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SN54ALS174 数据表(PDF) 3 Page - Texas Instruments |
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SN54ALS174 数据表(HTML) 3 Page - Texas Instruments |
3 / 17 page SN54ALS174, SN54ALS175, SN54AS174, SN54AS175B SN74ALS174, SN74ALS175, SN74AS174, SN74AS175B HEX/QUADRUPLE D-TYPE FLIP-FLOPS WITH CLEAR SDAS207E - APRIL 1982 - REVISED MAY 2002 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 logic diagrams (positive logic) 1D C1 R To Five Other Channels 1 9 3 2 CLR CLK 1D 1Q 1Q 1 9 C1 1D CLK CLR 1D R 1Q To Three Other Channels 4 2 3 ’ALS174, ’AS174 ’ALS175, ’AS175B Pin numbers shown are for the D, J, N, NS, and W packages. absolute maximum ratings over operating free-air temperature range, SN54/74ALS174, SN54/74ALS175 (unless otherwise noted)† Supply voltage, VCC 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage, VI 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Package thermal impedance, θJA (see Note 1): D package 73 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N package 67 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NS package 64 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range, Tstg –65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTE 1: The package thermal impedance is calculated in accordance with JESD 51-7. recommended operating conditions (see Note 2) SN54ALS174 SN54ALS175 SN74ALS174 SN74ALS175 UNIT MIN NOM MAX MIN NOM MAX VCC Supply voltage 4.5 5 5.5 4.5 5 5.5 V VIH High-level input voltage 2 2 V VIL Low-level input voltage 0.8 0.8 V IOH High-level output current –0.4 –0.4 mA IOL Low-level output current 4 8 mA TA Operating free-air temperature –55 125 0 70 °C NOTE 2: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004. |
类似零件编号 - SN54ALS174 |
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类似说明 - SN54ALS174 |
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