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SN74AS841ADWR Datasheet(PDF) 6 Page - Texas Instruments |
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SN74AS841ADWR Datasheet(HTML) 6 Page - Texas Instruments |
6 / 13 page SN74ALS841, SN74AS841A, SN74ALS842 10-BIT BUS-INTERFACE D-TYPE LATCHES WITH 3-STATE OUTPUTS SDAS059C – DECEMBER 1983 – REVISED JANUARY 1995 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions SN74AS841A UNIT 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 –24 mA IOL Low-level output current 48 mA tw Pulse duration, LE high 4 ns tsu Setup time, data before LE ↓ 2.5 ns th Hold time, data after LE ↓ 2.5 ns TA Operating free-air temperature 0 70 °C electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN74AS841A UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VIK VCC = 4.5 V, II = – 18 mA – 1.2 V VCC = 4.5 V to 5.5 V, IOH = – 2 mA VCC –2 VOH VCC =4 5V IOH = – 15 mA 2.4 3.2 V VCC = 4.5 V IOH = – 24 mA 2 VOL VCC = 4.5 V, IOL = 48 mA 0.35 0.5 V IOZH VCC = 5.5 V, VO = 2.7 V 50 µA IOZL VCC = 5.5 V, VO = 0.4 V –50 µA II VCC = 5.5 V, VI = 7 V 0.1 mA IIH VCC = 5.5 V, VI = 2.7 V 20 µA IIL VCC = 5.5 V, VI = 0.4 V – 0.5 mA IO‡ VCC = 5.5 V, VO = 2.25 V –30 –112 mA Outputs high 36 60 ICC VCC = 5.5 V Outputs low 58 94 mA Outputs disabled 56 93 † 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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