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SN74AS1843NT Folha de dados(PDF) 3 Page - Texas Instruments |
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SN74AS1843NT Folha de dados(HTML) 3 Page - Texas Instruments |
3 / 5 page tw Pulse duration, enable C high ns tr Recovery time ns VOL V SN74AS1843 9BIT BUS INTERFACE DTYPE LATCHES WITH 3STATE OUTPUTS SDAS127 − APRIL 1987 3 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 −24 mA IOL Low-level output current 48 mA CLR or PRE low 4 C high 4 tsu Setup time, data before enable C ↓ 2.5 ns th Hold time, data after enable C ↓ 2.5 ns PRE 15 CLR 14 TA Operating free-air temperature 0 70 °C electrical characteristics over full ranges of recommended operating conditions (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VIK VCC = 4.5 V, II = − 18 mA − 1.2 V VCC = 4.5 V, IOH = − 2 mA VCC −2 VOH VCC = 4.5 V, IOH = − 15 mA 2.4 3.2 V VCC = 4.5 V, IOH = − 24 mA 2 VCC = 4.5 V, IOL = 32 mA VCC = 4.5 V, IOL = 48 mA 0.35 0.5 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 − .05 mA IO‡ VCC = 5.5 V, VO = 2.25 V −30 −112 mA Output high 37 62 ICC VCC = 5.5 V, Output low 56 92 mA Outputs disabled 56 92 † 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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Descrição semelhante - SN74AS1843NT |
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