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CXA1785AR 数据表(PDF) 8 Page - Sony Corporation |
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CXA1785AR 数据表(HTML) 8 Page - Sony Corporation |
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8 / 29 page  —8— CXA1785AR High level input when synchro- nized; low level at all other times. The rising edge of the input pulse must precede the falling edge of the SYNC OUT pulse. For PAL, the internal flip flop switches at the rising edge of the input pulse. Outputs the sync signal separated by the sync separation circuit. High level when synchronized and at low level in all other cases. This pin is of an open collector output. The high level for the output should be VEE + 15 V or less. Sync separation circuit input. Input the H FILTER output signal. External digital signal input. There are two threshold values: VTH1 (approximately 1.2 V) and VTH2 (approx- imately 2.2 V). When one of the RGB signals exceeds VTH1, all of the RGB outputs go to black level; when an input exceeds VTH2, only the corresponding output goes to white level. Adjusts RGB output contrast. GND VCC1 VEE 36 GND Vcc1 VEE 37 GND VCC1 VEE 38 GND VCC1 VEE 39 40 41 GND VCC1 VEE 42 36 SYNC IN 37 SYNC OUT 38 SYNC SEP 1.8V 39 EXT B IN 40 EXT G IN 41 EXT R IN 42 CONTRAST Pin No. Symbol Pin voltage Equivalent circuit Description |
类似零件编号 - CXA1785AR |
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类似说明 - CXA1785AR |
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