WT8046N24P1 Просмотр технического описания (PDF) - Weltrend Semiconductor

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WT8046N24P1

Synchronous Signal Discriminator with Power Saving Detector and Test Pattern for Green Monitor

Weltrend Semiconductor 

WT8046

Synchronous Signal Discriminator with Power Saving

Detector and Test Pattern for Green Monitor



Horizontal Frequency Discriminator

There are horizontal frequency discriminator pins on different type package: 33k, 36.2k (for

N24P4 package); 33k, 36.2k, 43.5k (for 24 pin); 33k, 36.2k, 43.5k, 52k (for 28 pin); please

refer to table 5 for the logical truth table of these pins. These frequency discriminator pins output

can be used for CS Capacitor Control directly as well as other application.

Signa

l

Hsync

Hs<33k

36k>Hs>33k

43.5k>Hs>36k

52k>Hs>43.5k

60k>Hs>52k

F33k

1

0

0

0

0

F36k

1

1

0

0

0

F43.5k

1

1

1

0

0

F52k

1

1

1

1

0

Table 5: Truth table of Frequency discriminator

Mute function Timing Diagram

F60k

1

1

1

1

1



Weltrend Semiconductor, Inc.

2F., No. 24, Industry E. 9th Rd.

Science-Based Industrial Park

Hsin-Chu, Taiwan, R.O.C.

Tel: 886-35-780241

Fax: 886-35-770419

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