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SN74HC174DT Arkusz danych(PDF) 2 Page - Texas Instruments |
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SN74HC174DT Arkusz danych(HTML) 2 Page - Texas Instruments |
2 / 21 page SN54HC174, SN74HC174 HEX DTYPE FLIPFLOPS WITH CLEAR SCLS119D − DECEMBER 1982 − REVISED SEPTEMBER 2003 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 FUNCTION TABLE (each flip-flop) INPUTS OUTPUT CLR CLK D OUTPUT Q L X X L H ↑ HH H ↑ LL H L X Q0 logic diagram (positive logic) 1D C1 R To Five Other Channels 1 9 3 2 CLR CLK 1D 1Q Pin numbers shown are for the D, DB, J, N, NS, PW, and W packages. absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage range, VCC −0.5 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input clamp current, IIK (VI < 0 or VI > VCC) (see Note 1) ±20 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output clamp current, IOK (VO < 0 or VO > VCC) (see Note 1) ±20 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous output current, IO (VO = 0 to VCC) ±25 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous current through VCC or GND ±50 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Package thermal impedance, θJA (see Note 2): D package 73 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DB package 82 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N package 67 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NS package 64 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PW package 108 °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. NOTES: 1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed. 2. The package thermal impedance is calculated in accordance with JESD 51-7. |
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