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LC7574NE 数据表(PDF) 7 Page - Sanyo Semicon Device |
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LC7574NE 数据表(HTML) 7 Page - Sanyo Semicon Device |
7 / 10 page BLK and the Display Control Since the LSI internal data (SD1 to SD74 and the control data) is undefined when power is first applied, the display is off (G1 and G2 = low) by setting the BLK pin low at the same time as power is applied. Then, meaningless display at power on can be prevented by transferring all 92 bits of serial data from the controller while the display is off and setting BLK pin high after the transfer completes. (See Figure 3.) Power Supply Sequence The following sequences must be observed when power is turned on and off. (See Figure 3) • Power on: Logic block power supply (VDD) on → Driver block power supply (VFL) on • Power off: Driver block power supply (VFL) off → Logic block power supply (VDD) off Figure 3 Output Waveforms (S1 to S37) No. 3586-7/10 LC7574NE, 7574NW |
类似零件编号 - LC7574NE |
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类似说明 - LC7574NE |
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