TA1276AN View Datasheet(PDF) - Toshiba

Part Name

Description

Manufacturer

TA1276AN

PAL / NTSC VIDEO CHROMA AND DEFLECTION IC FOR CTV (NORMAL SCAN / DOUBLE SCAN MODE)

Toshiba 

PIN

No.

PIN NAME

FUNCTION

18

SYNC.

output

Output the synchronizing signal

that was separated in the

synchronous separation circuit.

This pin is of the open collector

system. Connect the pull-up

resistor.

19 DEF GND The GND pin of DEF block.

20 AFC filter

Connect the filter for horizontal

AFC.

The frequency of the horizontal

output varies depending on the

voltage at this pin.

INTERFACE CIRCUIT

―

TA1276AN

INPUT /

OUTPUT

SIGNAL

―

DC

21 32fH VCO

Connect the ceramic oscillator for

horizontal oscillation.

The oscillator to be used is

CSBLA503KECZF30, made by

Murata electronics.

22

DEF VCC

(9V)

The VCC of DEF block.

Connect 9V (Typ.) to this pin.

―

―

Produces the horizontal output.

Horizontal Connecting the DEF VCC to this

23 output

pin can swich Double Scan mode.

(Mode SW) In this case, the horizontal output is

not produced.

HIGH: 3.2V

LOW: 0.2V

7

2002-03-29

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