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SN74ALS109AN3 Scheda tecnica(PDF) 2 Page - Texas Instruments |
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SN74ALS109AN3 Scheda tecnica(HTML) 2 Page - Texas Instruments |
2 / 19 page SN54ALS109A, SN54AS109A, SN74ALS109A, SN74AS109A DUAL JK POSITIVEEDGETRIGGERED FLIPFLOPS WITH CLEAR AND PRESET SDAS198B − APRIL 1982 − REVISED AUGUST 1995 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 logic symbol† S 5 1J 2 1J 4 1CLK 1K 3 1Q 6 7 C1 11 14 2J 12 2CLK 13 2Q 10 9 1PRE 2PRE 1CLR 2K 1Q 2Q R 1 1K 15 2CLR † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. Pin numbers shown are for the D, J, and N packages. absolute maximum ratings over operating free-air temperature range (unless otherwise noted)‡ Supply voltage, VCC 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage, VI 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating free-air temperature range, TA: SN54ALS109A −55 °C to 125°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . SN74ALS109A 0 °C to 70°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range −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. recommended operating conditions SN54ALS109A SN74ALS109A UNIT MIN NOM MAX MIN NOM MAX UNIT 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 0.7 0.8 V IOH High-level output current − 0.4 − 0.4 mA IOL Low-level output current 4 8 mA fclock Clock frequency 0 30 0 34 MHz PRE or CLR low 15 15 tw Pulse duration CLK high 16.5 14.5 ns tw Pulse duration CLK low 16.5 14.5 ns tsu Setup time before CLK ↑ Data 15 15 ns tsu Setup time before CLK ↑ PRE or CLR inactive 10 10 ns th Hold time after CLK ↑ Data 0 0 ns TA Operating free-air temperature −55 125 0 70 °C |
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