFB

V

SSD

R

G

B

RGB REF

BLAN

COR

ODD/EVEN

SCL

Y

1/21

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