WT8045N24P1 查看數據表（PDF） - Unspecified

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WT8045N24P1

Synchronous Signal Discriminator and Power Saving Detector for Green Monitor

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WT8045

Synchronous Signal Discriminator and

Power Saving Detector for Green Monitor

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

Mono_Stable Circuit

WT8045 includes two sets of Mono_Stable Circuits, one uses H_SYNC as trigger signal, the

other uses either H_SYNC or V_SYNC as trigger signal (this only can be done on 32 pin

package, for 24 pin and 28 pin packages the trigger signal is fixed to H_SYNC); for N24p4

package, there is no mono-stable circuit. Please refer to the figure as below:

H-SYNC

T

QH

vcc

Rx/Cx QH-

V-SYNC

SELECT

SWITCH

T

Q

vcc

Rx/Cx Q-

SELECT=OPEN SELECT=L

QV

QH

The Mono_Stable Circuit is triggered by positive edge, no matter H_SYNC or V_SYNC is used

as trigger signal. Please refer to the timing chart as below:

Trigger Pulse

positive

negative

Q

Q-

The output of Mono_Stable Circuit is open drain structure, and can be pulled up to +12V

maximum.

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

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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