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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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DP83255AVF 数据表(PDF) 76 Page - National Semiconductor (TI) |
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DP83255AVF 数据表(HTML) 76 Page - National Semiconductor (TI) |
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76 / 96 page  60 Pin Descriptions (Continued) POWER AND GROUND All power pins should be connected to a single 5V power supply All ground pins should be connected to a common 0V ground supply Symbol Pin No IO Description GND 1 Ground Power supply return for internal CMOS logic GND 4 Ground Power supply return for Control Bus Interface CMOS IOs VCC 7 Power Positive 5V power supply (g5% relative to ground) for Control Bus Interface CMOS IOs GND 20 Ground Power supply return for internal CMOS logic GND 32 Ground Power supply return for Port A Interface CMOS IOs VCC 35 Power Positive 5V power supply (g5% relative to ground) for the Port A Interface CMOS IOs GND 38 Ground Power supply return for internal CMOS logic VCC 62 Power Positive 5V power supply (g5% relative to ground) for internal ECL logic GND 65 Ground Power supply return for internal ECL logic VCC 68 Power Positive 5V power supply (g5% relative to ground) for the Serial Interface ECL I Os GND 71 Ground Power supply return for internal ECL logic VCC 74 Power Positive 5V power supply (g5% relative to ground) for internal ECL logic GND 96 Ground Power supply return for internal CMOS logic VCC 99 Power Positive 5V power supply (g5% relative to ground) for Port B Interface CMOS I Os GND 102 Ground Power supply return for Port B Interface CMOS IOs VCC 129 Power 5V power supply (g5% relative to ground) for internal CMOS logic GND 132 Ground Power supply return for internal CMOS logic 76 |
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