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LAN91C94 датащи(PDF) 14 Page - SMSC Corporation |
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LAN91C94 датащи(HTML) 14 Page - SMSC Corporation |
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14 / 120 page ![]() 14 PIN NUMBER QFP VTQFP/ TQFP NAME SYMBOL BUFFER TYPE DESCRIPTION 92 90 nExternal Endec nXENDEC I with pullup When tied low, the LAN91C94 is configured for EXTERNAL ENDEC. When tied high or left open, the LAN91C94 uses its internal encoder/decoder 13,21 40,50 61,100 11,19 48,59 98,38 VDD +5V power supply pins 73,81 91 71,79 89 Analog Power AVDD +5V analog power supply pins 2,8 18,24 31,56,6 6,94 100,6 16,22, 29,54, 64,92 Ground GND Ground pins 80,88 89 78,86 87 Analog Ground AGND Analog ground pins BUFFER SYMBOLS O4 Output buffer with 2mA source and 4mA sink. O162 Output buffer with 2mA source and 16mA sink. O24 Output buffer with 12mA source and 24mA sink. OD16 Open drain buffer with 16mA sink. OD24 Open drain buffer with 24mA sink. I/O24 Bidirectional buffer with 12mA source and 24mA sink. I Input buffer with TTL levels IS Input buffer with Schmitt Trigger Hysteresis Iclk Clock input buffer DC levels and conditions defined in the DC Electrical Characteristics section. |
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