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SN74AS195 Datasheet(PDF) 5 Page - Texas Instruments |
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SN74AS195 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 8 page SDAS138B – DECEMBER 1983 – REVISED JANUARY 1995 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions MIN NOM MAX UNIT VCC Supply voltage 4.5 5 5.5 V VIH High-level input voltage 2 V VIL Low-level input voltage 0.8 V IOH High-level output current –2 mA IOL Low-level output current 20 mA fclock Clock frequency 0 70 MHz t Pulse duration CLK high 4 ns tw Pulse duration CLR low 7.2 ns Data before CLK ↑ 3.5 tsu Setup time SH/LD before CLK ↑ 8 ns CLR high before CLK ↑ 6 th Hold time Data after CLK ↑ 1 ns th Hold time SH/LD after CLK ↑ 0 ns TA Operating free-air temperature 0 70 °C electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VIK VCC = 4.5 V, II = – 18 mA – 1.2 V VOH VCC = 4.5 V to 5.5 V, IOH = – 2 mA VCC –2 V VOL VCC = 4.5 V, IOL = 20 mA 0.35 0.5 V II SH/LD VCC =5 5V VI =7V 0.2 mA II All others VCC = 5.5 V, VI = 7 V 0.1 mA IIH SH/LD VCC =5 5V VI =2 7V 40 µA IIH All others VCC = 5.5 V, VI = 2.7 V 20 µA IIL SH/LD VCC =5 5V VI =0 4V –1 mA IIL All others VCC = 5.5 V, VI = 0.4 V – 0.5 mA IO‡ VCC = 5.5 V, VO = 2.25 V –30 –112 mA ICCH VCC = 5.5 V 32 51 mA ICCL VCC = 5.5 V 36 57 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. |
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