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SN74AS109A Datasheet(PDF) 4 Page - Texas Instruments |
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SN74AS109A Datasheet(HTML) 4 Page - Texas Instruments |
4 / 9 page SN54ALS109A, SN54AS109A, SN74ALS109A, SN74AS109A DUAL J-K POSITIVE-EDGE-TRIGGERED FLIP-FLOPS WITH CLEAR AND PRESET SDAS198B – APRIL 1982 – REVISED AUGUST 1995 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 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: SN54AS109A – 55 °C to 125°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SN74AS109A 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 SN54AS109A SN74AS109A 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 0.8 0.8 V IOH High-level output current –2 –2 mA IOL Low-level output current 20 20 mA fclock* Clock frequency 0 90 0 105 MHz PRE or CLR low 4 4 tw* Pulse duration CLK high 4 4 ns CLK low 5.5 5.5 t * Set p time before CLK ↑ Data 5.5 5.5 ns tsu* Setup time before CLK ↑ PRE or CLR inactive 2 2 ns th* Hold time after CLK ↑ Data 0 0 ns TA Operating free-air temperature –55 125 0 70 °C * On products compliant to MIL-STD-883, Class B, this parameter is based on characterization data but is not production tested. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN54AS109A SN74AS109A UNIT PARAMETER TEST CONDITIONS MIN TYP‡ MAX MIN TYP‡ MAX UNIT VIK VCC = 4.5 V, II = –18 mA –1.2 –1.2 V VOH VCC = 4.5 V to 5.5 V, IOH = – 2 mA VCC –2 VCC –2 V VOL VCC = 4.5 V, IOL = 20 mA 0.25 0.5 0.25 0.5 V II VCC = 5.5 V, VI = 7 V 0.1 0.1 mA IIH CLK, J, or K VCC =5 5V VI =2 7V 20 20 µA IIH PRE or CLR VCC = 5.5 V, VI = 2.7 V 40 40 µA IIL CLK, J, or K VCC =5 5V VI =0 4V – 0.5 – 0.5 mA IIL PRE or CLR VCC = 5.5 V, VI = 0.4 V –1.8 –1.8 mA IO§ VCC = 5.5 V, VO = 2.25 V –30 –112 –30 –112 mA ICC VCC = 5.5 V, See Note 1 11.5 17 11.5 17 mA ‡ All typical values are at VCC = 5 V, TA = 25°C. § The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS. NOTE 1: ICC is measured with J, K, CLK, and PRE grounded, then with J, K, CLK, and CLR grounded. |
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