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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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DP83256 датащи(PDF) 110 Page - Texas Instruments |
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DP83256 датащи(HTML) 110 Page - Texas Instruments |
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110 / 146 page  60 Signal Descriptions (Continued) POWER AND GROUND All power pins should be connected to a single a5V power supply using the recommended filtering All ground pins should be connected to a common 0V ground supply Bypassing and filtering requirements are given in a separate User Information Document Symbol Pin IO Description VCC ANALOG 32 Power Positive 5V power supply for the PLAYERa device’s CGM VCO GND ANALOG 33 Ground Power supply return for the PLAYERa device’s CGM VCO VCC CORE 140 Power Positive 5V power supply for the core PLAYER logic gates GND CORE 139 Ground Power supply return for the core PLAYER logic gates VCC ECL 52 57 Power Positive 5V power supply for the PLAYERa device’s ECL logic gates 71 89 GND ECL 58 72 Ground Power supply return for the PLAYERa device’s ECL logic gates 88 VCC ESD 47 Power Positive 5V power supply for the PLAYERa device’s ESD protection circuitry GND ESD 48 Ground Power supply return for the PLAYERa device’s ESD protection circuitry VCC IO 16 105 Power Positive 5V power supply for the inputoutput buffers 131 158 GND IO 17 104 Ground Power supply return for the inputoutput buffers 130 157 SPECIAL CONNECT PINS These are pins that have special connection requirements No Connect (NC) pins should not be connected to anything This means not to power not to ground and not to each other Reserved 0 (RES 0) pins must be connected to ground These pins are not used to supply device power so they do not need to be filtered or bypassed Reserved 1 (RES 1) pins must be connected to power These pins are not used to supply device power so they do not need to be filtered or bypassed Symbol Pin IO Description NC 38 39 No Connect Pins should not be connected to anything This means not to power not to ground and not to each other 40 41 42 43 44 79 80 81 87 121 122 123 124 125 126 127 149 150 151 152 153154 155 156 RES 0 28 29 Reserved 0 Pins must be connected to ground These pins are not used to supply device power so they do not need to be filtered or bypassed 30 31 84 85 86 90 91 92 93 136 RES 1 137 Reserved 1 Pins must be connected to power These pins are not used to supply device power so they do not need to be filtered or bypassed 109 |
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