TEA5040 datasheet(1/12 Pages) STMICROELECTRONICS

Part #	TEA5040

Description	WIDE BAND VIDEO PROCESSOR

PDF	12 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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TEA5040

WIDE BAND VIDEO PROCESSOR

April 1993

DIP40

(Plastic Package)

ORDER CODE : TEA5040

.

DIGITAL

CONTROL

OF

BRIGHTNESS,

SATURATION AND CONTRAST ON TV SIG-

NALS AND R, G, B INTERNAL OR EXTER-

NAL SOURCES

.

BUS DRIVE OF SWITCHING FUNCTIONS

.

DEMATRIXING OF R, G, B SIGNALS FROM

Y, R-Y, B-Y, TV MODE INPUTS

.

MATRIXING OF R, G, B SOURCES INTO

Y, R-Y, B-Y SIGNALS

.

AUTOMATIC DRIVE AND CUT-OFF CON-

TROLS BY DIGITAL PROCESSING DURING

FRAME RETRACE

.

PEAK AND AVERAGE BEAM CURRENT LIMI-

TATION

.

ON-CHIP SWITCHING FOR R, G, B INPUT

SELECTION

.

ON-CHIP INSERTION OF INTERNAL OR EX-

TERNAL R, G, B SOURCES

1

2

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R INTERNAL INPUT

R EXTERNAL INPUT

G INTERNAL INPUT

G EXTERNAL INPUT

B INTERNAL INPUT

B EXTERNAL INPUT

FB EXTERNA L INPUT

FB INTERN AL INPUT

B-Y INPUT

R-Y INPUT

Y INPUT

CLOCK

DATA

ENABLE

VOLTAG E REFERENCE

R CLAMP MEMORY

G CLAMP MEMORY

B CLAMP MEMORY

GROUN D

V

CC

SWITCHABLE VIDEO OUTPUT

SYNCHR O INPUT

INTERNA L VIDEO OUTPUT

INTERNA L VIDEO INPUT

AVERAGE BEAM LIMIT. REF

LEAKAGE CURRENT FILTER

CATHODE CURRENT INPUT

SWITCH CUT-OFF RESISTANCE

AVERAGE BEAMCURRENT FILTER

EXTERNAL VIDEO INPUT

SUPER SANDCASTLE INPUT

B OUTPUT

R OUTPUT

G OUTPUT

CUT-OFF MEMORY (R CHANNEL)

DRIVE MEMORY (R CHANNEL)

CUT-OFF MEMORY (B CHANNEL)

DRIVE MEMORY (B CHANNEL)

CUT-OFF MEMORY (G CHANNEL)

DRIVE MEMORY (G CHANNEL)

PIN CONNECTIONS

DESCRIPTION

The TEA5040 is a serial bus-controlled videoproc-

essing device which integrates a complex architec-

ture fulfilling multiple functions.

1/12

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