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TA1318AFG

SYNC Processor, Frequency Counter IC for TV Component Signals

Toshiba 

Pin

No.

Pin Name

Function

12 DAC2 (H/C. SYNC output)

DAC2 output pin.

In Test mode, it outputs HD or

composite sync signal to

frequency counter.

To improve the driving ability, it

is possible to connect a

resister (minimum: 2 kΩ)

between this pin and GND.

However, when the resister is

added, the output DC voltage

is down.

13 VD3-IN

Input vertical sync signal.

It accepts input of both positive

and negative polarity.

14 HD3-IN

Input horizontal sync signal.

It accepts input of both positive

and negative polarity.

Interface Circuit

11

200 Ω

12

18

11

1 kΩ

13

1 kΩ

14

5

11

5

6

TA1318AFG

Input Signal/Output Signal

DC

or

H/C SYNC

7V

0V

Th: 0.7 V

or

Th: 0.7 V

Th: 0.7 V

or

Th: 0.7 V

2006-02-27

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