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SN74AS756DWRE4 Folha de dados(PDF) 3 Page - Texas Instruments |
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SN74AS756DWRE4 Folha de dados(HTML) 3 Page - Texas Instruments |
3 / 17 page SN54AS756, SN74AS756, SN74AS757 OCTAL BUFFERS AND LINE DRIVERS WITH OPEN-COLLECTOR OUTPUTS SDAS040B – DECEMBER 1983 – REVISED JANUARY 1995 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions SN54AS756 SN74AS756 SN74AS757 UNIT MIN NOM MAX MIN NOM MAX 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 VOH High-level output voltage 5.5 5.5 V IOL Low-level output current 48 64 mA TA Operating free-air temperature –55 125 0 70 °C electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN54AS756 SN74AS756 SN74AS757 UNIT MIN TYP† MAX MIN TYP† MAX VIK VCC = 4.5 V, II = – 18 mA – 1.2 – 1.2 V IOH VCC = 4.5 V, VOH = 5.5 V 0.1 0.1 mA VOL VCC =4 5V IOL = 48 mA 0.55 V VOL VCC = 4.5 V IOL = 64 mA 0.55 V II VCC = 5.5 V, VI = 7 V 0.1 0.1 mA IIH VCC = 5.5 V, VI = 2.7 V 20 20 µA IIL A inputs of SN74AS757 only VCC = 5.5 V, VI = 0.4 V –1 –1 mA IL All other inputs CC , I – 0.5 – 0.5 ′AS756 VCC =5 5V Outputs high 9 15 9 15 ICC ′AS756 VCC = 5.5 V Outputs low 51 80 51 80 mA ICC SN74AS757 VCC =5 5V Outputs high 21 33 21 33 mA SN74AS757 VCC = 5.5 V Outputs low 61 95 61 95 † All typical values are at VCC = 5 V, TA = 25°C. |
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