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STLC5466 Arkusz danych(PDF) 11 Page - STMicroelectronics |
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STLC5466 Arkusz danych(HTML) 11 Page - STMicroelectronics |
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11 / 130 page ![]() 11/130 STLC5466 112 D11 I/O6_ft Data bit 11 for µP if not multiplexed 113 D12 I/O6_ft Data bit 12 for µP if not multiplexed 114 D13 I/O6_ft Data bit 13 for µP if not multiplexed 115 D14 I/O6_ft Data bit 14 for µP if not multiplexed 116 D15 I/O6_ft Data bit 15 for µP if not multiplexed MEMORY INTERFACE 119 TRI I3_ft Token Ring Input (for use Multi-HDLCs in cascade) 120 TRO O4_fnt Token Ring Output (for use Multi-HDLCs in cascade) 121 NWE O8T_fnt Write Enable for SDRAM 122 NRAS O8T_fnt Row Address Strobe for SDRAM 123 NCE0 O8T_fnt Chip Select 0 for SDRAM 124 LDQM O8T_fnt Lower Data inputs/outputs mask enable for SDRAM 125 NCE1 O8T_fnt Chip Select 1 for SDRAM 126 UDQM O8T_fnt Upper Data inputs/outputs mask enable for SDRAM 127 NCE2/ ADM12 O8T_fnt Chip Select 2 for SDRAM/ Address bit 12 for 8Mx8 SDRAM circuit 129 NCE3/ADM13 O8T_fnt Chip Select 3 for SDRAM/Address bit 13 for 8Mx8 SDRAM circuit 137 ADM0 O8T_fnt Address bit 0 for SDRAM 138 ADM1 O8T_fnt Address bit 1 for SDRAM 139 ADM2 O8T_fnt Address bit 2 for SDRAM 140 ADM3 O8T_fnt Address bit 3 for SDRAM 141 ADM4 O8T_fnt Address bit 4 for SDRAM 142 ADM5 O8T_fnt Address bit 5 for SDRAM 143 ADM6 O8T_fnt Address bit 6 for SDRAM 144 ADM7 O8T_fnt Address bit 7 for SDRAM 145 ADM8 O8T_fnt Address bit 8 for SDRAM 146 ADM9 O8T_fnt Address bit 9 for SDRAM 149 ADM10 O8T_fnt Address bit 10 for SDRAM 150 ADM11 O8T_fnt Address bit 11 for SDRAM 151 NCAS O8T_fnt Column Address Strobe for SDRAM 152 SCANM I5_ft Scan mode reserved for device test 154 DM0 I/O8_fnt SDRAM Data bit 0 155 DM1 I/O8_fnt SDRAM Data bit 1 156 DM2 I/O8_fnt SDRAM Data bit 2 157 DM3 I/O8_fnt SDRAM Data bit 3 158 DM4 I/O8_fnt SDRAM Data bit 4 161 DM5 I/O8_fnt SDRAM Data bit 5 Pin N° Symbol Type Function Type ft: five volts tolerant fnt: five volts not tolerant TTL I1_ft = Input TTL I2_ft = I1_ft+pull up I3_ft = I1_ft+hysteresis I4_ft = I3_ft+pull up TTL I/O6 _ft = Input TTL/ Output TTL 6 mA I5_ft = I3_ft+pull down; TTL O3 _ft = Output TTL 3 mA O3T_ft = O3_ft+Tristate O6_ft = Output TTL 6mA TTL O6D_ft = Output TTL 6mA, Open Drain O6DT_ft = Output TTL 6mA, Open Drain or Tristate CMOS I/O8_fnt = Input TTL, /Output CMOS 8mA; O8T_fnt = Output CMOS 8mA I/O8_fnt = Input TTL, /Output CMOS 8mA CMOS O4_fnt = Output CMOS 4mA |
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